Cyber Threat Hunt & Offensive Security Analyst
Delaney & Bourton
Job Description
Cyber Threat Hunt & Offensive Security Analyst £60,000–£70,000 + Bonus, medical | Permanent | Hybrid (Up to 3 days per week in North Leicester or another Midlands office) We’re working with a CISO for a FTSE 100 UK Bluechip to appoint a Cyber Threat Hunt & Offensive Security Analyst to join their growing cyber security capability. This role sits within the Threat & Vulnerability Management function and will focus on proactively identifying vulnerabilities, simulating real‑world attacker behaviour and strengthening the organisation’s detection and response capabilities. The Role: Deliver targeted penetration testing across applications, infrastructure, cloud and identity environments.
Conduct proactive threat hunting activities aligned to frameworks such as MITRE ATT&CK. Run red team / adversary emulation and purple team exercises to test and improve security controls. Work closely with Security Operations teams to turn threat hunting insights into detections and playbooks.
Coordinate external penetration testing providers and validate findings. Track vulnerability remediation and verify improvements to security controls. Maintain a secure testing lab environment and offensive security tooling stack.
Produce clear and actionable reports for both technical and non‑technical stakeholders. What we’re looking for: Hands‑on experience in offensive security, penetration testing or threat hunting. Strong understanding of attack paths across web/app, infrastructure and cloud environments.
Experience using security tooling, scripting and SIEM queries to support threat hunting and detection validation. Strong focus on safe testing practices and operational security. Relevant certifications such as OSCP, OSWE, CREST CRT/CCT or GIAC (GPEN/GXPN) would be advantageous, though strong practical experience is equally valued.
This role is part of a large cyber team build, and provides the opportunity to shape the Threat and Offensive Security strategy for a bluechip organisation. #J-18808-Ljbffr