Principal Solution Engineer

Principal Solution Engineer (Contract)

Contract & Location Details

• Location: Braine-l’Alleud, Belgium (full-time on-site)
• Contract period: June 2026 – December 2026
• Travel: Occasional (typically 1-2 trips per month within Belgium)
• Security clearance: NATO Secret
• Rate: Lowest Price Technically Compliant

Overview

A leading organisation operating in a complex, security-sensitive environment is seeking a Principal Solution Engineer to lead solution architecture, requirements management, and systems development activities across large-scale initiatives.

This role will suit an experienced technical leader with a strong background in architecture governance, requirements engineering, and deployable communications/network systems, capable of engaging senior stakeholders and driving delivery across the full lifecycle.

Key Duties & Responsibilities

1) Solution Architecture

• Lead the design and development of end-to-end solution architectures aligned to business and operational needs.
• Define and uphold architectural principles, standards, and best practices.
• Manage architectural trade-offs across functionality, performance, security, and operational constraints.
• Ensure architectural alignment and consistency across multiple projects and programmes.
• Present architectural decisions, risks, and recommendations to senior stakeholders.
• Maintain a stable, scalable, and compliance-aligned architecture baseline.

2) Requirements Definition & Management

• Lead scoping, elicitation, analysis, prioritisation, validation, and sign-off of requirements.
• Apply and tailor appropriate requirements engineering methodologies, tools, and techniques.
• Establish and maintain requirements baselines and end-to-end traceability.
• Engage a broad stakeholder community to gather, validate, and agree requirements.
• Manage changing requirements, conflicts, and competing priorities.
• Contribute to the improvement of organisational standards and best practice in requirements management.

3) Systems Development Management

• Define and enforce policies and governance aligned to recognised systems development standards.
• Embed security and privacy principles across all stages of the development lifecycle.
• Plan and manage resources across the full lifecycle (design through deployment/support).
• Ensure delivery against technical, commercial, and quality objectives.

4) Network Design

• Design, produce, and approve network architectures, topologies, and configurations.
• Define network parameters including capacity, performance, connectivity, and security.
• Assess risks and define resilience, recovery, and contingency strategies.
• Produce multiple architectural views covering both functional and non-functional requirements.

Essential Education, Experience & Training

Education (one of the following)

• Master’s degree in a relevant discipline plus 5+ years post-graduate experience; or
• Bachelor’s degree plus 8+ years relevant professional experience.

Experience

• Proven experience leading multidisciplinary technical teams.
• Strong knowledge of mobile and deployable communications infrastructure.
• Systems design/integration experience including:
• AC power distribution
• Emergency power generation
• UPS systems and supporting infrastructure
• Solid understanding of wireless technologies, including SATCOM.
• Experience with modelling languages (e.g., UML, SysML, ArchiMate) within recognised frameworks (e.g., TOGAF, NAF, DoDAF, Zachman).
• Experience with Model-Based Systems Engineering (MBSE).
• Demonstrated application of quality assurance practices.
• Hands-on experience across the full lifecycle of communications systems (development, deployment, testing, maintenance).

Certifications

• ITIL Foundation
• PRINCE2 Foundation (or equivalent, e.g., PMP)

Desirable Experience & Training

Experience

• Experience with NAF v4
• Knowledge of Federated Mission Networking (FMN)
• Experience working in international, civil-military environments
• Understanding of relevant international organisational structures (e.g., ACO, ACT)

Certifications

• PRINCE2 Practitioner (or equivalent, e.g., PMP)
• TOGAF / ArchiMate (or equivalent)

PLEASE CONTACT ME FOR MORE INFORMATION! 🙂