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Contractor 44
security infrastructure engineer

44 security infrastructure engineer jobs found

CL
Feb 13, 2026  
Security Infrastructure Engineer
Security Infrastructure Engineer +6 months + +Hybrid in Corsham +Inside IR35 +£500 - £575 a day +SC / DV cleared role Skills: +SC / DV clearance +Vmware +Linux +Cyber Security +MOD experience We are seeking an experienced Security Infrastructure Engineer to support the Security Team in the installation, configuration, maintenance, and update of servers and software components. Working closely with the Project Manager (PM), Technical Design Architect (TDA), Security Assurance Coordinator (SAC), and wider engineering teams, you will play a key role in delivering compliant, accredited, and secure infrastructure solutions within a complex defence environment. Key Responsibilities Support the installation, configuration, administration, and maintenance of secure infrastructure and software components. Work with the PM, TDA, and engineering teams to produce system security engineering designs, solutions, and documentation. Act as the primary security engineering...
IR35 Status:
Inside IR35

CV-Library Corsham, Wiltshire Contractor
CL
Feb 12, 2026  
Security Infrastructure Engineer - SC Cleared
Security Infrastructure Engineer +6 months + +Hybrid in Corsham +Inside IR35 +£500 - £580 a day +SC / DV cleared role Key Skills: +SC / DV clearance +Vmware +Linux +Cyber Security +MOD experience Security Infrastructure Engineer to support the Security Team in the installation, configuration, maintenance, and update of servers and software components. Working closely with the Project Manager (PM), Technical Design Architect (TDA), Security Assurance Coordinator (SAC), and wider engineering teams, you will play a key role in delivering compliant, accredited, and secure infrastructure solutions within a complex defence environment. Responsibilities Support the installation, configuration, administration, and maintenance of secure infrastructure and software components. Work with the PM, TDA, and engineering teams to produce system security engineering designs, solutions, and documentation. Act as the primary security engineering conduit between PM, SAC, TDA, and...
IR35 Status:
Inside IR35

CV-Library Corsham, Wiltshire Contractor
CL
Feb 15, 2026  
Lead Enterprise Architect
Our client, a leading organisation in the Defence & Security sector, is currently seeking a Lead Enterprise Architect to join their team on a contract basis. This role involves working on high-profile programmes where your expertise in IT architecture and governance will be vital in driving strategic business initiatives. Key Responsibilities: Lead the development and governance of enterprise architecture across multiple programmes and domains Define and evolve architecture principles, standards, and frameworks aligned with business strategy and technology roadmaps Shape and lead the enterprise architecture strategy for the Line of Business (LoB), contributing to divisional and corporate planning Provide authoritative technical leadership across infrastructure, cloud, data, applications, and security domains Chair Product Design Reviews across the Engineering Unit and LoB, ensuring alignment with strategic goals Lead original research, capability development, and technology...
IR35 Status:
Unknown Status

CV-Library Reading, Berkshire Contractor
CL
Feb 15, 2026  
DV Cleared Senior Network Engineer
Job Title: DV Cleared Senior Network Engineer Location: Cambridgeshire with Travel to other sites when required Duration: 6 months with possible extension Rate: Up to £700 per day via an approved umbrella company Must be willing and eligible to go through the DV Clearance process Our client, a reputable organisation supporting UK defence, is hiring for a Senior Network Engineer to join their team primarily based in Cambridgeshire. This is a fantastic opportunity for a skilled network professional to contribute to critical infrastructure projects and ensure the resilience of vital networks. What you'll be doing: Acting as a Subject Matter Expert (SME) and design engineer for network upgrades and future developments Developing comprehensive design documentation, including SDRs, HLDs, LLDs, and test plans Building and configuring network hardware to meet design specifications Providing expertise on network obsolescence, proposing hardware replacements, and assessing risks...
IR35 Status:
Unknown Status

CV-Library Cambridgeshire, UK Contractor
CL
Feb 15, 2026  
Technical Infrastructure Manager
Technical Infrastructure Manager Bradford (1-2 days on site per week) £500 per day (Outside IR35) An experienced hands-on Technical Infrastructure Manager is required for our public sector client to join their team and take ownership of the resilience, performance, and continuous improvement of the infrastructure estate. This is a hands‑on, technically demanding position ideal for a seasoned engineer who enjoys solving complex problems, modernising legacy environments, and ensuring high levels of uptime and reliability. You'll lead the management and evolution of the organisation's storage, compute, networking, and database platforms. You'll drive reliability, strengthen security, support cloud migration initiatives, and ensure operational excellence across both on‑prem and Azure environments. Key Responsibilities Lead the delivery, maintenance, and enhancement of infrastructure components across storage, compute, networking, and databases. Improve reliability and reduce...
IR35 Status:
Outside IR35

