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Avionics

Senior Electronics Test Engineer

CesiumAstro logoCesiumAstro$133,000–$161000/yrWestminster, CO, United StatesFull-timePosted 4w 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.

We are looking to add a Senior Electronics Test Engineer to our team. If you are excited about working in a startup environment and are passionate about developing critical test systems for leading-edge satellite, spacecraft, and aerospace communication systems, we would like to hear from you.

In this position, ** ** you will be responsible for the design, analysis, and implementation of engineering test plans and procedures for board-level electronics products, including power, digital, and RF electronics. The ideal candidate possesses a strong combination of hardware and software knowledge with proficiencies in measurement techniques, test equipment, test architectures, automation, and integrated system testing. The successful candidate will work closely with multi-disciplinary teams to address company-wide test needs.

This role will be responsible for software products necessary throughout all phases of test and integration. Key projects will include developing and managing software for interfacing with flight hardware and test equipment in an abstract and flexible manner that can be quickly implemented into a variety of test campaigns, developing methods to store and access generated data, and equipping the test team with other software tools necessary to efficiently accomplish ambitious testing goals. Additionally, designing test solutions for flight hardware optimizing for reliability and efficiency, and developing modular, reusable test and automation software in Python (or similar languages) implemented in a variety of test applications to verify design and build quality.

A Senior Test Engineer is distinguished by an ability to architect test systems, to draw insightful conclusions from test results, and to participate in “design for test” planning and review from the early stages of product development. The successful candidate will present engineering design review materials to our customers and executive team, as well as participate in proposal-writing efforts. As such, excellent written and verbal communication skills are required.

JOB DUTIES AND RESPONSIBILITIES

  • Developing test architectures and test systems, including equipment selection, test fixtures, data logging methodology, and interfaces.
  • Designing and executing tests at the prototype, qualification, and acceptance stages.
  • Developing test requirements for new products.
  • Designing tests for compliance with standards, such as NASA GEVS (GSFC-STD-7000).
  • Planning and executing board-level verification tests, such as high-speed signal integrity, digital link characterization, power supply performance, and performance over temperature.
  • Designing and developing systems for testing complex integrated hardware and software, such as phased array products that combine radios, computers, and phased array antennas.
  • Advising design engineering team on design-for-testability (DFT).
  • Evaluating and documenting test results, presenting them to key stakeholders.
  • Contributing to the continuous improvement of in-house tools, such as test software and documentation templates.
  • Training technicians and operators to perform tests.
  • Contributing to lab buildout and lab management.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

  • A Bachelor of Science (BS) or higher degree in Electrical Engineering or similar from an accredited university.
  • A minimum of 5 years of industry or university research experience in design, analysis, and implementation of electronic products and/or test systems.
  • Experience designing and executing test plans for custom board-level electronics.
  • Hands-on experience with lab instruments such as digital oscilloscopes, spectrum analyzers, RF signal generators, and vector signal analyzers.
  • Programming or scripting experience, such as Python, LabVIEW, SQL, MATLAB, or Embedded C.
  • Excellent written and verbal communication skills.

PREFERRED EXPERIENCE

  • Experience working in a version-controlled environment (Git or SVN).
  • Knowledge of Windows and Linux operating systems, VLANs, and network security.
  • Experience developing graphical user interfaces for a production environment.
  • Extensive knowledge of a range of digital and analog interfaces including GPIB, USB, VISA, TCP/IP, VLAN, CAN bus, SPI, I2C, and analog-to-digital conversion.
  • Experience programming test equipment using SCPI.

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.

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

The application

Your details and CV, then 9 questions (1 written).

Have readyCVLinkedIn (optional)
  1. 1.
    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
  2. 2.
    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
  3. 3.
    Do you have a family member that is currently employed with CesiumAstro?Yes or no
  4. 4.
    If yes, please specify the individual(s) and the department or location in which they work:Short answer · optional
  5. 5.
    Please indicate the highest level of education you have completed.Pick one (7 options)
  6. 6.
    Please select which of the following security clearances and/or access you currently hold.Pick any (8 options)
  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.
  9. 9.
    If yes, please specify the individual(s) and the department or location in which they work:Written answer · optional

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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