Top Cyber Security Jobs in Bristol

Lead end-to-end product design for AI security and agentic experiences within an enterprise cybersecurity platform. Responsibilities include user research, complex workflow and information architecture design, prototyping, validation, design-system governance, Object-Oriented UX, and translating cybersecurity data into intuitive interfaces. The role partners closely with Product, Engineering, and Research, uses customer insights and behavioral analytics to measure outcomes, and advances scalable, accessible AI-powered product experiences.

Provide technical support for CircleCI customers by building and improving AI support agents, testing agent responses, troubleshooting cloud and distributed systems, and resolving complex customer issues. Maintain documentation, report bugs and incidents, communicate during outages, share feedback with Product and Engineering, meet response targets, and participate in on-call support.

Drive digital transformation and information management for a secure defence programme. Responsibilities include aligning digital strategies, developing enterprise information models using architecture frameworks, coordinating stakeholders, analysing project data, identifying risks, producing documentation, leading workshops, supporting bids, researching technologies, and contributing to team development. The role is hybrid in London, Bristol, or Manchester, with potential travel to client sites.

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.

Conduct security research within HP’s Security Lab, exploring endpoint, infrastructure, supply chain, cryptographic, trusted hardware, firmware, privacy, and edge AI security technologies. Responsibilities include reviewing state-of-the-art research, identifying novel technical approaches, designing solutions, and demonstrating feasibility through prototypes or papers while collaborating with cross-disciplinary research teams.

Research and develop endpoint security architectures spanning hardware, firmware, cloud, edge, and device lifecycle management. Build prototypes, validate concepts with users and business partners, write invention disclosures and technical papers, and collaborate with R&D teams. The role requires computer systems, hardware, firmware, programming, security architecture, endpoint protection, and threat-modeling expertise, plus the ability to communicate technical concepts and connect security innovations to business strategy.

Research and design hardware and firmware security architectures for future endpoint devices. Develop prototypes, analyze technology and threat trends, model vulnerabilities and mitigations, document technical designs, validate use cases, and collaborate with security researchers, HP business units, end users, and technical stakeholders to shape security innovation roadmaps.

Designs and researches hardware and firmware security architectures for endpoint devices, including hardware roots of trust. Responsibilities include analyzing threats and use cases, prototyping security concepts, documenting technical designs, validating solutions with users and business partners, and collaborating with security researchers and R&D teams. The role requires strong computer architecture and low-level hardware and firmware expertise, plus the ability to communicate technical concepts to diverse audiences.

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 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 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 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.

Leads risk-based information security assurance reviews across enterprise IT, cloud, operational technology, critical infrastructure, and third-party environments. Assesses control design and effectiveness, coordinates audits and certifications, performs evidence-based testing, reports findings, tracks remediation, and advises stakeholders on cyber risk, governance, compliance, and continuous improvement.

Designs and delivers cyber security and resilience training for UK education and research organisations. Responsibilities include creating training roadmaps, developing learning materials, facilitating workshops, presentations, tabletop exercises and simulations, and covering incident response, ransomware, crisis management and security frameworks. The role also collaborates with internal and external teams, evaluates learning outcomes, supports sector capability development, and requires regular weekly UK travel.

Leads technical and strategic security engineering for new-build and fit-out projects across RIBA stages. Responsibilities include risk assessments, mitigation strategies, operational requirements, security master planning, physical security design, electronic security systems design, and counter-terrorism guidance covering hostile vehicle mitigation, bomb blast, and ballistics. The role also requires business development, security consultancy expertise, and collaboration with project specialists.

Supports health, safety, fire safety, and security operations by administering policies, investigating incidents, delivering training, maintaining documentation and records, conducting fire drills, and assisting during emergencies. Requires prior experience in a similar role, a current SIA Door Supervisor license, strong customer service and observation skills, professional assertiveness, and the ability to work independently and within a security team.

Leads security engineering and testing across platforms and services, setting testing methodologies, scopes, tools, and reporting standards. Performs penetration testing, source-code security assessments, threat modeling, and cloud and web application security reviews. Partners with agile teams to embed continuous security practices, mentors junior engineers, manages team performance, and communicates security risks to technical and nontechnical audiences.

Supports IAM audit and compliance activities by coordinating evidence collection, reviewing control documentation, tracking findings and remediation, conducting control testing and access reviews, and preparing audit-readiness metrics. Uses Excel, Microsoft Copilot, AI tools, and automation to analyze data, improve evidence quality, identify risks, and strengthen security control maturity.

Leads and develops the Solutions Engineering team across the UK and France. Partners with Sales on enterprise opportunities, technical discovery, demonstrations, proofs of concept, and executive presentations. Establishes scalable pre-sales processes, allocates resources, improves technical win rates, and collaborates with Product and R&D on customer needs. Supports hiring, coaching, strategic customer engagements, and organizational growth while maintaining expertise in cloud security and emerging threats. Frequent customer and partner travel is required.

Lead technical pre-sales engagements for enterprise email security customers. Partner with sales teams, conduct workshops and presentations, architect tailored solutions, and guide migrations from legacy Secure Email Gateways to Abnormal AI’s API-based platform. Build trusted customer relationships, troubleshoot migration challenges, provide product feedback, develop enablement content, and represent the company at industry events.

Manage a portfolio of security-focused system integrators across the UK and Ireland. Develop partner business plans, support security sales opportunities involving Defender, Sentinel, Entra, and Purview, coordinate Microsoft partner teams, and build executive relationships. Help partners establish profitable Microsoft Security practices, overcome sales barriers, align with Microsoft priorities, and deliver agreed business outcomes.