Infrastructure Engineer An established financial services organisation is looking to appoint a Senior IT Infrastructure Engineer to play a key role in maintaining and developing its enterprise technology estate. This position combines hands-on technical engineering with infrastructure ownership, supporting business-critical platforms used across the organisation. Working within a highly regulated environment, you'll be responsible for the reliability, security and ongoing enhancement of server infrastructure, virtualisation, networking, endpoint technologies and core business applications. You'll also contribute to infrastructure projects, mentor colleagues and help shape future technology improvements. What You'll Be Doing As a senior member of the infrastructure team, you'll take ownership of day-to-day operations across the organisation's core technology platforms while supporting wider transformation initiatives. Your responsibilities will include: Managing Windows Server and Linux environments to ensure high availability and operational stability. Supporting and optimising VMware virtual infrastructure across production environments. Maintaining enterprise backup, recovery and disaster recovery capabilities using industry-leading technologies. Monitoring infrastructure performance and proactively resolving capacity, availability and resilience issues. Administering Microsoft 365 services and supporting hybrid infrastructure technologies. Managing Active Directory, Group Policy, identity administration and user access management. Supporting desktop operating systems, laptops, mobile devices and collaboration technologies across multiple office locations. Maintaining endpoint security controls, encryption technologies and vulnerability remediation processes. Working closely with cyber security teams to strengthen infrastructure security and reduce operational risk. Supporting enterprise patch management and software deployment across server and desktop environments. Troubleshooting complex infrastructure, networking and systems issues while acting as a senior technical escalation point. Contributing to infrastructure upgrades, technology refresh programmes and strategic improvement projects. Producing technical documentation, operational procedures and infrastructure standards. Working alongside third-party suppliers and internal stakeholders to deliver stable, secure technology services. Enterprise Systems The environment includes a range of specialist financial platforms supporting treasury operations, payments, market data, secure financial messaging, compliance and business operations. Previous experience supporting financial services applications within regulated organisations would be highly advantageous. Networking & Security You'll provide administration and support across the organisation's network and security estate, including: Enterprise switching and routing Firewall administration DNS, DHCP and TCP/IP services Secure remote connectivity Network monitoring and performance optimisation Endpoint protection technologies Vulnerability management Security monitoring platforms Certificate and encryption management Technical Environment You'll have strong experience across most of the following technologies: Infrastructure Windows Server Red Hat Enterprise Linux VMware vSphere / vCenter Microsoft 365 SQL Server Enterprise virtualisation Hybrid infrastructure Backup & Recovery Veeam Backup & Replication Disaster Recovery Infrastructure monitoring Networking Cisco networking Fortinet firewalls LAN/WAN Routing & Switching DNS DHCP Security Endpoint Detection & Response (EDR) Endpoint Encryption Data Loss Prevention SIEM solutions Vulnerability Management SSL Certificate Management Hardware Enterprise Dell server platforms SAN storage technologies About You We're looking for an experienced infrastructure professional who enjoys taking ownership of complex enterprise environments and delivering reliable technology services. You'll ideally have: Five or more years' experience supporting enterprise infrastructure. A background within banking, financial services or another highly regulated sector. Strong troubleshooting and problem-solving skills. Experience working within virtualised server environments. A broad understanding of infrastructure security principles.
Aug 15, 2026
Contractor
Infrastructure Engineer An established financial services organisation is looking to appoint a Senior IT Infrastructure Engineer to play a key role in maintaining and developing its enterprise technology estate. This position combines hands-on technical engineering with infrastructure ownership, supporting business-critical platforms used across the organisation. Working within a highly regulated environment, you'll be responsible for the reliability, security and ongoing enhancement of server infrastructure, virtualisation, networking, endpoint technologies and core business applications. You'll also contribute to infrastructure projects, mentor colleagues and help shape future technology improvements. What You'll Be Doing As a senior member of the infrastructure team, you'll take ownership of day-to-day operations across the organisation's core technology platforms while supporting wider transformation initiatives. Your responsibilities will include: Managing Windows Server and Linux environments to ensure high availability and operational stability. Supporting and optimising VMware virtual infrastructure across production environments. Maintaining enterprise backup, recovery and disaster recovery capabilities using industry-leading technologies. Monitoring infrastructure performance and proactively resolving capacity, availability and resilience issues. Administering Microsoft 365 services and supporting hybrid infrastructure technologies. Managing Active Directory, Group Policy, identity administration and user access management. Supporting desktop operating systems, laptops, mobile devices and collaboration technologies across multiple office locations. Maintaining endpoint security controls, encryption technologies and vulnerability remediation processes. Working closely with cyber security teams to strengthen infrastructure security and reduce operational risk. Supporting enterprise patch management and software deployment across server and desktop environments. Troubleshooting complex infrastructure, networking and systems issues while acting as a senior technical escalation point. Contributing to infrastructure upgrades, technology refresh programmes and strategic improvement projects. Producing technical documentation, operational procedures and infrastructure standards. Working alongside third-party suppliers and internal stakeholders to deliver stable, secure technology services. Enterprise Systems The environment includes a range of specialist financial platforms supporting treasury operations, payments, market data, secure financial messaging, compliance and business operations. Previous experience supporting financial services applications within regulated organisations would be highly advantageous. Networking & Security You'll provide administration and support across the organisation's network and security estate, including: Enterprise switching and routing Firewall administration DNS, DHCP and TCP/IP services Secure remote connectivity Network monitoring and performance optimisation Endpoint protection technologies Vulnerability management Security monitoring platforms Certificate and encryption management Technical Environment You'll have strong experience across most of the following technologies: Infrastructure Windows Server Red Hat Enterprise Linux VMware vSphere / vCenter Microsoft 365 SQL Server Enterprise virtualisation Hybrid infrastructure Backup & Recovery Veeam Backup & Replication Disaster Recovery Infrastructure monitoring Networking Cisco networking Fortinet firewalls LAN/WAN Routing & Switching DNS DHCP Security Endpoint Detection & Response (EDR) Endpoint Encryption Data Loss Prevention SIEM solutions Vulnerability Management SSL Certificate Management Hardware Enterprise Dell server platforms SAN storage technologies About You We're looking for an experienced infrastructure professional who enjoys taking ownership of complex enterprise environments and delivering reliable technology services. You'll ideally have: Five or more years' experience supporting enterprise infrastructure. A background within banking, financial services or another highly regulated sector. Strong troubleshooting and problem-solving skills. Experience working within virtualised server environments. A broad understanding of infrastructure security principles.
