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CesiumAstro

Designs satellite communications hardware and software

Senior Test Engineer

Spacecraft & Launch Vehicle SystemsConfirmed live in the last 24 hours
Full-timeAustin, TX, USAIn-person

About the Job

Requirements

  • A Bachelor of Science degree or higher in Electrical Engineering or a similar field from an accredited university.
  • At least 5 years of industry or university research experience in the 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 digital oscilloscopes, spectrum analyzers, radio-frequency signal generators, and vector signal analyzers.
  • Programming or scripting experience with Python, LabVIEW, SQL, MATLAB, or Embedded C.
  • Excellent written and verbal communication skills.

Responsibilities

  • Develop test architectures and test systems, including equipment selection, test fixtures, data-logging methodology, and interfaces.
  • Design and execute tests at the prototype, qualification, and acceptance stages.
  • Develop test requirements for new products.
  • Design tests for compliance with standards such as NASA GEVS (GSFC-STD-7000).
  • Plan and execute board-level verification tests, including high-speed signal integrity, digital link characterization, power-supply performance, and performance over temperature.
  • Design and develop systems for testing complex integrated hardware and software, including phased-array products combining radios, computers, and phased-array antennas.
  • Advise the design engineering team on design for testability.
  • Evaluate and document test results and present them to key stakeholders.
  • Contribute to the continuous improvement of in-house tools, including test software and documentation templates.
  • Train technicians and operators to perform tests.
  • Contribute to laboratory buildout and laboratory management.
  • Develop and manage software for interfacing with flight hardware and test equipment in an abstract and flexible manner for rapid implementation across test campaigns.
  • Develop methods to store and access generated data.
  • Provide the test team with software tools needed to accomplish testing goals.
  • Design reliable and efficient test solutions for flight hardware.
  • Develop modular, reusable test and automation software in Python or similar languages for varied test applications to verify design and build quality.
  • Architect test systems, draw conclusions from test results, and participate in design-for-test planning and review from early product-development stages.
  • Present engineering design-review materials to customers and the executive team.
  • Participate in proposal-writing efforts.

Desired Qualifications

  • Experience working in a version-controlled environment using Git or SVN.
  • Knowledge of Windows and Linux operating systems, VLANs, and network security.
  • Experience developing graphical user interfaces for a production environment.
  • Knowledge 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.

About the Company

CesiumAstro

Designs satellite communications hardware and software

CesiumAstro builds end-to-end space and airborne communications systems, combining hardware and software to connect satellites, UAVs, and ground stations. Its products include active phased array antennas, software-defined radios, and complete RF payloads that enable electronically steered links for inter-satellite communication, high-rate downlinks, lunar communications, and 5G/NTN networks. The company ships plug-and-play, commercially manufactured, full-stack systems designed to be flexible and cost-efficient, rather than bespoke one-off solutions. Its goal is to make space-based connectivity more accessible and adaptable across space, air, and ground networks for both government and commercial customers.

Company size
501-1,000
Company stage
Debt Financing
Total funding
$1.6B
Headquarters
Bee Cave, TX
Founded
2017

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