Security Engineer · London
Security Engineer Jobs in London
There are currently 10 open Security Engineer jobs in London across 8 AI startups. 30% of these roles are at Series A–B startups. Every listing links straight to the company's official application page.
10Open roles
8Companies hiring
Jul 30, 2026Last updated
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Funding-stage mix
Series C 4 (40%)Series A 2 (20%)Series F 2 (20%)Series B 1 (10%)IPO 1 (10%)
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Open Security Engineer Roles in London
| Role | Company | Stage | Location | Posted |
|---|---|---|---|---|
| Security engineer, detection and response (UK) | Writer | Series C | London, UK | Jul 30, 2026 |
| Senior Security Engineer | Mixpanel | Series C | London, UK (Hybrid) | Jul 29, 2026 |
| Senior Security Engineer | Copper | Series A | London | Jul 27, 2026 |
| Product Security Engineer | Vercel | Series F | Hybrid - San Francisco, New York City, London, Berlin | Jul 22, 2026 |
| Security Engineer, Detection Response | Vercel | Series F | Hybrid - San Francisco, New York City, London, Berlin | Jul 22, 2026 |
| Security Engineer | incident.io | Series B | London | Jul 15, 2026 |
| Security Engineer | StackOne | Series A | London | May 20, 2026 |
| Security Engineer | Granola | Series C | London | May 12, 2026 |
| Security engineer, application security (UK) | Writer | Series C | London, UK | May 11, 2026 |
| Security engineer | Bending Spoons | IPO | Milan (Italy), London (UK), Madrid (Spain), Warsaw (Poland), or fully remote | - |
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FAQ
How many Security Engineer jobs are open in London?
There are currently 10 open Security Engineer jobs in London across 8 AI startups on Fast AI Jobs.
What funding stages are hiring Security Engineers in London?
30% of open Security Engineer roles in London are at Series A–B startups, with the rest spread across seed and later-stage companies.
How often is this list updated?
Listings are refreshed daily from official company career pages and deduplicated by posting. Every link points to the original application page.