Claranet Limited

Position Summary The Infrastructure Engineer (L4) is the Hosting team's subject matter expert for VMware NSX-T and platform networking, and a well-rounded engineer across the wider VMware private cloud stack. The role owns NSX-T design standards, escalation and capability uplift within the team, while contributing to the day-to-day engineering and operation of the full private cloud estate - vSphere, vSAN, VCF, backup and disaster recovery - for customers with demanding availability and recovery expectations. Role Mission Claranet's strategy is to build long term, trusted relationships with customers by delivering secure, resilient, and high quality managed services. The Senior Infrastructure Engineer underpins this mission by ensuring critical infrastructure services are engineered, operated, and evolved to meet stringent regulatory, availability, and recovery expectations. Essential Roles & Responsibilities Infrastructure Engineering Design, implement, and support complex infrastructure solutions across on - premises, private cloud (VMware) environments including VMware NSX-T Lead planning, execution and disaster recovery activities from a VMware platform and networking perspective. Ensure infrastructure services are available, performant, and operating as designed Support the team to operate enterprise - grade backup, recovery, and data protection solutions, ensuring alignment with RPO/RTO requirements Senior Technical Leadership Act as the recognised NSX-T authority within the Hosting team Own NSX-T design standards, reference architectures, patterns and build documentation Deliver structured knowledge transfer, training and mentoring to raise NSX-T capability across the team, reducing single-person dependency Represent platform networking in design authority, change advisory and architecture forums Own the NSX-T upgrade and lifecycle roadmap across the estate Lead root cause analysis for major incidents Financial Services & Regulatory Compliance Ensure infrastructure and backup services comply with financial services regulations and frameworks (e.g. FCA, PRA, DORA, ISO 27001, SOC) Design and operate solutions that support operational resilience, business continuity, and disaster recovery Support regulatory audits, customer assurance activities, and risk assessments Position Specifications Behavioural Competencies - Organisational & Behavioural Fit Senior technical presence with confidence and gravitas Calm, methodical, and decisive under pressure Strong sense of ownership and accountability Excellent communicator with technical and non - technical audiences Critical Competencies - Technical Fit Essential: Proven experience as a senior infrastructure engineer supporting VMware mission - critical environments Deep, hands-on experience designing, implementing and operating VMware NSX-T / NSX 4.x in production, including Tier-0 and Tier-1 gateways, edge nodes and edge clusters, segments and overlay/VLAN transport zones, and NSX Manager lifecycle and upgrades Distributed Firewall and micro-segmentation policy design, plus gateway firewalling and NAT Dynamic routing and peering between NSX and physical fabric (BGP, ECMP, VRF), and NSX load balancing / IPsec & L2 VPN Troubleshooting overlay networking end to end (Geneve/TEP, MTU, uplink profiles, traceflow, packet capture) Strong understanding of operational resilience, DR, and business continuity requirements Shift & Working Pattern: Standard business hours, with participation in an on call rota (1 in 4, compensated) Benefits At Claranet, we go the extra mile with our people-because we believe in building a workplace where everyone feels valued and supported. Our flexible benefits package includes: Pension Scheme: Employer-matched contributions to help you plan for the future. Comprehensive Healthcare Coverage: Access to private medical care for your peace of mind and wellbeing. Discounted Gym Memberships: Prioritise your fitness with exclusive rates at leading gyms. Personalised Wellbeing Support: App-based resources and services available 24/7 Enhanced Annual Leave: 25 days of holiday, increasing to 27 days with service, plus bank holidays and a day off for your birthday. Continuous Learning & Development: Ongoing opportunities to grow your skills and advance your career. What makes us unique is Team Claranet , our internal community that supports causes close to our employees' hearts. We offer paid charity leave, support local charities across our offices, and host annual fundraising events, all backed by a dedicated committee. We're proud founding members of TC4RE (Technology Community for Racial Equality) working collectively to build a more diverse and inclusive tech industry. About Claranet Founded at the beginning of the dot com bubble in 1996, our CEO Charles Nasser had a light bulb moment to develop a truly customer-focused IT business. Since then, Claranet has grown from an Internet Service Provider (ISP) in the UK to being one of the leading business modernisation experts, who deliver solutions across 11+ countries. Equal Opportunities Statement Diversity, equity and inclusion are at the heart of what we value as an organisation. Claranet is an equal opportunities employer and all qualified applicants will receive consideration for employment without regard to race, religion, sex, sexual orientation, age, disability or any other status protected by law. Our recruitment team are happy to support any reasonable adjustments that are needed within the recruitment process. Ready to take the next step in your career with Claranet? Click 'apply' - we can't wait to meet you! To view full job description please visit our careers page