Infrastructure Windows Engineer with SC Clearance We are seeking an experienced Microsoft Windows Engineer to design, implement, support, and maintain enterprise Windows infrastructure. The successful candidate will be responsible for Windows Server administration, Active Directory services, virtualization platforms, automation, security compliance, and infrastructure modernization projects while ensuring high availability and operational excellence. Key Responsibilities Manage and support enterprise Windows Server environments (Windows Server 2016, 2019, 2022 and later). Build, configure, maintain, and decommission physical and virtual servers. Administer Active Directory, DNS, DHCP, Group Policy, and related Microsoft technologies. Perform system patching, upgrades, security hardening, and vulnerability remediation. Support virtualization platforms such as VMware and Hyper-V. Develop and maintain automation scripts using PowerShell. Troubleshoot infrastructure incidents and perform root-cause analysis. Work with security, networking, storage, and cloud teams to deliver infrastructure solutions. Participate in infrastructure projects, migrations, and technology refresh initiatives. Ensure compliance with ITIL processes including Incident, Change, Problem, and Release Management. Maintain technical documentation, standards, and operational procedures. Participate in on-call support and planned out-of-hours maintenance activities. Required Skills & Experience Technical Skills Strong experience with Microsoft Windows Server administration. Active Directory, Group Policy, DNS, and DHCP administration. PowerShell scripting and automation. VMware vSphere and/or Microsoft Hyper-V. Windows patch management and OS lifecycle management. Server build, deployment, and operational acceptance processes. Monitoring and troubleshooting enterprise environments. Security hardening and vulnerability remediation. Experience with Microsoft Endpoint Configuration Manager (SCCM/MECM) and Windows update technologies is desirable. Professional Skills Excellent problem-solving and analytical abilities. Strong communication and stakeholder management skills. Ability to work independently and within agile delivery teams. Experience operating within ITIL-based service management environments. Strong documentation and knowledge-sharing skills. Desired Qualifications Microsoft Certified: Windows Server Hybrid Administrator Associate Microsoft Certified: Azure Administrator Associate VMware VCP certification ITIL Foundation Relevant degree in Computer Science, Information Technology, or equivalent experience Desirable Experience Microsoft Azure infrastructure and hybrid cloud environments. Infrastructure as Code (Terraform, Ansible). GitHub/Azure DevOps. Endpoint management (Intune, MECM). Linux administration experience. Enterprise security tooling and compliance frameworks Key Success Measures High availability and reliability of Windows services. Timely patching and vulnerability remediation. Successful delivery of infrastructure projects. Compliance with security and operational standards. Effective automation and reduction of manual administration tasks.
Aug 14, 2026
Full time
Infrastructure Windows Engineer with SC Clearance We are seeking an experienced Microsoft Windows Engineer to design, implement, support, and maintain enterprise Windows infrastructure. The successful candidate will be responsible for Windows Server administration, Active Directory services, virtualization platforms, automation, security compliance, and infrastructure modernization projects while ensuring high availability and operational excellence. Key Responsibilities Manage and support enterprise Windows Server environments (Windows Server 2016, 2019, 2022 and later). Build, configure, maintain, and decommission physical and virtual servers. Administer Active Directory, DNS, DHCP, Group Policy, and related Microsoft technologies. Perform system patching, upgrades, security hardening, and vulnerability remediation. Support virtualization platforms such as VMware and Hyper-V. Develop and maintain automation scripts using PowerShell. Troubleshoot infrastructure incidents and perform root-cause analysis. Work with security, networking, storage, and cloud teams to deliver infrastructure solutions. Participate in infrastructure projects, migrations, and technology refresh initiatives. Ensure compliance with ITIL processes including Incident, Change, Problem, and Release Management. Maintain technical documentation, standards, and operational procedures. Participate in on-call support and planned out-of-hours maintenance activities. Required Skills & Experience Technical Skills Strong experience with Microsoft Windows Server administration. Active Directory, Group Policy, DNS, and DHCP administration. PowerShell scripting and automation. VMware vSphere and/or Microsoft Hyper-V. Windows patch management and OS lifecycle management. Server build, deployment, and operational acceptance processes. Monitoring and troubleshooting enterprise environments. Security hardening and vulnerability remediation. Experience with Microsoft Endpoint Configuration Manager (SCCM/MECM) and Windows update technologies is desirable. Professional Skills Excellent problem-solving and analytical abilities. Strong communication and stakeholder management skills. Ability to work independently and within agile delivery teams. Experience operating within ITIL-based service management environments. Strong documentation and knowledge-sharing skills. Desired Qualifications Microsoft Certified: Windows Server Hybrid Administrator Associate Microsoft Certified: Azure Administrator Associate VMware VCP certification ITIL Foundation Relevant degree in Computer Science, Information Technology, or equivalent experience Desirable Experience Microsoft Azure infrastructure and hybrid cloud environments. Infrastructure as Code (Terraform, Ansible). GitHub/Azure DevOps. Endpoint management (Intune, MECM). Linux administration experience. Enterprise security tooling and compliance frameworks Key Success Measures High availability and reliability of Windows services. Timely patching and vulnerability remediation. Successful delivery of infrastructure projects. Compliance with security and operational standards. Effective automation and reduction of manual administration tasks.
