Deadline Date: Thursday 15 January 2026
Requirement Title: Principal Solution Engineer
Location: Braine-l'Alleud, Belgium
Full time on-site: Yes
Total Scope of the request (hours):
Required Start Date: 2-FEB-2026
End Contract Date: 30-DEC-2026
Required Security Clearance: NATO Cosmic Top Secret
Specific Working Conditions: Normal office environment. Possible TDY to other NATO sites within Belgium up to 1 - 2 times per month
Duties and 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 on functional requirements.
* COSMIC TOP SECRET security clearance
Education, Experience and Training (essential):
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):
Experience:
* 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;