Principal Test Engineer

EnerSys
Reading, PA

EnerSys is a global leader in stored energy solutions for industrial applications. We have over thirty manufacturing and assembly plants worldwide servicing over 10,000 customers in more than 100 countries. Worldwide headquarters are located in Reading, PA, USA with regional headquarters in Europe and Asia. We complement our extensive line of Motive Power and Energy Systems with a full range of integrated services and systems. With sales and service locations throughout the world, and over 100 years of battery experience, EnerSys is the power/full solution for stored DC power products.

 

Job Purpose

Reporting to the Battery Performance Test Manager, the Principal Test Engineer will be responsible for supporting Li-Ion NPI(New Product Introduction) activities. The Principal Test engineer will be responsible for writing test procedures, quoting outside test lab work, organizing test material, ensuring all tests are completed correctly, communicating with internal customers, and writing the final test reports

Essential Duties and Responsibilities

  • Work as part of a Global V&V team supporting Li-Ion product related NPI Activities.
  • Conduct battery and system electrical performance testing.
  • Liaise with and support witness test at 3rd party laboratory tests.
  • Work with external parties on fixture design and test instrumentation & optimization
  • Author test reports.
  • Identify test equipment to build/enhance internal testing capability.
  • Manage and maintain test equipment
  • Develop and optimize test methods.
  • Develop test standards.
  • Provide product design enhancement suggestions.

Qualifications

  • Undergraduate degree in Electrical, Mechanical or related technical field.
  • Demonstrated development of test equipment controls and DUT integration
  • Experience with communication protocols EG CAN, Modbus, TCPIP
  • Software development experience with test communication protocols, including LabView programming language
  • 8+ years of testing experience.
  • Demonstrated strong teamwork with various organizations both internal and external.
  • Strong communication skills with cross functional teams

Preferred Qualifications:

  • Graduate degree in Electrical Engineering.
  • 5+ years of testing large format Li-Ion batteries.
  • 5+ years software development experience with test communication protocols, including python programming language

 

EnerSys provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

We use artificial intelligence to screen, assess and select applicants for open positions, including for the purposes of reviewing and ranking application materials and scoring answers to application questions. Accordingly, decisions about your application and eligibility for employment with EnerSys may be made based exclusively on the automated processing of the personal information that you submit in your application materials.

Posted 2026-03-27

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