Cyber Security Jobs

CrowdStrike · Reading · US$140,000 – US$215,000 pa

Lead a growing engineering team building self-service infrastructure-as-code primitives, architecting large-scale core services and driving cloud cost optimisation across multi-cloud environments. The role combines people management with hands-on technical direction, including design reviews, on-call management and SRE practices.

CrowdStrike · London · US$140,000 – US$215,000 pa

Lead a growing engineering team building self-service infrastructure-as-code primitives, architecting large-scale core services, and driving cloud cost optimization across a multi-cloud environment. The role combines people management with hands-on technical direction, setting deployment standards and SRE practices for a platform processing trillions of events daily.

Entrust · Paris, France

Owns a core area of the document verification platform, setting strategy and roadmap for identity document checks used in onboarding and account opening. Partners with Engineering, AI/ML, Data Science, Design, Growth and Compliance to improve verification accuracy, conversion, operational efficiency and fraud prevention, using experimentation and analytics to prioritise investments.

Netcraft · London

Join the Novel Classification team to build and operate machine learning systems that detect phishing sites and online scams at scale. You'll train, evaluate and serve classifiers on GPU-backed Kubernetes, run live experiments on precision and recall, and deploy LLM inference and computer vision models into production.

Barclays · Knutsford

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.

Appcast Enterprise · Farnborough

Lead protective and information security engineering on a critical MOD programme, shaping secure designs, assuring controls, and managing vulnerabilities across infrastructure, endpoints, identity and AWS cloud. Combines hands-on hardening, incident response leadership and ST&V with governance, reporting and mentoring, working largely autonomously on-site in Farnborough with some remote work.

Palo Alto Networks · United Kingdom

Provide dedicated technical support for Prisma Cloud, handling user-reported issues within SLAs via ticketing, phone and remote sessions. Triage and troubleshoot complex application and OS-level problems across Kubernetes, Docker, Linux and public cloud platforms, performing root cause analysis and coordinating fixes with engineering and product teams. Requires UK security clearance eligibility and strong scripting and networking knowledge.

SmartSourcing Ltd · Manchester · £60,000 – £80,000 pa

This role involves conducting comprehensive penetration tests across networks, web and mobile applications, APIs, and cloud environments using both manual and automated techniques. The tester will simulate real-world cyberattacks, identify vulnerabilities, and produce detailed technical and executive reports with actionable remediation advice. A key focus is translating complex security findings for non-technical stakeholders while adhering to strict ethical and compliance standards in a security-cleared context.

Red Sift · London

Lead and work hands-on with a small team to identify, design and deliver business automation that replaces manual processes across Sales, Finance, Marketing, Customer Success and HR. Build automations using AI, workflow platforms (Zapier, Make, n8n, Workato), APIs and data integration, balancing rapid prototyping with robust, maintainable solutions while mentoring the team.

Premier Foods · Winchester

Lead the Enterprise Architecture function, owning architecture principles, standards, governance and assurance across business applications, SaaS, data, cloud, infrastructure, networks, security, AI and OT. Acts as senior technical authority, chairs the Architecture Review Board, and manages internal architects plus third-party partners.

Michael Page · Liverpool · £60,000 – £65,000 pa

Investigating and responding to escalated security incidents, performing detailed event analysis and threat detection while working with external security providers. Acts as a subject matter expert supporting cyber incident response, optimising SIEM, IAM and DLP platforms, running phishing simulations and security reviews across the technology estate.

Palo Alto Networks · London

Lead strategic advisor for enterprise customers modernising their Security Operations Centres through XSIAM deployment, covering log ingestion, detection engineering and automation. The role combines executive-level consulting with hands-on SIEM/SOAR/EDR technical work, mentoring professional services teams and feeding field insights back to Product and R&D. Requires security clearance eligibility and up to 30% travel.

Gleeson Recruitment Group · West Midlands (Region)

Lead the development and delivery of an organisation's information security strategy, governance, risk and compliance programme, including ISO 27001 and Cyber Essentials. Provide technical oversight across infrastructure, cloud, networking and security platforms, manage incident response and third-party security providers, and influence senior stakeholders while shaping the future security function and team structure.

Entrust · United Kingdom - Field (Onfido)

Customer-facing role leading enterprise onboarding and implementation of identity and security solutions, guiding customer engineering teams through design, integration, testing and go-live. Involves hands-on troubleshooting of REST APIs, mobile and web SDKs, log and API traffic analysis, and advising on performance, scalability and security. Requires independently managing multiple concurrent engagements and mentoring junior team members.

eFinancialCareers · Belfast

Operational role running penetration tests, vulnerability assessments and Red Team adversarial evaluations across a global bank's application portfolio. The work is twofold: testing GenAI, agentic and LLM-backed systems for prompt injection, retrieval poisoning and tool misuse, and using AI tooling to speed up security testing. Involves building triage pipelines and containment architectures for AI agents at enterprise scale.