Senior Security Consultant: Pen Testing & Mentoring

Company: Aon plc
Apply for the Senior Security Consultant: Pen Testing & Mentoring
Location: London
Job Description:

Aon plc in London is seeking a Senior Consultant with strong penetration testing experience to advance toward SME level. This hybrid role combines virtual work with time in our London office. You will conduct application, infrastructure and cloud platform testing, perform source-code reviews, mentor colleagues and support managers.

CREST/CCT or equivalent certifications and excellent English are valued. The Security Testing team offers a challenging environment with learning-focused development,

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Posted: October 6th, 2026