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

Location: City of London, London, GB

Posted Date: 11/14/2025