45 jobs found

Platform Engineer - DevOps Specialist Rate: 558 per day (Inside IR35) Location: Portsmouth (Hybrid - 2 days every other week on site, remainder remote) Contract: 6 months+ Clearance: Active SC Security Clearance required Overview We are seeking a Platform Engineer / DevOps Specialist to join a highly secure and complex engineering environment, supporting the modernisation and maturity uplift of critical platforms operating across both AWS and Azure. This role sits at the intersection of hands-on DevOps engineering and technical leadership (approx. 60/40 split) - where you will guide direction, lead on platform evolution, and still actively contribute to delivery. Key Responsibilities Design, build and maintain CI/CD pipelines in a DevSecOps environment Drive automation across infrastructure, deployment, and platform operations Work hands-on with Kubernetes, Docker, and containerised workloads Support and evolve platforms across AWS and Azure environments Implement secure development practices, including security scanning and compliance controls Contribute to platform modernisation and maturity uplift across two environments at different stages Operate within air-gapped and restricted access environments (including ITAR and special access considerations) Integrate and support AI/ML models within platform architecture (core requirement) Provide technical leadership while remaining hands-on with delivery Essential Skills & Experience Strong experience in DevOps / Platform Engineering roles within enterprise or secure environments Proven expertise in: CI/CD pipeline development and automation Kubernetes and Docker Bash / Linux / Python scripting Infrastructure automation and containerisation Experience working within DevSecOps practices including security scanning and compliance tooling Experience with AWS and/or Azure cloud platforms Strong understanding of DevOps culture and modern engineering practices Experience supporting platform modernisation or legacy-to-modern migrations Desirable Experience Apache Kafka AI/ML model integration within platform environments Exposure to ITAR / defence / highly regulated systems Experience operating in environments with multiple maturity levels across platforms Role Focus This is a hybrid engineering/leadership position (SFIA level 6) where you will: Lead technical direction and platform evolution Support and guide engineering teams Remain actively involved in hands-on engineering delivery

Title: Cloud Dev Security Operations (DevSecOps) Engineer Must hold (or be eligible for) SC Clearance. Cloud Dev Security Operations (DevSecOps) Engineer to identify and mitigate vulnerabilities observed on products hosted on AWS cloud infrastructure. Location: London UK This role is ideal for someone with strong technical troubleshooting skills, a proactive mindset, and the ability to balance stability with continuous improvement. This a hybrid role of 40% in the client's London office. May required weekend working once a month Immediate joining, min 6 months contract The candidate must be an expert in AWS cloud services with a strong cloud security background and automation mindset, joining the AWS Dev Security Operations (DevSecOps) team responsible for product security, vulnerability management, and cloud security posture improvement. The successful candidate will combine hands-on Linux administrative skills, security operations expertise, and the ability to identify, design, and deliver security automation using Scripting, AWS services, and container security tooling. The goal is to move from reactive security remediation to proactive and preventive security operations. Participation in an on-call rota is required to support business-critical services or high priority incidents. Skills & Qualifications (Required) Strong experience in cloud security operations, vulnerability management, or AWS security engineering roles Proven experience in BAU/IT Operations/Cloud Operations roles. Strong Linux (RHEL) system administration experience. Solid hands-on knowledge of AWS services including: EC2, VPC, ELB, RDS, ECS, EFS, EMR, S3, IAM, Lambda, CloudTrail, Config, EBS Experience with ITIL processes (Incident, Change, Problem Management). Strong automation skills using Ansible, Scripting (Bash/Python/PowerShell). Experience working with monitoring and observability tools (Datadog preferred). Ability to work independently, trouble shoot the incident root case, resolve the customer incident and respond to the impact user via ServiceNow Ability to communicate technical issues clearly to both technical and non-technical stakeholders. Proactive mindset with a passion for continuous improvement and automation. Willingness to participate in on-call support (rotational). Exposure to AWS Bedrock, Lambda-based automation, or event-driven architectures. Hands-on experience with AI/GenAI initiatives in operations, such as: o AI-assisted incident analysis o Automated remediation o Intelligent alerting or chatbot-based ops support

Senior Developer Permanent (must have or be able to obtain SC Clearance) Redhill, Surrey Up to £60,000 Per Year Plus an excellent benefits package (including Pension, Bonus, Training and Development, Healthcare, etc.) Skills and Experience: Ability to work effectively as part of a team, and on your own projects Good programming experience in some or all the following programming technologies: Linux (Debian, Ubuntu), Apache, Database Administration (MySQL), Programming knowledge (Bash, Python, PHP, ReactJS and NodeJS) Experience of CI/CD pipelines, Bitbucket and JIRA environments Experience of at least one of Xray, Pytest, Jest, Cypress test frameworks Experience of SonarQube code quality tool (desirable) Programming knowledge of SOA architectures (Desirable) Working knowledge of satellite networks and infrastructure (desirable) Asterisk / VoIP platforms Degree (2:1) or HND/HNC in Computer Science/Programming/Engineering related area and/or at least 5 years equivalent experience The Opportunity: My client based are a satellite communications provider working within the MOD sector who are looking to hire a Senior Developer to lead and work as part of a team in the system design/development processes. You will be using bespoke and open-source software, primarily Linux based to bring additional value to their in-house and customer solutions. In co-ordination with the Head of Technology, you will also lead and mentor the Developer and Graduate Developer working in your immediate team. The main development software technologies include Debian, Apache, MySQL, Python, PHP, ReactJS and NodeJS. As part of this role my client expect the successful candidate to continuously improve their skillset in software versioning and task management. NB: You must be able to obtain SC Clearance this is a must for the role and as such anyone that can t obtain it will be automatically rejected. Applications: Please contact John here at ISR to understand more about our growing client and how you can become a part on their ongoing success story working as a Senior Developer?

