Companies hiring security engineers in United Kingdom
As of 2026-10-02, 210 companies have 312 open security engineering roles in United Kingdom on their own career sites in our index. The most active: Capco (9), CoreTech Security Services (9) and Leonardocompany (Workday tenant 'leonardocompany') (7).
Companies with the most open security engineering roles in United Kingdom
| # | Company | Website | Open roles | ATS | Example role |
|---|---|---|---|---|---|
| 1 | Capco | – | 9 | Greenhouse | Management Consultant - Operational Resilience & Cyber |
| 2 | CoreTech Security Services | – | 9 | Lever | Android Security Researcher |
| 3 | Leonardocompany (Workday tenant 'leonardocompany') | – | 7 | Workday | Product Cyber Resilience Manager |
| 4 | Qube Research & Technologies | – | 6 | Greenhouse | Identity and Access Management Lead |
| 5 | Jane Street | – | 5 | Greenhouse | Cybersecurity Engineer |
| 6 | Rockstar Games | – | 5 | Greenhouse | Associate Principal Threat Intelligence Analyst |
| 7 | Graphcore | – | 4 | Greenhouse | AI SoC Validation / Bring-up Lead |
| 8 | Mufgub (Workday tenant 'mufgub') | – | 4 | Workday | Cyber Security Project & Transition Manager |
| 9 | Visa (Workday tenant 'visa') | – | 4 | Workday | Cybersecurity Operations & Enablement Associate |
| 10 | Ag (Workday tenant 'ag') | – | 3 | Workday | Cyber Security Research Placement (12.5 months) |
| 11 | AI Security Institute | – | 3 | Greenhouse | Cyber Security Engineer - Cyber & Autonomous Systems Team |
| 12 | Anaplan | – | 3 | Greenhouse | Senior Manager, Security Architecture |
| 13 | Anduril Industries | – | 3 | Greenhouse | Security Operations Analyst, UK |
| 14 | Black Duck Software, Inc. | – | 3 | Greenhouse | Senior Cloud Security Engineer |
| 15 | Blockchain.com | – | 3 | Greenhouse | Chief Information Security Officer (CISO) |
| 16 | Fticonsulting (Workday tenant 'fticonsulting') | – | 3 | Workday | 2027 Graduate Scheme, Cyber Security |
| 17 | Gartner (Workday tenant 'gartner') | – | 3 | Workday | Sr Director Analyst, Cybersecurity Leadership |
| 18 | Lbg (Workday tenant 'lbg') | – | 3 | Workday | Cyber Security Engineer Graduate Scheme (Leeds) |
| 19 | Lseg (Workday tenant 'lseg') | – | 3 | Workday | Lead Software Engineer, Cyber Security Controls Automation |
| 20 | Samsara | – | 3 | Greenhouse | Senior Security Engineer - Enterprise Security |
| 21 | SpaceXAI | – | 3 | Greenhouse | Infrastructure Security Engineer - London |
| 22 | Abound | – | 2 | Ashby | Senior Security Engineer |
| 23 | AST SpaceMobile | – | 2 | Greenhouse | SoC/ASIC Architect |
| 24 | Attio | – | 2 | Ashby | Security Engineering Lead |
| 25 | Bdouk (Workday tenant 'bdouk') | – | 2 | Workday | Digital, Cyber Governance Assistant Manager |
| 26 | Cc (Workday tenant 'cc') | – | 2 | Workday | Information Security Intern – Governance, Risk & Compliance (GRC) |
| 27 | Chainguard | – | 2 | Greenhouse | Senior Product Security Engineer |
| 28 | Checkout.com | – | 2 | Ashby | Senior Cyber Security Engineer |
| 29 | Cirrus Logic | – | 2 | Lever | Lead Information Security Analyst, GRC |
| 30 | Clydeco (Workday tenant 'clydeco') | – | 2 | Workday | Cyber Solutions Lead |
| 31 | CyberCube | – | 2 | Ashby | Cyber Threat Intelligence Principal |
| 32 | Cyderes | – | 2 | Lever | Director of SOC |
| 33 | Darktrace (Workday tenant 'darktrace') | – | 2 | Workday | Senior Cyber Infrastructure Engineer, Professional Services |
