Security Lead

  • Summer-Browning Associates
  • 26/09/2026
Contractor Information Technology Telecommunications

Job Description

Summer-Browning Associates is assisting our client in the Central Government who is seeking a Security Lead for an initial 6-month assignment, with the possibility of extension.

Location: London Hybrid

The ideal candidate will possess a security clearance and have a strong background in a senior security leadership role within a high-threat government environment.

The following skills and experience are required:

  • Experience in leading security programmes for large-scale cloud transformation within high-threat government Tier 2/3 secure environments.
  • A solid understanding of security strategy, policy, security architecture, and assurance.
  • Extensive knowledge of Azure/GCP cloud security, identity and access management (IAM), gateways, cryptography, and secure developer enablement.
  • Proven ability to guide, influence, and lead secure working practices.
  • Strong stakeholder management skills across government and multi-agency security.
  • Experience with Lead Accreditation and Security Case Development.
  • Demonstrable knowledge of cybersecurity frameworks and standards, including the NCSC Cyber Assessment Framework, NIST, ISO 27001, CIS, CAF, HMG GovS 007, and NPSA.
  • Preferred Qualifications: Industry certifications such as CompTIA Security+, CISSP, CISM, CEH, or GIAC are highly desirable.

To apply, please submit your most recent CV for review.