Lead Platform Engineer Lead Platform Engineer - Lonon / Hybrid Salary up to £110,000 + excellent benefits SC cleared or SC eligible candidates required Work on large scale cloud platforms supporting critical UK public sector services ABOUT THE CLIENT Our client is a global technology consultancy delivering secure digital transformation programmes across the UK public sector. Their engineering teams design and operate modern cloud platforms that power critical government services used by millions of citizens every day. Due to continued growth across multiple national programmes, they are looking to hire experienced Lead Platform Engineers to join their expanding engineering capability. THE BENEFITS Salary up to £105,000 plus benefits Flexible model with office and client travel Clear technical career progression and leadership pathways Access to industry recognised certifications and training Opportunity to work on large scale national digital transformation programmes Strong engineering culture with knowledge sharing and collaboration Flexible benefits package and wellbeing support THE LEAD PLATFORM ENGINEER ROLE As a Lead Platform Engineer, you will work within agile engineering teams designing and building secure, scalable cloud platforms for major UK public sector organisations. You will help deliver enterprise scale infrastructure platforms that enable development teams to build and deploy secure digital services. Typical responsibilities include: Designing and improving cloud infrastructure platforms Building Infrastructure as Code using Terraform Supporting container platforms using Kubernetes and Docker Developing CI/CD pipelines to automate delivery and deployment Improving platform monitoring, reliability and observability Providing technical leadership and mentoring engineers across delivery teams LEAD PLATFORM ENGINEER ESSENTIAL SKILLS Strong AWS cloud platform engineering experience Infrastructure as Code experience using Terraform Container technologies such as Kubernetes and Docker Strong Linux engineering and scripting experience Experience building CI/CD pipelines using Jenkins, GitLab or similar tools Experience supporting large scale production cloud platforms Ability to provide technical leadership within engineering teams Candidates must be SC cleared or eligible to obtain SC clearance. TO BE CONSIDERED Please either apply through this advert or emailing me directly via . For further information please call me: / . By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLS Lead Platform Engineer, Senior Platform Engineer, DevOps Engineer, Site Reliability Engineer, AWS, Terraform, Kubernetes, Docker, Linux, CI/CD, Cloud Engineering, Infrastructure as Code, NSD

PRINCIPAL DEVOPS ENGINEER- SC CLEARED PRINCIPAL DEVOPS ENGINEER- Permanent opportunity for a Principal DevOps Engineer with SC Clearance. - Salary up to £105,000 DOE - Hybrid opportunity with Leeds based offices - To apply, please call Laura Jackson on , or email with an up-to-date CV. WHO ARE WE?We're hiring for DevOps Engineers at principal level to join a top consultancy delivering cutting-edge solutions for industry-leading Public Sector and Defence clients. You'll have the opportunity to work across multiple high-impact, innovative and mission-critical projects, shaping solutions that make a real difference. Due to the sensitive nature of the work, an SC Clearance eligibility is required. THE PRINCIPAL DEVOPS ENGINEER- Active SC Clearance or SC Clearance eligibility - Leeds Based or ability to travel to Leeds.- Experience as in a Senior/ Principal DevOps/ Platform engineering role PRINCIPAL DEVOPS ENGINEER ESSENTIAL SKILLS- Strong Linux expertise (RHEL/CentOS) with experience supporting production systems- Git for version control and collaborative development (GitHub / GitLab)- AWS cloud infrastructure, ideally with Infrastructure as Code using Terraform- Kubernetes and container technologies (Docker) for modern platform environments- Experience working with CI/CD pipelines and automation tooling (e.g. Jenkins, Bamboo)- Strong understanding of modern platform architecture, microservices and cloud-native systems- Good communication skills and ability to provide technical leadership. TO BE CONSIDERED:Please either apply through this advert or emailing me directly on . For further information please call me: / . By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLSDEVOPS ENGINEER, DEVOPS, SITE RELIABILITY ENGINEER, PLATFROM ENGINEER, PLATFROM, CLOUD, AWS, AWS CLOUD, AWS ENGINEER, ANSIBLE, TERRAFORM, CLOUD SUPPORT, CLOUD INFRASTRUCTURE, DEFENCE, NATIONAL SECURITY, DV CLEARED, DV CLEARANCE, SECURITY CLEARED, SC CLEARANCE, NSD

