Salary: £74,000 - 96,000 per year Requirements: 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 SC clearance 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 Technologies: Support Network Security More: We are Computer Network Defence Ltd (CND), and we are hiring a Senior Cyber Security Analyst to join our SOC team in Corsham, with a relocation package available for the Isle of Man. This is a key senior role within our MSSP Security Operations Centre, offering the opportunity to take a lead in incident analysis, client engagement, mentoring junior analysts, and shaping the ongoing evolution of our SOC. The role includes a Monday to Friday working pattern, 37.5 hours per week, with an on-call rota and an early Friday finish where workload permits. This is a great opportunity to step into a more visible role within a growing SOC, with real influence over technical delivery and team development. last updated 24 week of 2026