Information Security Engineer Ampthill, Bedfordshire, UK (phone number removed) p/a with BUPA, bonus, 4 day work week Reporting to the EMEA Information Security Officer, the Information Security Engineer will be responsible for the security engineering, accreditation, and lifecycle assurance of classified and sensitive IT systems. The role will support the design, implementation, operation, and continuous improvement of secure IT environments, ensuring compliance with UK Government, MoD, and Lockheed Martin security requirements. The successful candidate will work closely with programme teams, architects, infrastructure engineers, accrediting authorities, and information assurance stakeholders to ensure security is embedded throughout the system lifecycle. Key Responsibilities: Lead the implementation of Secure by Design principles across classified IT systems and projects Provide security engineering expertise throughout the system development and operational lifecycle, ensuring security requirements are identified and implemented from concept through disposal. Conduct security architecture reviews, threat assessments, and technical risk analysis for classified environments. Support the development and maintenance of system security documentation, security architectures, and security operating procedures. Lead and coordinate system accreditation activities for classified and sensitive systems. Develop and maintain accreditation artefacts including Risk Management and Accreditation Documentation Sets (RMADS), Security Cases, Security Management Plans, and supporting evidence. Work with Accreditors, Security Controllers, and customer security representatives to obtain and maintain Authority to Operate (ATO) approvals. Ensure continued compliance with applicable regulatory, contractual, and customer security requirements throughout system operation. Identify, assess, and mitigate cybersecurity risks within classified IT environments. Conduct security assessments, vulnerability reviews, and compliance audits against corporate and government security standards. Support risk treatment planning and remediation activities. Ensure alignment with NCSC, MoD, JSP, NIST, and Lockheed Martin security policies and standards where applicable. Support incident response investigations affecting classified systems. Assist with vulnerability management, patch management, and security monitoring activities. Participate in security reviews and technical investigations to identify root causes and corrective actions. Provide technical guidance to system administrators and engineering teams on security controls and best practices. Collaborate with programme managers, solution architects, IT teams, information assurance practitioners, and customer representatives. Provide security guidance to project teams during system design, implementation, and operational support phases. Support customer and regulatory audits and inspections. Required skills, qualifications and experience Strong understanding of Microsoft Windows Server, Linux operating systems, virtualisation technologies, and enterprise networking. Experience securing classified, air-gapped, or highly regulated IT environments. Knowledge of cloud security principles including AWS, IaaS, and PaaS technologies where applicable. Familiarity with security technologies including endpoint protection, SIEM, vulnerability management, encryption, and identity management solutions Demonstrable experience applying Secure by Design principles in complex IT systems and programmes. Experience conducting security architecture reviews, threat modelling, and risk assessments. Strong understanding of system hardening, security controls implementation, and security testing methodologies. Experience supporting system engineering and security requirements management within regulated environments. Accreditation & ATO Experience Proven experience developing accreditation evidence and security assurance documentation. Experience obtaining and maintaining Authority to Operate (ATO) approvals for classified or regulated systems. Knowledge of UK Government and MoD accreditation processes and assurance frameworks. Experience working directly with accrediting authorities, security controllers, or customer assurance organisations. Excellent written and verbal communication skills. Ability to communicate technical security concepts to both technical and non-technical stakeholders. Strong analytical and problem-solving skills. Ability to work independently while supporting multiple programmes and stakeholders. CISSP, CISM, or equivalent Information Assurance certification. Degree in Cyber Security, Information Security, Computer Science, Engineering, or a related discipline. Experience within Defence, Aerospace, Government, or National Security sectors. Disclaimer: This vacancy is being advertised by Optamor Limited. Optamor is a specialist Recruitment Process Outsourcing provider. We provide a flexible full recruitment solution which takes care of all recruitment requirements from planning to on-boarding. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission.
Aug 13, 2026
Full time
Information Security Engineer Ampthill, Bedfordshire, UK (phone number removed) p/a with BUPA, bonus, 4 day work week Reporting to the EMEA Information Security Officer, the Information Security Engineer will be responsible for the security engineering, accreditation, and lifecycle assurance of classified and sensitive IT systems. The role will support the design, implementation, operation, and continuous improvement of secure IT environments, ensuring compliance with UK Government, MoD, and Lockheed Martin security requirements. The successful candidate will work closely with programme teams, architects, infrastructure engineers, accrediting authorities, and information assurance stakeholders to ensure security is embedded throughout the system lifecycle. Key Responsibilities: Lead the implementation of Secure by Design principles across classified IT systems and projects Provide security engineering expertise throughout the system development and operational lifecycle, ensuring security requirements are identified and implemented from concept through disposal. Conduct security architecture reviews, threat assessments, and technical risk analysis for classified environments. Support the development and maintenance of system security documentation, security architectures, and security operating procedures. Lead and coordinate system accreditation activities for classified and sensitive systems. Develop and maintain accreditation artefacts including Risk Management and Accreditation Documentation Sets (RMADS), Security Cases, Security Management Plans, and supporting evidence. Work with Accreditors, Security Controllers, and customer security representatives to obtain and maintain Authority to Operate (ATO) approvals. Ensure continued compliance with applicable regulatory, contractual, and customer security requirements throughout system operation. Identify, assess, and mitigate cybersecurity risks within classified IT environments. Conduct security assessments, vulnerability reviews, and compliance audits against corporate and government security standards. Support risk treatment planning and remediation activities. Ensure alignment with NCSC, MoD, JSP, NIST, and Lockheed Martin security policies and standards where applicable. Support incident response investigations affecting classified systems. Assist with vulnerability management, patch management, and security monitoring activities. Participate in security reviews and technical investigations to identify root causes and corrective actions. Provide technical guidance to system administrators and engineering teams on security controls and best practices. Collaborate with programme managers, solution architects, IT teams, information assurance practitioners, and customer representatives. Provide security guidance to project teams during system design, implementation, and operational support phases. Support customer and regulatory audits and inspections. Required skills, qualifications and experience Strong understanding of Microsoft Windows Server, Linux operating systems, virtualisation technologies, and enterprise networking. Experience securing classified, air-gapped, or highly regulated IT environments. Knowledge of cloud security principles including AWS, IaaS, and PaaS technologies where applicable. Familiarity with security technologies including endpoint protection, SIEM, vulnerability management, encryption, and identity management solutions Demonstrable experience applying Secure by Design principles in complex IT systems and programmes. Experience conducting security architecture reviews, threat modelling, and risk assessments. Strong understanding of system hardening, security controls implementation, and security testing methodologies. Experience supporting system engineering and security requirements management within regulated environments. Accreditation & ATO Experience Proven experience developing accreditation evidence and security assurance documentation. Experience obtaining and maintaining Authority to Operate (ATO) approvals for classified or regulated systems. Knowledge of UK Government and MoD accreditation processes and assurance frameworks. Experience working directly with accrediting authorities, security controllers, or customer assurance organisations. Excellent written and verbal communication skills. Ability to communicate technical security concepts to both technical and non-technical stakeholders. Strong analytical and problem-solving skills. Ability to work independently while supporting multiple programmes and stakeholders. CISSP, CISM, or equivalent Information Assurance certification. Degree in Cyber Security, Information Security, Computer Science, Engineering, or a related discipline. Experience within Defence, Aerospace, Government, or National Security sectors. Disclaimer: This vacancy is being advertised by Optamor Limited. Optamor is a specialist Recruitment Process Outsourcing provider. We provide a flexible full recruitment solution which takes care of all recruitment requirements from planning to on-boarding. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission.
