Would you like to join the leading international intergovernmental organization? The Principal Solution Engineer is a senior technical leader responsible for the end-to-end design, development, and governance of complex solution architectures. This role ensures alignment with organizational strategy, business requirements, and technical standards, while leading cross-functional teams and managing large-scale initiatives. The incumbent will drive innovation, maintain architectural integrity, and ensure the successful integration of systems, networks, and infrastructure. Responsibilities: Solution architecture • Leads the development of architectures for complex solutions ensuring consistency with agreed requirements. • Establishes policies, principles and practices for the selection of solution architecture components. • Manages trade-offs and balances functional, service quality and systems management requirements within a significant area of the organisation. • Communicates proposed decisions to stakeholders. • Coordinates and manages the target architecture across multiple projects or initiatives. • Maintains a stable, viable architecture and ensures consistency of design and adherence to appropriate standards across multiple projects or initiatives. Requirements definition and management • Plans and drives scoping, requirements definition and prioritisation activities for large, complex initiatives. • Selects, adopts and adapts appropriate requirements definition and management methods, tools and techniques. • Contributes to the development of organisational methods and standards for requirements management. • Obtains input from, and agreement to requirements from a diverse range of stakeholders. • Negotiates with stakeholders to manage competing priorities and conflicts. • Establishes requirements baselines. • Ensures changes to requirements are investigated and managed. Systems development management • Sets policy and drives adherence to standards for systems development. • Leads activities to make security and privacy integral to systems development. • Identifies and manages the resources necessary for all stages of systems development projects. • Ensures that technical, financial and quality targets are met. Network design • Produces, or approves network providers', network architectures, topologies and configuration databases for own area of responsibility. • Specifies design parameters for network connectivity, capacity, speed, interfacing, security and access, in line with business requirements. • Assesses network-related risks and specifies recovery routines and contingency procedures. • Creates multiple design views to address the different stakeholders' concerns and to handle both functional and nonfunctional requirements. Essential Qualifications & Experience: Education: A Master's degree at a nationally recognised/certified University in a related discipline and 5 years post-related experience. Or a Bachelor's degree with 8 years post related experience. Experience: Proven experience of managing teams of technical personnel; Knowledge of current and future Mobile Infrastructure (Deployable, Dispersible, Highly mobile CIS) technologies and trends; Experience with design and systems integration (e.g. AC Power distribution equipment, emergency AC Power generation and associated fuel storage, Uninterruptible Power Supply (UPS)); Good understanding of current and future Wireless technologies and trends (to include SATCOM); Experience with Architecture modelling language(s) (UML, SysML, ArchiMate, etc.), preferably in the context of an Architecture Framework (NAFv4, TOGAF, DODAF, Zachman, etc.) and Models Based Systems Engineering (MBSE); Experience in applying quality assurance practices; Sound experience in development, implementation, fielding, testing and maintenance of modern communications equipment; Training/Certifications: ITIL Foundation; PRINCE2 Foundation or equivalent Project Management Framework (e.g. PMP) certification; Experience and Training (desirable): Knowledge and experience in applying the "NATO Architecture Framework, version 4"; Knowledge and experience in the application of Federated Mission Networking (FMN) in service design; Prior experience of working in an international environment comprising both military and civilian elements; Knowledge of NATO responsibilities and organization, including ACO and ACT; Training/Certifications: PRINCE2 Practitioner or equivalent (e.g. PMP) certification; ArchiMate or TOGAF or equivalent certification; If you've read the description and feel this role is a great match, we'd love to hear from you! Click "Apply for this job" to be directed to a brief questionnaire. It should only take a few moments to complete, and we'll be in touch promptly if your experience aligns with our needs.