PRINCIPAL DEVOPS ENGINEER- SC CLEARED PRINCIPAL DEVOPS ENGINEER- Permanent opportunity for a Principal DevOps Engineer with SC Clearance. - Salary up to £105,000 DOE - Hybrid opportunity with Newcastle based offices - To apply, please call Laura Jackson on , or email with an up-to-date CV. WHO ARE WE?We're hiring for DevOps Engineers at principal level to join a top consultancy delivering cutting-edge solutions for industry-leading Public Sector and Defence clients. You'll have the opportunity to work across multiple high-impact, innovative and mission-critical projects, shaping solutions that make a real difference. Due to the sensitive nature of the work, an SC Clearance eligibility is required. THE PRINCIPAL DEVOPS ENGINEER- Active SC Clearance or SC Clearance eligibility - Newcastle Based or ability to travel to Newcastle.- Experience as in a Senior/ Principal DevOps/ Platform engineering role PRINCIPAL DEVOPS ENGINEER ESSENTIAL SKILLS- Strong Linux expertise (RHEL/CentOS) with experience supporting production systems- Git for version control and collaborative development (GitHub / GitLab)- AWS cloud infrastructure, ideally with Infrastructure as Code using Terraform- Kubernetes and container technologies (Docker) for modern platform environments- Experience working with CI/CD pipelines and automation tooling (e.g. Jenkins, Bamboo)- Strong understanding of modern platform architecture, microservices and cloud-native systems- Good communication skills and ability to provide technical leadership. TO BE CONSIDERED:Please either apply through this advert or emailing me directly on . For further information please call me: / . By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLSDEVOPS ENGINEER, DEVOPS, SITE RELIABILITY ENGINEER, PLATFROM ENGINEER, PLATFROM, CLOUD, AWS, AWS CLOUD, AWS ENGINEER, ANSIBLE, TERRAFORM, CLOUD SUPPORT, CLOUD INFRASTRUCTURE, DEFENCE, NATIONAL SECURITY, DV CLEARED, DV CLEARANCE, SECURITY CLEARED, SC CLEARANCE, NSD

SITE RELIABILITY ENGINEER- SC CLEARED SITE RELIABILITY ENGINEER- Permanent opportunity for a Site Reliability Engineer with SC Clearance. - Salary up to £65,000 DOE - Hybrid opportunity with Gloucester based offices - To apply, please call Laura Jackson on , or email with an up-to-date CV. WHO ARE WE?We're hiring for Site Reliability Engineers to join a top consultancy delivering cutting-edge solutions for industry-leading Defence and National Security clients. You'll have the opportunity to work across multiple high-impact, innovative and mission-critical projects, shaping solutions that make a real difference. Due to the sensitive nature of the work, active SC Clearance is required. THE SITE RELIABILITY ENGINEER- Active SC Clearance and DV Clearance eligibility - Gloucester Based or ability to travel to Gloucester.- Experience as in a Site Reliability Role, or similar. SITE RELIABILITY ENGINEER ESSENTIAL SKILLS- Software development experience in Java and web technologies. - Experience with Linux and Windows environments, including command-line scripting in Bash and PowerShell.- Experience with AWS, Azure or OpenStack infrastructure. - Expertise in monitoring, diagnosing, and troubleshooting large systems- Experience with container management e.g. docker TO BE CONSIDERED:Please either apply through this advert or emailing me directly on . For further information please call me: / . By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLSDEVOPS ENGINEER, DEVOPS, SITE RELIABILITY ENGINEER, PLATFROM ENGINEER, PLATFROM, CLOUD, AWS, AWS CLOUD, AWS ENGINEER, ANSIBLE, TERRAFORM, CLOUD SUPPORT, CLOUD INFRASTRUCTURE, DEFENCE, NATIONAL SECURITY, DV CLEARED, DV CLEARANCE, SECURITY CLEARED, SC CLEARANCE, NSD

PRINCIPAL DEVOPS ENGINEER- SC CLEARED PRINCIPAL DEVOPS ENGINEER- Permanent opportunity for a Principal DevOps Engineer with SC Clearance. - Salary up to £110,000 DOE - Hybrid opportunity with London based offices - To apply, please call Laura Jackson on , or email with an up-to-date CV. WHO ARE WE?We're hiring for DevOps Engineers at principal level to join a top consultancy delivering cutting-edge solutions for industry-leading Public Sector and Defence clients. You'll have the opportunity to work across multiple high-impact, innovative and mission-critical projects, shaping solutions that make a real difference. Due to the sensitive nature of the work, an SC Clearance eligibility is required. THE PRINCIPAL DEVOPS ENGINEER- Active SC Clearance or SC Clearance eligibility - London Based or ability to travel to London.- Experience as in a Senior/ Principal DevOps/ Platform engineering role PRINCIPAL DEVOPS ENGINEER ESSENTIAL SKILLS- Strong Linux expertise (RHEL/CentOS) with experience supporting production systems- Git for version control and collaborative development (GitHub / GitLab)- AWS cloud infrastructure, ideally with Infrastructure as Code using Terraform- Kubernetes and container technologies (Docker) for modern platform environments- Experience working with CI/CD pipelines and automation tooling (e.g. Jenkins, Bamboo)- Strong understanding of modern platform architecture, microservices and cloud-native systems- Good communication skills and ability to provide technical leadership. TO BE CONSIDERED:Please either apply through this advert or emailing me directly on . For further information please call me: / . By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLSDEVOPS ENGINEER, DEVOPS, SITE RELIABILITY ENGINEER, PLATFROM ENGINEER, PLATFROM, CLOUD, AWS, AWS CLOUD, AWS ENGINEER, ANSIBLE, TERRAFORM, CLOUD SUPPORT, CLOUD INFRASTRUCTURE, DEFENCE, NATIONAL SECURITY, DV CLEARED, DV CLEARANCE, SECURITY CLEARED, SC CLEARANCE, NSD

