Cyber Security & InfoSec Vacancies

3 verified security positions across the UK

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Showing 3 of 3 vacancies
JA
Competitive

Jane Street is seeking an Infrastructure Security Engineer with a strong Windows background and practical exposure to modern platform security controls to help secure Jane Street’s IT platforms....

Permanent Hybrid
JA
IT Security Engineer
Janestreet • london • 27 Oct 2026
Competitive

About the Position We are looking for an Infrastructure Security Engineer with a strong Windows engineering background and practical exposure to modern platform security controls to help our global...

Permanent Remote
JA
Cybersecurity Engineer: Defenses & Incident Response
Janestreet • london • 21 Oct 2026
£90 - £120

Janestreet in London is seeking a full-time Cybersecurity Engineer to help protect our people, data, and infrastructure. You will work on firm-wide defenses, provide expert advice, and lead...

Permanent Hybrid