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Posted 31 July, 2026

Security Assurance Lead

SUMMER-BROWNING ASSOCIATES LIMITED
Oxford, ENG, GB Full Time

Job Description

Cyber Security Assurance LeadSummer-Browning Associates is currently supporting our central government client, who is seeking a Security Assurance Lead for an initial 6 assignments with the option to extend.Location: London / HybridThe ideal candidate will have an active security clearance and a strong background in Cyber Security Assurance within a high-threat government environment.Skills and Experience:Proven expertise in project, program, and portfolio security assurance related to complex digital transformation initiatives.Skilled in producing comprehensive GovAssure and Secure-By-Design Cyber Security Assurance assessments, including Risk Assessment Papers, Risk Treatment Plans, Risk Business Cases, and Security Management Plans.Knowledge and hands-on experience with security architecture and Security Information and Event Management (SIEM) toolsIn-depth understanding of cybersecurity frameworks and standards such as the NCSC Cyber Assessment Framework, ISO 27001, NIST, COBIT, alongside SABSA and TOGAF methodologies.Solid track record in risk and threat modeling within high-threat government environments.Industry certifications such as CompTIA Security+, CISSP, CISM, CEH, or GIAC are highly desirableTo apply, please submit your latest CV for review.TPBN1_UKTJ