Cyber Security Jobs

• Cambridge
• On-site
• Mid-level
• Permanent

Consultants assess critical systems for cyber-physical vulnerabilities, combining deep hardware research, testing and reverse engineering with rapid prototyping of proof-of-concept demonstrators. Work spans niche defence and national security projects, interfacing with hardware via protocols like JTAG and UART and using test equipment such as oscilloscopes. The role is fully on-site in Cambridge labs within a flat, collaborative ~40-person consultancy.

JTAG · UART · Oscilloscopes

• United States - Field
• Senior · manages people

Defines and governs a four-plane reference architecture (Identity, Authority, Execution, Assurance) for an agentic trust layer, owning specs like the Agent Passport, Permission Slip framework, Evidence Ledger and Policy Engine. Chairs architecture and boundary review boards, sets dependency contracts across product lines, and represents the company in standards bodies such as FIDO, OpenID and IETF.

Azure · AWS · Google Cloud +7

• United Kingdom - Field
• Senior · manages people

Defines and governs a four-plane reference architecture (Identity, Authority, Execution, Assurance) for an agentic trust layer, owning specs like the Agent Passport, Permission Slip framework, Evidence Ledger and Policy Engine. Chairs architecture and boundary review boards, sets dependency contracts across product lines, and represents the company in standards bodies such as FIDO, OpenID and IETF.

AWS · Azure · Google Cloud +7

• 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

• Knutsford
• Senior · manages people

Hands-on engineering role safeguarding encryption keys and cryptographic services across 300+ enterprise platforms, working extensively with Thales and Entrust HSMs. Involves key management, certificate management, production support, and on-call rotation, with occasional off-site data centre work.

Thales · Entrust · SharePoint +5

• Knutsford
• Mid-level · manages people

Hands-on engineering role safeguarding encryption keys and cryptographic services across enterprise applications, working with Hardware Security Modules and Thales/Entrust tooling. Involves BAU and 24/7 on-call support, security assessments, penetration testing, and key management across Windows and Linux environments, with occasional off-site data centre work.

Thales · Entrust · SharePoint +5

• London
• Permanent

Lead the design of physical security elements such as cameras, access control, intrusion detection, fences and gates for data centre projects, producing construction drawings and specifications in Revit and CAD. Coordinate security requirements across architectural, mechanical, electrical, civil and IT disciplines, and act as subject matter expert reviewing third-party and in-house design deliverables. Manage multiple fast-paced projects with travel up to 25%.

Bluebeam · Revit · AutoCAD +1

• London
• Remote
• £30,000 – £40,000 pa
• Entry level

A career-change training programme combining online CompTIA A+, Network+ and Security+ study with practical labs, tutor and mentor support, plus recruitment and placement help. It targets people with no prior IT experience, aiming to place them first as an IT Technician before progressing into cyber security roles.

CompTIA A+ · CompTIA Network+ · CompTIA Security+ +2

• London
• Remote
• £30,000 – £40,000 pa
• Entry level

A career-change training programme combining online CompTIA A+, Network+ and Security+ study with practical labs, tutor and mentor support, and recruitment/placement assistance. On completion, participants are supported into an initial IT Technician role before progressing toward cyber security positions such as analyst or security engineer.

CompTIA A+ · CompTIA Network+ · CompTIA Security+ +2

• London
• Hybrid · 2 days in office
• Senior

Design, build and operate distributed systems behind Cloudflare's Application Security products (WAF, Page Shield, API Shield) at internet scale, using Go or Rust and devops tooling like Kubernetes and Kafka. The role includes reviewing RFCs and code, on-call shifts, and mentoring other engineers.

Kubernetes · Salt · Kafka +7

• London
• €54,000 – €75,000 pa
• Mid-level

Join the Security Rules team to design, build and operate microservices behind Cloudflare's Application Security products such as Rate Limiting and Web Application Firewall. Work mainly in Rust and Go across distributed systems, databases, Docker and Kubernetes, with on-call duties and mentoring responsibilities.

Rust · Go · Docker +7

• Stevenage
• On-site
• Mid-level
• Permanent

Configure, instrument and operate electrodynamic shaker systems to run vibration and shock tests on new spacecraft equipment, installing accelerometers and flight hardware. Work with mechanical engineers to meet customer test objectives, maintain instrumentation and facilities through calibration and logbooks, and support internal and external audits while upholding quality and safety standards.

Electrodynamic Shaker Systems · Vibration Control Software · Accelerometers

• Cambridge
• On-site
• Mid-level
• Permanent

Consultants assess critical systems for vulnerabilities, building proof-of-concept demonstrators that combine software, hardware and user interaction. The role spans reverse engineering, low-level programming and rapid prototyping for UK defence and national security clients, working on-site alongside around 40 scientists and engineers.

• 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

• London
• On-site
• Lead · manages people
• Permanent

Lead product cybersecurity assurance across the HMND 01 humanoid robot platforms, defining security requirements, threat modelling and risk artefacts for safety-critical electromechanical systems. Own TARA, security management plans and remediation actions, drive compliance with IEC 62443, the EU Machinery Regulation and the Cyber Resilience Act, and build a PSIRT process while guiding a cross-functional security team.

CAN bus · Ethernet · KinetIQ +4