Top Cyber Security Jobs in Bristol

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.

Leads Jhpiego’s global security strategy, policies, risk mitigation, crisis and incident response, travel security, business continuity, investigations, training, and physical asset protection. Manages security vendors, intelligence networks, emergency response plans, executive travel safety, and global security personnel. Provides mentorship, cross-cultural leadership, and technical guidance across international programs, particularly in conflict-affected regions.

Maintains a proactive security presence at a holiday resort, monitors and responds to incidents, supports guests and colleagues, and accurately completes security, accident, and incident reports. The role requires a full clean driving licence and SIA Door Supervisor licence, with potential DBS or equivalent background checks.

Leads the development of security tools, integrations, automations, and services from requirements through operational handover. Translates SOC and threat intelligence needs into technical capabilities, evaluates emerging security technologies, manages proof-of-concepts and pilots, and provides technical leadership. The role also establishes and develops the security capability function while collaborating with engineers, vendors, SOC teams, and CTI specialists.

Designs and delivers cyber security and resilience training for UK education and research organisations. Responsibilities include developing training roadmaps, creating learning materials, facilitating workshops and presentations, and delivering practical exercises covering ransomware, incident response, crisis management, red teaming, and tabletop simulations. The role collaborates with subject matter experts and sector partners to improve cyber resilience and represents Jisc at relevant events.

Conduct outbound cold calls and email outreach, identify and qualify prospective clients, understand customer needs, communicate product value, and meet sales targets. The role partners with sales teams, manages assigned territories, engages senior stakeholders, and serves as a subject matter expert on Abnormal AI products. Fluency in Dutch, strong communication skills, sales technique experience, organization, resilience, and familiarity with sales and AI tools are required.

Analyze complex datasets, develop dashboards and reports, translate stakeholder requirements into data-driven solutions, and support analytical models and AI-enabled capabilities. The role involves collaborating with engineers and multidisciplinary Agile teams, ensuring data quality and documentation, presenting insights, and supporting UX/UI design within a secure Defence programme.

Own the end-to-end Continuous Control Monitoring capability, including KPI and KRI development, cybersecurity risk insights, product roadmap management, solution design, stakeholder engagement, and supplier service oversight. Advise senior management on cybersecurity posture, threats, strategies, and risk management while ensuring alignment with regulatory requirements, industry standards, risk appetite, and vulnerability management standards.

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.

Leads EMEA renewals sales for Data Security and Application Security portfolios, owning retention, recurring revenue, forecasting, churn mitigation, and commercial execution. Manages Renewal Sales Managers and Specialists, develops regional strategy, negotiates strategic contracts, and partners with Sales, Finance, Customer Success, Product, Legal, and Executive Leadership. The role also drives renewal governance, operational excellence, organizational development, talent coaching, and executive reporting across geographically dispersed teams.

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.

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.

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.

Provide technical security advice and through-life assurance for Thales IS/IT environments. Deliver security reviews, cloud and incident response guidance, compliance to government standards, risk assessments, CoCo assurance, and security requirements for delivery squads. Maintain security documentation and support continual assurance, training, and remediation across on-premises and cloud systems.

Implement and support the cybersecurity risk assessment framework, processes, and vendor tooling. Prepare cybersecurity risk reports for governance forums, review risk appetite statements, develop risk training, and help embed risk assessment into business and technology change. Coach and mentor Cyber Risk Analysts and Associates while collaborating with Governance, Risk & Compliance stakeholders.

Respond to and investigate security incidents, manage threat and vulnerability programs, operate SIEM and EDR tooling, develop incident response runbooks, automate security workflows, lead phishing and security awareness campaigns, and support purple team exercises. The role also owns vulnerability reporting, remediation metrics, stakeholder communication, and continuous improvement of security operations.

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.

Designs, implements, maintains, and improves cybersecurity controls across enterprise systems, networks, cloud environments, and applications. Deploys and troubleshoots security technologies, responds to incidents, identifies security requirements, supports audits and change management, documents procedures, analyzes risks, and delivers remediation recommendations. Collaborates with architects, project managers, engineers, and stakeholders to protect organizational data and infrastructure while automating repeatable security tasks.

Provides enterprise SOC/MDR security operations support focused on QRadar administration and engineering, log source integrations, troubleshooting, use case development, content tuning, workflow maintenance, and automation. Supports integrations such as CrowdStrike auto-isolation and develops Python scripts for existing automation requirements. Requires extensive hands-on QRadar expertise and significant IT experience.

Provides on-call security coverage for a gaming property, protecting patrons, employees, guests, and company assets. Maintains property security, enforces internal controls and gaming regulations, prepares incident reports, assists during emergencies, and supports guest inquiries and escorts. Requires flexible availability for weekends, holidays, events, and varying shifts, along with compliance with licensing, background check, drug screening, CPR/AED, and bloodborne pathogen requirements.

Conduct advanced application security research across GitLab’s DevSecOps and AI-powered platforms. Identify and exploit novel, systemic, and chained vulnerabilities; develop proof-of-concept exploits, testing methodologies, and research automation; assess AI attack vectors and open-source dependencies; drive remediation and security improvements; advise engineering teams, contribute to roadmaps, mentor researchers, and share findings with the security community.