Array Labs

Array Labs

Embedded Software Test Engineer

Redwood City, CA · Full-time

Work authorization required$150k-$250kDetected 76 days ago
PythonC++GitCI/CDJenkinsPandasNumPyData AnalysisCompensationFPGAEmbedded SystemsElectrical EngineeringHardware DesignSensorsTest AutomationCommunicationProblem Solving

About the role

  • In this role, you will bridge the gap between hardware and software, writing the code that proves our system works.
  • Interview Process We will conduct interviews via Google Meet with the potential for an onsite visit; the typical process takes around 3-5 weeks to complete from start to finish.
  • Why Join Array At Array Labs, deep technical expertise meets relentless impact.

Responsibilities

  • Design and implement automated test frameworks in Python to characterize the performance of radar, RF, and antenna subsystems.
  • Develop Hardware-in-the-Loop (HIL) test setups that integrate flight software, ground station commands, and simulated environmental data.
  • Collaborate with FPGA and RF engineers to define test requirements and debug complex hardware-software integration issues.
  • Maintain and upgrade continuous integration (CI) pipelines that run automated tests on physical hardware targets.
  • Stay curious, collaborate openly, push boundaries as one team

Requirements

  • Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science, or a related field.
  • 5+ years of experience in test engineering, embedded software development, or hardware validation.
  • Strong proficiency in C/C++ for embedded targets (writing test firmware, drivers, or diagnostic tools).
  • Expertise in Python for test automation, data analysis, and instrument control (e.g., PyVISA, NumPy, Pandas).
  • Familiarity with standard communication protocols such as SPI, I2C, UART, Ethernet, and PCIe.
  • Hands-on experience with lab equipment (Oscilloscopes, VNAs, Spectrum Analyzers) and debugging hardware down to the component level.
  • Excellent problem-solving skills and the ability to work independently in a fast-paced, startup environment.
  • Master's degree in an engineering discipline.
  • Experience with radar systems, phased array antennas, or satellite communications.
  • Experience with Xilinx Zynq/MPSoC platforms and Petalinux/Yocto build systems.

Nice to have

  • Preferred Skills & Experience

Compensation

  • find uncommonly good people and pay them uncommonly well.
  • We offer high flexibility between salary and equity-based compensation.
  • Equity is a significant component of total compensation, and we aim to provide meaningful ownership for this role.
  • Final candidates can choose from three compensation mixes: low, medium, or high equity.

Benefits

  • low, medium, or high equity.
  • Full-time employees also enjoy a comprehensive benefits package including health, dental, vision, a 401(k) with company match, commuter benefits, and more.

Company info

  • 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
  • We are looking for a Software Test Engineer to own the validation of our complex radar payload.
  • You will develop specialized firmware to exercise our FPGAs, RF front-ends, and antenna arrays, while simultaneously building high-level Python automation to orchestrate test campaigns.
  • You will work in a hands-on lab environment, pushing our hardware to its limits to ensure it survives and performs in the extreme conditions of space.
  • 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.
  • Create technology that serves customers and advances humanity
  • Build What Matters: Create technology that serves customers and advances humanity

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.
  • If you require a reasonable accommodation during the application or interview process, please let us know.
  • Array Labs is an Equal Opportunity Employer.

Visa & Work Authorization

  • citizen, lawful permanent resident of the U
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This listing is sourced directly from Array Labs's careers page and normalized into a canonical job model.