L3 SOC Analyst

Vacancy: Contract Level 3 SOC AnalystLocation: Fully remote contractDetermination: Inside IR35Rate: £500-600/dayDay Rate DOE | Contract We're looking for a Contract Level 3 SOC Analyst to join a growing Security Operations Centre, acting as the technical escalation point for complex security incidents and advanced threat investigations.This is a hands-on role for someone who enjoys getting into the detail of security events, leading investigations, and helping improve how a SOC operates. You'll be responsible for handling high-severity incidents, conducting threat hunts, improving detection capability, and mentoring junior analysts when required.What You'll Be Doing

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• Leading complex incident investigations from analysis through to containment and recovery.
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• Acting as the senior escalation point for security incidents.
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• Conducting proactive threat hunting across endpoint, cloud, identity, and email environments.
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• Improving detection logic, alert quality, and SOC processes.
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• Correlating multiple telemetry sources to identify attack paths, root causes, and remediation actions.
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• Producing clear incident documentation and stakeholder reporting.
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• Supporting the development and mentoring of Tier 1 and Tier 2 analysts.
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Key Technologies

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• Microsoft Sentinel
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• Microsoft Defender XDR
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• Microsoft Entra ID Protection
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• Endpoint, cloud, identity, and email security telemetry
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What We're Looking For

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• Strong SOC experience at Tier 3 / Senior Analyst level.
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• Proven incident response and threat hunting capability.
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• Deep Microsoft Security stack expertise.
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• Experience improving detections, processes, and SOC maturity.
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• Ability to remain calm and provide technical leadership during major incidents.
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This is a great opportunity for a contractor who enjoys solving complex security problems, improving security operations, and making an immediate impact within a SOC environment.

Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.