Mechanical Design Engineer, Battery Pack Design and Architecture

Staff Mechanical Design Engineer, Battery Pack Design and Architecture

Job Category
:
Engineering

Requisition Number
: STAFF
004198

Apply now

• Posted :
  January 5, 2026
• Full-Time
• On-site

Showing 1 location

Greer, SC 29651, USA

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, andleadtransformativechangesin 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 fullselvesto work. Our employeesbenefitfrom competitive total rewards packages, and opportunities to develop professionally.

Position Overview:

The product development teamis responsible for designing battery pack modules and system enclosures that define the direction of our future products. Itis also responsible formaintainingand supporting current production programs toprovide design-focused support and technical issue resolution.

As a member of this engineering team, you will work ina leadrole whois responsible for driving the mechanical design, system architecture, structural integrity,design documentation, manufacturabilityof battery packsto ensure that we follow entire product development cycle till successful launch. This role combines deep mechanical engineeringexpertisewith strong systems thinking, cross-functional leadership, and a drive for innovation and product excellence. You will be thecomponentmanager from the concept through production, ensuring compliance with safety, regulatory, thermal, vibration, structural, and manufacturability requirements.

About the Role – You will:

• Design high quality mechanical and electromechanical part and assembly designs efficiently and with good modeling practices
• Develop cost effective,innovative and weight-optimized structural solutions to meet thermal, NVH, and crash safety requirements
• Create and manage detailed engineering drawings/design data (3D and 2D), utilizing Catia 3DExperience (3DX) by applying a high standard of Geometric Dimensioning and Tolerancing (GD&T)
• Responsible for the development of technical project plans and schedules covering engineering activities, meeting all design control and product development SOP requirements
• Support the transition of designs from prototype to high-volume manufacturing, focusing on Design for Manufacturing (DFM) and Design for Assembly (DFA)
• Mentor junior engineers and serve as a subject expert within the mechanical engineering team

Your Experience Includes
:

• Degree in Mechanical Engineering or related field;
  
  Bachelor’swith 10+ years ORMaster’swith 8+ industry experience in mechanical design
• Proficient in 3D CAD design and 2D drafting (including
  
  GD&Tand Datum structuring) of mechanical components (CATIA experience is preferred)
• Knowledgeable in high and low volume manufacturing methods, especially in aluminum casting, extrusion, stamping, forging, injectionmoldingetc.
• Deep understanding of structural mechanics, fatigue analysis, thermal managementprinciplesand ability to interpret FEA/CFDanalysis results
• Strong background with
  
  DFMEA, PFMEA, tolerance stack-upetc.
• Strong problem-solving skills and the ability to perform root cause analysis

Additional Desired

Skills:

• Experience in high voltage battery systems, energystorageor EV industry
• Knowledge of battery electrical components (cells, modules, current collectors, busbars, module too pack integration etc)
• Knowledge of manufacturing processes unique to battery pack construction (e.g., laser welding, potting, sealing)

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…