Senior Cyber Security Analyst

Working Pattern: Monday to Friday, 09:00-17:00 (early Friday finish at 16:00, workload permitting)

Clearance: SC

We are seeking a Senior Cyber Security Analyst to join the Security Operations Centre (SOC) at Computer Network Defence Ltd (CND).

This is a key role within our Managed Security Services Provider (MSSP) environment, where you will lead on the analysis and response to security incidents across multiple client environments. Working closely with the SOC Team Lead, you will support day‑to‑day monitoring and investigation activities, engage directly with clients to communicate findings and trends, and contribute to the ongoing improvement of SOC processes and capabilities.

You will also play an important role in mentoring junior analysts and helping to shape the future direction of our security services.

• 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

• 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

Please note that we cannot sponsor visas to work in the UK.