PRINCIPAL DEVOPS ENGINEER- SC CLEARED PRINCIPAL DEVOPS ENGINEER- Permanent opportunity for a Principal DevOps Engineer with SC Clearance. - Salary up to £105,000 DOE - Hybrid opportunity with Manchester based offices - To apply, please call Laura Jackson on , or email with an up-to-date CV. WHO ARE WE?We're hiring for DevOps Engineers at principal level to join a top consultancy delivering cutting-edge solutions for industry-leading Public Sector and Defence clients. You'll have the opportunity to work across multiple high-impact, innovative and mission-critical projects, shaping solutions that make a real difference. Due to the sensitive nature of the work, an SC Clearance eligibility is required. THE PRINCIPAL DEVOPS ENGINEER- Active SC Clearance or SC Clearance eligibility - Manchester Based or ability to travel to Manchester.- Experience as in a Senior/ Principal DevOps/ Platform engineering role PRINCIPAL DEVOPS ENGINEER ESSENTIAL SKILLS- Strong Linux expertise (RHEL/CentOS) with experience supporting production systems- Git for version control and collaborative development (GitHub / GitLab)- AWS cloud infrastructure, ideally with Infrastructure as Code using Terraform- Kubernetes and container technologies (Docker) for modern platform environments- Experience working with CI/CD pipelines and automation tooling (e.g. Jenkins, Bamboo)- Strong understanding of modern platform architecture, microservices and cloud-native systems- Good communication skills and ability to provide technical leadership. TO BE CONSIDERED:Please either apply through this advert or emailing me directly on . For further information please call me: / . By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLSDEVOPS ENGINEER, DEVOPS, SITE RELIABILITY ENGINEER, PLATFROM ENGINEER, PLATFROM, CLOUD, AWS, AWS CLOUD, AWS ENGINEER, ANSIBLE, TERRAFORM, CLOUD SUPPORT, CLOUD INFRASTRUCTURE, DEFENCE, NATIONAL SECURITY, DV CLEARED, DV CLEARANCE, SECURITY CLEARED, SC CLEARANCE, NSD

PLATFROM ENGINEER- EDV CLEARED PLATFROM ENGINEER- Permanent opportunity for a Platform Engineer with active DV Clearance. - Salary up to £90,000 DOE- On site opportunity, with Hamshire based offices - To apply, please call Laura Jackson on , or email with an up-to-date CV. WHO ARE WE?We're hiring for Cloud Engineers to join a top consultancy delivering cutting-edge solutions for industry-leading Defence and National Security clients. You'll have the opportunity to work across multiple high-impact, innovative and mission-critical projects, shaping solutions that make a real difference. Due to the sensitive nature of the work, an active DV Clearance is required. THE PLATFORM ENGINEER- Active DV Clearance - Hampshire Based or ability to travel to Hampshire.- Experience in a DevOps role with strong experience in Kubernetes. PLATFORM ENGINEER ESSENTIAL SKILLS- Strong experience managing and orchestrating containerised environments using Kubernetes.- Hands-on experience with tools such as Terraform, Ansible, ARM templates, or DSC to automate infrastructure deployment and management.- Building and maintaining automated delivery pipelines using tools such as GitLab CI/CD, Jenkins, or GitHub Actions.- Strong systems administration experience across Linux and/or Windows environments- Experience developing automation solutions using languages such as Bash, Python, PowerShell, or PHP TO BE CONSIDERED:Please either apply through this advert or emailing me directly on . For further information please call me: / . By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLSPLATFROM ENGINEER, AZURE, AZURE CLOUD, AZURE ENGINEER, AWS, ANSIBLE, TERRAFORM, LINUX, WINDOWS, CONTAINERISATION, CLOUD SUPPORT, CLOUD INFRASTRUCTURE, DEFENCE, NATIONAL SECURITY, DV CLEARED, DV CLEARANCE, SECURITY CLEARED, NSD

Application Security Architect Onsite in Bracknell Eligible for DV clearance 65-70k per annum + benefits package We are seeking an experienced Security Application Architect to support the delivery and ongoing evolution of a secure Gateway capability for a strategic UK defence customer. This role combines architectural ownership, secure design governance, and operational assurance within a high-security, mission-critical environment. You'll shape technical direction, drive change, and ensure resilient, compliant solution delivery across engineering and support teams. What you'll be doing; Own and design technical changes required to maintain and enhance Gateway capability Produce high-quality design documentation in collaboration with the customer and Programme Manager Support solution governance and architectural integrity Assist in maintaining secure, resilient and scalable infrastructure components across Windows and Linux environments Support monitoring and investigation of communications platforms such as email and XMPP-based chat, including the ability to review underlying conversation data where required for security analysis Contribute to file validation and inspection processes, ensuring transferred files conform to expected formats and security controls Your technical background; Core Infrastructure VMware / vSphere RHEL & Windows Server Microsoft Services Active Directory , including Group Policy (GPO), DNS integration, LDAP directory structures, and directory management/maintenance Resource management of server platforms and optimisation of system performance Trellix / McAfee security platforms SIEM integration , including syslog creation, forwarding and reporting pipelines Email security standards and protocols Linux & Platform Engineering Experience working within Red Hat Enterprise Linux environments Ability to write scripts to automate operational or security processes Familiarity with pattern matching techniques and regular expressions (Regex) , particularly within security or antivirus tooling Configuration and management of the standard RHEL firewall Exposure to Linux-based security tooling and antivirus technologies Gateway Technologies Understanding of Gateway appliances and associated software Knowledge of secure communications protocols , including messaging platforms such as XMPP Security & Web Experience supporting file validation, inspection, and content verification within secure transfer environments If you are interested in discussing this Application Security Architect role further, apply now or send your CV to me at (url removed)

