Rhox

Senior Expert for the Datalink Test Facilities

Closes on 19/10/2026
Brussels
Starts on 16/11/2026
Remuneration: 3.750 - 4.800 EUR/mo gross+ extralegal advantages ·Freelance also possible

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We're looking for a senior datalink expert to maintain test facilities and assess ATM communications performance, covering ATN Baseline 1 and future services.

What you'll do

  • Maintain and operate datalink test facilities.
  • Prepare, execute and report interoperability and validation tests.
  • Analyse monitoring outputs, performance trends and .
  • Prepare technical studies, reports, working papers and specifications.
  • Support technical exchanges with operational stakeholders.
  • Assess ATS-B2 requirements and future monitoring concepts.

What you bring

  • Eight years in ATM, CNS, datalink or related aviation communications.
  • Five years supporting operational datalink stakeholders across at least three categories: ANSPs, airlines, CSPs, OEMs or international ATM organisations.
  • ATM operational environments, datalink implementation and network-level operational support.
  • VDL2, Iris SATCOM, ATN/OSI and ATN Baseline 1, including CM, CPDLC and ADS-C.
  • Message decoding, protocol , state-machine behaviour and interoperability analysis.
  • Software development, scripting and automation for datalink analysis and testing.
  • Performance monitoring, assessment methodologies and applicable ICAO and EUROCAE standards.
  • Experience preparing technical documentation and participating in European ATM working groups.
  • Experience with ATS-B2, CP1/AF6 and future datalink services.
  • University degree in a relevant technical discipline, or demonstrable equivalent experience.
  • (C1).

Nice to have

  • Datalink testing tools, ATN/OSI routers and CPDLC simulators.
  • SQL, , monitoring tools and performance reporting.
  • Operational datalink knowledge from pilot and ATCO perspectives.
  • ATS-B2 operational concepts and Common Project 1 implementation.
  • Postgraduate specialisation in ATM, communications, networks or systems engineering.
  • (A2 or above).

Good to know

  • Occasional travel within Europe.

What's next?

The people who do well here are the ones who saw themselves in this description. Not because they match every line, but because the mission felt right for them.

We are actively hiring for this position. Applications are reviewed by our team, and matching profiles receive a call to discuss the role in detail.

It takes under a minute to apply. Your email, your CV. That is all we need to start the conversation.