| 34 | Dxctechnology (Workday tenant 'dxctechnology') | – | 2 | Workday | Technical Security Architect - Secure, on site Hampshire |
| 35 | Fin | – | 2 | Greenhouse | Application Security Engineer |
| 36 | Financial Times | – | 2 | Greenhouse | Application Security Engineer |
| 37 | Flagstone | – | 2 | Ashby | Senior Application Security Engineer |
| 38 | Flo Health | – | 2 | Greenhouse | HIPAA Security Engineer |
| 39 | GitLab | – | 2 | Greenhouse | Intermediate Software Engineer, Security Factory: Vulnerability Management |
| 40 | Gresearch (Workday tenant 'gresearch') | – | 2 | Workday | Penetration Tester |
| 41 | Humanoid | – | 2 | Ashby | Principal Product Cybersecurity Assurance Engineer |
| 42 | Huntress | – | 2 | Greenhouse | Manager, Security Operations Center - EMEA |
| 43 | Iberdrola (Workday tenant 'iberdrola') | – | 2 | Workday | Cyber Assurance + Compliance Manager |
| 44 | Leidos (Workday tenant 'leidos') | – | 2 | Workday | Cyber Security Engineer |
| 45 | Lendable | – | 2 | Ashby | Security Operations Lead |
| 46 | Maersk (Workday tenant 'maersk') | – | 2 | Workday | Cyber Incident Manager |
| 47 | Motorway | – | 2 | Ashby | Senior Developer Experience Security Engineer |
| 48 | Primer.io | – | 2 | Ashby | Senior Security Engineer |
| 49 | Radiant | – | 2 | Ashby | GRC Analyst |
| 50 | Recorded Future | – | 2 | Greenhouse | Sr.Product Manager - Threat Intelligence Analytics |
Top 50 of 210 companies by open roles.
Applicant tracking systems these companies use
Greenhouse (121), Workday (108), Ashby (55), Lever (28)
Other roles in United Kingdom
- Salespeople 4,068
- Operations and administrative staff 2,836
- Engineers and manufacturing staff 2,526
- Finance and accounting staff 2,103
- Healthcare professionals 2,099
- Software engineers 1,629
- Marketers 1,329
- Data scientists and AI engineers 1,221
- Retail and hospitality staff 1,177
- Customer success and support staff 1,055
- Data engineers and analysts 1,037
- Consultants 889
- Logistics and warehouse staff 744
- HR and recruiting staff 583
- Product managers 500
- Legal and compliance staff 486
- Project and program managers 482
- DevOps and cloud engineers 474
- Designers 390
- Tradespeople 215
- Teachers and trainers 143
- QA and test engineers 123
- IT specialists 96
Security engineers in other countries
FAQ
- Which companies are hiring security engineers in United Kingdom?
- As of 2026-10-02, the companies with the most open security engineering roles in United Kingdom in our index are Capco (9), CoreTech Security Services (9) and Leonardocompany (Workday tenant 'leonardocompany') (7). 210 companies have at least one.
- How many security engineering jobs are open in United Kingdom?
- 312 open roles at 210 companies on 2026-10-02, each opening counted once.
- How is this list made?
- Every day TidyTools reads the public job boards of about 18,029 companies on 16 applicant tracking systems (Greenhouse, Lever, Ashby, Workday and others) and counts each open role once. The role family comes from the job title; the country from the ATS or the location text. Companies that hire through other systems are not included.
- Can I get the full list as data?
- Yes. The Career Site Jobs Actor on Apify and the Career Site Jobs API on RapidAPI return every open job of the companies you name, straight from their career sites, as JSON or CSV.