Security Architect

Lead Security Architect - Contract

Location: London, Manchester, or Bristol (Hybrid/Flexible Working)

Duration: 9 months

Clearance Required: Eligible for SC clearance or above

Overview:

We are partnering with a high-profile public sector digital team to support the hire of a Lead Security Architect. This team plays a critical role in safeguarding public-facing digital infrastructure and domain environments, working at scale to identify and mitigate cyber risk.

This role sits within a specialist team focused on securing domain name spaces, digital services, and infrastructure across the public sector landscape.

Key Responsibilities:

• Conduct risk-based analysis and assessment of cyber vulnerabilities across a diverse digital estate.
• Translate technical findings into clear, actionable guidance for both technical and non-technical stakeholders.
• Lead stakeholder engagement efforts to support the resolution of identified cyber vulnerabilities.
• Build and nurture effective working relationships across the wider public sector.
• Collaborate with government cyber coordination teams to drive a unified approach to cyber defence.
• Continuously improve internal processes and tooling to enhance threat monitoring and incident response.
• Mentor and upskill team members to help scale architectural capability.
• Drive Secure by Design principles and shape architectural standards across platforms and services.

Core Skills & Experience:

• Proven experience in secure system design, architecture, and cyber resilience.
• Strong knowledge of current cyber threats, vulnerabilities, and mitigation strategies (including OWASP).
• Expertise across infrastructure, network, application, and cloud security architecture.
• Excellent stakeholder engagement skills – able to influence, guide, and advise senior leaders.
• Familiarity with security tooling, patterns, and the broader cybersecurity product landscape.
• Strong written communication skills – capable of creating actionable and accessible technical content.
• Experience delivering knowledge transfer and training to internal teams.