Cyber Security Jobs

• United Kingdom
• Remote
• Lead · manages people

Lead a team of three data scientists building machine learning and agentic AI systems for threat detection, malware analysis and security automation. Set technical standards, own ML roadmaps from research to production, and partner with security research, engineering and product teams while staying hands-on with Python, ML frameworks and large-scale data.

AWS · Linux

• Spain
• Remote
• Lead · manages people

Lead a team of three data scientists building machine learning and agentic AI systems for threat detection, malware analysis and security automation. Set technical standards, drive ML strategy from research to production, and partner with security research, engineering and product teams. Requires dual expertise in ML and cybersecurity.

AWS · Linux

• Croydon
• Remote
• £28,000 – £40,000 pa
• Junior

A self-funded training programme leading to a Security Operations Analyst role, combining online CompTIA A+, Network+ and Security+ certification with live labs and hands-on cyber security scenarios. Includes CV, LinkedIn and interview support plus dedicated recruitment help until placement, with no prior experience required.

CompTIA A+ · CompTIA Network+ · CompTIA Security+ +1

• Sheffield
• £28,000 – £40,000 pa
• Entry level

A self-funded training programme leading to a trainee cyber security operations role, combining online CompTIA A+, Network+ and Security+ certification study with live labs and hands-on security scenarios. Includes CV, interview and recruitment support until placement, with no prior experience required.

CompTIA A+ · CompTIA Network+ · CompTIA Security+

• Nottingham
• £24,000 – £45,000 pa
• Entry level

A traineeship combining self-paced online training in CompTIA, Microsoft and Cisco courses with hands-on Livelabs practice, leading to CompTIA A+ certification. Candidates are then placed as an IT Technician for two years before progressing into a Network Engineer role with partner IT companies.

CompTIA A+ · CompTIA · Microsoft +1

• Cardiff
• £24,000 – £45,000 pa
• Entry level

A traineeship combining online, accredited IT support training with hands-on Livelabs practice and CompTIA A+ exams, followed by placement as an IT Technician. After two years' experience and further networking training, participants progress into a Network Engineer role with partner IT companies.

CompTIA A+ · CompTIA · Microsoft +1

• London
• €66,000 – €91,000 pa
• Senior

Builds and operates microservices behind Cloudflare's Application Security products such as Rate Limiting and Web Application Firewall, working mainly in Rust and Go with Docker, Kubernetes, PostgreSQL, Kafka and Clickhouse. Senior engineers lead complex projects from design through production, mentor peers, and improve reliability of distributed systems at global scale, with on-call flexibility required.

Rust · Go · C++ +7

• London
• Hybrid · 2–3 days in office
• £110,000 – £135,000 pa
• Lead · manages people

Lead the Enablement platform group, owning infrastructure, CI/CD pipelines and reliability practices across engineering. Set platform strategy and roadmap, manage SLOs, incident response and AWS cloud spend, while partnering with the Expansion product group to balance platform capacity against feature delivery. Also coach engineers and lead hiring for platform and SRE roles.

AWS · Kubernetes · Docker +6

• London
• Hybrid · 2–3 days in office
• £90,000 – £120,000 pa
• Senior

Full-stack product engineering role in a cross-functional squad, owning mid-to-large initiatives end to end and shaping product strategy with designers and PMs. Stack centres on Go, AWS and Vue.js, with a strong emphasis on system design, testing, automation and mentoring other engineers.

Go · AWS · Vue.js +7

• 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

• Gloucestershire
• Hybrid
• £60,000 – £80,000 pa
• Mid-level
• Permanent

Investigate and respond to security incidents across endpoint, identity, network and cloud environments for a growing cyber security consultancy and MSSP. The role involves digital forensics, evidence collection, containment and recovery, plus developing IR playbooks and tabletop exercises, working alongside SOC, Threat Intelligence and Detection Engineering teams. It includes an on-call rota and occasional customer travel.

Velociraptor · KAPE · Timesketch +8

• Cambridge

Acts as the go-to authority in a chosen reliability specialism—observability, performance engineering, data infrastructure, security-focused SRE or network reliability—defining standards and best practices across SRE, Platform Engineering and DevSecOps. Builds tooling and automation, leads deep-dive investigations into systemic issues, and contributes to incident response and on-call rotations in a cloud-native, Kubernetes-based environment.

AWS · GCP · Azure +1

• Chippenham
• Hybrid
• Mid-level
• Permanent

Day-to-day administration of the Spacecraft Control Centre's Linux and Cisco-based command and control systems, including configuration, equipment swap-outs, and restoration of capability. Acts as lead engineer for deployment planning, testing, and patching of system upgrades across a multi-site SCOF network, liaising with customers on fault investigation. Requires in-date RHCSA and offers hybrid, flexible working.

Cisco · CCNP · CCNA +2

• Farnborough
• Hybrid · 2 days in office
• £70,000 – £80,000 pa
• Senior
• Permanent

Hands-on detection engineering role designing, testing and deploying detection content across Microsoft Sentinel and Splunk, writing KQL and SPL logic, tuning alerts to cut false positives and onboarding log sources from cloud, identity and network telemetry. Works closely with SOC, Threat Intelligence and Security Architecture teams in a live SOC environment.

Microsoft Sentinel · Splunk · Logic Apps +2

• Grange, Greater London
• Hybrid
• £55,000 – £60,000 pa
• Mid-level
• Permanent

Conducts penetration tests across web applications, infrastructure, cloud environments and APIs, with exposure to Active Directory, AWS/Azure/GCP and tools like Burp Suite, Kali Linux, Nmap and Metasploit. Owns testing engagements end to end, writes clear reports and advises clients on remediation, with scope to move into red teaming, assumed breach and AI security.

Burp Suite · Kali Linux · Nmap +4