Sr Electrical Test Engineer , Amazon Leo

Amazon Leo is Amazons 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.

We are looking for an experienced and highly skilled Senior Electrical Engineer to lead our advanced power systems for battery testing. This role will involve designing building test and validation of our comprehensive test systems including PCBA cyclers battery cyclers and hardware-in-the-loop (HIL) battery emulators. The ideal candidate will be a technical expert in electrical circuits system designing and selecting parts where our test systems meet the highest standards of performance safety and reliability.

Key job responsibilities
- Lead the design selection and development of battery cyclers and hardware-in-the-loop (HIL) battery emulators for space applications
- Collaborate on power supply selection component sizing and overall system architecture to ensure high performance efficiency and reliability.
- Design custom boards for battery cyclers and emulators working closely with cross-functional engineering teams.
- Size electrical components such as current sensors harnesses gauges and other critical battery-related hardware.
- Execute electrical tests on battery systems including PCBA testing system verification and custom test setup design.
- Build and configure test setups to test thermistors heaters short circuits and other electrical components of the battery system.
- Ensure compliance with relevant industry standards and internal quality controls in the design and testing of battery systems.
- Provide guidance and technical expertise to junior engineers and cross-functional teams involved in the battery development process.
- Lead troubleshooting and root cause analysis of battery system failures during testing and provide solutions for redesign or system improvements.
- Collaborate on the development implementation and execution of battery testing strategies including functional safety and performance testing of battery systems for space applications.
- This role may require occasional travel for different locations third party labs vendors or meetings as needed up to 20% of the time
- This role requires the physical ability to lift and move up to 25 lbs including frequent bending reaching and standing if needed.

- Bachelors degree in electrical engineering or equivalent
- Knowledge of industry standard test automation tools and experience developing product test frameworks
- 5 years of experience in test systems design including cycler and emulator development power supply design and component sizing.
- Proven expertise in custom test setup development for components and system level.
- Hands-on experience with electrical testing equipment and methodologies.
- Proficiency in schematic design electrical drawings and system-level verification processes.
- Strong experience with multiple communication protocols including CAN SPI I2C and others
- Proactive problem-solving skills and the ability to work in a fast-paced collaborative environment.
- Effective analytical and problem-solving skills with the ability to work in a fast-paced collaborative environment.
- Experience with automation and data acquisition systems for battery testing.

- Masters degree in Electrical Engineering or a related field.
- Experience with aerospace automotive or other high-reliability battery systems.
- Familiarity with industry standards for battery testing and safety (e.g. IEC UL SAE).
- Expertise in battery safety testing thermal management and failure analysis.

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 for more information. If the country/region youre applying in isnt 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 $128600/year in our lowest geographic market up to $213600/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 This position will remain posted until filled. Applicants should apply via our internal or external career site.