AFTERMARKET SALES & PRODUCTION PLANNING ROLES – PROTERRA (GREER, SC)

Various positions | Proterra | Greer, SC

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Aftermarket Sales Specialist

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
  
  

Senior Production Planner

We are seeking an experienced and strategic Senior Production Planner to join our Operations team. In this role, you will own material planning strategies that ensure uninterrupted production flow while optimizing inventory investment and minimizing supply chain risk across battery and electric vehicle manufacturing operations.

This is a senior-level role requiring independent judgment, cross-functional leadership, and deep expertise in material planning in a complex manufacturing environment.

About the Role – You will: 

• Own and maintain the master production schedule, translating customer demand and build plans into actionable material requirements.
• Develop and manage material requirements planning (MRP) outputs, resolving exception messages and ensuring planning signals are accurate and actionable.
• Lead Sales, Inventory & Operations Planning (SIOP) process for assigned areas, including facilitating demand review, supply review, and executive review cycles to align production plans with business objectives.
• Provide forward-looking demand and supply analysis to leadership, highlighting risks, opportunities, and recommended actions.
• Establish and maintain safety stock levels, reorder points, and min/max parameters across a broad parts catalog, balancing service level targets with inventory cost objectives.
• Monitor and report on key planning KPIs including on-time delivery, inventory turns, excess & obsolete exposure, and supplier fill rates.
• Serve as a power user of Oracle Cloud (or equivalent ERP), ensuring data integrity across item masters, planning parameters, and purchasing records.
• Identify and drive resolution of systemic planning failures, including master data gaps and integration issues that degrade MRP signal quality.
• Develop and maintain SOPs, work instructions, and process documentation for planning and buying functions.
• Champion continuous improvement initiatives that reduce lead times, improve planning accuracy, and eliminate manual workarounds.