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.

We are looking to add a GNC Engineer II to our team. If you enjoy working in a startup environment and are passionate about developing systems for leading-edge spacecraft, and aerospace communication systems, we would like to hear from you.

In this position, you will work on a small team in the design and analysis of GNC systems for CesiumAstro satellites and payloads. You will be responsible for Guidance, Navigation, and Control through all stages of design, integration, test, and operations. As such, you will perform trade studies, participate in design reviews, create models, and complete simulations and system testing. You will build, test, and fly hardware.

As a CesiumAstro spacecraft team member, you will work on a small team to develop satellites and put them in orbit. Being in a startup, you can expect significant portions of your time to be spent contributing to company-critical projects outside your area of expertise.

### KEY REQUIREMENTS:

Master of Science (MS), or Doctorate (Ph.D.) degree in Aerospace Engineering from an accredited university or institution

2 years of internship, research, or industry experience in satellite attitude and orbit systems

Expertise in attitude estimation, guidance, and control; coordinate frame transformations; linear algebra; and non-linear systems

Experience with multiple spaceflight missions from concept to operations

Experience in low earth orbit satellites

Experience with post-CDR test failures and on-orbit failures that guide your design and test philosophies

Experience with successful and unsuccessful recovery from on-orbit failures

Experience in conceptualization, architecture design, requirements specification, design, test, and operations of various GNC architectures and components

Familiarity with space mission simulation tools such as STK, Basilisk, GMAT, or FreeFlyer

Experience defining spacecraft trajectories and orbital requirements

Fluency with Python and C++, or other modeling languages

Familiarity with spacecraft mission design including events, pointing modes, maneuver planning, and operations

Excellent written and verbal communication skills

### PREFERRED EXPERIENCE:

CubeSat and SmallSat experience

Hands-on experience with spacecraft instrumentation, subsystems, and test labs

Experience with multiple mission simulation and flight architectures which drives your vision for the next generation of space software

Experience in LEO, MEO, GEO, and deep space satellites

Experience with communications satellites

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. Full-time employment offers include company stock options and a generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans.

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.

Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.

Guidance, Navigation, & Control (GNC) Engineer II

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