Top Cyber Security Jobs in Bristol

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.

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.

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.

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.

Own strategic customer relationships for Upwind’s cloud security platform, managing the post-sale journey from onboarding through renewal and expansion. Drive adoption, value realization, executive alignment, joint success planning, QBRs, and measurable security outcomes. Partner with Sales, Technical Account Managers, Solutions Architects, and Product teams to support retention, identify growth opportunities, and connect technical capabilities to business impact and ROI.

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.

Provides professional security and customer service at a shopping centre. Responsibilities include patrolling the site, monitoring surveillance, managing incidents and emergencies, preventing unauthorized access, recording events, coordinating with the control room, supporting visitors and tenants, and maintaining a safe environment. The role requires SIA and CCTV licenses, first aid training, flexibility to work 48 hours weekly, and availability for occasional additional shifts.

Advise clients and project stakeholders on security requirements, controls, risk management, governance, assurance, supply chain security, and technical security for major capital programmes. Develop and review security frameworks and governance documents, interpret security schedules, and translate technical risks into actionable business guidance across sectors including life sciences, defence, datacentres, and critical national infrastructure.

Provides on-site security at a gatehouse and industrial facility by controlling access, checking visitors and vehicles, conducting patrols, monitoring activity, responding to incidents, and maintaining accurate security records. The role requires professional customer service, strong communication, vigilance, and the ability to work independently on a rotating 4-on, 4-off shift pattern.

Conduct outbound cold calls and emails, identify prospect needs, qualify marketing leads, develop new business, and achieve sales targets. The representative will engage C-level stakeholders, communicate product value, collaborate across sales teams, and serve as a subject matter expert on Abnormal AI offerings. Fluency in Dutch, strong communication, organization, resilience, and experience with sales techniques are required.

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.

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.

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.

Own the full enterprise sales cycle across the UK, from prospecting and new-logo acquisition through negotiation and close. Manage complex, multi-stakeholder deals, deliver tailored demos and proof-of-value engagements, maintain Salesforce pipeline forecasts, and build trusted executive relationships. Collaborate with Marketing, Sales Engineering, Product, and Leadership while consistently exceeding quotas. The role also includes mentoring junior team members and applying structured sales methodologies.

Drives adoption, optimization, and customer success for Splunk’s security platform. Provides technical guidance on Enterprise Security and UBA use cases, configuration, and resilience; resolves complex challenges; collaborates with sales, support, and product teams; develops scalable processes and enablement materials; identifies expansion opportunities; and mentors team members. Requires substantial information security experience, Splunk certifications, SIEM expertise, security certifications, and proficiency across Unix, Windows, Bash, and Python.

Design, implement, test, and ship Firefox security and hardening features for enterprise users. Improve browser security architecture across operating systems, including privilege isolation, trust boundaries, cryptographic protocols, WebPKI, and security-sensitive web APIs. Investigate security issues, deliver maintainable fixes, and resolve stability, correctness, performance, memory, and multithreading challenges in a complex native codebase.

Secure Tide’s web, mobile, and cloud-native products through vulnerability hunting, threat modeling, secure design reviews, remediation, proof-of-concept scripting, and CI/CD security automation. The role serves as an Application Security subject matter expert, partners with engineering and product teams, communicates risks to executives, and mentors junior engineers.

Own and support strategic B2B events across EMEA, including conferences, flagship events, executive programs, and trade shows. Responsibilities include end-to-end logistics, vendor coordination, budgets, project plans, registration, stakeholder collaboration, on-site execution, post-event reporting, ROI tracking, and regional event strategy. The role requires managing multiple concurrent events, coordinating cross-functional teams, and traveling extensively across EMEA with occasional APAC and AMER travel.

Provides flexible technical expertise across customer engagements, partnering with Customer Success Managers to investigate issues, optimize platform configurations, deliver best-practice guidance, document recommendations, identify expansion opportunities, and escalate complex situations. The role manages multiple short-term technical engagements across enterprise SaaS or cybersecurity customers and surfaces recurring patterns to Product, Engineering, and Customer Success.

Designs, implements, and maintains security architectures for UK defence ICT systems. Responsibilities include translating business needs into security requirements, managing threats and vulnerabilities, evaluating security technologies, developing security policies and incident response plans, conducting security assessments, and communicating risks to technical and senior stakeholders. The role requires cybersecurity architecture experience, defence security standards knowledge, technical documentation skills, and hands-on familiarity with security technologies and frameworks.

Builds and operates security controls, tooling, detection content, and automation across cloud and corporate environments. Responsibilities include SIEM/SOAR administration, log onboarding, endpoint security, cloud configuration and hardening, identity and access controls, Kubernetes security, secrets management, vulnerability remediation, incident investigation, audit support, and technical documentation. The role provides remediation guidance, improves detection quality, supports resilience exercises, and maintains auditable, version-controlled security configurations in a regulated healthcare environment.

Own enterprise sales across the UK and Ireland, generating new business, managing the full sales cycle, engaging C-level and technical stakeholders, leading proofs of value, negotiating contracts, and closing multi-year partnerships. The role involves territory planning, channel and AWS ecosystem collaboration, accurate forecasting, Salesforce discipline, and selling cloud security solutions to mid-large enterprises.

Manage strategic customer relationships after sale, lead technical onboarding and cloud deployments, support feature adoption, address issues, gather feedback, guide roadmap discussions, and partner with sales on renewals and expansions. Advocate for customer needs across Product Management and Technical Support while ensuring customers achieve measurable value from the Upwind cloud security platform.