Principal Solution Engineer

Braine-l'Alleud, BE Deadline: 08-05-2026 Updated: 24-04-2026 #16681

Duties & Responsibilities

The Principal Solution Engineer will be responsible for leading architecture design, requirements management, and systems development activities across complex and large-scale initiatives. Key duties include:

Solution Architecture

  • Lead the design and development of end-to-end solution architectures aligned with business and operational requirements.
  • Define and enforce architectural principles, standards, and best practices.
  • Manage architectural trade-offs, balancing functional, performance, security, and operational requirements.
  • Ensure alignment and consistency of architecture across multiple projects and programmes.
  • Communicate architectural decisions and recommendations to senior stakeholders.
  • Maintain a stable, scalable, and compliant architecture baseline.

Requirements Definition & Management

  • Lead scoping, requirements elicitation, analysis, prioritisation, and validation activities.
  • Apply and tailor appropriate requirements engineering methodologies, tools, and techniques.
  • Establish and maintain requirements baselines and traceability.
  • Engage with diverse stakeholders to gather, validate, and agree requirements.
  • Manage requirement changes, conflicts, and competing priorities.
  • Contribute to organisational standards and best practices in requirements management.

Systems Development Management

  • Define policies and ensure adherence to systems development standards and governance.
  • Integrate security and privacy principles into all stages of system development.
  • Plan and manage resources across the full system development lifecycle.
  • Ensure delivery against technical, financial, and quality objectives.

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.
  • Develop multiple architectural views addressing both functional and non-functional requirements.

Education, Experience & Training (Essential)

Education

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

Experience

  • Proven experience managing multidisciplinary technical teams.
  • Strong knowledge of mobile and deployable communication infrastructure technologies.
  • Experience in systems design and integration, including:
    • AC power distribution
    • Emergency power generation
    • UPS systems and supporting infrastructure
  • Solid understanding of wireless technologies, including SATCOM.
  • Experience with architecture 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 communication systems (development, deployment, testing, maintenance).

Certifications

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

Experience & Training (Desirable)

Experience

  • Experience with NATO Architecture Framework (NAF v4).
  • Knowledge of Federated Mission Networking (FMN).
  • Experience working in international, civil-military environments.
  • Understanding of NATO structures and organisations (ACO, ACT).

Certifications

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

Additional Information

  • Location: Braine-l’Alleud, Belgium (full-time on-site)
  • Duration: 11 June 2026 – 30 December 2026
  • Workload: 836 hours
  • Travel: Occasional travel (1–2 times/month within Belgium)
  • Security Clearance: NATO Secret
  • Environment: Standard office setting

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