Server Engineer SC Cleared Windows Server PowerShell VMware Active SC Clearance is essential for this opportunity. Are you an experienced Server Engineer with expertise in Windows Server, PowerShell scripting, VMware, and server build and decommissioning? We're recruiting on behalf of a leading organisation within the Financial Services sector seeking an engineer to support and enhance its enterprise server infrastructure. This is an excellent opportunity to join a collaborative infrastructure team, working in a secure enterprise environment where you'll be responsible for maintaining business-critical systems while contributing to infrastructure upgrades and transformation projects. Location: Central London (2 3 days onsite per week) Key Responsibilities Build, configure, deploy, maintain, and decommission both physical and virtual Windows Servers. Manage and support enterprise Microsoft Windows Server environments, ensuring high availability, security, and performance. Develop and maintain PowerShell scripts to automate server administration and improve operational efficiency. Administer core Microsoft technologies including Active Directory, DNS, DHCP, and Group Policy. Support and maintain VMware vSphere infrastructure (Hyper-V experience also considered). Carry out Windows Server patching, upgrades, security hardening, and vulnerability remediation. Investigate and resolve server and infrastructure incidents, performing root cause analysis where required. Support infrastructure projects including migrations, upgrades, and server refresh activities. Produce and maintain technical documentation while working within ITIL service management processes. Participate in an on-call rota and occasional planned out-of-hours maintenance. Essential Skills & Experience Active SC Clearance (required). Proven experience as a Server Engineer , Windows Infrastructure Engineer, or similar role. Strong experience with Windows Server administration in enterprise environments. Hands-on experience building, deploying, and decommissioning physical and virtual servers. Strong PowerShell scripting and automation skills. VMware vSphere administration experience (Hyper-V knowledge is beneficial). Excellent knowledge of Active Directory, DNS, DHCP, and Group Policy. Experience with Windows Server patch management, operating system lifecycle management, and infrastructure security best practices. Strong troubleshooting and problem-solving skills with experience supporting critical server infrastructure. Excellent communication and documentation skills. Desirable Skills Experience with any of the following would be advantageous: Microsoft Azure MECM / SCCM Microsoft Intune Infrastructure as Code (IaC) Linux administration If you're an SC Cleared Server Engineer with strong Windows Server, VMware, and PowerShell expertise looking for your next challenge, we'd like to hear from you. Apply now to speak with VIQU IT in confidence. Or reach out to Phoebe Thompson via the VIQU IT website. Do you know someone great? We ll thank you with up to £1,000 if your referral is successful (terms apply). For more exciting roles and opportunities like this, please follow us on IT Recruitment.
Aug 13, 2026
Contractor
Server Engineer SC Cleared Windows Server PowerShell VMware Active SC Clearance is essential for this opportunity. Are you an experienced Server Engineer with expertise in Windows Server, PowerShell scripting, VMware, and server build and decommissioning? We're recruiting on behalf of a leading organisation within the Financial Services sector seeking an engineer to support and enhance its enterprise server infrastructure. This is an excellent opportunity to join a collaborative infrastructure team, working in a secure enterprise environment where you'll be responsible for maintaining business-critical systems while contributing to infrastructure upgrades and transformation projects. Location: Central London (2 3 days onsite per week) Key Responsibilities Build, configure, deploy, maintain, and decommission both physical and virtual Windows Servers. Manage and support enterprise Microsoft Windows Server environments, ensuring high availability, security, and performance. Develop and maintain PowerShell scripts to automate server administration and improve operational efficiency. Administer core Microsoft technologies including Active Directory, DNS, DHCP, and Group Policy. Support and maintain VMware vSphere infrastructure (Hyper-V experience also considered). Carry out Windows Server patching, upgrades, security hardening, and vulnerability remediation. Investigate and resolve server and infrastructure incidents, performing root cause analysis where required. Support infrastructure projects including migrations, upgrades, and server refresh activities. Produce and maintain technical documentation while working within ITIL service management processes. Participate in an on-call rota and occasional planned out-of-hours maintenance. Essential Skills & Experience Active SC Clearance (required). Proven experience as a Server Engineer , Windows Infrastructure Engineer, or similar role. Strong experience with Windows Server administration in enterprise environments. Hands-on experience building, deploying, and decommissioning physical and virtual servers. Strong PowerShell scripting and automation skills. VMware vSphere administration experience (Hyper-V knowledge is beneficial). Excellent knowledge of Active Directory, DNS, DHCP, and Group Policy. Experience with Windows Server patch management, operating system lifecycle management, and infrastructure security best practices. Strong troubleshooting and problem-solving skills with experience supporting critical server infrastructure. Excellent communication and documentation skills. Desirable Skills Experience with any of the following would be advantageous: Microsoft Azure MECM / SCCM Microsoft Intune Infrastructure as Code (IaC) Linux administration If you're an SC Cleared Server Engineer with strong Windows Server, VMware, and PowerShell expertise looking for your next challenge, we'd like to hear from you. Apply now to speak with VIQU IT in confidence. Or reach out to Phoebe Thompson via the VIQU IT website. Do you know someone great? We ll thank you with up to £1,000 if your referral is successful (terms apply). For more exciting roles and opportunities like this, please follow us on IT Recruitment.
