Summer 2025 - Spacecraft Mechanical 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 CesiumAstro, 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, CesiumAstro is the place for you.

The Cesium spacecraft team is looking for mechanical interns to design, build, and test satellite structures, components, and mechanisms.

Spacecraft mechanical interns will work closely with Cesium engineers on product development, design, test, and manufacturing of structures and thermal systems for Cesium’s satellite. Areas of focus will include design of structures, packaging, interface components, and mechanisms for space flight. Assignments will be determined by a mix of project availability and the interests of the successful candidates.

Cesium interns regularly present their work to peers, mentors, and Cesium executive leadership throughout the course of the summer. As such, excellent written and verbal communication skills are required.

To apply, please include a cover letter describing your interest in mechanical systems and either space systems or communication systems.

• Current enrollment in a Bachelor of Science (BS), Master of Science (MS), or PhD program in Aerospace or Mechanical Engineering from an accredited university.
• GPA of 3.5 or higher.
• Experience designing and building structural and mechanical systems, particularly CubeSat and space projects.
• Experience with mechanical FEA tools, such as SolidWorks Simulation or ANSYS.
• Excellent written and verbal communication skills.

• Familiarity with electronics assemblies.
• Experience with EMI/EMC mitigation techniques.
• Experience with CNC manufacturing.
• Aerospace or automotive electronics design, development, and qualification.

CesiumAstro 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. All CesiumAstro internships are compensated competitively.

CesiumAstro, Inc. is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex including sexual orientation and gender identity, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.