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HITL Test Engineer, Amazon Leo Navigation and Control & Propulsion

Amazon Redmond, Washington, United States

onsite
Posted Dec 15, 2025

Role & seniority

  • GNC & Propulsion Integrated Testing Engineer (HITL) for Amazon Leo; mid-to-senior level depending on experience

Stack/tools

  • Hardware-in-the-loop test capabilities; mechanical, electrical, pneumatic, vacuum systems

  • Data acquisition, servers, test racks; safety interlocks; ESD/ HV/ vacuum protocols

  • Linux/Unix environment; integration with software, avionics, vehicle integration, reliability teams

  • Sourcing, building, commissioning HITL assets; configuration management

Top 3 responsibilities

  • Develop, monitor, and maintain HITL test equipment and test facilities; troubleshoot failures

  • Design/implement automated control systems and safety interlocks; automate tests and equipment

  • Procure, assemble, and integrate new HITL assets; collaborate with software, avionics, and reliability teams

Must-have skills

  • Bachelor’s in mechanical/electrical engineering, materials science, physics, or equivalent

  • Experience in Linux/Unix; troubleshooting technical systems

  • Ability to lift/rack heavy equipment (up to 40 pounds)

  • 2+ years with electronics test equipment

  • Familiarity with safety protocols (ESD, HV, vacuum, etc.)

Nice-to-haves

  • Experience configuring/deploying/testing software updates and escalating issues

  • Collaboration experience with hardware/software teams on prototypes

  • Scripting in modern programming languages

  • 2+ years safety standards experience; process design/documentation

  • Vacuum systems and high-pressure inert gases experience

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Full Description

Amazon Leo is Amazon’s low Earth orbit satellite network. Our mission is to deliver fast, reliable internet connectivity to customers beyond the reach of existing networks. From individual households to schools, hospitals, businesses, and government agencies, Amazon Leo will serve people and organizations operating in locations without reliable connectivity.

Export Control Requirement: Due to applicable export control laws and regulations, candidates must be a U.S. citizen or national, U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

As a member of the Guidance, Navigation, and Control (GNC) & Propulsion Integrated Testing team, this role will build, maintain, improve, and troubleshoot hardware-in-the-loop (HITL) test capabilities. This includes monitoring the status and functionality of satellite components and support equipment, working with multiple stakeholders to optimize operations and resolve disruptions in availability, and automating tests and test equipment.

In addition to support for existing test capabilities, this role will utilize

existing design documentation (examples: bill of materials, layout and wiring diagrams, build and bring-up procedures) to procure, build, commission, and integrate new HITL test assets for internal customers within Amazon Leo. You will collaborate with teams spanning software, avionics, vehicle integration, reliability, and more to ensure Amazon Leo satellites are tested with rigor.

Key job responsibilities

  • Develop and execute monitoring and maintenance of test equipment including

  • mechanical, electrical, pneumatic, and vacuum systems

  • Troubleshoot and repair failed or faulty components

  • Design and implement automated control systems and safety interlocks

  • Support day to day operations of HITL venues, including configuration

  • management

  • Assemble and deliver test racks including servers, data acquisition systems,

  • sensors, actuators, and thermal control

  • Follow ESD, low and high voltage, vacuum, and other safety protocols Basic

Qualifications: - Bachelor's degree in mechanical engineering, electrical engineering, material science, physics or equivalent

  • Experience in a Linux or Unix environment

  • Experience troubleshooting and debugging technical systems

  • Can lift and rack equipment up to 40 pounds

2+ years experience with electronics test equipment Preferred Qualifications

  • Experience configuring, deploying, and testing software updates, including the

  • ability to identify issues and escalate to development as appropriate

  • Experience working with hardware and software teams for setting up, testing,

  • and troubleshooting prototype devices

  • Experience scripting in modern programming languages

  • 2+ years of demonstrating safety standards experience

  • Experience in process design and documentation

  • Experience with vacuum systems and high pressure inert gases

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit

https: //amazon.jobs/content/en/how-we-hire/accommodations

[https: //amazon.jobs/content/en/how-we-hire/accommodations] for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

Our compensation reflects the cost of labor across several US geographic markets. The base pay for this position ranges from $86,900/year in our lowest geographic market up to $185,000/year in our highest geographic market. Pay is based on a number of factors including market location and may vary depending on job-related knowledge, skills, and experience. Amazon is a total compensation company. Dependent on the position offered, equity, sign-on payments, and other forms of compensation may be provided as part of a total compensation package, in addition to a full range of medical, financial, and/or other benefits. For more information, please visit

https: //www.aboutamazon.com/workplace/employee-benefits

[https: //www.aboutamazon.com/workplace/employee-benefits]. This position will remain posted until filled. Applicants should apply via our internal or external career site.

Hardware-In-The-Loop TestingTroubleshootingAutomated Control SystemsConfiguration ManagementElectronics Test EquipmentSafety StandardsProcess DesignVacuum Systemsmulti-location

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