Systems Engineer III

Location: Redmond, Washington (Onsite)

Compensation: $64 - $74 hourly

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.

About the role

We are seeking a motivated Systems Engineer to execute battery validation activities supporting satellite development and production. This position focuses on battery power testing with an emphasis on test automation, hardware, and Python programming skills. The ideal candidate is hands-on in the lab, comfortable with complex electro-mechanical systems, and adept at using data to solve engineering problems.

Responsibilities

• Execute battery pack validation testing, including functional, environmental, electrical, and reliability tests.
• Develop automated test sequences for routine or overnight testing using Python and modern test hardware such as power supplies and DC loads.
• Perform systematic Root Cause Analysis (RCA) on hardware, test systems, and failures using structured engineering methodologies.
• Support troubleshooting of battery test equipment, instrumentation, and automated test systems.
• Analyze large volumes of battery performance and telemetry data to identify trends, anomalies, and failure mechanisms.
• Develop clear technical reports summarizing test results, engineering findings, recommendations, and corrective actions.
• Present technical findings to cross-functional stakeholders and support engineering design reviews.
• Identify opportunities to improve test methods, automation, data analysis workflows, and laboratory efficiency.
• Assist in developing test procedures, work instructions, and validation plans.
• Ensure all testing activities comply with laboratory safety requirements and standard operating procedures.

Requirements

• Bachelor’s degree in Electrical Engineering, Mechanical Engineering, Aerospace Engineering, Chemical Engineering, or a related engineering discipline.
• 3+ years of engineering experience in test, validation, manufacturing, or product development.
• Experience executing engineering test plans, documenting technical results, and performing data analysis using Python, JMP, or similar tools.
• Functional competency in coding, hardware selection, and troubleshooting.

Preferred Qualifications

• Experience testing lithium-ion battery systems or battery management systems (BMS).
• Experience performing Root Cause Analysis using methodologies such as 5 Why, Fishbone Diagram, Fault Tree Analysis (FTA), or Failure Mode and Effects Analysis (FMEA).
• Experience with laboratory instrumentation, including oscilloscopes, digital multimeters, electronic loads, power supplies, DAQ systems, and CAN Bus tools.
• Hardware-in-the-loop experience.
• Familiarity with Python scripting for test automation or data processing.
• Experience working in the aerospace, automotive, or consumer electronics industries.
• Experience using issue tracking and documentation tools such as Jira.

Work Environment

This role is designated as 100% onsite to facilitate hands-on lab work and collaboration. The successful candidate will demonstrate Ownership, Bias for Action, and the ability to Deliver Results while working independently across different parts of the team.

Benefits

• Medical, dental, vision, life, and disability insurance plans.
• Employee Stock Purchase Program (ESPP).
• 401K program with company match after 12 months of tenure.
• Health Savings Account (HSA) on the HDHP plan.
• SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions.
• Corporate discount savings program and other discounts.
• On-demand training program and access to certification prep, technical and leadership courses/books/seminars after 6+ months of tenure.
• Certification discounts and perks for associations including CompTIA and IIBA.
• Dedicated customer service team for consultants and a certified Career Coach.