Sr Sustaining Engineer, Battery Design & Architecture

Proterra
Proterra

IT, Design

Greer, SC, USA

Posted on Jun 17, 2026

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 change 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:

This engineering position will provide design-focused support and technical issue resolution for our battery products that are entering or are already in production. As a member of the Sustaining Engineering organization, you will work in a lead role on the investigation and improvement of products with key cross functional teams to perform failure analysis, identify design improvements, create the design updates, test to requirements, and document and release to manufacturing. Implementation of design changes will follow our engineering change order (ECO) and change management (CRB/CCB) processes.

About the Role – You will:

  • Serve as a design engineering representative for all battery products in production.
  • Lead investigations to identify and implement engineering solutions to design issues, utilizing Catia 3DExperience (3DX) to create/modify design data (3D and 2D).
  • Responsible for the development of technical project plans and schedules covering engineering activities, meeting all design control and product development SOP requirements.
  • Create and support documentation and reporting activities, including (but not limited to) non-conformance reports (NCRs), supplier deviation requests (SDRs), and engineering change requests (ECRs).
  • Write, submit and coordinate the approvals for engineering change orders (ECOs), while also ensuring the proper implementation of design changes in production.
  • Manage BOM generation/revisions for a high-mix variant product line.
  • Attend material review board (MRB) to provide guidance on disposition of materials.
  • Work with quality and manufacturing teams to support first-article inspections, line trials and production pilot builds.
  • Collaborate with the broader engineering team to provide DFA/DFM feedback and assist in the development of significant design specifications, FMEAs, DOEs, verification and validation protocols.
  • Work directly with component suppliers to troubleshoot issues, request samples, and understand cost and timing impacts of changes.

Your Experience Includes:

  • BS degree in Engineering with 5+ years of relevant experience.
  • Working in a product development environment with an emphasis on failure analysis.
  • Worked in 3D CAD design and 2D drafting (including GD&T) of mechanical components (CATIA experience is preferred).
  • Knowledgeable in high and low volume manufacturing methods and equipment.
  • Detail oriented, with an ability to become a Subject Matter Expert (SME) in order to make informed decisions.
  • Hands on technical experience.
  • Exposure to mechanical and electrical measurement equipment (isolation testing, multi-meter, oscilloscopes, data acquisition systems, etc.).
  • Methodical and diligent thinker, with a high attention for detail and a desire to work with a strong sense of quality and craft.

Designed and assembled in the United States, Proterra’s innovative battery platform offers industry-leading energy density, durability, performance and safety systems – enabling Proterra EV batteries to be the premium choice for commercial vehicles and industrial equipment.

Proterra’s battery technology offers industry-leading energy density, safety systems, and durability. Proudly designed in Silicon Valley and assembled in Greer, South Carolina, Proterra® batteries are the premier choice to electrify commercial vehicles ranging from buses and trucks to construction equipment and more. Proterra is building innovative battery technology to power a better, more sustainable world.

Location: Greer, SC

Travel: <15%

Applicants must be authorized to work for any employer in the U.S. There is no immigration sponsorship available for this role (ex: H1-B, OPT, CPT, TN or any other employment sponsorship).

Proterra is an Equal Employment Opportunity Employer, providing equal employment opportunities to all Employees and applicants for employment without regard to race, color, creed, religion, sex, sexual orientation, gender identity, national origin, disability, age, genetic information, veteran status, pregnancy, childbirth, or related medical conditions, including, but not limited to, lactation or any other characteristic protected by applicable federal, state, or local law or ordinance. Proterra participates in the Electronic Employment Verification Program (E-Verify).

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