Job Description
Location: Corsham (100% Onsite)
Rate: £640 per day (Umbrella)
Contract Length: Until 26th April 2027 (extension possible)
IR35 Status: Inside IR35
Shift Pattern: 13-hour rotating shifts (days, nights & weekends)
Clearance Required: Active DV Clearance + Sole UK National
Overview
We are seeking an experienced DV Cleared SOC Analyst to join a high-security operational environment supporting mission-critical systems. This is an exciting opportunity for a skilled Tier 2/3 SOC professional with strong incident response and SIEM expertise to work within a fast-paced enterprise Security Operations Centre.
The successful candidate will be responsible for monitoring and analysing security events in real time, investigating incidents, and supporting the continuous improvement of detection and response capabilities.
Key Responsibilities
* Monitor and analyse security events within an enterprise SOC environment
* Perform real-time alert triage and incident investigation
* Determine incident scope, priority, impact, and remediation actions
* Manage incidents through the full lifecycle from detection to resolution
* Support SIEM engineering activities including configuration, tuning, and optimisation
* Develop and enhance SIEM use cases, analytics, and playbooks
* Provide clear remediation guidance to technical and operational stakeholders
* Support rapid response activities in a high-assurance environment
Essential Skills & Experience
* Active DV Clearance (mandatory)
* Sole UK National
* 2+ years’ experience operating as a Tier 2/3 SOC Analyst
* Industry-recognised security certification (e.g. SANS, ISC2)
* Strong experience with enterprise SIEM platforms (ArcSight or equivalent)
* SIEM engineering, tuning, and detection development experience
* Experience conducting full lifecycle incident response
* Strong understanding of security operations and threat detection
* Knowledge of cloud technologies and security monitoring
* Ability to work effectively within high-pressure operational environments
Additional Information
* 100% onsite attendance required in Corsham
* Shift-based role including days, nights, and weekends
* Secure operational environment – details remain confidential
* Long-term contract with potential extension opportunities
This role would suit an experienced SOC Analyst looking to operate within a secure, mission-critical environment where rapid incident response and strong analytical capability are essential.