Buyer Planner

Proterra; Greer (SC); On-site; USD 75,000 - 105,000; Full time

Job summary

Proterra is seeking a Lead Buyer Planner in Greer, SC to own the full purchasing and planning cycle, coordinating with Suppliers, Manufacturing Operations, Engineering, and Quality to ensure on-time delivery.

The role uses Oracle and Cloud Planning to forecast supplier demand, create requisitions and POs, and align AP. Strong collaboration, confidentiality, and problem-solving are essential in this high-tech manufacturing environment.

Qualifications

• Requires 1–3 years in manufacturing or high-tech industry.
• Proficient in Excel, Word, PowerPoint.
• Experience with ERP systems (Oracle).
• Experience in supplier management and coordinating with internal stakeholders.

Responsibilities

• Own purchasing and planning cycle from PO to on-time delivery.
• Forecasts for suppliers using Oracle and Cloud Planning.
• Coordinate with Change Management for part changes.
• Monitor KPIs: supplier on-time delivery, CTB, supplier compliance.
• Resolve invoice holds and drive continuous improvement.

Skills

Excel

Communication

Time management

Problem solving

Cross-functional collaboration

Education

Bachelor's Degree in Business or related field

Tools

Oracle ERP

Microsoft Office

Power BI

Job description

Position Overview:

The Lead Buyer Planner serves as a key operational partner to the Production Control Director and site leadership, driving supplier performance and procurement execution across Proterra's manufacturing environment. This role owns the full purchasing and planning cycle. From PO creation and supplier on‑time delivery to AP alignment and capacity coordination, while acting as the primary cross‑functional liaison between Suppliers, Manufacturing Operations, Engineering, Aftermarket, Finance, and Quality.

About the Role – You will:

• Utilize Oracle and Cloud Planning to provide forecasts for suppliers, create requisitions, Purchase Orders, and plan for material availability for production
• Review and provide feedback to Engineering and Change Management on Change Requests and Change Actions
• Coordinate with Change Management to monitor part changeovers to ensure proper cut in timing and on‑time delivery of material to the line
• Support the organization's KPI’s: Supplier On‑time delivery, Clear‑to‑Build, Supplier compliance with iSupplier and FreightPop use
• Focus on supplier performance improvements to support delivery and capacity ramp up at our facility
• Monitor and resolve Invoice Holds to ensure timely payment to suppliers
• Drive systematic root cause resolution, leveraging continuous improvement principles, to diagnose and resolve business problems, ensuring solutions are standardized and sustained

About You:

• Team player and self‑starter with the ability to adapt interpersonal styles and techniques to influence at all levels of the organization and external suppliers
• Customer‑focused attitude, with a high level of professionalism and discretion
• Ability to maintain strict confidentiality, establish trust and credibility, and act with complete integrity
• Detail‑oriented, resourceful, and diligent
• Strong time management and organizational skills; ability to prioritize tasks and manage multiple priorities simultaneously
• Sound judgment and problem‑solving skills
• Excellent communication skills

Your Experience Includes:

• Bachelor’s Degree in Business, Supply Chain, Engineering, or equivalent field
• Minimum 1‑3 years’ experience in manufacturing or high‑tech industry
• Proficient in Microsoft Applications (Excel, Word, PowerPoint)
• Strong knowledge or understanding of ERP system (i.e., Oracle)
• Experience in supplier management
• Experience managing multiple objectives and plans and communication to suppliers and internal stakeholders

You might also have:

• MBA or advance degree
• Power BI experience is a plus

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).