# Principal Solutions ArchitectBraine-l'Alleud, Belgium ContractAre you a Principal Solutions Architect with 5+ years of experience in enterprise solution architecture? Apply now for a long-term contract opportunity with a leading public sector client in Braine-l'Alleud, Belgium.## Requirements* 5+ years of relevant professional experience in enterprise solution architecture* Proven experience leading technical teams and delivering complex solution architecture projects* Strong background in systems integration, network architecture, and communications systems* Experience with wireless technologies, including SATCOM, and modern mobile communications infrastructure* Hands-on experience with architecture modelling languages (e.g. ArchiMate, UML, SysML)* Experience with architecture frameworks such as TOGAF, NAF, DoDAF, or Zachman* Experience with systems development, testing, implementation, quality assurance, and lifecycle management* ITIL Foundation certification* PRINCE2 Foundation or equivalent project management certification (PMP accepted)* Master's degree with 5+ years of experience, or Bachelor's degree with 8+ years of experience* (Desirable) Experience with the NATO Architecture Framework (NAF v4) and Federated Mission Networking (FMN)* (Desirable) TOGAF, ArchiMate, PRINCE2 Practitioner, or equivalent certification* (Desirable) Previous experience working within NATO or an international military/civilian environment* Language(s): English (fluent)## Job Description* Lead the design and development of solution architectures for complex projects, ensuring alignment with business and technical requirements* Define and maintain architecture standards, principles, and best practices across multiple initiatives* Gather, analyse, prioritise, and manage business and technical requirements throughout the project lifecycle* Collaborate with stakeholders to resolve competing priorities and communicate architecture decisions* Oversee systems development activities, ensuring compliance with security, quality, and development standards* Design and review network architectures, including connectivity, capacity, security, resilience, and recovery solutions* Produce architecture models and documentation to support technical and non-functional requirements* Coordinate architecture activities across multiple projects and ensure consistency with organisational standards