Cyber Security Jobs

Sr. Vulnerability Researcher

Conducts advanced vulnerability research and exploit development, focusing on analyzing patches, identifying zero-day vulnerabilities, and reverse engineering malware. Develops automated tools for large-scale data analysis and collaborates across teams to publish technical findings. Works on dynamic security challenges requiring rapid, innovative solutions in a remote environment.

CrowdStrike

Remote Permanent

Sr. Vulnerability Researcher

This role involves conducting in-depth vulnerability research and exploit development, analyzing adversary activity, and building automated tools to support threat intelligence operations. The researcher will reverse-engineer malware, analyze patches for zero-day vulnerabilities, and collaborate across teams to reproduce and validate emerging threats. Work is published in reports or presented at conferences, contributing to CrowdStrike’s global security intelligence mission.

CrowdStrike Germany

Remote Permanent

Security Architect (Public Sector & Defence)

The Security Architect role involves designing and assuring secure solutions for complex environments, aligning with client policies and regulatory frameworks. Responsibilities include leading technical security design, collaborating with SMEs, conducting risk assessments, and ensuring compliance with industry standards and government security requirements.

Searchability NS&D Bristol, United Kingdom £85,000 – £95,000 pa

Cyber Security Manager (Public Sector & Defence)

The Cyber Security Manager role involves advising clients on cyber risk, improving security postures, and delivering secure technology transformations. Responsibilities include leading client engagements, conducting security assessments, and applying security frameworks like NIST and ISO 27001.

Searchability NS&D London, United Kingdom £85,000 – £95,000 pa

Fractional DevOps Engineer

The Fractional DevOps Engineer will lead the design and maintenance of a secure and scalable GCP environment, establish CI/CD pipelines, and implement robust security controls. Working 1-2 days per week, you'll collaborate with technical leadership to build a reliable foundation for the company's financial software platform.

Elliot Marsh Admiralty Arch, London, United Kingdom

Senior Infrastructure Engineer

This role involves hands-on technical leadership in Acorn Insurance's IT infrastructure team, focusing on robust, performant, and secure on-premises and Azure systems. Responsibilities include promoting technical excellence, managing 3rd line support, and collaborating with cloud, project, and SecOps teams.

Acorn Insurance Liverpool, United Kingdom £50,000 – £58,000 pa

Datacentre / Hardware Engineer

This role involves hands-on installation, maintenance, and troubleshooting of enterprise hardware and datacentre infrastructure. Responsibilities include managing server, storage, and networking equipment, handling cabling, firmware upgrades, and ensuring compliance with security and health and safety procedures.

Franklin Fitch Newbury, United Kingdom £40,000 – £48,000 pa

Software Engineer

This role involves working with a team of experienced engineers to develop and maintain critical messaging products. Responsibilities include adding new features, debugging issues, improving security, and working with servers, gateways, and protocol bridges. The position offers opportunities for growth and innovation in a stimulating environment.

Ashdown Group Hampton, TW12 2FA, United Kingdom £72,000 – £80,000 pa

Hosted Services Engineer

The Hosted Services Engineer role involves managing and configuring VMWare and hosted network infrastructure to ensure high performance, security, and availability of business-critical applications. Responsibilities include 1st and 2nd line support, network management, and compliance with security standards.

Vizion Network Manchester, United Kingdom £42,000 pa

Remote Permanent

2nd Line IT Support

This role involves providing 2nd Line IT support, managing and resolving technical issues across various customer environments, including Microsoft 365, desktops, and security solutions. The position offers opportunities for growth, including mentoring new team members and potentially advancing to a Team Leader role.

Neoci Ltd Southampton, United Kingdom £30,000 – £35,000 pa

Principal DevSecOps Engineer

This role involves leading the adoption and continuous improvement of DevSecOps practices across complex technology transformation programmes. Responsibilities include designing secure CI/CD pipelines, embedding security practices, and driving observability and compliance. The role combines hands-on engineering with technical leadership.

83zero Bristol, United Kingdom £110,000 – £125,000 pa

Operational Risk Manager ( Technology, fraud & Cyber)

This role involves providing independent oversight and challenge across operational, technology, and information-risk matters within a leading international banking organization. You will lead risk assessments, support risk management activities, and ensure risks are identified, assessed, and managed within the organization's risk appetite.

Robert Walters London, United Kingdom £110,000 – £120,000 pa

Chief Information Security Officer (CISO)

The CISO will lead the development and execution of a comprehensive security strategy, encompassing cloud environments, product security, and data protection. They will work closely with technology and product teams to embed security by design, engage with enterprise customers, and report to the executive and board on security and risk.

SF Partners Birmingham, United Kingdom £120,000 – £150,000 pa

DCS Cyber Security Engineer

The Senior DCS Cybersecurity Engineer will manage and mitigate cyber risks for DCS and OT systems in Biomass and Energy from Waste Power Stations. Responsibilities include conducting risk assessments, providing technical guidance, and supporting incident response and change management processes.

Astute People Risley, Warrington, Cheshire, United Kingdom

Senior Information Security Analyst

This role involves leading complex cybersecurity incident investigations across cloud, identity, endpoint, network, and application environments. The analyst will enhance security controls like DLP and MFA, drive improvements in detection and automation, and provide security assurance for technology changes. They will also mentor team members and translate technical risks into actionable business insights.

Lumentum Towcester, Northamptonshire, United Kingdom