Senior SOC Analyst (SIEM Focus)

606418
  • £650 - £750 per day
  • Corsham, England
  • Contract

Senior SOC Analyst (DV Cleared)

Contract - 6 Months (up to £750 inside IR35)
​​​​​​​Location: Corsham (3 days onsite)
Sector: Defence & National Security

We are working with a leading organisation in the defence and national security sector who are looking to engage a DV-cleared Senior SOC Analyst to support a critical cyber security programme.

This is a high impact contract where you will play a key role in maintaining and enhancing security operations within a highly secure environment

The Role

You will operate within a live Security Operations environment, supporting both day-to day cyber operations and the continuous improvement of detection capability and SOC tooling.

This is a hands-on role with a strong focus on incident response, SIEM optimisation, and threat detection.

Key Responsibilities

  • Monitor, investigate and respond to security incidents across secure environments
  • Develop and tune SIEM detection rules and correlation logic
  • Support SIEM and SOAR tooling optimisation and automation
  • Integrate and onboard log sources to improve visibility across systems
  • Conduct threat analysis, including TTPs and IOCs
  • Carry out network and host-based forensic investigations
  • Support vulnerability management and reporting activities
  • Work closely with internal stakeholders to ensure effective cyber defence

What We're Looking For

  • Active DV clearance (essential)
  • Strong experience in SOC / Cyber Security Operations
  • Hands-on experience with SIEM platforms (e.g. Splunk, Sentinel, Elastic)
  • Ability to develop and tune detection rules and alerts
  • Experience with incident response and threat analysis
  • Knowledge of MITRE ATT&CK, IOCs, and TTPs
  • Familiarity with SOAR tools and automation
  • Scripting experience (e.g. Python, PowerShell, Bash) is beneficial

Why Apply?

  • Opportunity to work on a mission-critical defence programme
  • Gain exposure to advanced cyber capabilities in secure environments
  • Immediate impact role with high visibility and responsibility
  • Work alongside experienced teams within a well-established SOC function

If you are a DV-cleared Senior SOC Analyst with strong SIEM and detection experience, and you're looking for your next contract in a secure environment, we'd be keen to speak.

👉 Apply now or get in touch for more details

Claire Thomas - 07502 298059

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