This range is provided by InfoSec People Ltd. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from InfoSec People Ltd Recruitment Partner - SOC & Cyber Defence Level 3 SOC Analyst Salary: Up to £75,000 (DOE) + Bonus Type: Permanent / Full-Time The Opportunity My client, a leading organisation operating within the Critical National Infrastructure (CNI) energy sector, is looking to appoint an experienced Senior/Level 3 SOC Analyst. This is a senior escalation role within a dedicated Security Operations Centre, working at the forefront of protecting high-value national assets. The successful candidate will act as a technical authority for advanced incident response, threat hunting, and security engineering, with a strong focus on the Microsoft security stack. Key Responsibilities

Serve as the primary escalation point for complex incidents and lead on incident response. Conduct in-depth threat hunting, forensic investigations, and root cause analysis. Develop, test, and optimise detection use cases, rules, and playbooks within Microsoft Sentinel and Defender. Provide mentorship and guidance to junior SOC analysts, enhancing team capability. Collaborate with IT and OT teams to address unique security requirements across CNI environments. Drive improvements in SOC operations, automation, and incident response processes. Monitor evolving threats and integrate threat intelligence into daily operations. Ensure adherence to industry standards and compliance frameworks (NIS2, CAF, ISO 27001).

Skills & Experience Required

Extensive background in SOC operations, incident response, and threat hunting. Expertise with the Microsoft security stack, including: Microsoft Defender for Endpoint, Identity, Cloud Apps, and Office 365 Microsoft Purview (compliance and data protection) Strong knowledge of attacker tactics and techniques (MITRE ATT&CK). Experience in digital forensics and malware analysis. Understanding of CNI or energy/utility environments. Proficiency in scripting/automation (KQL, PowerShell, Python). Excellent communication and stakeholder engagement skills.

Desirable Certifications

Microsoft Certified: Cybersecurity Architect Expert / Security Operations Analyst Associate GIAC (GCIA, GCIH, GCFA, GNFA) CISSP / CISM (advantageous) Experience of OT/ICS security in energy environments.

Why Join?

Opportunity to work on mission-critical systems protecting the UK’s energy infrastructure. Competitive package and clear progression into technical leadership. Backing for ongoing training and industry certifications.

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Information Technology

Industries

Computer and Network Security

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