Deadline Date: Monday 5 January 2026
Requirement: Principal Solution Engineer
Location: Braine-l'Alleud, BE
Full Time On-Site: Yes
Time On-Site: 100%
Total Scope of the request (hours): 836
Required Start Date: 7 January 2026
End Contract Date: 31 December 2026
Required Security Clearance: NATO COSMIC TOP SECRET
Duties & Role:
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 non-functional requirements.
Requirements
Skill, Knowledge & Experience:
* The candidate must have a currently active NATO COSMIC TOP SECRET security clearance
* 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.
* 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;
* PRINCE2 Practitioner or equivalent (e.g. PMP) certification;
* ArchiMate or TOGAF or equivalent certification;