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Aftermarket Sales Specialist
Proterra
Sales & Business Development
Greer, SC, USA
Posted on Mar 28, 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:
Responsible for aftermarket sales, account management, and supporting commercial operations. This includes upfront customer identification, contract administration, customer relationship management, quotation for Aftermarket parts, inventory management to meet customer expected lead times.
About the Role – You will:
- Drive sales of aftermarket parts to meet annual revenue target
- Serve as the main commercial point of contact for all aftermarket parts support for Proterra, both internally and externally. Ensure all tasks align with the established aftermarket parts practices and procedures. Customize approaches for external customers as required.
- Own commercial relationship with customers under Aftermarket contracts.
- Identify and work with Internal team to execute recommended stocking levels for OEM partners.
- Collaborate with the Operations team and Commercial Operations Manager to improve Sales Order fulfillment and troubleshooting issues related to customer delivery
- Partner with internal stakeholders to forecast, manage, and consume inventory for Aftermarket demand – to support revenue targets
- Manage Aftermarket parts contracts, PO, and partnerships with buyers of aftermarket parts – including Dealers, end customers, and ecosystem partners
- Collaborate with Partnerships to identify and sign new agreements with ecosystem partners that want to buy aftermarket parts
- Work with Finance, Supply Chain, and team on Pricing to include changes to COGS
Your Experience Includes:
- Bachelor’s degree in Business Admin, Engineering, Marketing, Communication and/ or Professional Selling.
- Minimum two years of relevant work experience
- Experience working at Original Equipment Manufacturer (OEM) on sales, parts management, or operations
- B2B or corporate sales and/or contract negotiations
- Experience working with Dealers’ Aftermarket Parts or Parts Departments (preferred, but not required)
- Experience working with Operations teams such as supply chain, logistics, procurement (preferred, but not required)
- Self-driven go get attitude
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: 0 - 10%
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).