Senior Linux Engineer Location: Glasgow (Preferred) or Newcastle Upon Tyne Salary: Up to £65,000 Working Pattern: Hybrid working with client-site attendance as required We are seeking an experienced Senior Linux Engineer to join a highly skilled Infrastructure Engineering team responsible for supporting and evolving critical enterprise platforms within a large-scale, complex technology environment. The team is responsible for a substantial Linux server estate alongside supporting technologies including VMware, F5 Load Balancing, Infoblox DNS and a suite of internally developed automation tools used to manage and maintain the wider infrastructure platform. This role has been created to support a major programme of infrastructure modernisation, with a particular focus on improving the organisation's ability to perform operating system upgrades, vulnerability remediation and platform lifecycle management through automation at scale. This is an excellent opportunity for an engineer with strong Linux expertise who enjoys combining infrastructure operations, automation and platform engineering. Location & Travel Glasgow is the preferred office location due to the existing engineering team presence. Candidates based within commuting distance of Newcastle will also be considered. During the initial onboarding period, successful applicants will be expected to travel regularly to London to collaborate with the wider engineering teams. Travel requirements will reduce significantly following this period. The Role As a Senior Linux Engineer, you will be responsible for the ongoing support, maintenance and enhancement of enterprise Linux infrastructure. A key focus of the position will be helping the organisation improve the way infrastructure is managed through automation, reducing operational overhead and enabling faster response to security vulnerabilities and platform risks. Key initiatives include: Large-scale Linux operating system upgrades. Enterprise patching and vulnerability remediation. Infrastructure lifecycle management. Development of automation tooling and processes. Platform monitoring and observability improvements. Supporting the adoption of modern infrastructure engineering practices. Key Responsibilities Linux Infrastructure Engineering Administer and support large-scale enterprise Linux environments. Perform troubleshooting and root cause analysis across production infrastructure. Support operating system upgrades, patching and lifecycle activities. Ensure platform availability, stability and performance. Work closely with networking, virtualisation and infrastructure teams. Contribute to platform resilience and operational excellence. Automation & Platform Engineering Design and develop automation tooling using Python and Ansible. Automate operational and maintenance processes. Develop orchestration workflows to improve infrastructure efficiency. Create validation and verification processes to support change activity. Reduce manual intervention through automation and engineering best practice. Monitoring & Observability Enhance monitoring, alerting and observability capabilities across infrastructure platforms. Develop dashboards and operational reporting. Work with technologies such as: Prometheus Grafana Loki Support proactive platform monitoring and issue prevention. Collaboration & Continuous Improvement Work closely with Linux, Networking and Virtualisation specialists. Participate in technical design discussions and reviews. Support knowledge sharing and mentoring activities. Produce and maintain high-quality technical documentation. Essential Skills & Experience Technical Skills Strong experience administering Linux server environments. Experience supporting enterprise-scale infrastructure platforms. Advanced Linux troubleshooting and diagnostic skills. Good understanding of Linux operating systems and core system services. Experience developing automation solutions using Python. Strong Ansible experience. Knowledge of networking fundamentals and infrastructure concepts. Experience supporting mission-critical production environments. Understanding of system performance, processes, storage and operating system internals. Personal Skills Strong problem-solving and analytical capabilities. Excellent communication and stakeholder management skills. Ability to work effectively within highly technical engineering teams. Proactive approach to continuous improvement and automation. Desirable Experience Experience within Financial Services or other highly regulated environments. VMware virtualisation platforms. F5 Load Balancers. Infoblox DNS. Apache Airflow. Prometheus, Grafana and Loki. Infrastructure-as-Code methodologies. Enterprise patching programmes and operating system lifecycle management. Platform modernisation or automation initiatives. What We're Looking For We are looking for a Linux Engineer with a strong infrastructure background who is comfortable operating within complex enterprise environments. You'll possess excellent Linux administration skills, be confident troubleshooting production issues, and have experience using automation to improve operational efficiency. The ideal candidate will combine deep technical infrastructure knowledge with modern engineering practices and a passion for automation, reliability and continuous improvement.
Aug 13, 2026
Full time
Senior Linux Engineer Location: Glasgow (Preferred) or Newcastle Upon Tyne Salary: Up to £65,000 Working Pattern: Hybrid working with client-site attendance as required We are seeking an experienced Senior Linux Engineer to join a highly skilled Infrastructure Engineering team responsible for supporting and evolving critical enterprise platforms within a large-scale, complex technology environment. The team is responsible for a substantial Linux server estate alongside supporting technologies including VMware, F5 Load Balancing, Infoblox DNS and a suite of internally developed automation tools used to manage and maintain the wider infrastructure platform. This role has been created to support a major programme of infrastructure modernisation, with a particular focus on improving the organisation's ability to perform operating system upgrades, vulnerability remediation and platform lifecycle management through automation at scale. This is an excellent opportunity for an engineer with strong Linux expertise who enjoys combining infrastructure operations, automation and platform engineering. Location & Travel Glasgow is the preferred office location due to the existing engineering team presence. Candidates based within commuting distance of Newcastle will also be considered. During the initial onboarding period, successful applicants will be expected to travel regularly to London to collaborate with the wider engineering teams. Travel requirements will reduce significantly following this period. The Role As a Senior Linux Engineer, you will be responsible for the ongoing support, maintenance and enhancement of enterprise Linux infrastructure. A key focus of the position will be helping the organisation improve the way infrastructure is managed through automation, reducing operational overhead and enabling faster response to security vulnerabilities and platform risks. Key initiatives include: Large-scale Linux operating system upgrades. Enterprise patching and vulnerability remediation. Infrastructure lifecycle management. Development of automation tooling and processes. Platform monitoring and observability improvements. Supporting the adoption of modern infrastructure engineering practices. Key Responsibilities Linux Infrastructure Engineering Administer and support large-scale enterprise Linux environments. Perform troubleshooting and root cause analysis across production infrastructure. Support operating system upgrades, patching and lifecycle activities. Ensure platform availability, stability and performance. Work