Cyber Security Jobs

• Uxbridge
• On-site
• £70,000 – £75,000 pa
• Director

Lead the organisation's information security strategy, supported by a Cyber Security Analyst, with responsibility for hardening the technology estate and embedding governance policies. The role centres on driving ISO27001 accreditation, building and improving the ISMS, and overseeing incident response, disaster recovery, supplier relationships and internal audits.

• 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

• Manchester
• £60,000 – £75,000 pa
• Mid-level

Hands-on security engineering role centred on the Microsoft and Azure security stack, covering Defender, Sentinel, Entra, Purview and Azure. The engineer owns security controls, detection rules, telemetry, alerting, automation and response workflows, and helps embed security into delivery processes while contributing to emerging AI security capabilities.

Microsoft Defender · Microsoft Sentinel · Microsoft Entra +3

• 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

• Bampton
• On-site
• £70,000 – £83,000 pa
• Senior
• Permanent

Lead the strategy, architecture and continuous improvement of a global data-security and Data Loss Prevention programme, defining it from the ground up. The role covers design, build, implementation and training, tuning DLP controls across endpoint, email, web, cloud and SaaS channels in a Microsoft 365, Entra ID and Azure environment. Based on-site five days a week in Oxfordshire.

Microsoft 365 · Entra ID · Windows Server +6

• Uxbridge
• On-site
• £70,000 – £75,000 pa
• Mid-level

Lead the organisation's information security strategy and ISMS, working towards ISO27001 accreditation with support from a Cyber Security Analyst. The role covers governance, third-party and auditor management, awareness training, internal audits, and testing disaster recovery, continuity and incident response plans.

• London
• Mid-level
• Permanent

Respond to security incidents across AWS cloud services, triaging issues and driving internal teams to timely remediation while balancing technical and business risk. Build internal automation tools and utilities, mentor junior staff, and share on-call responsibilities. Works within AWS Cloud Response, coordinating multi-team responses and publishing guidance for customer-impacting issues.

AWS

• Cambridge
• Hybrid · 2 days in office

Explore and prototype machine learning solutions across domains, using language models, neural networks, statistical methods and classical ML, then implement models into the wider software stack. Work independently and with software engineers and security analysts, optimising models for latency and memory on edge devices. Hybrid role with two compulsory days a week in the Cambridge office.

PyTorch · TensorFlow · scikit-learn +2

• Cambridge
• Hybrid · 2 days in office
• Mid-level

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.

Cypress · Playwright · pytest +7

• London
• Mid-level
• Permanent

Detect and mitigate invalid traffic and ad fraud across Amazon's advertising network by reverse-engineering malware, inspecting network traffic and hunting threats, including on the dark web. The role blends security engineering, botnet mitigation and intelligence sharing with teams across Amazon, requiring creativity and judgement in a highly ambiguous fraud landscape.

• Cambridge
• Hybrid · 2 days in office
• Senior

Owns prototyping and development of new ideas to improve Darktrace's cybersecurity services, balancing creativity with time constraints. Collaborates with a cross-functional team of engineers, designers and technical strategists on rapid prototyping and structured platform development, advancing methods for defending against unknown cyber-attacks. Requires production-quality Python coding, with Docker and containerisation experience and an interest in malware forensics.

Docker

• London
• Lead

Security lead for an AI engineering team's products and platform, owning security reviews, threat modelling and sign-off from design through production. Covers AI/LLM risks like prompt injection, CVE remediation, scanning tooling in CI/CD, pen testing and incident response, reporting directly to the CIO.

Azure · GCP · GitHub Actions +7

• London
• £80,000 – £90,000 pa
• Senior

Do you have a background in Application Security, DevSecOps or Product Security, with hands-on experience embedding application security into the SDLC If so, this could be an opportunity worth considering.Join a well-established health research organisation and charity supporting large-scale medical…

• United Kingdom
• Remote
• Lead
• Permanent

Owns end-to-end product design for AI-powered and agentic experiences within an enterprise cyber resilience platform, from discovery and prototyping through validation and delivery. Champions Object-Oriented UX, governs the design system, and partners closely with product, engineering and research to turn complex cybersecurity data into intuitive workflows.

Immersive One