Senior Infrastructure Engineer - Farnborough - Highest Security Clearance Required - 550 - 650 Outside IR35 A growing technology organisation operating within highly secure environments is looking to hire both Mid-Level and Senior Infrastructure Engineers to support and evolve critical infrastructure platforms across complex programmes. These opportunities suit engineers who enjoy working in security-conscious environments where resilience, availability and compliance are central to day-to-day operations. Senior Infrastructure Engineer The senior role is suited to experienced infrastructure engineers capable of leading technical delivery, mentoring others and owning critical infrastructure services. You'll ideally have: Experience designing and delivering secure infrastructure solutions Strong ownership across infrastructure lifecycle management Ability to lead technical problem solving and platform improvement initiatives Experience working within highly secure or mission-critical environments Capability to mentor junior engineers and contribute to technical direction Candidates must demonstrate experience across the following technologies: Windows Server / Domain Services - strong understanding of AD, GPOs, domain architecture VMware - hands-on experience with VCF, NSX, vCenter, SAN integration, and ESXi Hyper-V - practical exposure to virtualisation management and configuration PKI / Encryption - understanding of certificate services, key management, and secure communication Networking - switch configuration, VLANs (including SAN-related VLANs), routing fundamentals Linux - operational capability across common distributions Infrastructure as Code (IaC) & Automation - experience with tools such as Terraform, Ansible, or similar Clearance Due to the sensitive nature of the work, candidates must hold Highest Security Clearance Required to be considered.

Job Title: MDA Security Operations (SecOps) Engineer Clearance: DV required or ability to obtain Location: Portsmouth About the Role We are seeking a hand-on Security Operations (SecOps) Engineer to secure and operate a MoD-hosted private cloud environment and its associated services. You will play a key role in active defence of live services, combining security, vulnerability management, platform hardening, and operational security assurance. You will work across infrastructure, platform and data layers to ensure systems are secure, compliant and resilient within a highly governed environment. Key Responsibilities Monitor and respond to security events, alerts and incidents across cloud, platform, and application layers. Execute vulnerability scanning, patch assurance and configuration compliance checks. Maintain security tooling such as SIEM, EDR, vulnerability scanners, and cloud-native controls. Support ISO 27001 control operation and evidence collection. Ensure compliance with MoD security standards including JSP 440 and SbD requirements. Support internal/external audit, accreditation and remediation activities. Maintain secure configurations, firewall rules, access control policies, and logging standards. Provide security assurance during change, deployment and release activities. Support improvement of SecOps processes, SOPs and monitoring automation. Essential Skills Experience operating within a Security Operations or SecOps function Hands-on experience with SIEM (e.g. ELK), EDR and vulnerability tooling Experience securing Linux and Windows environments Understanding of ISO 27001 and secure configuration principles Experience supporting cloud or virtualised platforms (e.g. VMware) Ability to investigate and respond to security incidents Strong understanding of operational security within governed environments Eligible for DV clearance Desirable Experience in MOD or classified environments Automation experience (Ansible, Terraform, scripting) Experience with Nessus/Tenable or similar tools Familiarity with JSP 440/441/453 and NCSC guidance Role Purpose To deliver security operations for a private cloud platform, ensuring systems are actively monitored, vulnerabilities are managed, and services remain secure, compliant and resilient. Key Responsibilities Security Monitoring & Response Monitor SIEM, EDR and platform telemetry. Investigate alerts and perform incident triage and escalation. Conduct structured incident response activities. Vulnerability & Patch Management Execute vulnerability scans and interpret results. Prioritise remediation based on risk and impact. Track and verify remediation activities. Platform Security Engineering Maintain secure configurations across: VMware / virtualisation platforms. Linux and Windows systems. Network security controls (firewalls, proxies). Support least privilege and zero-trust principles. Security Tooling & Automation Operate and maintain SIEM, EDR and scanning tools. Improve detection rules and alert quality. Contribute to automation of security processes. Compliance & Assurance Support ISO 27001 control operation and evidence collection. Maintain audit trails and configuration baselines. Support JSP 440/441/453 compliance and accreditation. Change & Release Security Assess changes for security impact. Ensure deployments meet security requirements. Support secure-by-design implementation. Documentation & Continuous Improvement Maintain SOPs, runbooks and incident documentation. Contribute to improvement of SecOps processes and tooling. Essential Experience & Skills Experience in Security Operations or SecOps. SIEM, EDR and vulnerability management tooling experience. Strong Linux/Windows security and administration knowledge. Experience securing virtualised or cloud platforms. Understanding of ISO 27001 controls and audit processes. Ability to investigate and resolve security incidents. Awareness of networking and infrastructure security. Desirable MOD or defence environment experience. Knowledge of JSP 440/441/453. Automation/scripting (Python, Bash, PowerShell). Experience with VMware NSX-T, vSphere. Security certifications (CISSP, Security+, GIAC etc.). Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.

Infrastructure Tester x2 Location: Hampshire (Onsite) Duration: 18 Months Clearance: D V Clearance required (Active) Rate: 450 - 550 a day per day - Outside IR35 We are seeking an experienced DV Cleared Infrastructure Tester to join a major secure government programme based on-site in Basingstoke. This is a hands-on testing role focused on validating and assuring complex Zero Trust Infrastructure environments supporting mission-critical services. Working within a highly secure delivery team, you will be responsible for planning, executing and reporting infrastructure testing activities across a range of technologies, ensuring solutions are robust, secure and fit for operational deployment. Key Responsibilities Design and execute infrastructure test plans, test cases and test scripts. Validate Zero Trust architecture components and supporting infrastructure. Perform end-to-end testing across servers, networks, security controls and integrations. Verify deployments, configurations and environment readiness. Identify, document and track defects through to resolution. Support system integration, functional, non-functional and operational testing activities. Work closely with engineers, architects, security specialists and delivery teams. Produce clear test evidence, reports and assurance documentation. Contribute to continuous improvement of testing processes and quality standards. Essential Skills & Experience Active UK DV Clearance. Strong hands-on infrastructure testing experience within secure environments. Experience testing complex enterprise infrastructure solutions. Knowledge of Zero Trust principles and security architectures. Understanding of Windows and Linux server environments. Experience testing network infrastructure, authentication services and security controls. Familiarity with virtualised and cloud-based environments. Strong defect management and test reporting skills. Excellent stakeholder communication and documentation abilities. If you'd like to discuss this Infrastructure Tester role in more detail, please send your updated CV to (url removed) and I will get in touch.