CV-Library Bradford, West Yorkshire Contractor
CL
Feb 15, 2026  
SIEM Application Engineer - ElasticSearch
SIEM Engineer - ElasticSearch Contract Type Contract Length: 3 months initially Daily Rate: Up to £550 (inside IR35 via umbrella) Location: Hybrid working model - 3 days in Birmingham and 2 days remote About the Role: Our client is seeking a skilled SIEM Engineer to join their cybersecurity team on a contract basis. This role is crucial for enhancing threat detection capabilities and requires a blend of technical expertise and collaboration skills. If you have a passion for security engineering and are ready to make an impact, we want to hear from you! What You'll Be Doing: SIEM Solution Development: Collaborate with security analysts and architects to design and implement SIEM solutions using Elasticsearch. optimise SIEM rules, alerts, and dashboards to ensure efficient threat detection. Collaboration: Work closely with team members to drive key security objectives forward. You'll also be responsible for presenting findings and writing documentation tailored to both technical...
IR35 Status:
Inside IR35

CV-Library Birmingham, West Midlands Contractor
CL
Feb 14, 2026  
Mobile Automation Engineer (MDM/Microsoft Intune)
Job Title: Mobile Automation Engineer (MDM/Microsoft Intune) Location: Chester/ Bromley (3 days onsite) Contract Length: 12 Months Daily Rate: Circa £650/Day Working Pattern: Full Time We are looking for an experienced Mobile Engineer to join a global technology team supporting and managing corporate mobile devices. This role is focused on mobile device management (MDM) and automation, not mobile application development. You will play a key role in supporting and enhancing a Microsoft-based mobile management environment, working closely with a distributed team across multiple regions. Required Skills & Experience Strong hands-on experience with Microsoft Intune (MDM) Solid PowerShell scripting experience (automation, administration) Good understanding of Microsoft cloud / Azure environments Experience managing enterprise mobile devices (iOS and/or Android) Background as an infrastructure / mobile engineer, not a mobile app developer Strong communication skills and...
IR35 Status:
Unknown Status

CV-Library Bromley, London Contractor
CL
Feb 14, 2026  
Network Engineer
Network Engineer Location: West London Rate: £200 P/D Outside IR35 Onsite: 5 days Khuda Technology is working on behalf of a client to recruit an experienced Network Engineer for an initial 6-month contract. This contract role requires a hands-on engineer with strong 1st/2nd line support and project experience, capable of supporting day-to-day operations while contributing to ongoing infrastructure and network initiatives. Responsibilities & Skills • Proven experience in IT support and project environments at 1st line level • Strong experience supporting Windows 11 within a Microsoft domain environment • Hands-on experience deploying, troubleshooting, and maintaining hardware using SCCM, GPO, and AutoPilot • Solid networking and network troubleshooting skills across LAN, WAN, WiFi, and VPN • Experience supporting Microsoft server operating systems and associated technologies • Good understanding of cyber security principles, data protection, and risk awareness • Experience with...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Feb 14, 2026  
Senior Infrastructure / Exchange Engineer
Senior Infrastructure / Exchange Engineer Location: Southwest London – 5 days onsite. Rate: £400–£450/day Inside IR 35 Start: Immediate preferred – 3/6 months Overview Our long-standing enterprise customer is hiring a hands-on contract role supporting Exchange, M365, hybrid-cloud and email security initiatives. You’ll focus on migrations, endpoint management, and strengthening defences against phishing and spoofing threats. Key Responsibilities Deliver Exchange & M365 hybrid-cloud migrations Implement and manage email security (Proofpoint, Defender/EOP, DKIM/SPF/DMARC) Lead anti-phishing, spoof intelligence & ZAP remediation Administer Intune, Azure / AVD, and support AWS integrations Investigate and remediate email security incidents Required Skills Exchange (on-prem & Online) and M365 Proofpoint, MS Defender/EOP, DKIM/SPF/DMARC Anti-phishing & spoof protection Intune, Azure / AVD Working knowledge of AWS One stage MS team’s interview
IR35 Status:
Unknown Status