SOC Automation Engineer As a SOC Automation Engineer, you will apply hands-on engineering expertise to design, build, and optimise automation workflows that improve the scalability and efficiency of SOC services. Working across SIEM, endpoint, and orchestration platforms (primarily Palo Alto XSOAR), you will reduce analyst workload, accelerate incident response, and enhance decision-making across customer environments. Key Responsibilities Automation Development - Design, build, and maintain scalable automation workflows across detection and response platforms. Integration & Orchestration - Deliver cross-platform automation enabling fast, reliable response actions. Lifecycle Management - Develop, deploy, and continuously optimise automation for performance, resilience, and coverage. Collaboration & Requirements Gathering - Work with SOC and engineering teams to identify automation opportunities. Documentation - Produce clear documentation to support delivery, troubleshooting, and continuous improvement. Automation Planning - Contribute to automation roadmaps, threat modelling, and use case development. Pre-Sales Support - Assist with demos, scoping, and proof-of-value activities where required. Core Duties Automation Design & Development Build and maintain workflows across SIEM, EDR, and SOAR platforms Develop reusable scripts, templates, and components Ensure solutions support secure, multi-tenant environments Integration & Response Automation Orchestrate containment, enrichment, and remediation actions Integrate with threat intelligence, cloud, vulnerability, and reporting tools Partner with analysts to map and automate response processes Lifecycle Management & Optimisation Manage automation from design through to optimisation Troubleshoot failures and refine logic Use post-incident insights to improve workflows Documentation & Standards Maintain clear documentation of workflows, dependencies, and error handling Ensure consistency and usability for wider teams Strategic Contribution Support use cases aligned to threat modelling and MITRE ATT&CK Contribute to automation playbooks and response strategies Stay current with tools, frameworks, and emerging threats Collaboration Embed automation into SOC workflows Share best practices and support team development Pre-Sales Support workshops, onboarding, and solution design where needed Stakeholder Collaboration SOC Analysts - Automate repeatable triage and response activities Platform & Detection Engineers - Integrate automation into tooling and detections Sales & Pre-Sales - Provide technical input for customer solutions Requirements 2+ years' experience in SOC, automation, or cloud security engineering Experience in managed services or multi-tenant environments Strong experience building automations across SIEM, SOAR, or EDR platforms Proficiency in scripting (e.g., Python, PowerShell) Experience working with APIs, webhooks, and authentication methods Knowledge of threat frameworks (e.g., MITRE ATT&CK) Understanding of cloud security, identity, and event-driven automation Strong communication and analytical skills Security clearance (NPPV and/or SC) may be required. Technical Knowledge Security orchestration and automation principles Scripting and integration patterns (APIs, webhooks) SOC detection and response workflows Threat intelligence integration and use case design Cloud and identity security concepts Multi-tenant automation design Certifications Essential: Hands-on experience with Palo Alto XSOAR Desirable: Palo Alto Networks Certified XSOAR Engineer Palo Alto Networks Certified Security Automation Engineer (PCSAE) Palo Alto Networks Security Operations Professional

The Role Claranet's Strategic Customer Success Managers (SCSM) are responsible for the larger strategic customer relationships of Claranet's customer base. Strategic Customer Success Managers own the customer experience ensuring the efficient and effective provision of these services to meet their assigned customer's needs. SCSM's lead and build strong partnerships with their customers and are able to proactively drive forward customer improvement across all aspects of the customer relationship, engagements, and contract obligations. They will be acutely aware of the P & L for the customers being managed by them and are able to own and lead discussions within the Claranet Business Units that delivers against the business unit commitments. SCSM's will always ensure that Claranet stays at the leading edge of the customer experience. All activity should be in the interest of customer growth, knowledge and ensures that the Customer solution