Security Architect, UK, IRO £550pd Out of scope

Security Architect

12mth Contract - Remote working

Rate IRO £550pd out of Scope

Working in a security cleared environment ideally with current SC, must be eligible for SC clearance

Key Responsibilities

Provide clear, actionable cyber security advice to the public sector client across BAU, technical refresh, and new delivery environments.

Lead the design, review, and assurance of secure architectures across cloud and on-premises solutions.

Perform risk assessments and threat modelling (MITRE ATTCK, STRIDE, DREAD, PASTA) and define mitigation strategies.

Ensure adherence to UK Government security policy, frameworks, and recognised industry standards.

Support Secure by Design practices and embed security across the full delivery life cycle (monitoring, patching, assurance, operational considerations).

Maintain and enhance reference architecture materials, patterns, controls, and guidance.

Influence architectural decisions and work closely with stakeholders to manage risks, dependencies, and delivery outcomes.

Provide security assurance across large programmes, supporting design governance, supplier assurance, and technical reviews.

Develop and maintain client security policies, standards, and procedures.

Keep current with emerging threats, technologies, and best practice to continuously improve security posture.

Experience Required

Proven experience as a Security Architect delivering into UK public sector environments.

Strong grounding in Secure by Design, cyber risk management, and resilient system security.

Expertise in cloud security (AWS, Azure and modern architectural patterns).

Ability to articulate complex security concepts clearly to both technical and non-technical audiences.

Strong stakeholder management and supplier engagement capabilities.

Experience with security tooling (Firewalls, IDS/IPS, encryption, vulnerability management, etc.).

Desirable Skills Certifications

CISSP, CISM, CCSP, SABSA, TOGAF, GICSP, GRID or equivalent.

Experience with DevSecOps practices and securing containerised/microservices environments.

Understanding of Zero Trust principles.

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