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InfoSec People Ltd
Senior SOC AnalystInfoSec People Ltd • England, GB
Senior SOC Analyst

Senior SOC Analyst

InfoSec People Ltd • England, GB
30+ days ago
Job type
  • Full-time
Job description

Recruitment Partner - SOC & Cyber Defence

Level 3 SOC Analyst
Salary: Up to £82,000 + Bonus + Private Healthcare

A leading UK retail organisation is continuing to invest heavily in its cyber security capabilities and is looking to hire an experienced Level 3 SOC Analyst to join a mature and well-established Security Operations function.

This role sits at the sharp end of detection, investigation, and response. You’ll be responsible for handling complex security incidents, improving detection capability, and acting as a technical escalation point for the wider SOC team, while working closely with engineering, threat intelligence, and security leadership.

Key Responsibilities

  • Act as the final escalation point for complex security alerts and incidents across the enterprise
  • Lead and coordinate incident response activities, including containment, eradication, and post-incident reviews
  • Perform advanced threat hunting and proactive investigations using SIEM, EDR, and cloud telemetry
  • Develop, tune, and optimise detection rules aligned to MITRE ATT&CK
  • Work extensively with the Microsoft Security stack, including Sentinel, Defender XDR, Entra ID, and M365 Security
  • Improve SOC processes, playbooks, and response procedures to reduce MTTD and MTTR
  • Support and mentor Level 1 and Level 2 analysts, raising overall SOC capability
  • Collaborate with wider security teams (engineering, IAM, cloud, risk) on remediation and security improvements
  • Provide clear technical reporting and recommendations to both technical and non-technical stakeholders

Required Experience

  • Proven experience working as a Level 3 / Senior SOC Analyst or equivalent role
  • Strong hands‑on experience with the Microsoft security ecosystem (Sentinel, Defender, MDE, MDI)
  • Deep understanding of incident response, attacker TTPs, and kill‑chain methodologies
  • Experience creating and tuning SIEM detections and alerts
  • Strong knowledge of Windows environments, Active Directory, Azure, and M365
  • Experience with threat hunting and forensic investigation techniques
  • Comfortable working in a hybrid on‑site model (1–3 days per week in London)
  • Experience in large‑scale or enterprise environments
  • Exposure to retail, e‑commerce, or high‑volume customer‑facing environments
  • Scripting or automation experience (PowerShell, KQL, Python)
  • Relevant certifications such as GCIA, GCED, GCIH, SC‑200, or similar

What’s On Offer

  • Salary up to £82,000 depending on experience
  • Annual performance bonus
  • Hybrid working (London‑based, 1–3 days per week)
  • Opportunity to work in a high‑impact SOC role within a well‑funded security programme
  • Clear progression and the chance to influence SOC strategy and detection maturity

Seniority Level

Mid‑Senior level

Employment Type

Full‑time

Job Function

Information Technology

Industries

Computer and Network Security

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Senior SOC Analyst • England, GB

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