Join Companies House at a pivotal time as we transform our digital services to better support millions of users across the UK. As a Junior DevOps/WebOps Engineer within our Digital and Technology directorate, you'll play a key role in delivering secure, resilient, and high-performing services that underpin the UK company register. You'll be part of a large, diverse, and collaborative engineering community, working in an agile environment alongside software engineers, analysts, and product teams. Together, we support and enhance a wide range of critical internal and customer-facing services, maintaining high levels of service availability and continuously improving how we deliver. This role offers the opportunity to develop your technical skills, contribute to WebOps practices, and support service reliability through monitoring, incident management, and problem-solving. If you are customer-focused, enjoy working as part of a team, and are motivated to learn and grow while contributing to meaningful public services, we encourage you to apply. Why choose Companies House? At Companies house we take a proactive approach to wellbeing by promoting a welcoming culture, healthy work life balance and supporting colleagues to be their best in work because we know people are the key to our success. Our benefits include: Flexible working with no core hours (6am - 8pm flexible options) 30 days annual leave 8 bank holidays & 1 privilege day Enrolment into Civil Service Pension scheme average 28.97% On-site working available for peer led-learning enhancing professional experience and career progression Please note: Companies House cannot offer Visa sponsorship to candidates through this campaign. Security Clearance is an essential requirement for this campaign. You'll need to have been in the UK for at least 3 out of the last 5 years to be eligible to apply for SC. The team for this role is based in Cardiff, and a hybrid contract will be the standard offering for this role. Job description As a Junior DevOps/WebOps Engineer, you will play your part in the IT Services Digital team during a period of significant transformation, supporting the delivery of secure, resilient and high-performing IT services across Companies House systems: Supporting maintenance, upgrades, and continuous service improvements to help ensure systems remain reliable and perform effectively Assisting the team in aligning services with evolving organisational and legislative priorities, including changes introduced through the Economic Crime and Corporate Transparency Act Supporting live services through proactive monitoring and incident resolution to maintain availability and performance Contributing to system upgrades, enhancements, and automation activities as your skills develop Supporting reporting and data management activities to help inform service performance and improvements Assisting with incident management through ServiceNow, contributing to issue resolution and supporting root cause analysis Working as part of a wider team to support the development and improvement of digital services, contributing to transformation and more efficient ways of working Collaborating with colleagues across IT Services, learning from experienced engineers and contributing positively to team development and wellbeing Participating in an on-call rota (where required) to support critical services, with appropriate support and development You can read more about a career in Digital and Data within the Civil Service in the Government Digital and Data Candidate Information Pack. Person specification We are looking for someone who: Is keen to learn and develop, actively building their technical capability Takes proactive steps to get to know the working teams around them, valuing the input from other colleagues and being a positive influence to bring change and improvement in everyday tasks Works collaboratively to support continuous improvement initiatives, values teamwork and knowledge sharing Takes a proactive approach to problem-solving and service improvement Shows an interest in non-functional requirements, such as availability, security, and performance Is adaptable and able to work effectively in a changing technical environment Understands continuous development and delivery to support the ongoing work of the team and delivery of services to customers Is willing to support more experienced team members with ongoing tasks including developing fixes or enhancements Technical skills Has cloud based Unix/Linus environments and database querying (SQL) Awareness or experience of automation and monitoring within a support environment Exposure to cloud-based infrastructure (e.g. AWS or similar), with an understanding of core concepts Knowledge of database querying and investigation (e.g. SQL or similar) Experience or exposure to coding or scripting (e.g. shell, Python, Java, or similar) An awareness of DevOps principles, tools, and ways of working Experience in similar or equivalent technologies will be considered Experience Working collaboratively to support continuous improvement initiatives, values teamwork and knowledge sharing An understanding or practical experience of cloud-based (e.g AWS) Unix/Linux environments, database querying (e.g SQL) with some confidence scripting, automating and monitoring Experience or awareness of supporting systems in a live service environment (e.g ServiceNow), including responding to incidents or alerts An understanding of monitoring and maintaining system performance Experience assisting with data management, reporting and incident resolution Able to make a contribution to system builds, deployments and releases The ability to troubleshoot technical issues and apply logical, methodical problem-solving, including an interest in supporting root cause analysis Good communication skills, with the ability to work effectively as part of a team A customer-focused mindset, with an awareness of the importance of reliable and accessible digital services Behaviours We'll assess you against these behaviours during the selection process: Changing and Improving Working Together Managing a Quality Service Delivering at Pace Technical skills We'll assess you against these technical skills during the selection process: Unix/Linux and SQL Automation and monitoring Cloud-based infrastructure Benefits Alongside your salary of £35,952, Companies House contributes £10,415 towards you being a member of the Civil Service Defined Benefit Pension scheme. Find out what benefits a Civil Service Pension provides. Join Companies House and discover a role that offers more than just a job, with flexibility, career development and a genuinely supportive culture where you can thrive: Flexible working from day one - hybrid working, flexible hours and flexitime A generous, competitive package - including 30 days annual leave + 8 bank holidays + 1 privilege day, plus family leave and sickness provision We invest in your future - funded training, professional qualifications and clear career progression pathways A modern and welcoming workplace - collaboration spaces, on-site facilities and an office you'll enjoy Stand-out location benefits - including free parking in Cardiff and on-site amenities across all locations Wellbeing at the heart of what we do - occupational health support, mental health advocates and wellbeing initiatives Real savings and lifestyle perks - myLifestyle discounts, gym discounts and childcare support A friendly, social and inclusive culture - staff networks, sports and social groups and volunteering opportunities Security you can count on - Civil Service Pension Scheme with employer contributions of around 28% We celebrate diversity As an equal opportunity employer, we celebrate diversity, being committed to ensuring we're representative of the citizens we serve and creating an inclusive environment. Everyone in Companies House brings something different, and so will you. To fulfil our commitment to recruiting and attracting diverse talent we welcome applications from underrepresented groups. We also welcome applications from Welsh speakers. We are proud to be a disability confident leader. Our recruitment process is fully inclusive and we can make adjustments as needed through our process. These could include having an interview buddy, extra time at interviews/assessments and receiving interview questions in advance, to name a few. If you require any reasonable adjustments at application stage, or if you'd like to discuss any person-centred adjustments, please contact us by emailing . Read our 'Applying under the Disability Confidence Scheme (DCS)' guide to find out how to successfully complete an application under the Disability Confidence Scheme (DCS). Where will you be working? This role is based in our Cardiff office, aligned with the key duties for this role. . click apply for full job details

