Security Lead

Summer Browning; Greater London; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

Summer-Browning Associates is assisting our client in the Central Government, seeking a Security Lead for an initial 6-month assignment in London with hybrid working. The role requires security clearance and a strong background in senior security leadership within high-threat government environments.

The ideal candidate will drive security strategy, policy, architecture and assurance, with extensive experience in Azure/GCP cloud security, IAM, gateways, cryptography and secure developer

Qualifications

• Security Lead with governance and assurance responsibilities.
• Experience leading security programmes in large-scale cloud transformations within high-threat government environments.
• Knowledge of Azure/GCP cloud security, IAM, gateways, cryptography, and secure developer enablement.
• Familiarity with accreditation processes and security case development.

Responsibilities

• Lead security programmes for large-scale cloud transformation in high-threat government environments.
• Influence secure working practices and security policies across multiple agencies.
• Manage senior stakeholders across government and ensure regulatory compliance.

Skills

Security leadership

Cloud security (Azure/GCP)

Identity & access management

Security strategy & policy

Governance & assurance

Stakeholder management

Security case development

Cybersecurity frameworks (NIST, ISO270

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.