CV-Library Morden, UK Contractor
CL
Feb 13, 2026  
DevOps Engineer - Active SC, NPPV3, AWS
DevOps Engineer - Active SC, NPPV3, AWS Up to £550 per day - Inside IR35 Remote 6 months My client is an instantly recognisable consultancy who require a DevOps Engineer with Active SC and NPPV3 Clearance ASAP for an end client within the public sector. Key Requirements: Proven commercial experience working as a DevOps / Platform Engineer within the Public Sector. Active SC & NPPV3 Clearance. Expertise building and operating scalable, secure AWS environments across core compute, networking, storage, and monitoring services. The ability to deliver automated pipelines using Jenkins, GitLab CI, and ArgoCD, enabling reliable, repeatable deployments. Strong experience managing IAM, certificate/security controls, and compliance across cloud and container platforms. Familiarity with provision infrastructure with Terraform and operating container workloads on Kubernetes/EKS, including event‑driven architectures. Excellent communication skills. Nice to have: Immediate...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Feb 13, 2026  
Senior Software Engineer
Senior Software Engineer - Azure Platforms Location: Warwick (Hybrid working model, monthly travel required, occasional travel to London) About Us Join a leading energy network operator that keeps society connected and drives the transition to a sustainable power future. You'll be part of a team that transforms the energy landscape, integrates renewable solutions, and ensures customers are never left in the dark. As a Senior Software Engineer - Azure Platforms, you will sit across all engineering teams, acting as a key technical leader with an architectural mindset. You'll focus on platform concerns, primarily cloud infrastructure on Azure, before contributing to broader product development and enabling works. Working directly with senior leadership, you'll ensure solutions are scalable, reliable, and aligned with organisational engineering and architecture standards. What You'll Do Act across all engineering teams, addressing platform-level concerns with a focus on Azure...
IR35 Status:
Unknown Status

CV-Library Warwickshire, UK Contractor
CL
Feb 13, 2026  
Network Engineer
Network Engineer +6 months+ +SC cleared - sole British nationals only due to nature of the project +Remote role - occasional travel to Maidstone +£425 - £450 a day +Inside IR35 Skills: +Cisco +Aruba +LAN / WAN +SC clearance This Network Engineering role focusses on implementation of Network services and will cover LAN, WAN, Firewall, and Security infrastructures, with a key focus on Cisco and Aruba. Expectation is the successful candidate will have 5 to 10 years proven work experience in a challenging, multi-vendor Data centre environment working as part of a team delivering project engineering functions. Key Responsibilities: Network Maintenance and Troubleshooting: Maintain data network hardware and systems. Investigate and resolve network and hardware issues. Analyze, isolate, and troubleshoot network errors. Assess and upgrade legacy network components as needed.Technical Support and Leadership: Provide technical support for both internal and external...
IR35 Status:
Inside IR35

CV-Library Maidstone, Kent Contractor
CL
Feb 13, 2026  
EUC Engineer
Microsoft EUC Engineer Location: Surrey – Hybrid working – 3 days a week onsite Duration: 6-month Contract initially Daily Rate: £400 - £425 IR35 Status: Inside IR35 – You will be required to work through an Umbrella company About the Role: We are looking a skilled Microsoft EUC (End-User Computing) Engineer to join our client on a contract basis. In this role, you will take ownership of evolving modern endpoint management using Microsoft technologies such as Intune and Configuration Manager, delivering and operating Azure Virtual Desktop (AVD), and guaranteeing secure, reliable, and compliant patching and software delivery across the organisation's estate.   Primary Duties & Responsibilities: Endpoint & Device Management Design, deploy, and manage Intune (MDM/MAM) for Windows 10/11, including configuration profiles, compliance policies, update rings, feature updates, Security Baselines, BitLocker, and Defender policies. Maintain and optimise Microsoft Configuration...
IR35 Status:
Inside IR35

CV-Library Surrey, UK Contractor
CL
Feb 13, 2026  
DevSecOps Engineer
DevSecOps Engineer (Microsoft Azure) We are supporting a large, complex organisation in appointing an experienced DevSecOps Engineer to design, build, and support secure, automated deployment pipelines across a Microsoft Azure technology estate. This is a hands-on contract role, well suited to someone with strong Azure DevSecOps experience who enjoys working collaboratively across engineering, cloud operations, and security teams. Contract DevSecOps Engineer (Microsoft Azure) Location: London - hybrid (minimum 3 days per week onsite) Rate: TBC (competitive, dependent on experience) Start Date: ASAP Duration: Initial 3 months Key Responsibilities Design, build, and support DevSecOps pipelines for both custom-built and package-based systems Enable secure, automated, and repeatable deployments across the Azure landscape Create and maintain CI/CD pipelines, automating build, deployment, and environment provisioning Develop scripts and tools to improve automation and operational...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Feb 13, 2026  
ICA Engineer
Drive commissioning excellence and keep critical water infrastructure running safely, compliantly, and efficiently ICA Engineer  Contract: Inside IR35 – ASAP until 31/12/2026 Location: South London – Hybrid working Role Overview The ICA Engineer is required to assist with close out the immediate observations and faults being identified through the commissioning process but also as the longer term technical support. Job Responsibilities & Accountabilities Reviewing and commenting on contractor’s technical electrical, instrumentation, control and automation (EICA) designs and inspection and test plan deliverables etc. Ensuring that deliverables comply with applicable policies, strategies, standards and procedures within scope and quality expectations. Undertaking NEC supervisor duties for EICA factory inspections, factory acceptance testing, site installation and site acceptance testing activities. Liaising and coordinating with contractors and stakeholders, including...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Feb 13, 2026  
Data Engineer - Active SC required
Location: Edinburgh, Newcastle, Luton, Bristol OR Southampton (fully onsite at one of these UK based sites) Duration: 6 month initial contract Inside IR35 Role details: Our client, a prominent player in the Defence & Security sector, is looking for Data Engineers to join their team on a contract basis. Whilst the site preference is Edinburgh or Newcastle, the team can also support contractors working from their Luton, Bristol or Southampton site. Due to the secure environments, you will be required onsite at least 4 days per week. Candidates must hold active SC clearance. Key Responsibilities: Design, develop, deploy, and support data infrastructure, pipelines, and architecture Implement reliable, scalable, and tested solutions to automate data ingestion Develop systems to manage batch processing and real-time streaming data Evaluate business needs and objectives Support the implementation of data governance requirements Facilitate pipelines that prepare data for...
IR35 Status:
Inside IR35

