Information Technology Security Engineer

Kerberos Specialist - £660/day (Inside IR35) - Hybrid, London

MUST BE SC CLEARED - ACTIVE SC CLEARANCE IS REQUIRED FOR THIS ROLE

We're seeking a Kerberos expert to lead authentication design, implementation, and troubleshooting across complex enterprise environments. You'll be the go-to authority on Kerberos - able to explain, demonstrate, and optimise it with clarity and precision.

Key Responsibilities

• Act as the subject matter expert for all Kerberos-related topics.
• Design, configure, and troubleshoot Kerberos authentication across Windows, Linux, and AD environments.
• Deliver customer demos, workshops, and training, translating deep technical concepts into clear, practical insights.
• Support incident response and root cause analysis for Kerberos and authentication issues.
• Develop best practices and technical documentation for internal teams and clients.

Essential Skills

• Proven expert-level knowledge of Kerberos (SPNs, delegation, ticketing, cross-realm trust).
• Strong background in Active Directory, Windows Server security, and Linux Kerberos integration.
• Confident communicator and presenter, comfortable engaging with customers and technical teams alike.
• Hands-on experience with authentication troubleshooting tools (Wireshark, klist, setspn, event logs).

Rate: £660 per day

Status: Inside IR35

Location: London