SOC Analyst - Infrastructure - Up to £50,000pa - Southampton Location: Southampton (Hybrid - 3 days onsite) Salary: Up to £50,000 A major UK infrastructure organisation is seeking a SOC Analyst to help strengthen its cyber defence capabilities. This is a great opportunity to join a Microsoft-focused environment and work hands-on with leading security tools like Microsoft Sentinel and Defender . You''ll support the organisation''s security operations by deploying and managing monitoring tools, responding to threats, and enhancing infrastructure protection across IT and OT environments. Key Responsibilities: Deploying and optimising Microsoft Sentinel and Microsoft Defender Monitoring alerts, investigating incidents, and supporting response efforts Managing core security infrastructure including Firewalls, antivirus, encryption, and cloud platforms Supporting audits, compliance reviews, and risk assessments Collaborating with internal teams and third-party partners to drive secure operations Ideal Candidate Profile: 5+ years in IT and/or cybersecurity roles Hands-on experience with Microsoft Sentinel and Defender Knowledge of Microsoft 365 and Azure security services (ideal but not essential) A recognised security qualification (eg, CISMP, GSEC, Level 4+ apprenticeship) Strong communication skills and the ability to work independently Comfortable working across multiple sites (occasional UK travel required) Familiarity with ISMS, GDPR, NIS, and ITIL frameworks This role is