closely with networking, virtualisation and infrastructure teams. Contribute to platform resilience and operational excellence. Automation & Platform Engineering Design and develop automation tooling using Python and Ansible. Automate operational and maintenance processes. Develop orchestration workflows to improve infrastructure efficiency. Create validation and verification processes to support change activity. Reduce manual intervention through automation and engineering best practice. Monitoring & Observability Enhance monitoring, alerting and observability capabilities across infrastructure platforms. Develop dashboards and operational reporting. Work with technologies such as: Prometheus Grafana Loki Support proactive platform monitoring and issue prevention. Collaboration & Continuous Improvement Work closely with Linux, Networking and Virtualisation specialists. Participate in technical design discussions and reviews. Support knowledge sharing and mentoring activities. Produce and maintain high-quality technical documentation. Essential Skills & Experience Technical Skills Strong experience administering Linux server environments. Experience supporting enterprise-scale infrastructure platforms. Advanced Linux troubleshooting and diagnostic skills. Good understanding of Linux operating systems and core system services. Experience developing automation solutions using Python. Strong Ansible experience. Knowledge of networking fundamentals and infrastructure concepts. Experience supporting mission-critical production environments. Understanding of system performance, processes, storage and operating system internals. Personal Skills Strong problem-solving and analytical capabilities. Excellent communication and stakeholder management skills. Ability to work effectively within highly technical engineering teams. Proactive approach to continuous improvement and automation. Desirable Experience Experience within Financial Services or other highly regulated environments. VMware virtualisation platforms. F5 Load Balancers. Infoblox DNS. Apache Airflow. Prometheus, Grafana and Loki. Infrastructure-as-Code methodologies. Enterprise patching programmes and operating system lifecycle management. Platform modernisation or automation initiatives. What We're Looking For We are looking for a Linux Engineer with a strong infrastructure background who is comfortable operating within complex enterprise environments. You'll possess excellent Linux administration skills, be confident troubleshooting production issues, and have experience using automation to improve operational efficiency. The ideal candidate will combine deep technical infrastructure knowledge with modern engineering practices and a passion for automation, reliability and continuous improvement.
Information Security Engineer Ampthill, Bedfordshire, UK £ p/a with BUPA, bonus, 4 day work week Reporting to the EMEA Information Security Officer, the Information Security Engineer will be responsible for the security engineering, accreditation, and lifecycle assurance of classified and sensitive IT systems. The role will support the design, implementation, operation, and continuous improvement of secure IT environments, ensuring compliance with UK Government, MoD, and Lockheed Martin security requirements. The successful candidate will work closely with programme teams, architects, infrastructure engineers, accrediting authorities, and information assurance stakeholders to ensure security is embedded throughout the system lifecycle.Key Responsibilities: Lead the implementation of Secure by Design principles across classified IT systems and projects Provide security engineering expertise throughout the system development and operational lifecycle, ensuring security requirements are identified and implemented from concept through disposal. Conduct security architecture reviews, threat assessments, and technical risk analysis for classified environments. Support the development and maintenance of system security documentation, security architectures, and security operating procedures. Lead and coordinate system accreditation activities for classified and sensitive systems. Develop and maintain accreditation artefacts including Risk Management and Accreditation Documentation Sets (RMADS), Security Cases, Security Management Plans, and supporting evidence. Work with Accreditors, Security Controllers, and customer security representatives to obtain and maintain Authority to Operate (ATO) approvals. Ensure continued compliance with applicable regulatory, contractual, and customer security requirements throughout system operation. Identify, assess, and mitigate cybersecurity risks within classified IT environments. Conduct security assessments, vulnerability reviews, and compliance audits against corporate and government security standards. Support risk treatment planning and remediation activities. Ensure alignment with NCSC, MoD, JSP, NIST, and Lockheed Martin security policies and standards where applicable. Support incident response investigations affecting classified systems. Assist with vulnerability management, patch management, and security monitoring activities. Participate in security reviews and technical investigations to identify root causes and corrective actions. Provide technical guidance to system administrators and engineering teams on security controls and best practices. Collaborate with programme managers, solution architects, IT teams, information assurance practitioners, and customer representatives. Provide security guidance to project teams during system design, implementation, and operational support phases. Support customer and regulatory audits and inspections. Required skills, qualifications and experience Strong understanding of Microsoft Windows Server, Linux operating systems, virtualisation technologies, and enterprise networking. Experience securing classified, air-gapped, or highly regulated IT environments. Knowledge of cloud security principles including AWS, IaaS, and PaaS technologies where applicable. Familiarity with security technologies including endpoint protection, SIEM, vulnerability management, encryption, and identity management solutions Demonstrable experience applying Secure by Design principles in complex IT systems and programmes. Experience conducting security architecture reviews, threat modelling, and risk assessments. Strong understanding of system hardening, security controls implementation, and security testing methodologies. Experience supporting system engineering and security requirements management within regulated environments. Accreditation & ATO Experience Proven experience developing accreditation evidence and security assurance documentation. Experience obtaining and maintaining Authority to Operate (ATO) approvals for classified or regulated systems. Knowledge of UK Government and MoD accreditation processes and assurance frameworks. Experience working directly with accrediting authorities, security controllers, or customer assurance organisations. Excellent written and verbal communication skills. Ability to communicate technical security concepts to both technical and non-technical stakeholders. Strong analytical and problem-solving skills. Ability to work independently while supporting multiple programmes and stakeholders. CISSP, CISM, or equivalent Information Assurance certification. Degree in Cyber Security, Information Security, Computer Science, Engineering, or a related discipline. Experience within Defence, Aerospace, Government, or National Security sectors. Disclaimer: This vacancy is being advertised by Optamor Limited. Optamor is a specialist Recruitment Process Outsourcing provider. We provide a flexible full recruitment solution which takes care of all recruitment requirements from planning to on-boarding. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission.
