Cyber Security Jobs

CrowdStrike · United Kingdom

Build and maintain single-page web applications for the Falcon platform and internal tooling used by Falcon Complete analysts, working primarily in React and Ember.js. The role sits in a distributed, remote-first team building cross-tenant software at very high scale, with responsibility for architecture, code review, automated testing and close collaboration with cloud engineers, UX designers and product managers.

CrowdStrike · Germany

Conducts vulnerability research and exploit development, analysing vendor patches to identify flaws and building proof-of-concept exploits. Reviews logs and payloads to confirm 0-day and n-day exploitation, and develops automated tooling for large-scale data collection and analysis. Publishes findings on the CrowdStrike blog or at conferences and supports other intelligence teams with ad-hoc technical solutions.

Darktrace · Cambridge

Lead the strategy, roadmap and execution of Darktrace's interactive demo estate, shaping how products are showcased to prospects, customers and internal teams. Manage a small team of technical content specialists while partnering with Product, Marketing, Enablement and Sales Engineering to evolve demos from on-rails walkthroughs into live sandbox environments.

Bridewell · London

Join Bridewell, a leading UK cyber security services company, as a Senior Security Architect. You will protect and transform critical business functions for essential service operators, delivering end-to-end security capabilities to help clients overcome their security challenges and operate safely and securely.

Bridewell · London

Deliver OT cyber security consulting services to essential-service operators, leading complex client projects and maintaining senior-level relationships. The role sits within a specialist OT security team, combining hands-on cyber security and operational technology expertise with a client-facing, empathic approach to customer conversations.

Kingdom People · Birmingham

Security Architect role focused on embedding secure-by-design, Zero Trust and IAM across complex, high-assurance systems spanning cloud, networks, applications and data platforms. Involves technical assurance, cryptography, monitoring and pre-sales support, working with solution architects, engineers and customer security stakeholders. Requires current or recently lapsed SC clearance.

4Square Recruitment Ltd · London · £40,000 – £50,000 pa

Build and maintain secure web applications for a cyber security consultancy, working across the stack with React on the front end and Node.js REST APIs on the back end. The role emphasises secure development practices, OWASP principles and vulnerability remediation, with ownership of features and input into technical decisions.

MJA (London) Ltd · London

Lead and develop the organisation's cyber security strategy, owning the information security framework including ISO 27001 and Cyber Essentials Plus. Reporting to the CIO, you will run security operations, manage an outsourced SOC, oversee incident response and vulnerability management, and mentor the security team. Legal-sector experience is mandatory, and the role spans Microsoft/Azure cloud security and SaaS assurance.

Ex-Mil Recruitment Ltd · Southampton · £75,000 – £85,000 pa

Principal-level technical security lead on a high-assurance UK defence programme moving from MVP towards operational capability. The role covers secure-by-design architecture, cross-domain information exchange, cyber risk and assurance, IAM, cryptography, cloud and network security, working with solution architects, DevOps and assurance teams. Distinct for its defence focus and ex-military requirement.

QinetiQ · Malvern, England, United Kingdom · £69,975 – £77,750 pa

Deliver cyber security consultancy by leading the design and development of secure technical system and solution architectures across a range of technologies and environments. Work in partnership with clients to drive security outcomes, develop security plans, policies and processes, and advise on security-related technology selection. Collaborate with other architect disciplines, mentor staff, and shape security architectural solutions that meet governance and regulatory requirements.

Kingdom People · Birmingham

Security Architect role focused on embedding secure-by-design, Zero Trust and IAM across complex, high-assurance systems spanning cloud, networks, applications and data platforms. Involves technical assurance, cryptography, monitoring and pre-sales support, working with solution architects, engineers and customer security stakeholders. Requires current or recently lapsed SC clearance.

Adecco · London · £600 – £750 pd

Senior advisory role providing expert leadership on cyber risk management, security assurance and governance across large-scale public sector technology programmes. Involves assessing risks, reviewing technical designs and architectures, and embedding secure-by-design principles into cloud and digital transformation work while influencing senior stakeholders.

Copello · Solihull · £80,000 – £100,000 pa

Leads physical security, secure data centre operations, personnel security and facilities management across a security-sensitive estate, heading a small team of security and estates professionals. Involves security design, access control, risk assessments, incident investigations, contractor and building project oversight, plus occasional out-of-hours incident response. Requires DV clearance or eligibility and at least three days per week on site.

Darktrace · London

Deploy, integrate and optimise AI-driven cybersecurity across network, cloud, OT and email environments for post-sales customers. Handle deployment projects to SLOs, resolve support tickets and act as a trusted advisor on security infrastructure design, liaising with sales, customer success and operations.

TXP · London · £750 – £751 pd

Lead cyber and information security risk assessments and assurance across major government digital, cloud and SaaS transformation programmes. Produce formal risk assessments and treatment plans aligned to business risk appetite, provide NCSC Cloud Security Principles assurance, and promote Secure by Design. Also advises on security architecture, engages senior stakeholders and mentors digital teams.