Communications Test Engineer

At
Cesium Astro
, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, Cesium Astro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.

In this position, you will own integration and verification of space-communication systems involving digital and analogue hardware. Key projects will include developing and managing setups and test software for modem and link verification, both at the baseband and the RF level. The successful candidate is meticulous, has an end-to-end system mindset, is exceptionally strong in both digital engineering and software development, has a good understanding of RF, and enjoys cross-team interaction.

• Define, design, implement, and maintain measurement/test solutions for link/modem validation
• Define and analyze calibration and metrology aspects (statistical error analysis, confidence levels, error budgets)
• Develop modular, reusable software in Python (or similar languages) to be implemented in a variety of setups
• Analyze and troubleshoot link-performance issues
• Interact with DSP/HW/SW team to improve system performance

• Degree in Electrical/Electronic Engineering, Computer Engineering, Computer Science, or Physics
• 2+ years of experience with RF measurement and instrumentation
• 2+ years of programming experience using Python

• Hands on Digital & RF measurement experience (analyzers, vector signal generators, power sensors, network analyzers)
• Hands on link-performance measurement experience (link/protocol testers, channel emulators)
• Physical-layer satellite modem algorithms/standards (DVB-S2, CCSDS)
• Experience in collaborative software design (GIT, code reviews)
• Experience in test automation
• Linux and Windows experience
• Statistical analysis and metrology