Senior Architect

Duties

• Develop enterprise, solution, and domain architectures for business, infrastructure, and functional areas.
• Design and maintain system-of-systems architectures in complex federated environments.
• Apply Model-Based Systems Engineering (MBSE) methodologies using SysML and architecture modelling tools.
• Provide technical leadership and guidance on solution design, systems integration, and interoperability.
• Define and govern integration architectures, APIs, interfaces, and microservices.
• Evaluate technical change requests, deviations from architecture standards, and recommend appropriate solutions.
• Ensure compliance with NATO architecture frameworks, interoperability standards, and security policies.
• Support cloud-native and hybrid deployment architecture initiatives.
• Produce architectural documentation, models, interface specifications, and technical governance artefacts.
• Collaborate with technical teams, stakeholders, and programme management to ensure architectural consistency and alignment.
• Promote and enforce architecture governance, standards, and best practices across projects.

Mandatory Requirements

Education

• Bachelor's degree (BSc) in Computer Science, Information Technology, Systems Engineering, Software Engineering, or another relevant technical discipline with significant IT content.
• Alternatively, at least 5 years of extensive and progressively responsible experience in architecture-related roles may compensate for the absence of a degree.

Experience

• Minimum 3 years of post-degree experience in enterprise architecture, solution architecture, or systems architecture.
• Proven experience designing architectures within complex enterprise or federated environments.
• Experience with architecture governance and technical standards.
• Experience designing integration solutions across multiple systems.

Mandatory Technical Skills

• Enterprise Architecture
• Solution Architecture
• Model-Based Systems Engineering (MBSE)
• SysML
• Cameo Systems Modeler and/or Capella
• Enterprise and Solution Architecture methodologies
• NATO Architecture Framework (NAF)
• Federated Mission Networking (FMN)
• STANAG standards
• Tactical Data Link (TDL) constraints
• API Architecture
• Microservices Architecture
• Cloud-native Architecture
• Hybrid Cloud Architecture
• Integration Architecture
• Interface Control (ICDs)
• Architecture Governance
• Technical Standards and Security Compliance

Security Clearance

• Valid NATO Secret security clearance 

Desirable Requirements

• Previous experience working within NATO, NCI Agency, or defence organizations.
• Experience in multinational and multicultural military/civilian environments.
• Knowledge of NATO organizational structure and governance.
• Familiarity with defence interoperability and command-and-control systems.
• Experience supporting large-scale digital transformation or modernization programmes.