System Architect Team Leader

• Lead multidisciplinary System Architecture activities across Solution, Requirements & Verification, Interface Definition & ConOps functions.
• Provide technical leadership, mentorship, and direction to SE teams supporting complex aerospace and defense programs.
• Lead major technical reviews including SRR, SFR, PDR, and CDR, ensuring deliverables meet program and customer requirements.
• Manage system architecture, interface control, requirements development, verification & validation, and technical trade studies for custom hardware/software systems.
• Oversee risk and opportunity management, maintaining mitigation plans and status reporting to program leadership.
• Support proposal development, Basis of Estimate (BOE) activities, cost estimating, and schedule forecasting.
• Apply Model-Based Systems Engineering (MBSE) methodologies using CAPELLA or similar tools.
• Drive continuous improvement initiatives, process optimization, and lessons learned activities.

• Bachelor’s degree in Engineering, Computer Science, Systems Engineering, or related STEM field with 10+ years of relevant aerospace/defense experience; or Master’s degree with 8+ years of experience.
• Experience across the systems engineering lifecycle, including requirements management, system architecture, interface control, verification & validation, and technical review leadership.
• Experience leading engineering teams on complex defense or aerospace programs involving custom hardware and/or software systems.
• Proficiency with Polarion and MBSE tools such as CAPELLA.
• Experience with EVM, technical risk management, and trade study analysis.

Thales Belgium SA is a company which employs more than 470 people, consists of 2 sites located in Tubize (near Brussels) and Herstal/Soumagne (near Liège).

The Tubize site (GBU SIX**), which employs more than 300 people, is one of the Group’s competence centers specializing in the design, development and supply of critical information systems for all types of platforms used by customers in the Defense, Security (including Cyber Security), Aeronautics and Transportation sectors.

Thales Belgium is recognized by domestic and international partners for expertise on products such as Radio Frequency (RF) Products, C4ISR, Crypto Global Solution, MACS (Aeronautical Intercom) and many others.

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For our 83,000 employees in 68 countries, we open up forward-looking perspectives, enable individual career paths, and provide creative freedom. We achieve this through courage, diversity, and a strong commitment to making the challenges of our time safer and more inclusive. With our sustainable and values-driven leadership culture, we actively promote diversity.

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