Communications Test Engineer I

Milton Keynes, United Kingdom Cesium Astro UK – Engineering /Full-time /On-site 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.

JOB DUTIES AND RESPONSIBILITIESDefine, 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 JOB REQUIREMENTS AND MINIMUM QUALIFICATIONSDegree in Electrical/Electronic Engineering, Computer Engineering, Computer Science, or Physics2+ years of experience with RF measurement and instrumentation2+ years of programming experience using Python PREFERRED EXPERIENCEHands 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 Cesium Astro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate’s work experience, education/training, and key skills.

Please be aware that many roles will be subject to both security and export control restrictions.

These restrictions mean that factors including new starter’s nationality, any previous or dual nationalities held, place of birth and country of residence may limit those roles that you can perform for the organisation.

Please note: Cesium Astro does not accept unsolicited resumes from contract agencies or search firms.

Any unsolicited resumes submitted to our website or to Cesium Astro team members not through our approved vendor list or Talent Acquisition will be considered property of Cesium Astro, and we will not be obligated to pay any referral fees.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information.

These tools assist our recruitment team but do not replace human judgment.

Final hiring decisions are ultimately made by humans.

If you would like more information about how your data is processed, please contact us.