Your mission:

We passionately drive voice into the air traffic controller and pilot's ears. As Engineer VoIP communication Systems, you will be responsible for designing, implementing, and executing automated and manual test strategies for the VoIP project, ensuring that all systems meet safety, reliability, and performance requirements.

Your tasks:

• Manage and coordinate activities related to equipment over Switzerland, in close collaboration with the maintenance team
• Build and maintain accessible, stable physical and virtual test environments for diverse user needs
• Conduct projects and changes aiming to guarantee the continuity of Air-Ground/Ground-Ground communication services for the Air Traffic Control (ATC)
• Analyse test results, document findings, and support troubleshooting to ensure quality in safety‑critical contexts
• Design and document automated test strategies, identifying meaningful areas for automation
• Develop, refine, and maintain automation scripts and frameworks, ensuring reliable execution across platforms
• Execute tests (e.g. manual, automated, system, integration, and regression), handle environment setup and defect reproduction
  
  

What we are looking for:

• Engineer with master or bachelor degree in electronics/telecommunications (or equivalent)
• Proven expertise in Test Automation and DevOps Engineering Stack (e.g. Python, Squish, Robot Framework, TTworkbench)
• Strong knowledge of OS (Linux / Microsoft), network and common voice and data communication protocols (analogue, IP, VoIP)
• Knowledge of VoIP standard EUROCAE protocols know-how would be an asset
• Agility: You can adapt to an evolving environment with change and uncertainties and remain capable of acting and deciding quickly
• Communication: You adapt your communication style to the context and stakeholders and actively ask for information through relevant questions and active listening
• Proficient in German and English written and orally, good command in French is a plus