Test Engineer

Lithion Battery•Henderson, NV

40d•Onsite

About The Position

The Test Engineer is responsible for developing, supporting, and optimizing manufacturing test systems and processes for battery pack production. This role plays a critical part in ensuring product quality, reliability, safety, and production efficiency through the implementation and continuous improvement of testing equipment, methodologies, and data analysis. The Test Engineer will work closely with Manufacturing, Quality, Product Engineering, and Operations teams to support production testing activities, troubleshoot test failures, improve test coverage, and drive process improvements. This position requires strong technical expertise in electrical and electronic systems, automated test equipment, and PCBA testing.

Requirements

Bachelor's degree in Electrical Engineering, Electronics Engineering, Mechanical Engineering, Manufacturing Engineering, Mechatronics, or a related engineering discipline.
Minimum of 3 years of experience in test engineering, manufacturing engineering, electronics testing, or a related technical field.
Experience supporting test systems in a manufacturing environment.
Strong troubleshooting and root cause analysis skills.
Experience working with electrical test and measurement equipment.
Ability to read and interpret electrical schematics, wiring diagrams, and technical documentation.
Strong communication skills and ability to collaborate across multiple functions.

Nice To Haves

Experience in battery pack manufacturing, energy storage products, automotive systems, or related industries.
Experience with Battery Management Systems (BMS) and battery pack electronics.
Knowledge of PCBA manufacturing and test methodologies, including functional test (FCT), in-circuit test (ICT), and board-level diagnostics.
Experience with automated test equipment (ATE) and industrial automation systems.
Familiarity with Manufacturing Execution Systems (MES) and production traceability systems.
Experience using data analysis and visualization tools such as Power BI, SQL, Python, Minitab, or JMP.
Knowledge of communication protocols including CAN, LIN, Ethernet, RS-232, and RS-485.
UN38.3 testing IEC 62133 / UL certification
Environmental and abuse testing

Responsibilities

Support production testing of battery packs, subassemblies, and electronic components, including end-of-line (EOL), functional, safety, and performance testing.
Troubleshoot and resolve test failures, equipment issues, and process-related testing concerns.
Provide hands-on support to manufacturing operations to minimize downtime and improve productivity.
Monitor test system performance and identify opportunities to improve reliability, repeatability, and throughput.
Support production ramp-ups, process changes, and new product introductions (NPI).
Design, develop, validate, and maintain manufacturing test equipment, fixtures, and automated test systems.
Develop test procedures, specifications, acceptance criteria, and work instructions.
Improve existing test methods and implement new testing technologies to enhance quality and manufacturing efficiency.
Support equipment qualification, calibration, preventive maintenance, and validation activities.
Collaborate with cross-functional teams to ensure test systems meet product and manufacturing requirements.
Develop and maintain test methodologies for printed circuit board assemblies (PCBAs) used in battery packs and Battery Management Systems (BMS).
Support functional testing, programming, validation, and troubleshooting of electronic assemblies.
Analyze electronic failures and work with Product Engineering and Manufacturing teams to determine root causes and implement corrective actions.
Utilize electrical test equipment such as oscilloscopes, digital multimeters, data acquisition systems, power supplies, and communication analyzers.
Support verification of engineering changes affecting electronic hardware and firmware.
Analyze test and manufacturing data to identify trends, recurring failures, and process improvement opportunities.
Generate reports and dashboards to support production and quality decision-making.
Lead root cause investigations using structured problem-solving methodologies.
Implement corrective and preventive actions to improve product quality and test effectiveness.
Support yield improvement initiatives and reduction of false failures and test escapes.
Create and maintain test documentation, procedures, validation reports, and engineering records.
Support quality system requirements, audits, and process validation activities.
Participate in risk assessments, PFMEAs, and Control Plan development.
Ensure testing processes comply with company, customer, safety, and regulatory requirements.
Promote safe work practices when working with battery systems, electrical equipment, and manufacturing machinery.