40 security engineer jobs found in London

Security Engineer, AWS, DevSecOps Day rate: £650 per day (Outside IR35) Location: London 1 day week Role: Security Engineer Length: 6 months We're supporting a major transformation programme and are looking for a Security Engineer to help deliver and maintain security controls across multiple technology workstreams. Working closely with senior security specialists, you'll play a key role in securing cloud platforms, improving DevSecOps processes, managing vulnerabilities, and ensuring security is Embedded throughout delivery. Key Responsibilities Implement and optimise CI/CD security tooling. Manage vulnerabilities and support remediation activities. Review infrastructure, code and configuration changes for security risks. Support threat modelling and security assurance activities. Maintain secrets management, certificates and access controls. Develop reusable security controls and best practices. Produce security documentation and evidence where...

Security Engineer, AWS, DevSecOps Day rate: £650 per day (Outside IR35) Location: London 1 day week Role: Security Engineer Length: 6 months We 're supporting a major transformation programme and are looking for a Security Engineer to help deliver and maintain security controls across multiple technology workstreams. Working closely with senior security specialists, you 'll play a key role in securing cloud platforms, improving DevSecOps processes, managing vulnerabilities, and ensuring security is embedded throughout delivery. Key Responsibilities Implement and optimise CI/CD security tooling. Manage vulnerabilities and support remediation activities. Review infrastructure, code and configuration changes for security risks. Support threat modelling and security assurance activities. Maintain secrets management, certificates and access controls. Develop reusable security controls and best practices. Produce...

Security Engineer (SOC/Data Engineering) £450 per day | Outside IR35 | 9-Month Contract | Active SC Clearance Required London (1 day per month onsite) A leading consultancy is seeking an experienced Security Engineer to join a high-profile cyber security programme supporting critical public sector environments. This role sits at the intersection of Security Operations, SIEM engineering, and cloud-based data engineering, offering the opportunity to work on large-scale security monitoring platforms and cloud-native security solutions. The Role As a Security Engineer, you will play a key role in designing, optimising, and maintaining security telemetry pipelines while supporting SOC operations and detection engineering activities. You'll work with cloud-native technologies, SIEM platforms, and security data tooling to improve visibility, detection capability, and operational resilience across complex environments. Key Responsibilities Manage and optimise security log ingestion...

Security Engineer (SOC/SIEM) £450 per day | Outside IR35 | 9-Month Contract London (1 day per month onsite) A leading consultancy is seeking an experienced Security Engineer to join a high-profile cyber security programme supporting critical public sector environments. This role sits at the intersection of Security Operations, SIEM engineering, and cloud-based data engineering, offering the opportunity to work on large-scale security monitoring platforms and cloud-native security solutions. The Role As a Security Engineer, you will play a key role in designing, optimising, and maintaining security telemetry pipelines while supporting SOC operations and detection engineering activities. You'll work with cloud-native technologies, SIEM platforms, and security data tooling to improve visibility, detection capability, and operational resilience across complex environments. Key Responsibilities Manage and optimise security log ingestion pipelines using Cribl and cloud-native...

Senior Azure Security Engineer - London (Remote/Hybrid) - Outside IR35 Contract We are supporting an exciting client who is looking for a Senior Azure Security Engineer to join their Cyber Security team on a contract basis OUTISDE IR35. This role will play a key part in strengthening security across cloud, identity, endpoint and security monitoring platforms within a complex enterprise environment. Requirements: Strong hands-on experience with Azure Security, Microsoft Sentinel and Microsoft Defender XDR. Experience designing and implementing security controls across Azure, Microsoft Entra ID and hybrid cloud environments. Proven expertise developing KQL queries, analytics rules, threat detection use cases, automation and security monitoring capabilities. Experience with security automation using Logic Apps, Azure Functions, PowerShell, Python and REST APIs. Ability to support cloud security architecture, platform hardening, vulnerability remediation and cyber incident...

