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Array Labs

Posted 5 months ago

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Electrical Test Engineer

Redwood City, CAOn-siteFull-time

AI Summary

Electrical Test Engineer will develop hardware, test fixtures, automation, and test plans to validate radar payloads and satellite electronics, collaborating across RF, electrical, mechanical, and manufacturing teams to ensure flight readiness.

About this role

Array Labs builds advanced radar systems to help humanity understand and respond to changes across the physical world.
We’re launching a coordinated fleet of radar satellites to create a high-resolution 3D map of the Earth – updated in real time – enabling faster, smarter decision-making for government and commercial organizations supporting disaster response, infrastructure resilience, and mission-critical geopolitical intelligence.
We design and build our satellites end-to-end, producing the world’s most advanced earth observation satellites. Our fleet will deliver unprecedented levels of accuracy, coverage, and responsiveness to power critical insights precisely where they’re needed most.
About the Job
As an Electrical Test Engineer, you will develop the hardware, procedures, and automated test infrastructure used to validate Array’s radar payloads and satellite electronics. Your work will include designing test fixtures and harnesses, creating FPGA- and software-driven test interfaces, developing board- and system-level test plans, and executing environmental and functional testing across a range of operating conditions. You will collaborate closely with electrical, RF, antenna, mechanical, and manufacturing engineers to diagnose issues, validate performance, and ensure flight readiness. The test systems you build will directly affect hardware reliability, calibration stability, and overall system performance on orbit.
As part of our quickly growing engineering team, you will play a critical role in the design of the world’s most advanced radar satellite constellation—one that will significantly improve humanity’s ability to rapidly and comprehensively understand our changing planet.

Responsibilities:

  • Develop test solutions for in-house developed avionics hardware products which will fly to space
  • Write automation software to interact with units under test, test equipment, instrumentation, and production documentation systems
  • Bring up and debug new subsystems and testbeds with responsible engineers
  • Analyze test data and provide recommendations for improvements
  • Participate in design reviews and provide input on testability
  • Maintain test equipment and facilities
  • Improving our testing capabilities by finding ways to catch bugs before they manifest in production and prevent them from happening again

    • Basic Qualifications:

  • Proficient working in the lab with oscilloscopes, DMMs, power supplies, and logic analyzers
  • Proficiency with programming and automation/scripting languages or ability to quickly learn them (i.e. Python, C++, SQL, MATLAB) and navigating Linux terminals and file systems
  • Familiarity with design tools for schematic capture
  • Strong technical documentation skills, including report writing and test result documentation and storage
  • Familiarity with software defined radios
  • Familiarity working with and debugging complex systems (transceivers, SerDes, FPGAs, power management, etc…)

    • Preferred Skills and Experience:

  • Experience analyzing circuits and developing functional test plans
  • Board rework experience, specifically surface-mount soldering & hot-air rework
  • Experience operating in a contamination- and ESD-sensitive environments
  • Embedded software expertise, bare-metal (no-OS), RTOS-based, and Hardware Abstraction Layer (HAL) libraries for ARM-based microcontrollers or SoCs
  • Experience with system verification and validation, experience in root-cause test failures to ensure issues are understood and develop and implement mitigations as part of a process of continuous improvement
  • Bring-up and test of RF, power, and electronics subassemblies
  • Basic knowledge of RF system architecture and impairments or hands-on experience working with RF circuits and RF test equipment
  • Experience in space systems and environmental testing such as vibration, shock, thermal, burn-in, and TVAC
  • Understanding of sources of measurement error and how to implement appropriate mitigation strategies

    • ITAR Requirements:

  • To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.

    • Equal Opportunity Employer:

  • Array Labs is an Equal Opportunity Employer. Employment decisions are made on the basis of merit, competence, and job qualifications and will not be influenced in any manner by gender, color, race, ethnicity, national origin, sexual orientation, religion, age, gender identity, veteran status, disability status, marital status, mental or physical disability or any other legally protected status.

    • Skills

    ARM MicrocontrollersBare-metalBoard-level TestingBurn-inC++Data AnalysisDMMsEDA ToolsEmbedded SoftwareEnvironmental TestingFPGAHAL LibrariesHDLLinuxLogic AnalyzersMatlabOscilloscopesPower SuppliesPythonRF Test EquipmentRoot-cause AnalysisRTOSSchematic Capture ToolsSOCsSQLSystem-level TestingTest AutomationTest BenchesTVACVHDL/Verilog

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