System Engineer (2 Posts)

X End-to-End Navigation System Engineer (2 Posts) Job Requisition ID: 21164 Date Posted: 26 October 2026 Closing Date: 16 November 2026 23:59 CET/CEST Publication Method: Internal & External Directorate: Technology, Engineering and Quality Workplace: Noordwijk, NL Grade Band: A2 - A4 Location ESTEC, Noordwijk, Netherlands Description End-to-End Navigation System Engineer in the Navigation Systems Implementation and Validation Section, End-to-End Systems Division, Systems Department, Directorate of Technology, Engineering and Quality. Our team and mission: You will belong to the Navigation Systems Implementation & Validation Section (TEC-SEI). The Section provides expert technical support and consultancy to ESA projects, programmes, and general studies in the field of radio navigation systems and techniques (PNT, in particular GNSS). Our core mission focus lies in the critical project lifecycle Phases C and onwards, bridging the gap between detailed design, physical implementation, and operational deployment. To successfully deliver on this mandate, the Section requires strong expertise in system design and validation (engineering). Duties As an End-to-End Navigation System Engineer specialising in SI&V, your primary responsibilities will focus on the end-to-end integration, testing, and validation of complex navigation architectures. You will support established programmes like Galileo, as well as new and emerging ESA PNT missions such as the Celeste LEO-PNT In-Orbit Demonstrator and OpStar. Your duties will include: - defining, guiding, and executing comprehensive System Assembly, Integration and Validation (SI&V) strategies and test campaigns across Phase C, D, and E lifecycles for Galileo (G1 and G2), Celeste LEO-PNT, and OpStar; - providing expert system design and validation engineering support to subsystem-level and system-level Assembly, Integration, and Testing (AIT) and AIV processes, ensuring corr...