🚨 Principal Forward Deployed Engineer | Sovereign AI | Outside IR35 | £650–850 per day I’m working on an exciting contract opportunity for a Principal Forward Deployed Engineer to join a growing team delivering cutting-edge AI solutions across defence and national security. This is a hands-on, technically demanding role for someone who enjoys taking products from 0 to 1, solving complex infrastructure challenges and getting software deployed into highly secure, restricted and air-gapped environments. 💰 £650–850 per day 📄 3–6 month contract 💼 Outside IR35 📍 London | 1–2 days per week on-site 🔐 Active DV clearance essential 🔍 What you’ll be doing: *Leading technical engagements with senior defence, engineering and security stakeholders. *Owning deployments end to end, from requirements gathering through to integration, testing, accreditation and handover. *Adapting cloud-native applications to Kubernetes, OpenShift, on-premise, private cloud...

Principal Forward Deployed Engineer Contract | Outside IR35 | London, Hybrid | DV Cleared This is a contract role, 6 months with a view to extend, Outside IR35, with the day rate to be confirmed. It is hybrid, with 2 to 3 days a week on site in London plus travel to customer sites, requires active DV clearance, and starts ASAP. About the Client Morela is proud to be supporting a fast-growing, venture-backed UK AI company building sovereign AI for defence, government and other highly regulated sectors. Their core product is an AI operating system built for secure, air-gapped environments. The client's identity will be shared on introduction. The Role You will own the technical relationship with the client's defence and government customers, taking a GCP-native product and getting it deployed, integrated, tested and accredited in whatever environment the customer runs, from Kubernetes and OpenShift to bare metal and air-gapped networks. From the first workshop with a security...

SIEM Content & Platform Engineer - London (Remote/Hybrid) - Outside IR35 Contract We are supporting an exciting client who is looking for an experienced SIEM Content & Platform Engineer to join their Cyber Security team on a contract basis. This role will focus on security monitoring, detection engineering, platform optimisation, automation, and improving enterprise cyber resilience. Requirements: Strong hands-on experience with Microsoft Sentinel and Microsoft Defender XDR in large enterprise environments. Experience developing and tuning analytics rules, threat hunting queries, correlation logic and detection content aligned to security frameworks such as MITRE ATT&CK. Proven experience onboarding and optimising cloud, infrastructure, application and security telemetry within a SIEM platform. Strong automation skills using Logic Apps, Azure Functions, PowerShell, Python and REST APIs. Experience with security engineering, platform hardening, vulnerability...

Operational Acceptance Tester (OAT) - SC Cleared Contract | Outside IR35 | Up to £375 per day Location: Hybrid/Predominantly Remote - occasional travel to London Security Clearance: Active SC Clearance required We are looking for an experienced Operational Acceptance Tester (OAT) to join a major technology programme, supporting the operational readiness and production acceptance of secure, cloud-based services. This is a hands-on testing role requiring strong experience across Operational Acceptance Testing, AWS/cloud environments, resilience, recovery, monitoring and release readiness . The successful candidate will help deliver OAT activities and work closely with DevOps, Infrastructure and Release teams. Responsibilities Lead the Operational Acceptance Testing (OAT) process, ensuring systems are operationally ready ahead of production deployment. Define OAT strategies, test plans, acceptance criteria and supporting documentation. Test areas...

Full Stack Engineer Tecknuovo is a digital delivery partner with a Deliberately Different approach. This means we focus on people, not technology. We move at pace and ensure Zero Dependency on us at the end of each project. What you'll be working towards We are currently looking to engage with SC Cleared Full Stack Engineers on a large organisation project within the public sector. The successful candidate will have experience with: Kotlin Containerised Services Typescript (Or other UI Development) AWS (Preferable) *Please note this requires active Security Clearance* Your Journey : Passing the TeckBar The Teckbar is a benchmark we set for our associates to make sure we consistently deploy bestin-class teams to work with our clients. Talent Screen: Our Talent Team will be in touch to talk Tecknuovo, the role & values Tech Screen: We'll focus on real-life experience and deep dive into your technical background Offer: Job Done!...

