Cyber Security Jobs

eFinancialCareers · Birmingham · £100,000 pa

Senior technical security consultant role acting as a security architect and technical authority across complex cybersecurity programmes in UK healthcare, defence, government and the public sector. Involves leading security architecture reviews, threat modelling, risk and vulnerability assessments, and advising on secure-by-design across cloud, network, infrastructure and application environments, while mentoring practitioners and engaging senior stakeholders.

eFinancialCareers · London · £100,000 pa

Senior technical authority shaping secure technology solutions across cloud, network, infrastructure and application environments for UK public sector programmes. Leads security architecture reviews, threat modelling, risk and vulnerability assessments, and provides technical oversight of security and penetration testing while mentoring practitioners and advising senior stakeholders.

CrowdStrike · Ireland

Security researcher role on CrowdStrike Intelligence's Advanced Research Team, developing automated solutions for large-scale data collection, running Internet-wide scans, operating and extending honeypots, and performing vulnerability research. Involves reverse engineering, patch analysis, and publishing research on the company blog or at conferences, alongside ad-hoc technical support for other intelligence teams.

CrowdStrike · Romania

Security researcher role on CrowdStrike Intelligence's Advanced Research Team, developing automated solutions for large-scale data collection, operating and extending honeypots, performing vulnerability research, and reproducing emerging vulnerabilities. The position also involves publishing research on the blog or at conferences and building GenAI/LLM workflows to support analysis and security research.

Bridewell · London

Investigate and respond to security incidents for critical national infrastructure and other clients, covering endpoint, network and cloud environments. The role spans both managed SOC services and consulting engagements, contributing to incident preparation, recovery and improving clients' security posture.

Bridewell · London

Deliver OT cyber security consulting services to essential-service operators, leading complex client projects and maintaining senior-level relationships. The role sits within a specialist OT security team, combining hands-on cyber security and operational technology expertise with a client-facing, empathic approach to customer conversations.

Entrust · Paris, France

Owns planning, coordination and execution of test and quality activities within a cross-functional Identity Verification product team, covering web, mobile, backend and ML-powered products. Builds maintainable automated test frameworks and suites, mentors colleagues, and leads test engineering initiatives across teams, combining automation with exploratory testing.

Entrust · London

Owns test planning, coordination and execution within a cross-functional identity verification product team, covering web, mobile, backend and ML-powered journeys. Builds maintainable automated test frameworks, combines automation with exploratory testing, and mentors colleagues while improving CI/CD pipelines and release feedback loops.

Adecco · United Kingdom · £90,000 – £110,000 pa

Designs and builds security reference architectures for public, private and hybrid cloud environments, supporting clients in developing enterprise security use cases aligned to their cloud strategy. Works with cross-functional teams to select technologies, integrate hybrid IT ecosystems, and apply zero trust, threat modelling and secure-by-design principles. Involves coaching clients and internal teams, plus automation and orchestration tooling for secure deployments.

Bangor University · Bangor · £21,805 pa

Fully funded three-year PhD studentship researching physical-layer network security within Bangor University's DSP Centre, supported by EPSRC and regional innovation projects. The role involves theoretical and experimental work on optical, wireless and 5G/6G communications, joint communications and sensing, and signal processing, alongside publishing, presenting and assisting with undergraduate supervision.

Barclays · Knutsford

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.

CBSbutler Holdings Limited trading as CBSbutler · Bracknell · £60,000 – £70,000 pa

Security Application ArchitectSalary: £60-70K per annum + enhanced benefitsLocation: Bracknell, with regular travel to London and the South WestSecurity Clearance: Must be willing and eligible to undergo high-level security clearanceAn exciting opportunity has arisen for a Security Application Architect to...

Global Technology Solutions Ltd · Reading · £50,000 – £60,000 pa

Senior technical authority in Security Operations, leading serious incidents, forensic investigations and root cause analysis while improving detection and response. Engineers Sentinel, Defender XDR, CrowdStrike Falcon, Entra ID, Intune and Darktrace, develops automation and conducts proactive threat hunting, and mentors colleagues.

Mentmore Recruitment · Reading · £59,000 pa

Assesses the design and operational effectiveness of cybersecurity controls across a complex technology environment, executing testing activities and adapting test scripts to different control environments. Gathers and reviews evidence, documents findings, maintains test plans and reports, and works with control owners to complete assessments. Covers domains such as threat intelligence, identity and access management, incident response and cryptography.

NCC Group · Manchester

Acts as the customer's technical owner for the service, quantifying security maturity through the TAM Score framework and steering a defensible 12-month technical roadmap. Provides deep Splunk expertise, translating data into narrative to surface high-leverage gaps and guide measurable improvement quarter by quarter. Also serves as a technical buffer between customers and internal operational teams, resolving queries and packaging escalations.