Senior Security Analyst

We’re Hiring: Senior Cyber Security Analyst | Corsham<br />I’m currently looking for a Senior Cyber Security Analyst to join our SOC team at Computer Network Defence Ltd (CND).<br />This is a key hire within our MSSP Security Operations Centre, offering the opportunity to take a lead role in incident analysis, client engagement, and mentoring junior analysts, while shaping how the SOC continues to evolve.<br />The Role<br />As a Senior Cyber Security Analyst, you will support the SOC Team Lead and play a central role in monitoring, triaging, and investigating security events across a range of client environments.<br />You’ll be working across SIEM platforms, vulnerability management tools, threat intelligence sources, and network telemetry to deliver effective detection and response.<br />You will also take on client-facing responsibilities, presenting findings, trends, and insights, as well as contributing to reporting and continuous improvement within the SOC.<br />Key Responsibilities

• Monitor, triage and investigate security alerts across multiple platforms
• Conduct in-depth incident analysis and support ongoing client investigations
• Act as deputy to the SOC Team Lead when required
• Review and assess escalated Tier 2 alerts for urgency and impact
• Deliver weekly and monthly reporting to clients and stakeholders
• Communicate security findings and trends directly to clients
• Support vulnerability management analysis and remediation efforts
• Lead false-positive reduction and SIEM tuning activities
• Mentor and support development of Tier 1 and junior analysts
• Contribute to SOC process improvement and operational efficiency
• Participate in incident response activities as part of the wider team
• Lead internal SOC initiatives and projects where required
• Create and deliver presentations for clients and internal teams<br />What We’re Looking For
• Strong experience within a SOC or cyber security operations environment
• Proven ability to investigate and analyse complex security incidents
• Experience with SIEM platforms, threat intelligence, and security tooling
• Strong stakeholder and client communication skills
• Ability to mentor and develop junior team members
• Proactive approach to problem-solving and continuous improvement
• Good understanding of current cyber threats, tactics and trends<br />Package &amp; Details
• Location: Isle of Man (relocation package)/Corsham
• Hours: 37.5 hours per week, plus on-call rota
• Working pattern: Monday to Friday, 09:00–17:00 (early Friday finish at 16:00, workload permitting)
• Clearance: SC Cleared<br />This is a great opportunity for someone looking to step into a more senior, visible role within a growing SOC, with real influence over both technical delivery and team development