Infrastructure Tester x2 Location: Hampshire (Onsite) Duration: 18 Months Clearance: D V Clearance required (Active) Rate: 450 - 550 a day per day - Outside IR35 We are seeking an experienced DV Cleared Infrastructure Tester to join a major secure government programme based on-site in Basingstoke. This is a hands-on testing role focused on validating and assuring complex Zero Trust Infrastructure environments supporting mission-critical services. Working within a highly secure delivery team, you will be responsible for planning, executing and reporting infrastructure testing activities across a range of technologies, ensuring solutions are robust, secure and fit for operational deployment. Key Responsibilities Design and execute infrastructure test plans, test cases and test scripts. Validate Zero Trust architecture components and supporting infrastructure. Perform end-to-end testing across servers, networks, security controls and integrations. Verify deployments, configurations and environment readiness. Identify, document and track defects through to resolution. Support system integration, functional, non-functional and operational testing activities. Work closely with engineers, architects, security specialists and delivery teams. Produce clear test evidence, reports and assurance documentation. Contribute to continuous improvement of testing processes and quality standards. Essential Skills & Experience Active UK DV Clearance. Strong hands-on infrastructure testing experience within secure environments. Experience testing complex enterprise infrastructure solutions. Knowledge of Zero Trust principles and security architectures. Understanding of Windows and Linux server environments. Experience testing network infrastructure, authentication services and security controls. Familiarity with virtualised and cloud-based environments. Strong defect management and test reporting skills. Excellent stakeholder communication and documentation abilities. If you'd like to discuss this Infrastructure Tester role in more detail, please send your updated CV to (url removed) and I will get in touch.

Principal Network Engineer Permanent | £70,000 - £100,000 | Bristol (Hybrid) We are seeking a Principal Network Engineer to join an advanced engineering team building secure and resilient communications systems. You will design distributed network architectures, develop secure connectivity solutions, and provide technical leadership across complex networking projects. Key Responsibilities Design and implement scalable network architectures Develop secure overlay and software-defined networking solutions Own routing, traffic engineering, and network performance Build network observability and monitoring capabilities Produce architecture documentation and provide technical leadership Collaborate with stakeholders to deliver robust networking solutions Skills & Experience Strong networking fundamentals including routing and L2/L3 technologies Experience with overlay networking and VPN technologies Strong Linux networking knowledge Experience with automation and infrastructure-as-code Familiarity with secure network architectures and PKI Ability to lead technically while remaining hands-on Must be eligible for SC clearance Desirable Experience with wireless or distributed networking environments Background in telecommunications, defence, or critical infrastructure Knowledge of network telemetry and observability platforms

About the Role We are seeking an experienced Senior Platform Engineer to join a high-performing technology team responsible for designing, building, and maintaining secure, scalable, and reliable cloud platform solutions. The successful candidate will play a key role in managing AWS-based infrastructure, implementing automation and CI/CD pipelines, supporting API platform services, and driving engineering best practices across the organisation. This role requires close collaboration with development, infrastructure, architecture, and product teams to deliver robust platform solutions and improve software delivery processes. Clearance: Must have active Security Clearance. Key Responsibilities Design, build, maintain, and optimise cloud-based platform solutions within AWS environments. Monitor, manage, and enhance platform reliability, performance, and security. Develop and maintain Infrastructure as Code (IaC) using CloudFormation and/or Terraform. Build and manage CI/CD pipelines using Jenkins and GitHub Actions. Support application deployments and operational activities across multiple environments. Work closely with development and infrastructure teams to understand requirements and implement scalable solutions. Contribute engineering expertise to architecture and strategy discussions. Document platform procedures, standards, and operational processes. Troubleshoot complex infrastructure, deployment, networking, and application issues. Drive automation initiatives to improve software delivery and operational efficiency. Essential Skills & Experience Proven experience as a Senior Platform Engineer or similar role. Strong AWS cloud experience, including services such as EC2, API Gateway, Network Load Balancers (NLB), Auto Scaling Groups (ASG), and related platform services. Strong hands-on experience with the Kong Konnect API Platform. Experience with Infrastructure as Code (IaC) using CloudFormation and/or Terraform. Strong Scripting and automation experience. Experience building and maintaining Jenkins pipelines, including multibranch pipelines and Groovy Scripting. Experience with GitHub Actions and CI/CD automation. Hands-on experience with Docker and Kubernetes. Strong Linux administration and troubleshooting skills. Experience with Python Scripting and debugging. Knowledge of Chef configuration management. Strong troubleshooting skills across web services, cloud infrastructure, and deployment pipelines. Understanding of networking concepts including DNS, TLS, routing, VPNs, and edge platforms such as Cloudflare. Preferred Experience Experience working in Agile delivery environments. Experience collaborating with product managers, analysts, designers, and engineering teams. Experience supporting large-scale enterprise platforms and cloud-native environments. Experience driving automation and continuous improvement initiatives.

