Senior Mechanical Design Engineer, Battery Pack Design and Architecture

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:

The product development team is responsible for designing battery pack modules and system enclosures that define the direction of our future products. It is also responsible for maintaining and supporting current production programs to provide design-focused support and technical issue resolution.

As a member of this engineering team you will work in engineering support role who is responsible for driving the mechanical design system architecture structural integrity design documentation and manufacturability of battery packs to ensure that we follow entire product development cycle till successful launch. This role combines deep mechanical engineering expertise with strong systems thinking cross-functional leadership and a drive for innovation and product excellence. You will be the component manager for sub-system parts and support designs 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 electromechanical parts 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)
• Participate in detailed DFMEA and DVP&R documentation creation
• 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)
• Maintain design documentation and facilitate design reviews

Your Experience Includes:

• Degree in Mechanical Engineering or related field; bachelors with 5 years OR Masters with 3 industry experience in mechanical design
• Proficient in 3D CAD design and 2D drafting (including GD&T and Datum structuring) of mechanical components (3DX/CATIA experience is preferred)
• Experience in high and low volume manufacturing methods especially in aluminum casting extrusion stamping forging injection molding etc.
• Deep understanding of structural mechanics fatigue analysis thermal management principles and ability to interpret FEA/CFD analysis results
• Strong background with DFMEA PFMEA tolerance stack-up etc.
• Strong problem-solving skills and the ability to perform root cause analysis

Additional Desired Skills:

• Prior experience in high voltage battery systems energy storage or EV industry is valued but not required
• Brief 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 Proterras 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.

Proterras 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: Onsite role in Greer SC
Travel: < 15% Travel

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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Required Experience:

Senior IC