Senior Cyber Security Analyst

Senior Cyber Security Analyst

Location: London hybrid working

IR35: Inside via Triumph Consultants you will be paid PAYE for the length of the 3 month contract

It is essential for candidates to have advanced proficiency in using Splunk for security monitoring, log analysis, threat detection, and reporting

The role:

The Cyber Defence team at the delivers threat intelligence, threat detection, incident response, and vulnerability management to defend both internal IT infrastructure and citizen-facing services. They are looking for a Senior Cyber Security Analyst with proven experience in incident response and Splunk to take a leading role in strengthening the organisation's cyber defence capability.

Key Accountabilities:

• Lead investigations into security alerts and cyber incidents.
• Perform forensic analysis of systems, files, network traffic, and cloud environments.
• Drive technical response actions including containment, eradication, and recovery.
• Coordinate cyber incident responses across teams and stakeholders.
• Identify lessons learned and embed continual improvement.
• Develop and update incident response playbooks and knowledge base articles.
• Act as an escalation point and mentor for security analysts.
• Provide leadership and line management within the team.
• Join the out-of-hours on-call rota to support 24/7 incident response.

Key Criteria:

• 5+ years' experience investigating and responding to cyber incidents in large organisations.
• Strong track record with incident response coordination.
• Significant hands-on experience with Splunk and security tools (eg, EDR, SIEM).
• Analytical, problem-solving, and forensic investigation skills.
• Proven experience coaching or mentoring junior staff.
• Strong understanding of threat actor tools, techniques, and procedures.
• Experience of cloud environments such as AWS
• Excellent written and verbal communication skills.

How to Apply

Quote the Job Title and Reference Number in your application.

Submit your CV in Word format.

Applications are reviewed on a rolling basis-early submission is recommended.

We will also add your details to our mail out lists. Please note you may receive details of roles outside of your immediate vicinity, as many candidates are able to relocate temporarily for work. Please disregard any such emails that are not of interest and let us know if you would rather not receive such mailouts and/or if you wish us to delete your details and prefer to apply direct to our advertised roles.

If you do not hear from us within three working days, unfortunately your application has not been shortlisted on this occasion. Thank you for your interest in working with us.