continues to evolve and reflect the customers future their business needs within their respective marketplace. Key Responsibilities Own the relationship with one or more of Claranet's larger strategic customers contracted services across Claranet's portfolio of Hosting, Network, Communications and Security services Accountable for successful delivery of all clients contracted services Be able to manage multi-level customer engagement that maximises the relationship and knowledge of the customer Organise and chair weekly/monthly/quarterly service review meetings (face to face, voice to voice and via portal as required) Support the Director of Customer Success to drive Customer Success Strategy, undertaking elements of the delivery of key projects when requested Working with the Director of Customer Success to ensure the right stakeholder engagement which supports the strategic direction of Customer Success, their strategic outcomes and wider strategic direction of Claranet Lead the production of weekly/monthly/quarterly governance reports to demonstrate adherence to Service Level Agreements, provide recommendations for service and commercial improvements ensuring appropriate capacity on current solution and identify and opportunities for growth Drive and own the recommendations for change in line with service reviews, monitor the challenge internally and externally with the customers to ensure that commitments are appropriate and managed to resolution Establish and maintain successful long-term partnerships with multiple customers, noting that these are subject to change based on customers solution delivery "peaks and troughs" Manage to financial targets through customer P & L and is able to lead and direct to the benefit of the contract commitments Drives measurable continuous service improvement and manage service improvement plans where appropriate Produce and manage appropriate documentation for bespoke support requirements in the form of bid material and Service Statement of Work Experience of enterprise technology stack including Cloud, Data, Workplace, AI, Digital Applications, and Cyber Skills and Attributes Flexible and creative to take considered risks Learn and adapt quickly to changing situations Self-motivated and able to work under pressure Ability to travel to different sites and locations on a weekly basis Manages conflict and challenges in an open and constructive manner Ability to work flexible hours when required. Benefits At Claranet, we go the extra mile with our people-because we believe in building a workplace where everyone feels valued and supported. Our flexible benefits package includes: Pension Scheme: Employer-matched contributions to help you plan for the future. Comprehensive Healthcare Coverage: Access to private medical care for your peace of mind and wellbeing. Discounted Gym Memberships: Prioritise your fitness with exclusive rates at leading gyms. Personalised Wellbeing Support: App-based resources and services available 24/7 Enhanced Annual Leave: 25 days of holiday, increasing to 27 days with service, plus bank holidays and a day off for your birthday. Continuous Learning & Development: Ongoing opportunities to grow your skills and advance your career. What makes us unique is Team Claranet , our internal community that supports causes close to our employees' hearts. We offer paid charity leave, support local charities across our offices, and host annual fundraising events, all backed by a dedicated committee. We're proud founding members of TC4RE (Technology Community for Racial Equality) working collectively to build a more diverse and inclusive tech industry. About Claranet Founded at the beginning of the dot com bubble in 1996, our CEO Charles Nasser had a light bulb moment to develop a truly customer-focused IT business. Since then, Claranet has grown from an Internet Service Provider (ISP) in the UK to being one of the leading business modernisation experts, who deliver solutions across 11+ countries. Equal Opportunities Statement Diversity, equity and inclusion are at the heart of what we value as an organisation. Claranet is an equal opportunities employer and all qualified applicants will receive consideration for employment without regard to race, religion, sex, sexual orientation, age, disability or any other status protected by law. Our recruitment team are happy to support any reasonable adjustments that are needed within the recruitment process. Ready to take the next step in your career with Claranet? Click 'apply' - we can't wait to meet you! To view full job description please visit our careers page