Job Title:  Project   Manager    Location:  London - Hybrid    Role type:  Contract   IR35:  Outside IR35   Duration : 2 months (initially)   Start Date:  ASAP       Who we are:   We're an award-winning Tech Consultancy, focused in Quality Engineering on a mission to become the UK's #1.       What we do:   "Champion and Engineer Quality and Software". Over the past 6 years, we've shaped and transformed our offering so that passion, precision, and attention to every minuscule detail is baked into everything we do. Born from a desire to bring automation expertise to our current and prospective clients, 5 years ago we shaped our offering.       Project Info:   We're looking for an experienced Lead Technical Product Owner to support a major UK retail and hospitality technology...

Location: London (Hybrid) Day rate: 400 per day Outside IR35 We're looking for a hands-on Microsoft AI Engineer to join a growing technology team and help build and roll out AI solutions across the business. This is a proper engineering role rather than something focused purely on AI strategy or proof of concepts. You'll be taking ideas from the business, working out how AI can genuinely solve the problem, and then building solutions that can be deployed and used in a live enterprise environment. You'll be working mainly across the Microsoft ecosystem, including Azure AI, Copilot and the wider Microsoft cloud stack. What you'll be doing Building AI applications, copilots, agents and automated workflows Developing solutions using Azure OpenAI, Azure AI services and Copilot Studio Building RAG and enterprise search solutions using internal business data Connecting AI solutions into platforms such as Microsoft 365, SharePoint, Dataverse and other business systems...

Tech Lead / Principal Engineer – Contract Location: London Canary Wharf – 4 days onsite (no flex) Start Date: 2nd November 2026 Duration: Initial contract until 24th December, with potential extension Outside IR35 - rate depending on experience We're looking for an experienced Tech Lead / Principal Engineer to support a major financial services engagement with one of our consultancy partners. This is a senior, client-facing technical role, focused on solution architecture, systems integration and technical leadership across complex mobile and backend platforms. You'll be joining a fast-paced project, working closely with engineering teams and senior stakeholders to understand existing technology landscapes, identify architectural gaps and shape scalable, secure technical solutions. The Role Lead solution architecture and technical design across mobile applications, backend services and integrations. Assess existing systems, map technical...

Linux Administrator/Linux Engineer A London-based Higher Education institution is seeking an experienced Linux Administrator/Linux Engineer to join a critical project focused on improving the management and security of its Linux estate. Working alongside an established project team, you will play a key role in securing and onboarding Linux devices into a managed endpoint security service. This is an excellent opportunity for a hands-on Linux professional with strong security awareness and experience managing enterprise Linux environments. The role will cover Deploying and configuring Microsoft Defender for Endpoint across Linux devices. Onboarding and managing Linux endpoints within Microsoft Intune. Supporting the implementation of a managed endpoint security service. Implementing Linux security controls, compliance standards and best practices. Troubleshooting and resolving Linux endpoint and security-related issues. Producing technical...

Detection Engineer (SOC/SIEM/Splunk) £450 per day | Outside IR35 | 9-Month Contract Active SC Clearance Required | London (1 day per month onsite) A leading consultancy is looking for a Detection Engineer to join a high-profile cyber security programme supporting critical public sector services. This role offers a unique blend of detection engineering and SOC operations , providing the opportunity to develop and optimise advanced detection capabilities while helping protect large-scale cloud environments. Working within a Security Operations Centre (SOC), you'll be responsible for building and tuning detections, investigating security incidents, and improving the effectiveness of security monitoring across AWS and Splunk environments. The Role As a Detection Engineer, you will operate at the intersection of security operations, threat detection, and cloud security. You'll work closely with SOC analysts, engineers, and stakeholders to develop high-fidelity detections, reduce...

