McCabe & Barton
Cyber Security Engineer
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Cyber Security Engineer
London, UK | Hybrid – 3 Days in Office
12 month contract
We are working with a leading private equity firm seeking a Cyber Security Engineer to join their London office. This is an exciting opportunity to join a fast-paced, highly regulated environment and play a key role in strengthening cyber security controls across critical business platforms and infrastructure.
Key Responsibilities
- Drive triage and remediation governance for the AI-assisted code audit of proprietary products.
- Support the rollout of FIDO2/WebAuthn across all privileged accounts with access to proprietary systems and Entra admin roles.
- Assist with third-party trust boundary reviews.
- Maintain and enhance the emergency patching runbook for critical vulnerabilities (CVSS 9.0+).
- Contribute to the micro-segmentation of proprietary applications from general M365 workloads, including honeytoken deployment for early-warning threat detection.
- Run continuous External Attack Surface Management (EASM) across the firm's external footprint and cross-reference findings weekly with the CMDB.
- Support SIEM and UEBA enhancements, building detection logic around normal deal workflow behavioural baselines.
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Skills & Experience
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- Previous experience within Security Operations, Cyber Security Analysis, or Threat Analysis.
- Experience working within financial services, private equity, or another regulated environment.
- Hands-on experience with SIEM, UEBA, EDR, and identity management technologies including Entra ID, Conditional Access, and FIDO2/WebAuthn.
- Good understanding of application security vulnerabilities including deserialization, IDOR, injection, and authorization logic flaws.
- Working knowledge of software supply chain security practices, including SBOMs, Software Composition Analysis (SCA), and dependency management.
- Understanding of DORA ICT risk obligations is desirable.
- Self-motivated and capable of operating independently within a fast-paced, evolving environment.
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