Cyber Security Jobs

Sr. Manager, Data Science , GBR)

Lead a team of data scientists focused on applying machine learning and large language models to cybersecurity challenges, including malware detection, behavioral threat analysis, and AI-driven security automation. Translate business needs into technical research objectives, guide production ML system development, and collaborate with security researchers and engineers. Work at the intersection of reverse engineering, AI, and large-scale data systems processing trillions of events daily.

CrowdStrike United Kingdom

Remote

Sr. Manager, Data Science , GBR)

Lead a team of data scientists focused on applying machine learning and large language models to cybersecurity challenges, including malware detection, behavioral analysis, and AI-driven threat response. Translate business needs into technical research objectives and guide the development of production ML systems at scale. Collaborate with security researchers and engineers to solve complex, real-world problems in a high-impact environment.

CrowdStrike

Remote

Senior Software Test Engineer

A Senior Software Test Engineer will lead quality assurance efforts across frontend, backend, and mobile products using microservices and machine learning. The role involves designing automated test frameworks, mentoring team members, and integrating testing within CI/CD pipelines. The engineer works closely with cross-functional teams to ensure robust, scalable, and secure software delivery.

Entrust Cannock Chase, United Kingdom

Senior Hardware Engineer

Design and develop high-quality Hardware Security Modules (HSMs) with a focus on security, reliability, and manufacturability. Engage in hardware prototyping, integration, and validation within an Agile framework, while supporting certification requirements and mentoring junior engineers. Work across electronic, digital, and mechanical domains in a multidisciplinary team.

Entrust Cambridge, United Kingdom

GSI/Advisory Solution Architect

This role involves enabling and collaborating with Global System Integrators and advisory partners to build, market, and deliver solutions using Palo Alto Networks' Idira identity security technologies. The Solution Architect leads technical enablement, joint solution development, and co-innovation initiatives, ensuring partners are technically aligned and capable. Key activities include delivering training, designing reference architectures, supporting pre-sales efforts, and influencing product strategy through partner feedback.

Palo Alto Networks London, United Kingdom

Staff Customer Success Engineer - Prisma AIRS

This role involves serving as a principal technical advisor and AI security architect for enterprise customers, focusing on deploying and optimizing Prisma AIRS solutions within complex global environments. The engineer will drive strategic adoption of AI-driven security workflows, deliver executive-level insights through data analytics, and act as a top-tier escalation point for critical technical issues. The position emphasizes proactive risk mitigation, customer retention, and influencing product direction based on real-world enterprise needs.

Palo Alto Networks London, United Kingdom

Remote Permanent

Junior Cyber Audit Consultant

This role involves supporting senior consultants in conducting cyber audits of defence-related systems and processes, ensuring compliance with frameworks like NCSC CAF and GovAssure. The junior consultant will assist in audit planning, documentation, and reporting, while gaining experience to progress into a lead audit role. Work includes contributing to Cyber Risk Profiles and collaborating with management on corrective actions within a nationally significant defence cyber assurance context.

CONVENTUS SOLUTIONS LIMITED Wiltshire, United Kingdom £45,000 – £50,000 pa

Hybrid Permanent Clearance Required

Senior SOC Analyst

This role involves leading complex security incident investigations, designing and tuning detection rules in SIEM/EDR platforms, proactive threat hunting in cloud and CI/CD environments, and building automation through SOAR. The analyst will drive improvements in SOC maturity, collaborate with engineering teams to strengthen security posture, and mentor junior staff, all within a modern cloud-first environment.

Ballantyne Technology Associates Ltd Reading, Berkshire, United Kingdom £75,000 – £90,000 pa

Hybrid Permanent

Cyber Security Architect - OutsideIR35

This role involves reviewing and improving cyber security architectures across a critical transport infrastructure organisation’s digital estate. The Security Architect will conduct risk assessments, advise on secure design, and support the implementation of security controls across network, cloud, and endpoint environments. Working closely with technical teams and stakeholders, they will enhance security practices within a highly regulated, safety-critical setting.

GCS Hillingdon, London, United Kingdom £500 – £600 pd

Hybrid Contract Clearance Required

Cryptography Operations Engineer

This role involves managing cryptographic assets, including encryption keys and HSMs, to ensure data security across enterprise systems. The engineer will monitor, implement, and support cryptographic solutions, conduct security assessments, and contribute to policy and training. Work includes BAU and on-call support within a global 24/7 team, using tools from Thales and Entrust in complex Windows and Linux environments.

Barclays Knutsford, WA16 9EU, United Kingdom

Cryptographic Operations Technician

Monitor and maintain cryptographic systems including key management, HSMs, PKI, and certificate services to ensure data confidentiality, integrity, and availability. Perform operational support, security assessments, and incident management within a global 24/7 security team. Develop documentation, training, and security controls while collaborating with stakeholders across technology and security functions.

Barclays Knutsford, WA16 9EU, United Kingdom

GTM Planning and Analysis Lead

Lead the design and execution of global go-to-market planning, including territory alignment, quota setting, capacity modelling, and incentive strategy. Build and maintain data-driven frameworks that inform headcount, revenue planning, and sales compensation, working closely with Finance and senior leadership. Leverage AI tools to accelerate analysis and continuously improve planning processes across regions.

ComplyAdvantage London, United Kingdom

Senior Software Engineer

This role involves building and refining AI-native development tools, agentic system prototypes, and internal visibility platforms to accelerate secure, scalable engineering practices across Mimecast’s R&D organization. The engineer will collaborate across teams to establish reusable architectural patterns, reduce friction in development workflows, and drive the adoption of AI-first practices. The position emphasizes full-spectrum engineering expertise, cross-functional collaboration, and strategic enablement within a cybersecurity-focused, AI-driven environment.

Mimecast London, United Kingdom £80,000 – £120,000 pa

Hybrid Permanent

Senior Solution Architect - Email & Collaboration Security

This role involves shaping the technical direction of Mimecast's core Email & Collaboration Security (ECS) product line by translating complex customer and business challenges into durable, scalable architectures. The Senior Architect will lead problem-framing workshops, own critical integration contracts, and ensure engineering teams have a stable foundation to innovate quickly—while navigating two decades of legacy systems and AI-augmented threats. The position demands deep collaboration across product, engineering, and architecture leadership, with a strong emphasis on AI-first design practices and cost-aware, customer-centric decision-making.

Mimecast London, United Kingdom £124,000 – £186,000 pa

On-site Permanent Clearance Required

Penetration Tester

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.

SmartSourcing Ltd United Kingdom £60,000 – £80,000 pa

Remote Permanent Clearance Required