CV-Library Edinburgh, UK Contractor
CL
Feb 13, 2026  
Data Engineer - Active SC required
Location: Edinburgh, Newcastle, Luton, Bristol OR Southampton (fully onsite at one of these UK based sites) Duration: 6 month initial contract Inside IR35 Role details: Our client, a prominent player in the Defence & Security sector, is looking for Data Engineers to join their team on a contract basis. Whilst the site preference is Edinburgh or Newcastle, the team can also support contractors working from their Luton, Bristol or Southampton site. Due to the secure environments, you will be required onsite at least 4 days per week. Candidates must hold active SC clearance. Key Responsibilities: Design, develop, deploy, and support data infrastructure, pipelines, and architecture Implement reliable, scalable, and tested solutions to automate data ingestion Develop systems to manage batch processing and real-time streaming data Evaluate business needs and objectives Support the implementation of data governance requirements Facilitate pipelines that prepare data for...
IR35 Status:
Inside IR35

CV-Library Luton, Bedfordshire Contractor
CL
Feb 13, 2026  
Data Engineer - Active SC required
Location: Edinburgh, Newcastle, Luton, Bristol OR Southampton (fully onsite at one of these UK based sites) Duration: 6 month initial contract Inside IR35 Role details: Our client, a prominent player in the Defence & Security sector, is looking for Data Engineers to join their team on a contract basis. Whilst the site preference is Edinburgh or Newcastle, the team can also support contractors working from their Luton, Bristol or Southampton site. Due to the secure environments, you will be required onsite at least 4 days per week. Candidates must hold active SC clearance. Key Responsibilities: Design, develop, deploy, and support data infrastructure, pipelines, and architecture Implement reliable, scalable, and tested solutions to automate data ingestion Develop systems to manage batch processing and real-time streaming data Evaluate business needs and objectives Support the implementation of data governance requirements Facilitate pipelines that prepare data for...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Feb 12, 2026  
Data Engineer - SC Cleared
Role: Data Engineer Location: Edinburgh or Luton (hybrid/onsite as required) Engagement: Contract - Inside IR35 Security Clearance: Active SC Clearance required Rate: £500 - £600 per day - inside IR35 Project Description We are seeking an experienced Data Engineer to design, build, deploy, and maintain robust data platforms and pipelines within a secure environment. You will be responsible for the end-to-end data engineering lifecycle, transforming raw data into high-quality, consumable datasets that support analytics, reporting, and advanced modelling. You will own and optimise the data operations infrastructure, ensuring performance, reliability, scalability, and security as data volumes and processing demands grow. This role requires strong problem-solving skills, the ability to integrate data from multiple sources, and hands-on experience with modern data engineering tools and practices. Key Responsibilities Design, develop, deploy, and support scalable data...
IR35 Status:
Inside IR35

CV-Library Edinburgh, UK Contractor
CL
Feb 12, 2026  
Network Engineer (Defence / OSPF) - Outside IR35
Contract Network Engineer, Outside IR35, £500 per day, Farnborough Contract position at a Defence consultancy, outside IR35 for a specialist network engineer to work on building something from scratch. This is working amongst a team of other technology professionals on an MOD/Defence project, from Farnborough. PLEASE NOTE - The nature of this project will require the work to be carried out onsite and successful candidates will be required to be security cleared (SC Level) prior to appointment. Experience required: Secure environment (Defence/MOD/government etc) Network Engineering with WAN/LAN etc. Networking routing protocols - Open Shortest Path First (OSPF) VPNS and Network Security HLD/LLDIf you also have experience with Data centre network architecture, high assurance IP encryptors Infrastructure automation, Whitebox network infrastructure, NSX, Cisco CCNP certified - that would all be great. Any experience with Cryptology and cryptography would be helpful. If you are a...
IR35 Status:
Outside IR35

CV-Library Farnborough, Hampshire Contractor
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