Role Our Data Centre Engineers are responsible for the lifecycle of all managed hardware hosted within Claranet UK Data Centres, remote assistance for colocation customers and supporting facility operations to ensure maximum uptime. You will be based at our Hoddesdon Data Centre (EN11) with travel to other UK sites as required. This role comprises of several day-shifts which operate between the hours of 7:00am to 7:00pm Monday to Friday. The day-shifts are rostered on a rotational basis with each engineer working 37.5hrs/week. You will also be required to form part of an on-call rota, covering escalations outside of the above hours. On-call and overtime are claimed in addition to your base salary, in-line with company policy. As part of the role, you will be required to work closely with the Delivery, Support and Change teams to facilitate the installation and support of customer and Claranet equipment to the highest possible standards. You will also be responsible for the decommissioning of equipment at the end of its life and the administration required in updating and maintaining records for all live and retired assets. You will be required to meet and assist Claranet customers and visiting engineers with the installation and support of services, presenting yourself as a professional public face of Claranet at all Data Centre sites. You will be required to review and maintain site security and access control at all times, working closely with the security team to maintain our existing quality and security certifications which include ISO9001 and ISO27001 Essential Roles & Responsibilities Troubleshooting and repair of hardware faults and the installation of spares or components as required Provide hands and eyes services to all Claranet departments and external customers Installation and decommission of managed equipment within the Data Centres and external customer sites Performing routine maintenance on server and network equipment to maintain maximum uptime of customer environments Accepting and taking ownership of fault escalations from internal teams Make regular physical checks of the Data Centre facilities and assist with the production of monthly statistics Documentation of Data Centre equipment, service configuration and hardware solutions Carry out physical checks and audits as required by the business and its customers The management and control of Claranet assets Manage and maintain Data Centre security by allowing only authorised personnel access to the Data Centre facilities Update and maintain Claranet databases following all changes to equipment or assets Position Specifications Essential: At least 1-year prior experience working for an Internet/Data Centre service provider, managed services provider or large corporation supporting server hardware Full UK manual driving licence Experience installing and troubleshooting server hardware, components and firmware Experience installing and physically troubleshooting firewalls, switches and routers A demonstrable passion for delivering exceptional customer service Demonstrable problem-solving and troubleshooting skills Ability and drive to create and maintain up-to-date documentation Ability to follow complex instructions for unfamiliar tasks You will be expected to communicate with corporate clients via telephone, tickets, email and face-to-face and should therefore possess excellent verbal and written communication skills Ability to work alone, under own initiative considering the safety of themselves and others at all times Ability to dynamically assess and reduce/mitigate risk to service and safety Highly Desirable: Experience working within Data Centres, installing equipment in data racks and an appreciation of how power and cooling operates in such environments Copper and fibre cabling - types, installation, termination Benefits At Claranet, we go the extra mile with our people-because we believe in building a workplace where everyone feels valued and supported. Our flexible benefits package includes: Pension Scheme: Employer-matched contributions to help you plan for the future. Comprehensive Healthcare Coverage: Access to private medical care for your peace of mind and wellbeing. Discounted Gym Memberships: Prioritise your fitness with exclusive rates at leading gyms. Personalised Wellbeing Support: App-based resources and services available 24/7 Enhanced Annual Leave: 25 days of holiday, increasing to 27 days with service, plus bank holidays and a day off for your birthday. Continuous Learning & Development: Ongoing opportunities to grow your skills and advance your career. What makes us unique is Team Claranet , our internal community that supports causes close to our employees' hearts. We offer paid charity leave, support local charities across our offices, and host annual fundraising events, all backed by a dedicated committee. We're proud founding members of TC4RE (Technology Community for Racial Equality) working collectively to build a more diverse and inclusive tech industry. About Claranet Founded at the beginning of the dot com bubble in 1996, our CEO Charles Nasser had a light bulb moment to develop a truly customer-focused IT business. Since then, Claranet has grown from an Internet Service Provider (ISP) in the UK to being one of the leading business modernisation experts, who deliver solutions across 11+ countries. Equal Opportunities Statement Diversity, equity and inclusion are at the heart of what we value as an organisation. Claranet is an equal opportunities employer and all qualified applicants will receive consideration for employment without regard to race, religion, sex, sexual orientation, age, disability or any other status protected by law. Our recruitment team are happy to support any reasonable adjustments that are needed within the recruitment process. Ready to take the next step in your career with Claranet? Click 'apply' - we can't wait to meet you! To view full job description please visit our careers page

