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Flight Software

Summer 2027 - GNC Internship

CesiumAstro logoCesiumAstro~$134k–$174k/yrtypicalWestminster, CO, United StatesInternshipPosted 1mo ago

This posting asks for U.S. citizenship.

About the role

**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. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.

As a GNC Intern , you will support the development of our in-house satellite, Element, by analyzing future satellite and constellation missions to drive technology roadmaps and business plans. This will be a project-based internship where you will get the opportunity to work on a space mission analysis assignment. You will work closely with CesiumAstro engineers on orbit design, mission analysis, system trades, and subsystem interactions. Interns will have the opportunity to contribute directly to CesiumAstro’s spacecraft programs through Element GNC analysis as well.

During the program, interns will present their work to peers, mentors, and Cesium executive leadership. As such, strong communication skills are essential.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

  • Current enrollment in a Master of Science (MS), or PhD program in Aerospace Engineering.
  • Completed coursework in orbits, GNC, and mission design.
  • Hands on experience with python for simulation and scripting.
  • Proven motivation to build and explore via personal, work, or school projects.
  • Excellent written and verbal communication skills.

PREFERRED EXPERIENCE

  • Graduate coursework officially focused on Space Mission Design
  • Familiarity with Basilisk Framework, GMAT, or STK for mission simulation
  • Programming ability in C++
  • A minor or coursework in finance or business accompanying an undergraduate engineering or physics degree
  • Advanced coursework space mission design, satellite business models, or related areas

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

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

Copied from the listing CesiumAstro published, verified 30 Oct 2026.

The application

Your details and CV, then 8 questions.

Have readyCVLinkedIn (optional)
  1. 1.
    What is your current overall GPA?Pick one (11 options)
  2. 2.
    What is your current academic year?Pick one: Freshman · Sophomore · Junior · Senior · Graduate Student
  3. 3.
    As a result of the work performed by CesiumAstro, all eligible candidates must be a U.S. Person or able to obtain an export license. U.S. Persons include U.S. Citizens, Permanent Residents, conditional residents, asylees, and refugees. AreYes or no
  4. 4.
    Do you now or will you in the future require sponsorship for employment visa status? Please select "Yes" if you will require the Company to commence ("sponsor") an immigration or work permit case in order to employ you, either now or at somYes or no
  5. 5.
    Do you have a family member that is currently employed with CesiumAstro?Yes or no
  6. 6.
    If yes, please specify the individual(s) and the department or location in which they work:Short answer · optional
  7. 7.
    By submitting your application you hereby certify that the facts set forth in the above employment application are true and complete to the best of your knowledge. I certify that the information on this application is accurate and completePick any: Yes, I have read the Applicant Authorization and Certification and I acknowledge and agree with the terms stated above.
  8. 8.
    I have applied for employment with CesiumAstro, Inc. (the “Company”). In consideration of the Company's accepting and evaluating my application for employment, I hereby agree that I will comply with and be legally bound by the following terPick any: I agree with the above obligations related to protection of Proprietary Information.

Taken from the application form CesiumAstro runs, verified 30 Oct 2026.

How to apply to CesiumAstro: the questions its forms ask across its open roles.

About CesiumAstro

Software-defined radios, phased-array payloads and satcom terminals for space and defense.

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