Detection Engineer (SOC/SIEM/Splunk) £450 per day | Outside IR35 | 9-Month Contract Active SC Clearance Required London (1 day per month onsite) A leading consultancy is looking for a Detection Engineer to join a high-profile cyber security programme supporting critical public sector services. This role offers a unique blend of detection engineering and SOC operations , providing the opportunity to develop and optimise advanced detection capabilities while helping protect large-scale cloud environments. Working within a Security Operations Centre (SOC), you'll be responsible for building and tuning detections, investigating security incidents, and improving the effectiveness of security monitoring across AWS and Splunk environments. The Role As a Detection Engineer, you will operate at the intersection of security operations, threat detection, and cloud security. You'll work closely with SOC analysts, engineers, and stakeholders to develop high-fidelity detections, reduce...

Senior AWS Data Engineer Tecknuovo is a digital delivery partner with a Deliberately Different approach. This means we focus on people, not technology. We move at pace and ensure Zero Dependency on us at the end of each project. What you'll be working towards We are currently looking to engage with SC Cleared Data Engineers on a large organisation project within the public sector. The successful candidate will have experience with AWS Data Engineering, migration programmes and modern data engineering practices. This is a discovery piece of work for an initial 2 months, with the idea that you extend based on the assessments of the current engineering capabilities and future migration requirements, that will be driven by you. *Please note this requires active Security Clearance* Your Journey : Passing the TeckBar The Teckbar is a benchmark we set for our associates to make sure we consistently deploy bestin-class teams to work with our clients. Talent...

Cybersecurity, PKI Contract Opportunities — 5 Positions Contract Type: Outside IR35 Working Arrangement: Fully remote, with occasional client-site visits Initial Contract: 6 months minimum Active SC Clearance : Mandatory Programme Duration: Approximately 2 years of anticipated work Start Date: 20th October We are looking for experienced cybersecurity professionals to support enterprise security architecture, engineering and implementation programmes. These are long-term contract opportunities for specialists with strong hands-on technical expertise and experience delivering complex enterprise projects. 1. PKI Architect / Keyfactor SME — 2 Positions Key Responsibilities Design end-to-end enterprise PKI architecture, including offline Root CA, intermediate and issuing CAs, certificate policies and trust models. Provide technical expertise in Keyfactor Command and Certificate Lifecycle Management (CLM). Lead PKI transformation,...

Role: Senior Applied AI Engineer (Defence Contractor) Rate: £700-£900 per day, dependent on experience Location: Oxford / London Engagement: Contract, outside IR35: initial 6-month term with strong likelihood of extension Start: Immdediate start. Hybrid, with regular time on site in Oxford or London Security clearance: You must be eligible for UK security clearance (BPSS and SC. We require applicants to hold UK passport and 5 years of continuous UK residency. We can sponsor clearance for the right candidate, but given the contract nature of this role we strongly prefer candidates who already hold an active, transferable SC; DV is an advantage. If you are not eligible, we will not be able to progress your application. A note from the Founders Oxford Dynamics is at an inflection point. We build frontier AI for environments where the cost of a wrong decision is high: defence and national security, critical infrastructure, and commercial organisations making...

MORELA AI & Engineering Recruitment Data Engineer (RAG & Retrieval) 2-year contract | Central London | Active SC | Outside IR35 Morela is supporting a specialist technology consultancy on a 2-year Data Engineer contract in Central London, delivering on a UK government programme. Outside IR35, rate TBC. We need a genuinely strong all-round data engineer first and foremost, with recent hands-on RAG experience on top. Active SC is essential - eligibility will not be considered. About the Client A specialist technology consultancy embedding engineers into SC-cleared government delivery teams. They focus on long-term programme work and give their engineers real ownership of what they build. The Role You will own the data platform behind the programme, from ingestion and modelling through to the retrieval layer that powers its AI capability. The core of the job is solid data engineering - reliable pipelines, clean models and well-governed data. On top of that...