Aug 12, 2026
Full time
Information Security Engineer Ampthill, Bedfordshire, UK £ p/a with BUPA, bonus, 4 day work week Reporting to the EMEA Information Security Officer, the Information Security Engineer will be responsible for the security engineering, accreditation, and lifecycle assurance of classified and sensitive IT systems. The role will support the design, implementation, operation, and continuous improvement of secure IT environments, ensuring compliance with UK Government, MoD, and Lockheed Martin security requirements. The successful candidate will work closely with programme teams, architects, infrastructure engineers, accrediting authorities, and information assurance stakeholders to ensure security is embedded throughout the system lifecycle.Key Responsibilities: Lead the implementation of Secure by Design principles across classified IT systems and projects Provide security engineering expertise throughout the system development and operational lifecycle, ensuring security requirements are identified and implemented from concept through disposal. Conduct security architecture reviews, threat assessments, and technical risk analysis for classified environments. Support the development and maintenance of system security documentation, security architectures, and security operating procedures. Lead and coordinate system accreditation activities for classified and sensitive systems. Develop and maintain accreditation artefacts including Risk Management and Accreditation Documentation Sets (RMADS), Security Cases, Security Management Plans, and supporting evidence. Work with Accreditors, Security Controllers, and customer security representatives to obtain and maintain Authority to Operate (ATO) approvals. Ensure continued compliance with applicable regulatory, contractual, and customer security requirements throughout system operation. Identify, assess, and mitigate cybersecurity risks within classified IT environments. Conduct security assessments, vulnerability reviews, and compliance audits against corporate and government security standards. Support risk treatment planning and remediation activities. Ensure alignment with NCSC, MoD, JSP, NIST, and Lockheed Martin security policies and standards where applicable. Support incident response investigations affecting classified systems. Assist with vulnerability management, patch management, and security monitoring activities. Participate in security reviews and technical investigations to identify root causes and corrective actions. Provide technical guidance to system administrators and engineering teams on security controls and best practices. Collaborate with programme managers, solution architects, IT teams, information assurance practitioners, and customer representatives. Provide security guidance to project teams during system design, implementation, and operational support phases. Support customer and regulatory audits and inspections. Required skills, qualifications and experience Strong understanding of Microsoft Windows Server, Linux operating systems, virtualisation technologies, and enterprise networking. Experience securing classified, air-gapped, or highly regulated IT environments. Knowledge of cloud security principles including AWS, IaaS, and PaaS technologies where applicable. Familiarity with security technologies including endpoint protection, SIEM, vulnerability management, encryption, and identity management solutions Demonstrable experience applying Secure by Design principles in complex IT systems and programmes. Experience conducting security architecture reviews, threat modelling, and risk assessments. Strong understanding of system hardening, security controls implementation, and security testing methodologies. Experience supporting system engineering and security requirements management within regulated environments. Accreditation & ATO Experience Proven experience developing accreditation evidence and security assurance documentation. Experience obtaining and maintaining Authority to Operate (ATO) approvals for classified or regulated systems. Knowledge of UK Government and MoD accreditation processes and assurance frameworks. Experience working directly with accrediting authorities, security controllers, or customer assurance organisations. Excellent written and verbal communication skills. Ability to communicate technical security concepts to both technical and non-technical stakeholders. Strong analytical and problem-solving skills. Ability to work independently while supporting multiple programmes and stakeholders. CISSP, CISM, or equivalent Information Assurance certification. Degree in Cyber Security, Information Security, Computer Science, Engineering, or a related discipline. Experience within Defence, Aerospace, Government, or National Security sectors. Disclaimer: This vacancy is being advertised by Optamor Limited. Optamor is a specialist Recruitment Process Outsourcing provider. We provide a flexible full recruitment solution which takes care of all recruitment requirements from planning to on-boarding. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. 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Cyber Security Engineer/Specialist Permanent Up to £80,000 (+ Benefits) Hybrid Working (2 3 days per week Onsite) Surrey Help Shape Enterprise Cyber Security on a Global Scale We're looking for an experienced Cyber Security Engineer/Specialist to join a global organisation where security is a genuine business priority, not simply a compliance exercise. This is an opportunity to play a key role in protecting a complex enterprise environment, helping to identify, assess and mitigate sophisticated cyber threats while influencing the organisation's long-term security strategy. Working alongside infrastructure, architecture and operational teams, you'll strengthen enterprise security capabilities, improve cyber resilience and help safeguard critical business systems across an international environment. If you're looking for a role where you can make a real impact while continuing to develop your career within a stable organisation, we'd love to hear from you. The Role This is an enterprise Cyber Security position focused on proactive threat mitigation, security improvement and risk reduction rather than purely operational support. You'll be responsible for strengthening the organisation's security posture through threat assessment, vulnerability management, incident response and continuous security improvement initiatives. Key responsibilities include: Enterprise Threat Management Identify, assess and mitigate cyber threats across enterprise infrastructure and business systems Conduct proactive threat assessments and vulnerability analysis Develop and implement security controls and remediation strategies Monitor emerging threats and recommend appropriate defensive measures Enhance threat detection, monitoring and incident response capabilities Develop and maintain incident response playbooks and operational procedures Work closely with third-party security providers during incidents and security assessments Security Engineering & Risk Support enterprise security architecture and secure design initiatives Contribute to cyber risk management and governance activities Assess third-party and supply chain security risks Support penetration testing, vulnerability management and security assurance programmes Produce meaningful security metrics and KPI reporting for stakeholders Ensure alignment with recognised security frameworks and regulatory requirements Security Improvement Collaborate with infrastructure, cloud and engineering teams to embed security best practice Participate in Red Team / Blue Team exercises and cyber resilience testing Support business continuity and disaster recovery planning Champion continuous improvement across the organisation's security capability Communicate technical security risks clearly to both technical and business stakeholders What You'll Bring We're looking for someone who enjoys solving complex security challenges within large enterprise environments. You'll ideally have: A minimum of 5 years' experience in Cyber Security or Information Security Strong experience protecting enterprise environments against modern cyber threats Experience designing and implementing security controls to reduce organisational risk Excellent knowledge of enterprise security technologies and security operations Experience with SIEM platforms, incident response and threat detection Strong understanding of vulnerability management and security remediation Experience working with recognised security frameworks including: NIST ISO 27001 CIS Controls Cyber Essentials Knowledge of MITRE ATT&CK, Cyber Kill Chain and modern threat intelligence methodologies Excellent analytical, troubleshooting and stakeholder management skills Technical Environment Experience with several of the following technologies would be advantageous: Microsoft Defender Splunk Qualys Azure Security AWS Microsoft 365 Security PowerShell Python Kubernetes Windows Server Linux SOAR platforms Data Loss Prevention (DLP) DevSecOps practices Experience with AI-driven threat detection technologies would also be beneficial. Qualifications Ideally you'll hold one of the following: CISSP (preferred) CISM GIAC Certification CEH However, we recognise that exceptional enterprise Cyber Security experience is just as valuable. If you've developed your expertise through hands-on experience and hold certifications such as CompTIA Security+ , we'd still be keen to hear from you. Ideal Background We'd particularly like to speak with professionals currently working as: Senior Cyber Security Engineer Cyber Security Engineer Information Security Engineer Security Operations Engineer Threat Detection Engineer Cyber Defence Engineer Blue Team Engineer Senior SOC Engineer Security Consultant Experience within large enterprise or global organisations would be highly desirable. Why Join? You'll become part of a collaborative Cyber Security team within a business that continues to invest heavily in technology and security. In return, you'll benefit from: Competitive salary up to £80,000 (+ benefits) Hybrid working (2 3 days onsite in Surrey) Exposure to enterprise-scale security technologies Opportunities to influence security strategy Ongoing investment in professional development and certifications Long-term career progression within a stable global organisation A supportive and collaborative working culture Ready to Make an Impact? If you're passionate about enterprise Cyber Security, enjoy solving complex security challenges and want to help shape the future of Cyber Security within a global organisation, we'd love to hear from you. If you are passionate about cybersecurity, threat management and strengthening enterprise security capabilities, we would love to hear from you.