Essential Roles & Responsibilities Please note this role requires strong Netskope experience, involving migrations/transformations/implementations at Engineering level. Diagnose and resolve complex incidents across SDWAN, WAN, LAN/WLAN, VPN/SASE, and load-balancing platforms, ensuring compliance with financial services regulations Implement network configuration changes using approved templates and security baselines, maintaining audit trails Validate device configurations, firmware posture, and compliance with golden standards and sector-specific requirements Support onboarding of new sites/services using Zero-Touch Provisioning (ZTP) and Infrastructure-as-Code pipelines Manage routing policies, QoS, wireless performance tuning, and load balancer configuration updates Collaborate with vendor management teams on escalated transport or device issues, ensuring regulatory requirements are met Contribute to CMDB enrichment through topology validation and asset reconciliation Support automated impact assessments and change risk analysis, with a focus on operational resilience Participate in continuous service improvement (CSI) initiatives, such as monitoring optimisation and capacity analysis Provide technical guidance and mentoring to Level 2 engineers Financial Services & Regulatory Compliance Ensure all network operations adhere to financial services regulations and frameworks (e.g., FCA, PRA, DORA, ISO 27001, SOC) Maintain documentation and audit trails for all changes, incidents, and compliance activities Support risk assessments, compliance reviews, and operational audits as required Integrate regulatory requirements and security controls into network designs and operations Governance & Reporting Maintain accurate incident, request, and change records in ServiceNow Produce and present operational reports, dashboards, and summaries for internal and customer stakeholders, highlighting compliance, risk management, and performance Support governance initiatives including process improvement, risk analysis, and post-implementation reviews Key Skills Advanced routing & switching (BGP/OSPF, ACLs, NAT) SDWAN technologies (e.g. Fortinet, Cisco) Wireless LAN operations and performance tuning Familiarity with F5 or equivalent load-balancing platforms Exposure to automation or scripting (Python, Terraform, Ansible) Strong troubleshooting and analytical skills Experience with network compliance, configuration management, and infrastructure documentation Familiarity with automation frameworks and CI/CD for network configuration (Python, Terraform, Ansible) Behavioural Competencies - Organisational & Behavioural Fit Essential: 4+ years' hands-on experience in network engineering, including advanced support and implementation for regulated/financial environments Strong understanding of network principles, design, operational environments, and compliance requirements Proven experience with complex incident resolution, change management, and performance optimisation Experience with data centre network technologies, cloud and security services (Azure, AWS, Load Balancing, DNS) Effective under pressure; strong written and verbal communication Familiarity with ITSM workflows, SDWAN/VPN concepts, and ServiceNow SASE management (Fortinet / Netskope) Fluent written and spoken English is essential. The role requires the ability to produce audit ready documentation and communicate confidently with senior and executive level stakeholders Highly Desirable: Experience in managed service or telecom environments, especially for financial services clients Hands-on provisioning/troubleshooting with Voice technologies (Avaya, Cisco Call Manager) Relevant certifications (CCNP, Fortinet NSE5/7, Meraki ECMS2, F5) Experience with SolarWinds, Infoblox, Zero-Touch Deployment, automation tools Critical Competencies - General Fit Personal Attributes: Technical leader and mentor, passionate about advanced troubleshooting and optimisation Strong compliance and risk awareness, with attention to regulatory detail Shift & Working Pattern: Standard business hours, with participation in an oncall rota as required Occasional weekend engineering coverage will be required, typically limited to a small number of planned weekends per year, to support business continuity, resilience testing, or disaster recovery activities

