Space System Architect Signal Intelligence

About Antwerp Space

Antwerp Space is a leading Belgian space engineering company and an industrial player well-recognized by the European Space Agency and the European Commission. Antwerp Space has an established presence in the European space market and in several cases is taking the lead in technically complex space projects, supported by a consortium of partners from all over Europe.

OHB SE Group

Antwerp Space is part of the OHB SE group, one of Europe’s success stories in the field of contemporary space. Today it can call itself the third largest space group in Europe. The OHB SE group has been growing at a steady pace over the last three decades and its footprint in Europe has continuously expanded. Nowadays, there are subsidiaries in Austria, Germany, Italy, Sweden, Luxembourg, Greece, the Czech Republic and Belgium. Despite its size, OHB SE is still a family business, run by the Fuchs family.

Who are we looking for?

We are searching for an innovative and highly experienced Space SigInt System Architect to drive the technical vision and end-to-end design of our orbital intelligence-gathering systems. You will be the primary technical authority for our SIGINT satellite payloads, responsible for translating mission parameters into viable, high-performance space architectures. In this role, you will bridge the gap between RF engineering, digital signal processing, orbital mechanics, and satellite bus integration. You’ll be reporting to the System Engineering team lead, project teams, and collaborating with colleagues from the operational department.

As a Space System Engineer specializing in SigInt area, your expected key responsibilities will be:

• System architecture and design: Define both the payloads and the end-to-end system architecture for spaceborne SigInt systems in LEO, MEO, and GEO environments, ensuring optimal assessment and trade-offs (resolution and SW&P(C) to name a few) of subsystem concepts across feasibility and pre-development studies.
• Requirements engineering and management: Lead the elicitation and flow-down of high-level mission and user requirements into detailed technical subsystem specifications.
• Payload engineering: Lead the conceptualization and specification of spaceborne RF receiver chains, wideband antennas, and onboard digital signal processing (DSP) units.
• Geolocation and processing strategy: Architect the system-level approach to signal detection, classification, and high-precision geolocation using techniques such as Time of Arrival (TOA) and Frequency of Arrival (FOA) across multi-satellite constellations.
• Pre-development phase support & proposal preparation: Provide support for spaceborne SigInt projects from the pre-development phase up to spacecraft integration, working closely with project leaders and business development. Moreover, you will assist in the preparation of proposals and evaluate subcontractor proposals to ensure the feasibility and success of projects.
• Documentation: Generate and maintain documentation, including analyses, specifications, engineering and technical budgets, test procedures, reports, and design descriptions.
• Coordination and collaboration: Coordinate technical aspects with customers, vendors, subcontractors, project teams, space system engineering, and other divisions. Moreover, you will provide technical direction to engineering teams (Hardware, Software, Firmware, AIT) throughout the entire product lifecycle, from concept design to integration and testing.
• Design reviews and technical presentations: Lead internal and external technical reviews (SRR, PDR, CDR) with stakeholders, management, and customers.

Mandatory Requirements

• Eligible for an EU security clearance (EU citizen, or eligible for citizenship and living in the EU for at least 10 years.
• Candidates currently living outside Belgium will only be considered if they are willing to relocate to Belgium before the start of their contract. Relocation is a prerequisite for employment.
• Fluency in spoken and written English. Knowledge of Dutch and French is an asset.

Required technical competences and practical needs

• Master’s degree or PhD in Electrical Engineering, Physics, Space Engineering, Signal Processing or a closely related field.
• Minimum of 5 years of experience in space or defense systems engineering, with a focus specifically on SIGINT, Electronic Warfare (EW), or RF payload architecture for space environments.
• Deep understanding of RF spectrum analysis and modern digital modulation schemes.
• Familiarity with software-defined radio (SDR) architectures and high-speed data converters (ADCs/DACs) suited for space.
• Working knowledge of European Cooperation for Space Standardization (ECSS) standards, alongside an understanding of commercial/N