Aug 12, 2026
Full time
Cyber Security Engineer/Specialist Permanent Up to £80,000 (+ Benefits) Hybrid Working (2 3 days per week Onsite) Surrey Help Shape Enterprise Cyber Security on a Global Scale We're looking for an experienced Cyber Security Engineer/Specialist to join a global organisation where security is a genuine business priority, not simply a compliance exercise. This is an opportunity to play a key role in protecting a complex enterprise environment, helping to identify, assess and mitigate sophisticated cyber threats while influencing the organisation's long-term security strategy. Working alongside infrastructure, architecture and operational teams, you'll strengthen enterprise security capabilities, improve cyber resilience and help safeguard critical business systems across an international environment. If you're looking for a role where you can make a real impact while continuing to develop your career within a stable organisation, we'd love to hear from you. The Role This is an enterprise Cyber Security position focused on proactive threat mitigation, security improvement and risk reduction rather than purely operational support. You'll be responsible for strengthening the organisation's security posture through threat assessment, vulnerability management, incident response and continuous security improvement initiatives. Key responsibilities include: Enterprise Threat Management Identify, assess and mitigate cyber threats across enterprise infrastructure and business systems Conduct proactive threat assessments and vulnerability analysis Develop and implement security controls and remediation strategies Monitor emerging threats and recommend appropriate defensive measures Enhance threat detection, monitoring and incident response capabilities Develop and maintain incident response playbooks and operational procedures Work closely with third-party security providers during incidents and security assessments Security Engineering & Risk Support enterprise security architecture and secure design initiatives Contribute to cyber risk management and governance activities Assess third-party and supply chain security risks Support penetration testing, vulnerability management and security assurance programmes Produce meaningful security metrics and KPI reporting for stakeholders Ensure alignment with recognised security frameworks and regulatory requirements Security Improvement Collaborate with infrastructure, cloud and engineering teams to embed security best practice Participate in Red Team / Blue Team exercises and cyber resilience testing Support business continuity and disaster recovery planning Champion continuous improvement across the organisation's security capability Communicate technical security risks clearly to both technical and business stakeholders What You'll Bring We're looking for someone who enjoys solving complex security challenges within large enterprise environments. You'll ideally have: A minimum of 5 years' experience in Cyber Security or Information Security Strong experience protecting enterprise environments against modern cyber threats Experience designing and implementing security controls to reduce organisational risk Excellent knowledge of enterprise security technologies and security operations Experience with SIEM platforms, incident response and threat detection Strong understanding of vulnerability management and security remediation Experience working with recognised security frameworks including: NIST ISO 27001 CIS Controls Cyber Essentials Knowledge of MITRE ATT&CK, Cyber Kill Chain and modern threat intelligence methodologies Excellent analytical, troubleshooting and stakeholder management skills Technical Environment Experience with several of the following technologies would be advantageous: Microsoft Defender Splunk Qualys Azure Security AWS Microsoft 365 Security PowerShell Python Kubernetes Windows Server Linux SOAR platforms Data Loss Prevention (DLP) DevSecOps practices Experience with AI-driven threat detection technologies would also be beneficial. Qualifications Ideally you'll hold one of the following: CISSP (preferred) CISM GIAC Certification CEH However, we recognise that exceptional enterprise Cyber Security experience is just as valuable. If you've developed your expertise through hands-on experience and hold certifications such as CompTIA Security+ , we'd still be keen to hear from you. Ideal Background We'd particularly like to speak with professionals currently working as: Senior Cyber Security Engineer Cyber Security Engineer Information Security Engineer Security Operations Engineer Threat Detection Engineer Cyber Defence Engineer Blue Team Engineer Senior SOC Engineer Security Consultant Experience within large enterprise or global organisations would be highly desirable. Why Join? You'll become part of a collaborative Cyber Security team within a business that continues to invest heavily in technology and security. In return, you'll benefit from: Competitive salary up to £80,000 (+ benefits) Hybrid working (2 3 days onsite in Surrey) Exposure to enterprise-scale security technologies Opportunities to influence security strategy Ongoing investment in professional development and certifications Long-term career progression within a stable global organisation A supportive and collaborative working culture Ready to Make an Impact? If you're passionate about enterprise Cyber Security, enjoy solving complex security challenges and want to help shape the future of Cyber Security within a global organisation, we'd love to hear from you. If you are passionate about cybersecurity, threat management and strengthening enterprise security capabilities, we would love to hear from you.
