Cyber Security Jobs

Darktrace · London

Owns the end-to-end roadmap for Darktrace's Network Detection and Response product, deciding what gets built and in what order. Works directly with customers running complex zero-trust, cloud-connected and segmented estates, translating their needs into product decisions alongside R&D and Product Marketing. Acts as the internal subject matter expert for the NDR portfolio, with a hybrid working pattern based in London.

Darktrace · Cambridge

Partners with developers and product teams to embed quality from the start, designing and maintaining automated test frameworks across API, UI, integration and regression layers. Builds scalable suites into CI/CD pipelines, drives shift-left testing, and contributes to test strategy, code reviews and architecture discussions.

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.

CrowdStrike · Germany

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. Involves reverse engineering, Linux/Windows internals, Python tooling, and GenAI/LLM workflows, with published research on the CrowdStrike blog or at conferences.

eFinancialCareers · Cardiff · £60,000 pa

Hands-on security engineering role protecting cloud, hybrid and on-premises environments, covering tooling design, automation and control improvements. Day to day involves SIEM log ingestion and routing, firewall and network security, infrastructure assessments using CIS Benchmarks, vulnerability management and SOC incident response. Works alongside engineering and cloud teams, with exposure to IaC, CI/CD pipelines and AI security hardening.

eFinancialCareers · Glasgow · £60,000 pa

Hands-on security engineering role protecting cloud, hybrid and on-premises environments, covering SIEM log ingestion and automation, firewall and network security, and infrastructure assessments using CIS Benchmarks. The engineer also supports vulnerability management, endpoint security, IDS/IPS and SOC incident response, applying security to CI/CD pipelines and Infrastructure as Code.

UCL · London · £68,284 – £78,386 pa

Designs, builds and secures computational software and infrastructure supporting UCL research, with a focus on security hardening, monitoring and resilient systems. Provides cyber-security guidance across Data Science, Research Software Engineering and Research Infrastructure teams, with specialisation in areas such as HPC, ISO 27001, secrets management, privileged access management and Kubernetes security.

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.

Sheffield Hallam University · Sheffield · £40,704 – £45,641 pa

Deliver and develop undergraduate and postgraduate Cyber Security and Computer Networks teaching, with a focus on technical areas, within an applied, project-based learning environment. Engage in industry consultancy and knowledge exchange, helping regional businesses achieve certifications such as Cyber Essentials. The role sits in an NCSC-certified department where staff and students collaborate closely.

LASE (University of Greenwich) · London · £38,784 – £44,746 pa

Fixed-term research post within the Centre for Sustainable Cyber Security, an NCSC-recognised Academic Centre of Excellence, working on the EU-funded GANNDALF project. The role involves studying and addressing the privacy-explainability trade-off in explainable AI for cyber crime investigations, including agency-to-agency data sharing, a decision-support toolbox, and pilot implementations and evaluations. Requires a PhD in computer science and a strong publication record in privacy-enhancing technologies or explainable AI.

QinetiQ · Bristol · £86,400 – £96,000 pa

Provides strategic cyber security consultancy to senior stakeholders, helping organisations understand and respond to evolving security challenges and business risks. Applies frameworks such as NIST, ISO27001, MITRE ATT&CK and Zero Trust to assess vulnerabilities and maturity, while leading teams, supporting bids and developing business within defence and critical national infrastructure.

Oscar Technology · London · £60,000 – £65,000 pa

Hands-on penetration tester owning engagements end to end across web applications, infrastructure, cloud platforms and APIs, from scoping through testing, reporting and client debriefs. Works alongside experienced testers, contributing to methodologies and tooling, with scope to develop in AI security assessments, assumed breach and red teaming.

Bridewell · London

Deliver complex cyber security projects for critical national infrastructure clients, acting as a client-facing consultant who articulates and sells Bridewell's propositions to senior stakeholders. Requires broad security expertise and relationship management at a senior level.

Immersive · United Kingdom

Designs, builds and tests cloud security labs, challenges and gamified learning content covering AWS, Azure and GCP, working with the Principal Cloud Security Engineer and the wider Product and Content teams. Involves researching cloud SIEMs, Kubernetes, CSPM and Terraform to create realistic attack and defence simulations for security professionals.

Bridewell · London

Lead and deliver OT cyber security consulting for critical national infrastructure clients, combining hands-on client-facing work with team leadership. You will build senior internal and external relationships, ensure high-quality delivery, identify new opportunities and shape service-based solutions to drive revenue growth across your service areas.