Top Cyber Security Jobs in Bristol

Leads HPE’s EMEA channel security sales organization, managing approximately 10 direct and indirect team members. Owns security revenue, partner strategy, forecasting, pipeline development, channel growth, executive relationships, and sales execution across products including SASE, firewalls, SD-WAN, NAC, and related networking solutions. Recruits, coaches, and develops sales talent while driving operational discipline, partner engagement, recurring revenue, and strategic business planning. The role requires approximately 70% nationwide travel and hybrid office attendance.

Create and improve governance, risk, and compliance security labs, challenges, and learning content. Research regulations and standards, develop practical simulations, peer-review cyber ranges, simplify complex cybersecurity concepts, and advise engineering and product teams on security and privacy by design. The role requires GRC audit experience, knowledge of major compliance frameworks, strong cybersecurity fundamentals, and the ability to create engaging training for technical and non-technical users.

Lead security incident response and digital forensic investigations, act as Incident Commander, monitor and analyze security events, build scripts and automated workflows (Python), use SIEM and cloud (AWS/GCP) tooling, mentor engineers, coordinate cross-team remediation, participate in on-call rota aligned to UK/EMEA hours.

Lead a team of 10 Data Security Specialist Account Executives across EMEA and APJ. Responsibilities include recruiting and coaching sales talent, managing regional business plans and forecasts, collaborating with sales, marketing, product, services, and partners, and driving revenue attainment. The role requires software or security sales experience, data security leadership, regional management, C-level selling, and familiarity with AI/ML technologies.

Leads technical direction and hands-on execution for major products and systems. Designs scalable backend, frontend, API, database, and infrastructure solutions; writes code; drives architecture decisions; solves production issues; improves engineering quality, reliability, security, testing, and observability; and mentors engineers across teams.

Lead and manage a cross-functional engineering team to deliver reliable, scalable wealth-management products. Drive architecture, code quality, observability, incident response, and engineering culture while coaching engineers and improving processes to increase delivery speed and reliability.

Own technical direction and execution for major products and systems. Design scalable and reliable architectures, write production code, lead architecture decisions, solve complex engineering problems, and drive initiatives from concept through production. Improve engineering quality across testing, security, observability, and development practices while mentoring engineers and coordinating work across teams and products.

Lead and manage a cross-functional engineering team to deliver and scale customer-facing products. Own architecture, delivery, reliability, observability, and production outcomes. Coach engineers, run reviews, improve processes and tooling, and drive technical decisions across frontend, backend, APIs, databases, integrations, and infrastructure.

Lead and manage a cross-functional engineering team to design, build, and operate production systems. Own technical architecture, delivery, reliability, and processes. Coach engineers, run reviews, resolve incidents, and drive product outcomes while balancing speed, scalability, and quality.

Leads the architecture and delivery of GitLab’s static analysis engine and evaluation tooling. Owns program modeling, vulnerability detection quality, SAST rules, AI-assisted development guardrails, and benchmark validation. Sets technical direction, mentors engineers, coordinates complex initiatives, contributes to research and open source, and participates in on-call rotations. The role requires deep program analysis, application security, systems programming, performance optimization, containerized CI/CD, and experience building trustworthy LLM tooling.

Designs, builds, tests, and improves cloud security labs, challenges, and learning content for a cyber resilience platform. The role focuses on AWS, Azure, GCP, Kubernetes, SIEM, CSPM/CNAPP, containers, Terraform, serverless technologies, identity, access, networking, monitoring, and DevSecOps. Responsibilities include creating realistic attack-and-defense simulations, translating technical research into accessible content, collaborating with engineering and product teams, and supporting cloud security content strategy.

Leads OT security monitoring and triage operations, investigates suspicious activity across industrial networks, validates detections, and escalates findings to incident responders and threat hunters. Maintains the Dragos Platform for customers, including asset classification, vulnerability management, detection tuning, and hardening recommendations. Produces incident reports, mentors analysts, collaborates across cybersecurity teams, and develops expertise in ICS protocols, adversary tactics, and industrial threat intelligence. The role includes shift-based coverage and occasional weekend or on-call work.

