Security Engineer - Sentinel & Defender (Remote)
Role Description & Technical Scope
Tria is seeking a Security Engineer to join its Security Operations team, focusing on Microsoft Sentinel and Defender XDR. The role is based in Cardiff with occasional remote/hybrid work.
This permanent position is hands-on, including incident response escalations, deployment and tuning of rules, and collaboration with clients to strengthen security postures. Strong KQL, Defender XDR and Sentinel experience are required, plus the ability to work independently and own tasks.
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Key Details
- Date Posted: 04 Oct 2026
- Location: city
- Employment: Permanent
- Workplace: Remote
- Domain: IT & Technology
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Tria
Verified Tech EmployerEnterprise technology firm or security consultancy operating across the UK digital defense ecosystem.
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