Intern Battery Engineer

Designed and assembled in the United States Proterras innovative battery platform offers industryleading 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 industryleading 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.

Position Overview:

This position plays a key role within the Product Development organization. As an engineering leader you will drive the creation of innovative mechanical designs for nextgeneration battery pack architectures. Your responsibilities will span the entire design lifecycle from concept ideation and prototyping to detailed part design analysis and final production. You will work closely with crossfunctional teams to ensure optimal performance manufacturability and scalability of battery systems all while adhering to the highest industry standards and advancing sustainability objectives.

About the Role You will:

As a Battery Engineering Intern you will:

• Collaborate with the engineering team to design prototype and validate innovative battery pack architectures.
• Assist in creating detailed mechanical part designs ensuring manufacturability and alignment with Proterras production standards.
• Conduct mechanical testing and validation to ensure compliance with safety reliability and performance requirements.
• Support design optimization for performance cost and scalability working closely with manufacturing and production teams.
• Analyze and resolve engineering challenges related to materials thermal management and structural integrity.
• Participate in crossfunctional reviews to ensure design and production readiness.

About Our Group:

• Through developing industry leading battery packs the Product Development Team helps Proterra meet our ambitious cost and energy density goals.
• This role is part of the larger Battery Technology Team. The Battery Technology Teams work is guided by our team values:
  • Purpose: We work towards a sustainable future for all by leading battery technology development and enabling electrification in every sector of transportation.
  • Initiative: We encourage taking ownership to find creative solutions to challenges. Were not afraid to fail.
  • Humility: We recognize when were not the expert ask for help when needed and change our minds when we get new information.
  • Critical Thinking: We are both creative and analytical. We break problems down to the fundamentals and question assumptions.
  • Intellectual Challenge: We are continuously learning and growing so that we can strategically tackle hard problems that push the industry forward.
  • Community & Diversity: We actively work to build a supportive space where people from diverse backgrounds can bring their whole selves to work connect meaningfully and grow both as individuals and as a group.
  • Kindness: Were more productive when we treat each other with empathy and respect. We support each other and offer meaningful help.
  • Fun: We purposefully create outlets to take breaks and have fun. We believe we should be inspired by our jobs and each other.
• You will report to the Battery Pack Engineering Manager and collaborate with other Engineering team members located at our R&D headquarters in Burlingame CA and manufacturing facility near Greer SC.

Your Experience Includes:

• Currently pursuing a Bachelors degree in Mechanical Engineering Materials Science or a related field.
• Experience with 3D CAD software (such as SolidWorks CATIA or similar).
• Strong analytical and problemsolving skills with a focus on mechanical design and materials.
• Knowledge of battery systems thermal management or structural mechanics is a plus.
• Excellent teamwork and communication skills.
• Passion for electric vehicle technology and sustainable solutions.
• 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.
• Environmental Demands
  • Ability to work in manufacturing environment with extreme heat and cold conditions.
  • Wear protective clothing or respiratory protective equipment.
  • Works with irritant chemicals gases etc.

Benefits

• Competitive Pay: Receive a wellcompensated internship opportunity.
• HandsOn Experience: Onsite practical learning in a dynamic hightech environment.
• Mentorship: Personalized guidance from experienced professionals.
• OnSite Perks: Enjoy workplace amenities and a collaborative atmosphere.
• Company Swag: Take home Proterrabranded merchandise.

Additional Details

• Location: This is a 40 hour per week paid internship opportunity based in Burlingame California at Proterra Powered.
• Compensation: Undergraduate : $23.00 $27.00 per hour; Graduate : $29.00 $33.00 per hour.
• Duration: This internship will run from June 2025 August 2025.

Join us in electrifying the future of commercial vehicles and building a more sustainable world with Proterra. Apply today!

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 (EVerify).

Applicants must be authorized to work for any employer in the U.S. There is no immigration sponsorship available for this role (ex: H1B OPT CPT TN or any other employment sponsorship).

Required Experience:

Intern