NOC Operations Manager Circa £65k - £70k + 20% Bonus Fully Remote based (UK) with occasional travel to Milton Keynes and customer sites - Driving Licence is essential About the Opportunity We are looking for an experienced NOC Operations Manager to lead our Network Operations Centre team and support the delivery of high-quality managed services across a complex, multi-platform infrastructure environment. This is a hands-on leadership role, combining team management with deep technical expertise across Linux, Windows Server, networking, virtualisation, security, and business-critical infrastructure. You'll play a key role in maintaining service availability, driving operational excellence, and supporting customers across a range of industries. Key Responsibilities Lead and develop the NOC team, ensuring operational excellence and customer satisfaction. Manage and optimise Linux, Windows Server and Windows 11 environments. Administer and maintain VMware ESXi virtualised infrastructure. Implement and support high availability and load-balancing solutions. Configure and troubleshoot networking technologies including DNS, routing and Firewalls. Manage web services and Proxy technologies including Apache, NGINX and Squid. Oversee backup, recovery and disaster recovery processes using Veeam. Manage endpoint security and device compliance through Microsoft Intune. Maintain server infrastructure and secure remote access solutions. Create and maintain technical documentation, operational procedures and system standards. Support continuous improvement, automation and infrastructure optimisation initiatives. Participate in an on-call rota to support critical incidents and service continuity. Essential Skills & Experience 10+ years' experience in systems engineering, infrastructure operations or NOC environments. Strong expertise across Linux, Windows Server and Windows 10/11 platforms. Advanced VMware ESXi administration experience. Strong networking knowledge including DNS, load balancing, routing and troubleshooting. Experience with Veeam backup and disaster recovery solutions. Experience managing Apache, NGINX, Squid or similar web technologies. Scripting and automation experience. Strong understanding of infrastructure security, system hardening and access control. Proven experience leading and developing technical teams. Excellent problem-solving, communication and stakeholder management skills. Desirable Qualifications VMware Certified Professional (VCP) or equivalent. Microsoft Certified: Azure Administrator or related certifications. Experience within finance, manufacturing or retail sectors. Eligibility to obtain Security Clearance (SC) What You'll Bring Strong leadership and team management skills. A hands-on, solutions-focused approach. Excellent organisational and prioritisation abilities. The ability to thrive in a remote-first environment while managing multiple priorities. A commitment to delivering reliable, secure and customer-focused services. Due to the volume of applications received for positions, it will not be possible to respond to all applications and only applicants who are considered suitable for interview will be contacted. Proactive Appointments Limited operates as an employment agency and employment business and is an equal opportunities organisation We take our obligations to protect your personal data very seriously. Any information provided to us will be processed as detailed in our Privacy Notice, a copy of which can be found on our website

Senior Security Engineer Onsite in Bracknell & the South Eligible for DV clearance 60-70k per annum + benefits package We are recruiting for a Senior Security Engineer to join a specialist cyber security programme supporting a highly secure and business-critical environment. This is a hands-on technical role that would suit an infrastructure, security, systems or application engineer looking to develop further into architecture. You'll work across the full lifecycle of solutions, from design and implementation through to support, troubleshooting and continuous improvement. The role sits within a collaborative team of architects, engineers and support specialists delivering secure gateway technologies and associated infrastructure services. What You'll Be Doing Supporting the design, implementation and ongoing enhancement of secure gateway solutions Producing technical designs and documentation for customer-driven change requests Working closely with Solution Architects, Engineering Leads and operational support teams Supporting service availability, resilience and security improvements Troubleshooting complex infrastructure and application issues Assisting SOC and 3rd Line teams with incident investigation and resolution Managing and maintaining directory services, messaging systems and gateway technologies Creating scripts and automation to improve operational efficiency Supporting the full change lifecycle from design through deployment and support Key Technical Skills We're particularly interested in candidates with experience in several of the following areas: Infrastructure & Platforms VMware vSphere Windows Server Red Hat Enterprise Linux (RHEL) Active Directory DNS Group Policy (GPO) Remote Desktop Services (RDS) Security Trellix / McAfee technologies SIEM platforms Syslog reporting and integration Antivirus technologies TLS certificates and PKI concepts Secure gateway technologies Linux & Scripting Linux administration Shell scripting Regular Expressions (Regex) Firewall configuration and management Directories & Messaging LDAP directory services LDIF Email protocols and standards Chat and messaging technologies (XMPP desirable) Data & Integration XML JSON schema File format validation and analysis Web protocols If you are interested in discussing this Security Design Engineer role further, apply now or send your CV to me at (url removed)