Lead security engineering delivery for complex, security-sensitive infrastructure projects. Define threats, vulnerabilities, operational requirements, risk treatments, and integrated physical, electronic, personnel, procedural, and digital security solutions. Coordinate with multidisciplinary design teams, assure technical outputs, manage scope, budgets, resources, quality, and client relationships, and mentor less-experienced engineers. Support bids, proposals, service development, and professional growth while contributing across the built-asset lifecycle.

Lead hands-on product security architecture across GitLab, including design reviews, threat modeling, systemic risk remediation, security standards, prototypes, and reusable developer guardrails. Partner with engineering and product leaders, secure distributed systems and software supply chains, guide AI coding tool security, mentor security engineers, and influence technical direction through proactive architecture and clear communication.

Design, develop, test, deploy, and support secure, scalable software solutions for national security and government customers. The role involves cloud-native development across AWS and Azure, CI/CD pipeline creation with GitLab, architecture and technical design, customer collaboration, code reviews, mentoring, and technical strategy. Depending on experience, the engineer may lead teams and manage customer relationships.

Build and maintain bespoke full-stack software solutions for national security government customers. Responsibilities include design, development, testing, Agile delivery, GitLab-based continuous integration, cloud deployment across AWS and Azure, and full software lifecycle participation. Depending on experience, the role may also involve team leadership and client engagement. The position is predominantly based in Bristol or at a customer site in Cheltenham.

Designs and implements automated UI, API, and system testing solutions within CI/CD pipelines. The role combines manual, exploratory, and automated testing; develops scalable test frameworks; supports performance, security, accessibility, and operational acceptance testing; and promotes quality engineering practices across Agile delivery teams. The engineer collaborates with developers, architects, DevOps specialists, and product stakeholders on secure, resilient national security solutions.

Graduate Software Engineer working in agile teams on mission-critical national security projects. Responsibilities include designing, developing, testing, building, and deploying software systems, progressive web applications, and data processing pipelines across public and private cloud environments. The role includes using GitLab, AWS, Azure, open-source technologies, Agile methodologies, and DevOps techniques while supporting government departments.

Design, implement, and maintain AWS cloud infrastructure and Kubernetes environments for secure, highly available software solutions. Develop automation for deployment, monitoring, testing, and maintenance; establish security, compliance, and disaster recovery procedures; optimize performance, resilience, and cost; troubleshoot issues; and mentor junior DevOps engineers within an Agile team.

Build BLP’s core software across infrastructure, backend, machine learning, and product extension platforms. Responsibilities include operating secure and observable cloud infrastructure, developing performant distributed systems, applying AI to business problems, and enabling customer process automation. The role emphasizes formal reasoning, correctness by construction, maintainable systems, type systems, and functional programming. Work is available onsite in Zurich or remotely within Europe.

Develop and maintain C-based security software and PKCS#11 interfaces for NVIDIA DRIVE OS and Tegra automotive platforms. Responsibilities include low-level systems development, debugging, integration, testing, automation, code reviews, release support, and resolving complex hardware/software and customer issues. The role requires collaboration across engineering, security, safety, quality, architecture, and customer teams while following secure and safety-conscious product lifecycle processes.

Designs and implements enterprise cybersecurity capabilities across cloud, AI, applications, infrastructure, and data. Responsibilities span security architecture, LLM and agentic AI security, red teaming, threat modeling, DevSecOps, secure CI/CD, detection engineering, threat hunting, SIEM/SOAR automation, security data science, knowledge graphs, and advanced security testing.

Leads the strategic direction, growth, and delivery of an information security consultancy practice. Responsibilities include managing and mentoring teams, overseeing ISO 27001 and Cyber Essentials engagements, advising clients on governance, risk, compliance, AI security, and emerging technologies, developing methodologies, supporting proposals and business growth, and communicating risks to senior stakeholders.

Provides corporate security and customer service across Kent sites. Duties include access control, ID checks, patrols, incident investigation, emergency response, visitor assistance, daily reporting, and surveillance monitoring. The role requires a valid Frontline SIA licence, UK manual driving licence, at least one year of corporate security experience, IT literacy, strong communication skills, professional presentation, problem-solving ability, and availability seven days per week.

Lead and mature Mozilla's ISMS and compliance programs (ISO 27001 and SOC 2 Type 2). Manage SoA, risk treatment, audits, policy lifecycle, gap remediation, internal audits, and cross-functional control ownership while advising security leadership on certification readiness and compliance strategy.