Position Summary As a SOC Shift Lead, you build on your solid experience as a SOC Analyst by supervising and guiding a team of SOC Analysts during your assigned shift. You ensure quality and consistency across all alerts and incidents handled by the team while serving as the primary point of escalation. In this role, you support team development, drive process improvements, and maintain clear, customer-centric communication with all stakeholders. You also lead quality assurance efforts and ensure that service-level agreements (SLAs) are met. Objectives & Key Results Key Responsibilities Shift Leadership and Team Coordination - You run shift operations, ensuring compliance with SLAs and maintaining high-quality incident handling. You set shift agendas, balance workloads, and promptly address any process or staffing issues. You also maintain effective, customer-centric communication with internal teams (including Security Optimisation and Engineering), customers, and their incident response partners Incident Triage and Investigation - You review and prioritise new alerts, taking initial ownership of high-priority or complex incidents, and ensure proper escalation to customers and Senior SOC Analysts. You make sound, data-driven decisions to facilitate effective triage, investigation, and escalation in line with operational standards Quality Assurance and Documentation - You conduct regular quality assurance (QA) of tickets to ensure SOC procedures and documentation standards are met, providing clear, constructive feedback to team members to improve technical skills and workflow consistency Collaboration and Mentorship - You mentor SOC Analysts in your team by offering regular, constructive feedback on triage processes and best practices. You encourage targeted training initiatives, including relevant certifications, to support career progression within the SOC Service Improvement - You contribute to ongoing service improvement through participation in supporting threat hunting activity led by Senior SOC Analysts, rule tuning, and process refinement initiatives. You assist in monthly reporting and post-incident reviews to drive improvements that reflect our commitment to transparent and reliable performance Required Qualifications & Experience You may be required to hold or obtain UK Non-Police Personnel Vetting (NPPV) and/or a Security Check (SC) clearance as part of this role Willingness to work towards or obtain intermediate cybersecurity certifications (e.g. SBT BTL2, CREST Registered Intrusion Analyst) Proficiency with SIEM platforms, endpoint security tools, and ticketing systems, with an ability to make clear, data-driven decisions under pressure Critical Competencies - Technical Fit Operating Systems - Possess detailed knowledge of Windows and Linux system architectures, with a clear understanding of how event logs (e.g., Windows Event Viewer, Syslog) reflect system security posture Networking and Protocols - Have a comprehensive understanding of TCP/IP, DNS, DCHP, VPNs, SSL/TLS, and network forensics concepts to validate network-based alerts and anomalies Cybersecurity Frameworks - Deeply understand and be able to articulate the elements of the MITRE ATT&CK framework, and Cyber Kill Chain; know how adversary tactics and techniques translate into observable indicators SIEM and Security Tools - Know the theoretical underpinnings of SIEM operations, including alert correlation, the design of automated detection rules, and the interpretation of aggregated security data Incident Triage - Understand the principles behind effective triage, including the rationale for using standardised playbooks and the criteria for escalating incidents without undertaking complex forensic analysis Threat Intelligence Integration - Be knowledgeable about the role and structure of threat intelligence - how feeds are sourced, what constitutes actionable information, and how malware indicators are defined Scripting and Automation - Understand the concepts behind using scripting for automating regular data extraction and log analysis, and the benefits such tools being to maintaining consistency in alert handling Benefits At Claranet, we go the extra mile with our people-because we believe in building a workplace where everyone feels valued and supported. What makes us unique is Team Claranet , our internal community that supports causes close to our employees' hearts. We offer paid charity leave, support local charities across our offices, and host annual fundraising events, all backed by a dedicated committee. We're proud founding members of TC4RE (Technology Community for Racial Equality) working collectively to build a more diverse and inclusive tech industry. About Claranet Founded at the beginning of the dot com bubble in 1996, our CEO Charles Nasser had a light bulb moment to develop a truly customer-focused IT business. Since then, Claranet has grown from an Internet Service Provider (ISP) in the UK to being one of the leading business modernisation experts, who deliver solutions across 11+ countries. Equal Opportunities Statement Diversity, equity and inclusion are at the heart of what we value as an organisation. Claranet is an equal opportunities employer and all qualified applicants will receive consideration for employment without regard to race, religion, sex, sexual orientation, age, disability or any other status protected by law. Our recruitment team are happy to support any reasonable adjustments that are needed within the recruitment process. Ready to take the next step in your career with Claranet? Click 'apply' - we can't wait to meet you! To view full job description please visit our careers page