Amazon Sr Electrical Test Eng 

United States, Washington, Redmond 

798774710

Job Description:Key job responsibilities
• Lead the design, selection and development of battery cycler and emulator test systems for space applications.
• Size electrical components such as power supplies, current sensors, harnesses, gauges and other critical battery-related hardware.
• Collaborate on the design of printed circuit board assemblies (PCBA) for Li-ion battery applications including electrical drawings, design review and verification processes.
• Design and build custom test systems to execute electrical tests on battery systems and components such as PCBA, thermistors, heaters etc.
• Lead troubleshooting and root cause analysis of battery systems failures and provide solutions for redesign or system improvements.
• Define project scope and milestones in order to deliver next generation test systems and PCBA.
• Collaborate with Engineering to optimize products through review and approve qualification documents such as DFMEAs, PFMEAs, etc.
• Validate design through prototype builds, pre-production builds and first-of-kind builds, conducting value engineering analysis through each step and updating design and documentation.
• Ensure compliance with relevant industry standards and internal quality controls to maintain highest levels of safety and performance.
• Provide guidance and technical expertise to junior engineers involved in the battery development process and its testing systems.Export Control Requirement:

- Bachelor’s or Master’s degree in Electrical Engineering or a related field.
- 5+ years of experience in battery system design, including cycler and emulator development, power supply selections, and component sizing.
- Strong experience in PCBA design and electrical testing, specifically within battery or power system environments.
- Proven expertise in custom test setup development, including thermistor, heater, and short-circuit testing etc.
- Hands-on experience with electrical testing equipment and methodologies.
- Proficiency in schematic design, electrical drawings, and system-level verification processes.
- Strong analytical and problem-solving skills with the ability to work in a fast-paced, collaborative environment.
- Familiarity with testing protocols and industry best practices.
- Experience with automation and data acquisition systems for battery testing.
- Strong Python coding.

- Experience working with interdisciplinary teams to execute product design from concept to production
- Experience with aerospace, automotive, or other high-reliability battery systems.
- Familiarity with industry standards for battery testing and safety (e.g., UN, IEC, UL, SAE).
- Expertise in battery safety testing, thermal management and failure analysis.
- Familiarity with satellite or aerospace battery systems is a plus.