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Security Lead

SUMMER-BROWNING ASSOCIATES LIMITEDSouth East London, London🇬🇧United KingdomPosted 26 Sept 2026

Quick Overview

Seniority
Mid Senior
Employment type
Temporary/Casual
Work mode
Hybrid
Location
South East London, London, United Kingdom
Posted
22 hours ago
Stakeholder Management

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.


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