Job Description

Job Title
Cyber Security Specialist – SIEM Engineering
Location
Asda House
Employment Type
Full time
Contract Type
Permanent
Hours Per Week
37.5
Salary
Competitive salary plus benefits
Category
Cyber Security
Closing Date
17 February 2026
Location: Leeds (Asda House) / Hybrid (3 days in office)
Department: Technology – Cyber Security
Reports to: SOC and Incident Response Manager
Role Purpose
We are looking for a Cyber Security Specialist – SIEM Engineer to strengthen Asda's detection and response capabilities. This is a hands-on engineering role, acting as a key enabler for the SOC and Incident Response Team (IRT), ensuring Asda gets maximum value from its investment in Microsoft Sentinel and the wider Defender XDR suite. The role will be responsible for onboarding and tuning log sources, building and optimising detections, and driving continuous improvement in SOC maturity.
Key Responsibilities
Engineer, configure, and ...

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