C004550 Principal Solution Engineer (CTS) - MON 5 Jan

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;