Summer - Software Engineering Internship

Please Note:To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.

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.

We are looking to add a Software Engineering Intern to the Advanced Projects Group in spring 2027. If you enjoy working in a fast-paced, startup environment and are passionate about contributing to the development of leading-edge high-performance computing hardware for spacecraft and aerospace systems, we would like to hear from you.

• Demonstrate UT GRID GNSS Rx running on Cesium hardware and processing signals from HWIL GNSS transmitter.
• Benchmark GRID performance on Cesium hardware representative of upcoming missions.
• Evaluate multiple hardware blocks that allow support for multiple frequencies and/or multiple antennas.
• Scope and advance a HWIL or purely software simulator for Lunar AFS TX/RX signals. that can implement in Cesium Astro RPU hardware and lower-power single-board computers, in anticipation of a Fall/Spring delivery of AFS-augmented GRID/GNSS.
• Set items in motion for L2 continuation of AFS receiver software determined by Cesium Astro L2 decisions in WNCG consortium.
• Present results to Cesium Astro at the conclusion of the internship.
• Maintain strict confidentiality regarding the technical details of Cesium Astro’s IP.

• Current enrollment in a Bachelor of Science (BS), Master of Science (MS), or PhD program in Computer Science, Electrical Engineering or Computer Engineering from an accredited university.
• GPA of 3.5 or higher.
• Advanced coursework in embedded systems.
• Programming experience in C or C++.
• Familiarity with software configuration management tools, defect tracking tools, and peer review.
• Excellent written and verbal communication skills.

• Experience in embedded systems design with preemptive, multitasking real-time operating systems.
• Knowledge of real-time system coding techniques, IP protocols, interfaces, and hardware subsystems.
• Experience with products for military, aerospace, or automotive applications.
• Ability to read electronics schematics and component data sheets.

All Cesium Astro internships are compensated competitively and located onsite at one of our facilities.

Cesium Astro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard torace, color, religion, sex, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.