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Senior Staff Electrical Engineer FlatSat

CesiumAstro

Job Location:

Westminster, CA - USA

Yearly Salary: USD 184000 - 225000

Posted: 6 October 2026 (2 days ago)

Application Deadline: 3 January 2027

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 Senior Staff Electrical Engineer to architect build and manage our FlatSat infrastructure. This role owns the planning execution and continuous evolution of a system that mirrors the spacecraft and integrates flight hardware flight software ground systems and GSE into a complete mission representation.

The FlatSat is not a lab bench it is a system nearly as complex as the flight vehicle some ways it is more complex due to the integration of ground interfaces support equipment and test orchestration.

The FlatSat Lead will be responsible for technical direction configuration control infrastructure development and cross-functional coordination to ensure the FlatSat enables rapid development risk reduction and mission success.

JOB DUTIES AND RESPONSIBILITIES

Define the architecture configuration and roadmap for theFlatSatenvironment
Develop system-level integration plans covering flight hardware avionics software and ground interfaces
Ensure theFlatSataccuratelyrepresentsmission configuration and operational scenarios
Establish infrastructure to support full mission simulations and end-to-end testing
Design and sometimes personally build custom Ground Support Equipment (GSE) and test interfaces
Oversee mechanical electrical and network integration ofFlatSathardware
Define power communications data handling and environmental support architecture
Ensure maintainability scalability and reliability of theFlatSatsystem
Plan and execute system integration campaigns
Coordinate across flight software hardware RF payload and ground teams
Enable regression testing mission rehearsals anomaly reproduction and validation testing
Drive configuration management and documentation discipline
Establish procedures for safe operations access control and hardware handling
Manage upgrades and configuration changes as flight hardware evolves
Track risks integration issues and system limitations
Support design reviews test readiness reviews and mission readiness reviews

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

Bachelors degree in Electrical Engineering Aerospace Engineering Systems Engineering or related field
15 years of experience in spacecraft integration systems engineering or hardware/software test environments
Hands-on experience working with satellite subsystems and avionics
Strong understanding of spacecraft power communications command & data handling and ground interfaces
Experience designing or supporting hardware-in-the-loop (HIL) or integration testbeds
Ability to read and interpret electrical schematics and system diagrams
Proven ability tooperatein fast-paced evolving technical environments

PREFERRED EXPERIENCE

Experience leading integration efforts for small satellite or spacecraft programs
Experience designing custom GSE
Familiarity withflatsator spacecraft system test campaigns including Hardware-in-the-Loop labs (HIL/HWIL)
Knowledge of RF and payload integration
Experience supporting environmental test or mission rehearsals
Background in high-reliability or mission-critical systems

$184000 - $225000 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:

Staff IC

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