Cyber Security Jobs

Darktrace · London

Owns the end-to-end roadmap for Darktrace's Network Detection and Response product, deciding what gets built and in what order. Works directly with customers running complex zero-trust, cloud-connected and segmented estates, translating their needs into product decisions alongside R&D and Product Marketing. Acts as the internal subject matter expert for the NDR portfolio, with a hybrid working pattern based in London.

CrowdStrike · United Kingdom

Security researcher role on CrowdStrike Intelligence's Advanced Research Team, developing automated solutions for large-scale data collection, running honeypots and Internet-wide scans, and performing vulnerability research. The position also involves reverse engineering, publishing research on the blog or at conferences, and applying GenAI/LLM workflows to security research.

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.

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.

Sizewell C · Leiston · £80,000 pa

Lead the design and governance of secure technology solutions across a highly regulated, safety-critical nuclear energy project. Define security standards, assess risk and embed security into cloud, infrastructure, applications and operational technology, working with Cyber Security, Enterprise Architecture, Engineering and third-party suppliers.

airbus · Chippenham

Provide end-to-end cyber security support for Spacecraft Control Centre Systems and Satellite Communications infrastructures, analysing functional needs, setting criticality levels and proposing protection concepts. Coordinate security architecture across disciplines, manage risks and ensure defences stay ahead of evolving threats. Requires CISSP/CISM and hands-on knowledge of Solaris, Linux, Windows, Cisco and JSP440.

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.

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.

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.

Lavant Consulting · London · £650 – £1,000 pd

Hands-on architecture role within a board-sponsored vulnerability and patch management transformation at a major financial services organisation. You will redesign end-to-end patching and remediation processes, define future-state automation architecture and tooling, and drive backlog reduction across servers, networks, containers and databases, working with Infrastructure, Cyber Security, DevOps and Service Management teams.

RMT Accountants & Business Advisors · Newcastle upon Tyne

Lead and deliver infrastructure, web application and cloud penetration testing engagements, plus Cyber Essentials Plus assessments and technical security reviews. As one of the practice's early senior hires, you will shape methodologies, assure report quality, mentor junior consultants and support pre-sales for a growing national cyber security consultancy.

Experis · Shropshire · £63,000 pa

An all-round Infrastructure Architect role within a government organisation's architecture team, providing strategic and technical leadership across a diverse estate spanning Azure cloud, SharePoint, Entra ID, virtualisation, networking and security. The position involves producing High Level Design and Technical Design Authority documentation and working with senior stakeholders to ensure secure, scalable solutions aligned to a long-term technology strategy, with a strong on-premises to Microsoft Cloud transformation focus.

Adecco · Belfast

Designs end-to-end infrastructure and cloud solutions for enterprise customers, leading technical workshops and translating business requirements into scalable architectures. Produces high and low-level design documentation and provides technical leadership across the project lifecycle, working with Azure, Microsoft 365, VMware/vSAN and hybrid cloud platforms. Also supports bids, solution presentations and customer engagement.