Cyber Security Jobs

CrowdStrike · Romania

Join the Advanced Research Team to perform vulnerability research across a wide range of targets, including analyzing vendor patches, developing proof-of-concept exploits, and confirming exploitation of 0-day and n-day vulnerabilities. The role also involves building automated solutions for collecting and processing data at scale, reverse engineering, and publishing research on the CrowdStrike blog or at conferences.

CrowdStrike · United Kingdom

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.

eFinancialCareers · London · £70,000 – £90,000 pa

Designs and implements enterprise-scale Zero Trust architectures across users, devices, applications, networks and data, using Zscaler ZIA/ZPA/ZDX and SASE/SSE principles. Involves identity-centric controls, DLP, CASB and FWaaS policy work, threat modelling and architecture reviews, plus technical leadership across security and networking teams in a consultancy setting.

Cloudflare · London

Design, build and operate distributed systems behind Cloudflare's Application Security products (WAF, Page Shield, API Shield) at internet scale, using Go or Rust and devops tooling like Kubernetes and Kafka. The role includes reviewing RFCs and code, on-call shifts, and mentoring other engineers.

TRIA · United Kingdom

Build a new cyber GRC capability from the ground up within a growing Group Security function, reporting to the Head of Cyber Security, Compliance and Risk Management. You'll design the security controls framework, develop risk methodology and KRIs/KPIs, lead Cyber Essentials and ISO 27001 compliance, and manage audit and third-party assurance. Distinct for its greenfield ownership and Board-level reporting remit.

Bridewell · London

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.

Nigel Wright Group · Newcastle upon Tyne · £50,000 – £70,000 pa

Hands-on senior penetration tester joining a professional services group to help build and scale a new penetration-testing capability. Delivers infrastructure tests and some web application assessments, leads complex engagements from scoping to reporting, provides quality assurance for Cyber Essentials Plus, coaches junior colleagues and engages clients in technical pre-sales.

VIQU IT · London · £60,000 – £65,000 pa

Deliver end-to-end penetration testing engagements from scoping through reporting and client debriefs, covering web applications, APIs, infrastructure, networks, cloud and mobile environments. The role sits within a cyber security consultancy, requiring independent client management, strong Burp Suite skills, technical report writing and client-facing communication, plus research into emerging vulnerabilities and tool/script development.

Deerfoot Recruitment Solutions · Leicester · £50,000 – £60,000 pa

First in-house IT role for a growing care group, acting as the intelligent client to an outsourced IT provider. You'll manage SLAs, own Microsoft 365 access and cyber controls, run monthly multi-site health checks, and oversee IT governance and licence spend, reporting directly to the CFO.

VIQU IT · London · £60,000 – £65,000 pa

Deliver end-to-end penetration testing engagements, from scoping through to reporting and client debriefs, across web applications, APIs, infrastructure, networks, cloud and mobile environments. Work directly with clients on a consultancy basis, producing technical reports and contributing to proposals, capability development and tooling. Requires strong Burp Suite, web/API and infrastructure testing skills, with Red Teaming and cloud security experience desirable.

Bridewell · London

Owns the technical relationship between a customer and their managed security service, handling queries, escalations, projects and service improvements. Requires deep Microsoft Security stack knowledge and collaboration with customers and their suppliers to evolve Security Operations capabilities. The role is designed to integrate closely with other Managed Security Service functions, promoting cross-team collaboration and thought leadership.

Techcare · Rugeley · £35,000 pa

Hands-on role across technical support, systems administration and information security for a Managed Services team, acting as a trusted advisor to clients. You resolve tickets within SLA, maintain Microsoft 365 environments, monitor backups and endpoints, close security alerts, and document fixes as knowledge base articles.

eFinancialCareers · London · £60,000 – £75,000 pa

Develops secure, high-performance software in modern C++ and Rust within Linux environments, spanning low-level systems, networking and security-focused platforms. Works across the product lifecycle from concept to deployment in an Agile team, with exposure to embedded systems, networking and cloud technologies. Requires eligibility for UK Security Clearance.

Summer Browning Associates · London

Lead enterprise cloud architecture across GCP and/or AWS, designing secure landing zones, IAM hierarchies and microservices, plus deterministic AI safety controls and perimeter defence. The role also covers systems integration, API layers and architectural governance, including Technical Design Authority approvals and NCSC-aligned assurance within UK central government.

NRL Recruitment · Reading · £60 – £70 ph

Lead the design and implementation of secure OT/ICS cybersecurity architectures, conduct risk assessments and assurance activities, and apply frameworks such as IEC 62443, NCSC CAF, NIS Regulations and ONR SAPs. Provide technical leadership across critical national infrastructure, nuclear and defence programmes, engaging senior stakeholders and regulatory bodies, with some bid and client relationship work.