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Senior Engineering Technician, Validation Engineering

Proterra


Job Location:

Greer, SC - USA

Monthly Salary: Not provided by the employer
Posted: 29 September 2026 (Yesterday)
Application Deadline: 27 December 2026
Vacancies: 1 Vacancy

Department:

Engineering

Job Summary

Proterra offers a dynamic and supportive workplace where our employees can thrive personally and professionally. With cutting-edge facilities and groundbreaking projects Proterra offers unique opportunities to grow collaborate and lead transformative changes in the electrification of heavy-duty transportation and equipment.

Our commitment to innovation extends beyond our battery solutions to our people where we create an environment where everyone feels valued supported and empowered to drive change for the earth. Here at Proterra we strive to foster a culture of inclusivity valuing diverse perspectives and encouraging bold ideas allowing our employees to bring their full selves to work. Our employees benefit from competitive total rewards packages and opportunities to develop professionally.

Position Overview:

As a Senior Engineering Technician in the Validation Engineering team you will be supporting testing of Proterras existing and upcoming battery products and its components.

About the Role You will:

  • Maintain and uphold high safety standards for high-voltage battery pack and component testing including lockout/tagout (LOTO) and PPE protocols.
  • Work closely with other engineering service and manufacturing groups where required.
  • Work with the product validation group to ensure battery packs are validated at the product (full pack) level and components (cells modules BMS hardware) are validated at the component level to meet system requirements.
  • Directly support test articles (battery packs modules and cells) in completion of validation and durability tests including thermal cycling vibration and electrical performance testing
  • Maintain high work quality standards under minimal supervision
  • Perform minor adjustments repairs or setups to battery test equipment including cell/pack cyclers environmental chambers and data acquisition systems.
  • Support the departments preventative maintenance program for shop equipment tools fixtures gauge or machines.
  • Assist with documentation and paperwork as related to any repairs updates and failed parts tracking.
  • Assist with repairs of or setting up of test assets as needed on-site and at remote 3rd party test locations.
  • Assist with data analysis and preparation of test reports covering validation and durability test results battery pack and component performance and failure investigations.
  • Work with validation engineers to determine and document product and component failures.
  • Be an internal voice of the customer to ensure the highest quality product prior to product production launch.

About You:

  • Proactive
  • Customer-focused attitude
  • Able to maintain strict confidentiality establish trust and credibility and act with complete integrity
  • Detail-oriented resourceful and diligent
  • Flexible and open to change
  • Demonstrate sound judgment and problem-solving skills including challenging assumptions
  • Able to prioritize tasks and manage multiple priorities simultaneously
    Excellent written verbal and presentation communication skills


Your Experience Includes:

  • Associate degree in related field or equivalent relevant experience Preferred but not required
  • Experience in the following:
    • Electric Vehicles heavy equipment or automotive repair experience required
    • Electrical troubleshooting
  • On-board diagnostics experience: CAN based vehicle diagnostics and fault codes.
  • Knowledge in the following: Low voltage (5V-24V) and high voltage (800V) electronics electronic systems integration heavy wiring and vehicle mechanical systems.
  • Ability to read schematics to diagnosis both low and high voltage systems.
  • Proficient Experience with Multimeters High-Pot testers and standard repair tools.
  • Assist in modifying building and validating harnesses; Assist in wiring and building of functional testing equipment as requested by Engineering.
  • Performs and validates functional test; Checks and verifies quality related to prototype builds and test systems.
  • Able to achieve LOTO certification
  • Physical Demands:
    • May work various shifts as needed; may be requested to travel to different locations.
    • Lifting up to 25 pounds and occasionally 50 pounds.
    • Able to walk stand crouch bench kneel lift carry and reach as needed in large and tight spaces.
    • Good eye/hand coordination and ability to identify color variations depth perceptions and close or distance visual items.
    • Manual dexterity with occasional repetitive finger motion.
    • Able to achieve overhead fall protection training to allow vehicle roof top access and repair.
  • Environmental Demands:
    • Ability to work in a manufacturing environment.
    • Wear protective clothing or respiratory protective equipment.
    • Works with irritant chemicals gases etc.

Travel: 0 - 25%


Required Experience:

Senior IC


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Building innovative battery technologies to power a better, more sustainable world.

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