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Principal Security Analyst

Uxbridge,United Kingdom💼 Full-time🗓 2026-01-28 → 2026-07-26

Core

Lead a multi-client SOC team, own complex security incident investigations, and optimize security platforms for clients.

Role type

Principal Security Analyst (Senior IC)

Builds

SOC operations, incident response capabilities, and security posture improvements for enterprise clients.

Domain

Cybersecurity / Managed Security Services (MSSP)

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Incident response and root-cause analysis, SOC team leadership and mentorship, SIEM tuning and playbook development, vulnerability management, client-facing technical advisory, Microsoft Sentinel and Defender suite expertise, ServiceNow workflow management, Tenable vulnerability scanning.

Preferred skills

Microsoft SC-200 certification, Microsoft SC-300 certification, CompTIA Security+.

Technologies

Microsoft Sentinel, Microsoft Defender (Endpoint, Cloud), ServiceNow, Tenable.

Responsibilities

Lead and mentor Security & Senior Security Analysts; respond to and investigate complex security incidents; tune detection rules and optimize security platforms; collaborate with clients on onboarding and service delivery; contribute to pre-sales solution design and SOC strategy.

Seniority

Principal, hands-on IC with leadership responsibilities.

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