Secure Information Exchange Architect - National Security Programme - SC Cleared - Hybrid (London)

Secure Information Exchange Architect - National Security Programme - SC Cleared - Hybrid (London)

A major government-backed technology programme is seeking an experienced Interoperability & Cross-Domain Architect to help shape how information is securely exchanged across highly classified and distributed technology environments. This is a unique opportunity to join a greenfield programme responsible for delivering next-generation secure collaboration capabilities. You will play a critical role in defining how information moves between different security domains, partner organisations and technology platforms whilst maintaining the highest levels of security, governance and compliance. Working within a multidisciplinary architecture team, you will help define interoperability strategy, cross-domain architecture patterns, IMPEX capabilities and secure information-sharing approaches across complex stakeholder landscapes. This role requires an individual who combines strong architectural thinking with excellent relationship-building skills, capable of engaging suppliers, government stakeholders and security specialists to drive interoperability outcomes across a highly secure environment.

Key Responsibilities:

• Develop interoperability strategies, principles and architectural roadmaps.
• Define standards and patterns for secure information sharing across internal and external technology ecosystems.
• Design architectural approaches for secure cross-domain information exchange.
• Assess technologies that support secure collaboration whilst protecting sensitive information.
• Define approaches for Import/Export (IMPEX) capabilities and controlled information exchange.
• Establish metadata, labelling and information provenance standards.
• Collaborate with security architects to ensure compliance with accreditation and security requirements.
• Support collaborative initiatives involving government, industry and international partners.
• Evaluate emerging interoperability technologies and vendor solutions.
• Provide architectural assurance and influence future interoperability standards.

Ideal Candidate

• Experience designing interoperability architectures within complex environments.
• Strong understanding of secure information exchange and integration patterns.
• Knowledge of API integration, messaging and event-driven architectures.
• Experience working within Defence, National Security, Government or similarly regulated sectors.
• Understanding of cross-domain technologies, high-assurance guards and secure information transfer.
• Knowledge of information movement across multiple classification levels.
• Experience defining architecture standards and governance.
• Outstanding stakeholder engagement and relationship-building abilities.
• Strong presentation, communication and influencing skills.
• Ability to balance security, usability and interoperability requirements.

Desirable Experience:

• Experience with IMPEX capabilities and controlled information exchange.
• Knowledge of cross-domain vendors and solutions.
• Experience supporting multinational, coalition or partner collaboration environments.
• Understanding of interoperability standards used within Defence or National Security communities.
• Experience working with Five Eyes, NATO or similar multinational environments.
• Background in Defence, Law Enforcement, Security or Intelligence-related programmes.
• TOGAF or equivalent Architecture certification.
• Experience presenting to Design Authorities and senior stakeholders.

TL;DR
Job Title: Interoperability & Cross-Domain Architect/Secure Information Exchange Architect
Location: Hybrid, London
Contract Length: Initial 12 Months
Clearance: Active SC Clearance Required, ideally DV

Daily rate: £950 to £1350
Start: ASAP
Environment: National Security/Secure Collaboration Programme
Focus: Interoperability, IMPEX, Cross-Domain Security, Information Exchange