Cyber Security Jobs

• Cambridge
• Hybrid
• £60,000 – £70,000 pa
• Senior

Senior role shaping system design and test criteria for Linux-based embedded systems, leading software security work including Hardware Root of Trust, Secure Boot and TPM integration. Day to day involves embedded C development, Yocto build systems and Linux kernel work, integrating software with hardware via I2C, SPI and UART, plus root-cause debugging. The position also includes mentoring junior engineers within an Agile R&D environment.

Linux · Yocto · Jenkins +6

• Virtual Location - Uk
• Senior
• Permanent

Leads complex security testing engagements end-to-end across interconnected AWS microservice architectures, performing penetration testing and AI-augmented source code review. Investigates high-consequence risk hypotheses to documented conclusions, builds reusable mechanisms like fuzzers and detection rules, and mentors engineers while setting the team's peer-review bar.

AWS · Agentic AI

• Warwick
• Hybrid
• £65,000 – £75,000 pa
• Mid-level

Embed security into the software development lifecycle, partnering with engineering teams to improve secure coding and conduct application security assessments. Support DevSecOps initiatives, identify vulnerabilities before release, and strengthen security within CI/CD pipelines across a growing technology estate.

SaaS

• Aberdeen
• Hybrid
• £38,000 – £40,000 pa
• Mid-level

Hands-on security role strengthening an Aberdeen organisation's posture across infrastructure and operations. You will maintain policies, run vulnerability management, monitoring and incident response, oversee enterprise backups, and support audits and awareness training alongside IT and MSSP partners.

CISSP · CCSP · ISSAP

• Reading
• Remote
• Senior

Designs, develops and reviews secure architectures across cyber security, cloud and enterprise environments for defence customers, using AWS and/or Azure. Acts as a trusted technical adviser, producing architecture documentation, security assurance artefacts and risk assessments while engaging directly with customer stakeholders and attending occasional site visits.

AWS · Azure

• Cambridge
• On-site
• £80,000 – £100,000 pa
• Senior
• Permanent

Owns software security strategy, architecture and standards across a diverse product portfolio, embedding threat modelling and secure-by-design into the full lifecycle. Works with engineering and product teams on architecture reviews, vulnerability management, CI/CD security and release criteria, plus EU Cyber Resilience Act compliance. Desirable background includes embedded systems, IoT, Android and embedded Linux.

Android · Embedded Linux

• Reading
• Remote
• Senior

Designs, develops and reviews secure architectures across cyber security, cloud and enterprise environments for defence customers, acting as a trusted technical adviser. Produces architecture documentation and assurance artefacts, supports risk assessments, and embeds security throughout the solution lifecycle, with occasional travel to customer sites.

AWS · Azure

• Birmingham
• Remote
• £90,000 – £95,000 pa
• Lead · manages people

Hands-on lead role split roughly 60/40 between Azure security engineering and SOC leadership, owning Sentinel, KQL detection engineering and incident response while mentoring three analysts. Involves DevSecOps tooling, IaC hardening of AKS and supply chain security across a large multi-tenant SaaS platform.

Microsoft Azure · Microsoft Sentinel · Microsoft Defender for Cloud +7

• London
• Hybrid · 2 days in office
• £115,000 – £125,000 pa
• Director

Own the information and cyber security agenda for an international organisation, defining strategy, policies and technical baselines across networks, cloud, identity and endpoints. A senior individual-contributor role without line management, working with infrastructure, technology and external providers to drive vulnerability management, monitoring, incident response and security architecture. Requires hands-on technical depth plus the ability to influence senior stakeholders.

Microsoft Azure · Microsoft 365 · Google Enterprise +3

• Cheltenham
• On-site
• £550 – £750 pd
• Senior
• Contract

An IdAM Architect role within a Security Architecture team, shaping enterprise identity and access capabilities across cloud transformation and service management convergence programmes. Day to day involves security architecture reviews, risk and vulnerability assessments, threat modelling, and designing identity solutions using SSO, MFA, IGA, PAM and federation standards. Works closely with solution architects, engineers and risk advisors to embed security by design.

Microsoft Entra ID · Azure AD · SailPoint +3

• London
• On-site
• £500 ph
• Senior
• Contract

A contract IdAM Architect role within a Security Architecture team, shaping enterprise identity and access capabilities across cloud transformation and service management convergence programmes. Day to day involves security architecture reviews, risk and vulnerability assessments, threat modelling, and designing identity solutions covering SSO, MFA, IGA, PAM and federation standards. Works closely with solution architects, engineering, risk advisors and business stakeholders to embed security by design.

Microsoft Entra ID · Azure AD · SailPoint +3

• Cheltenham
• Hybrid
• Permanent

Join a growing National Security Business Unit conducting vulnerability research across short-term tactical challenges and long-term research engagements. Work alongside a team of experts with dedicated lab facilities, regular research events, and a focus on training and development. Based in Cheltenham with a possible hybrid working approach.

• Derby
• On-site
• £40,000 – £70,000 pa
• Permanent

Design, develop and test embedded software in C/C++ for secure communications products, working with RTOS, ARM microcontrollers and register-level programming. The role involves unit testing, static analysis, code reviews and technical documentation within a multidisciplinary team, with security and quality central to delivery.

STM32 · JTAG · ETM +2

• Newcastle upon Tyne
• Hybrid
• £57,000 pa
• Mid-level
• Permanent

Protect business systems, infrastructure and data by monitoring, investigating and responding to cyber threats and incidents. Manage vulnerability remediation, patching and endpoint security while securing cloud, network and endpoint environments. Support governance, audits and compliance with standards such as ISO 27001 and Cyber Essentials Plus, working with internal teams and third-party suppliers.

SIEM · EDR · Microsoft Defender +3

• London
• Senior
• Permanent

Security Architect role shaping security across a cloud-native environment, working closely with Architecture, Engineering, Product and Operations teams. Focus areas include GCP security, Kubernetes, DevSecOps, application and API security, identity, resilience and compliance (PCI DSS, GDPR, ISO 27001, SOC 2). Strong commercial GCP and Kubernetes experience is essential.

GCP · Kubernetes · API Gateways +4