Cyber Security Jobs

• United Kingdom
• Remote
• Senior

Joins the Advanced Research Team to perform vulnerability research and exploit development, analysing vendor patches to find vulnerabilities and building proof-of-concept exploits. Also develops automated tooling for large-scale data collection and analysis, and investigates evidence of 0-day and n-day exploitation. Publishes research on the blog or at conferences and supports other intelligence teams with ad-hoc technical work.

CrowdStrike · Windows · Linux +5

• Israel
• Remote
• Senior

Join the Advanced Research Team to perform vulnerability research across a wide range of targets, including analyzing vendor patches to identify vulnerabilities and develop proof-of-concept exploits. You will build automated solutions for collecting and processing data at scale, reverse engineer malicious payloads, and publish findings on the CrowdStrike blog or at conferences.

CrowdStrike · Windows · Linux +5

• London
• Hybrid
• Lead
• Permanent

Lead the identity practice within a cyber security services company, shaping and delivering identity-focused security capabilities for clients in critical sectors. The role sits at the centre of a team protecting essential services, combining practice leadership with client-facing security transformation work.

• Daventry
• Hybrid
• £45,000 – £55,000 pa
• Lead

Lead Cyber Essentials Basic and Plus assessments end to end, arranging customer sessions, reviewing submissions, running vulnerability scans and sample testing, and giving clear remediation feedback. Also supports managed-service customers through Vulnerability Management as a Service, reviewing open vulnerabilities and advising on fixes, while acting as a senior point of contact guiding other assessors and contributing to automation and process improvements.

VMaaS · CSTM · IASME List A +4

• Derby
• On-site
• £40,000 – £70,000 pa
• Permanent

Design, develop and test embedded software in C/C++ for secure communications products, working with RTOS, ARM microcontrollers and register-level programming. The role involves unit testing, static analysis, code reviews and technical documentation within a multidisciplinary team, with security and quality central to delivery.

STM32 · JTAG · ETM +2

• Hull
• £45,000 – £55,000 pa
• Mid-level · manages people

Owns the global IT service desk for an international business, managing incidents, requests and escalations across the UK, US and Australia. Establishes service levels, processes and a knowledge base, oversees user and asset lifecycles, manages third-party suppliers and leads regional support teams, reporting to the Group Head of IT.

• London
• Hybrid · 3 days in office
• £50,000 – £60,000 pa
• Mid-level

Own a cloud-first Microsoft Azure environment for a growing London SaaS business, covering security, reliability and cost-effectiveness. Manage Microsoft 365, identity and internal IT while supporting product engineers and working with compliance colleagues and an external MSP. AI tools, scripting and automation are actively encouraged.

Microsoft Azure · Microsoft 365 · Entra ID +4

• London
• Hybrid · 3 days in office
• £50,000 – £60,000 pa
• Mid-level

Own a cloud-first Microsoft Azure environment for a growing London SaaS business, covering infrastructure security, cost and reliability. Manage Microsoft 365, identity and internal IT while supporting product engineers and working with compliance colleagues and an external MSP. Uses AI tools, scripting and automation to improve efficiency.

Microsoft Azure · Microsoft 365 · Entra ID +4

• London
• Remote
• £75,000 – £95,000 pa
• Mid-level

Hands-on infrastructure role maintaining the security, availability and resilience of core systems on GCP. You'll design and manage cloud infrastructure with Terraform and Chef, support Linux, MySQL, Apache and PHP environments, run vulnerability assessments and patching, and work with SRE and compliance teams on SOC 2 alignment and CI/CD automation.

GCP · Kubernetes · Docker +7

• London
• Remote
• £40,000 – £50,000 pa
• Mid-level

Build and improve web applications for a cyber security business, working across the full stack with React interfaces and Node.js services and RESTful APIs. You'll own tasks from requirement to delivery, embed application security, and use AI-assisted development tools daily, joining a small team where you can influence technical and architectural decisions.

React · Node.js · Git +7

• Altrincham
• Hybrid
• £50,000 – £60,000 pa
• Senior

Hands-on senior role taking shared ownership of Azure workloads, VMware virtualisation, Microsoft 365 and Entra ID in a small, close team. Splits time between day-to-day management and project work, including new Azure workloads hosting in-house AI and automation tooling, acting as third-line escalation and working with the Cyber Security team.

Azure · VMware · Microsoft 365 +7

• Chislehurst
• On-site
• £26,000 pa
• Entry level

Provide first and second-line IT support, troubleshooting hardware, software and connectivity issues while administering Microsoft 365, user accounts and device management. Work in a small team supporting Intune, Autopilot, cybersecurity and emerging technologies such as AI and Copilot, with involvement in IT projects and upgrades.

Microsoft 365 · Exchange Online · SharePoint +7

• London
• Hybrid · 3 days in office
• £500 – £600 pd
• Senior
• Contract

Supports cyber governance, risk management and control execution across core business functions in a high-assurance, regulated environment. Day-to-day work covers cyber risk assessments, security issue management and close collaboration with cross-functional stakeholders. Contract role with hybrid working, three days a week in office.

• West Byfleet
• Senior

Hands-on architecture role shaping AWS cloud strategies, standards and governance for secure, business-critical environments. You will design resilient, highly available solutions, lead infrastructure automation and migration projects, and provide technical leadership to engineering teams while engaging directly with customers. Distinct for its focus on Defence, National Security and Public Sector work requiring existing DV clearance.

AWS · EC2 · S3 +7

• Dublin, Ireland
• Hybrid
• Senior · manages people
• Permanent

Lead a small defensive security team accountable for detection, investigation and response across cloud, endpoint, identity and SaaS estates, while managing an outsourced monitoring partner and driving measurable improvement. The role owns serious incident response, detection tuning and a plan for AI and automation in the SOC, working alongside a separate leader focused on engineering and architecture.

Microsoft