Principal Communication Systems Engineer I at CesiumAstro

At CesiumAstro, we are pioneers in the aerospace industry, dedicated to developing innovative communication systems for satellites, UAVs, and launch vehicles. We thrive in a dynamic, cross-functional environment where our team members are encouraged to learn, engage, and take ownership of their work. If you are a forward-thinking professional who enjoys hands-on, autonomous challenges, we would love for you to join our mission as we push the boundaries of space technology.

What is this role?

We are searching for a Principal Communication Systems Engineer I to join our team on a full-time, on-site basis in the United Kingdom. This is a senior-level position designed for someone with extensive experience in space communications who is eager to lead technical programs. You will serve as a primary technical point of contact, driving the architecture and design of our cutting-edge phased array antennas and radios for various aerospace platforms.

What will you do?

• Lead the development of space architecture concepts, including payload and sub-system design, requirements analysis, and risk assessment.
• Evaluate operational needs to define technical requirements, ensuring compatibility across all functional and physical interfaces.
• Conduct trade studies and lead technical concept development to optimize system architecture and support successful program proposals.

What makes you a great fit?

To succeed in this role, you should possess a deep technical background and a collaborative mindset. We are looking for the following qualifications:

• A Master’s or Doctorate degree in Electrical Engineering.
• At least 9 years of experience specifically within the space communications sector.
• A robust understanding of communication theory, RF concepts, and modern vector processing engines.
• Proficiency in satellite-communications standards such as NR NTN, DVB-S2x, and CCSDS.
• Practical experience with programming and scripting languages, specifically C++ and Python.
• The ability to manage large, open-ended projects, define work direction, and communicate complex technical ideas clearly to internal stakeholders.

What's in it for you?

Working with us means joining a talented, international team that is actively transforming the space industry. In addition to a modern work environment, we offer several benefits to support your well-being and career growth:

• Life insurance coverage.
• An employee assistance program.
• Opportunities for professional development and personal growth within a high-growth company.