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Senior Ground Software Engineer

CesiumAstro

Job Location:

Westminster, CA - USA

Yearly Salary: USD 133000 - 161000

Posted: 1 October 2026 (Yesterday)

Application Deadline: 29 December 2026

Vacancies: 1 Vacancy

Job Summary

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.

AtCesiumAstro 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 seeking a SeniorGround Software Engineer to join our dynamic team. The ideal candidate will have hands-on experience as a satellite operator offering unique insights into the systems they will be building and integrating.

Your work will have a direct impact on the success of the company. You will work closely with the engineering team program management to ensure the successful build and launch of our will be the largest most powerful rideshare satellite in eight of them in the next four years starting with our first launch this small team willdesign build and iterate to reduce mass and cost whileincreasing performance reliability and manufacturability of a new generation of !

JOB DUTIES AND RESPONSIBILITIES

Executethe design development and deployment of ground software systems for a new satellite system including command and control telemetry telemetry database and ground station software.
Rapidly execute to produce a simple reliable ground system.
Implement real-time data acquisition processing and visualization systems for satellite telemetry.
Integrate and test ground software with satellite ground stations and network infrastructure.
Develop automated systems for satellite operation and ground system monitoring.
Conduct rigorous testing and validation of ground software including simulations and real-world scenarios.
Troubleshoot and resolve software issuesencounteredduring satellite operations.
Conduct tests with ground networks spacecraftsoftwareand hardware simulators.
Collaborate closely with hardware engineers satellite operators and other software teams to ensure seamless integration andoptimalperformance.
Keep up to date with the latest advancements in satellite communication technology and incorporate relevant innovations into our systems.
Provide technical leadership and mentorship to the software development team fostering a culture of excellence and continuous improvement.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

Minimum of 5 years of experience in software engineering with a focus on satellite ground systems.
Bachelors or Masters degree in Computer Science Engineering or a related field.
Demonstrated experience leading a software team through product development.
Prior experience as a satellite operator is required to provide clarity into the true needs of the system being developed.
Proficiency in programming languages including Python Java and C
Experience in satellite test and data collection applications.
Strong knowledge of satellite communication protocols such as CCSDS and CSP.
Familiarity with ground station hardware and RF communication principles.
Familiarity with common RF coding schemes such as DVBS2.
Experience with network architectures and protocols including TCP/IP and UDP.
Experience with load balancing network applications and managing cloud-based systems.
Knowledge of Linux/Unix operating systems and system administration.
Experience with software development methodologies including Agile and DevOps practices.
Knowledge of cybersecurity best practices specific to satellite and ground systems.
Strong problem-solving-skills with the ability to diagnose and resolve complex software issues in real-time.
Optimistic can-do attitude and the ability to produce in a chaotic environment.
Excellent communication and collaboration skills with the ability to work effectively in a multidisciplinary team environment.

PREFERRED EXPERIENCE

Experience with the Space Development Agency NEBULA standard.
Ph. D in Computer Science Engineering or related field.

$133000 - $161000 a year

CesiumAstro considers several factors when extending an offer including but not limited to the role and associated responsibilities a candidates 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 torace 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.

We may use artificial intelligence (AI) tools to support parts of the hiring process such as reviewing applications analyzing resumes or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed please contact us.

Required Experience:

Senior IC

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