Expediter at Proterra, Inc. in Walnut, California

Job Description:

The Proterra Story

Communities are growing and evolving, and with that, our transportation needs are changing. Now more than ever, we need smart solutions that provide safer, more reliable and cleaner transit. Every day, Proterra works to meet those needs, with the world’s best-performing zero-emission buses. Our revolutionary battery-electric buses help fleet operators abandon fossil fuels, improve environmental quality and reduce operating costs. Join the Proterra Revolution.

Position Overview

This position will provide comprehensive expediting support to Proterra’s  Los Angeles, CA Site Sr. Materials Manager and other site leadership team members. You will be responsible and accountable for coordinating the material requirements planning in support of production schedules for existing and new product, and design changes.  This position will minimize raw material inventories while reducing purchasing costs, maximizing customer service and collaborating heavily with internal and external customer community, including vendors, manufacturing, engineering, service, quality control and quality assurance.

About the Role – You will:

• Analyze forecast, actual demand, schedules and inventory and exercise judgement to influence manufacturing and buying decisions. Review new releases and engineering changes and attend design review and production meetings to provide all departments with material status in support of shop floor schedules.


• Determine material requirements from the manufacturing production schedules, engineering, validation and process development studies. Manage inventory by determining and maintaining optimum quantity and cost levels.


• Review and analyze weekly raw material, components and finished goods requirements to meet specific schedules.


• Review, prioritize, schedule and expedite the delivery of material components to meet target dates and prevent stock shortages. Raise order fulfillment issues to management and key customers to propose mitigation strategies on a routine (daily/weekly) basis.


• Review and modify purchase orders as needed for procurement through approved/qualified suppliers for raw materials and components.


• Provide management control information by collecting, analyzing and summarizing data and trends. Produce material planning inventory reports and presentations as required. 


• Develop reports that measure performance and drive change throughout the supply chain. Work with other business units on inventory and logistics planning of rollouts, inventory forecasting, yearly cost reduction initiatives, and continuous improvement of quality systems.


• Manage excess and obsolete inventory costs while meeting business objectives. Resolve unclear packing slips, invoices and memorandums to insure prompt availability of material and timely payments to vendors.


• Other duties as assigned by management.

 About Our Group:

• As strategic partners, the Supply Chain team strives to ensure that our values, culture and engagement always allow us do great things for our company.


• We strive to provide the highest level service and support to our clients each and every day.


• We work collaboratively to build strong relationships with our clients, partners, and own team.


• We treat each other with respect……and always try to have a little fun every day!


• This position will be part of the Greenville based Supply Chain team that supports Proterra’s Manufacturing and Engineering operations in Los Angeles, CA


• You will report to the Site Sr. Materials Manager and collaborate with other Supply Chain team members located at our headquarters in Burlingame, CA and other manufacturing facility in Los Angeles, CA.  

About You:

• Self-starter with the proactive ability to adapt interpersonal styles and techniques to influence at all levels of the organization as well as external service providers and vendors.


• Customer-focused attitude, with high level of professionalism and discretion.


• Ability to maintain strict confidentiality, establish trust and credibility, and act with complete integrity.


• Detail-oriented, resourceful, diligent and works with little supervision.


• Strong time management, organizational skills and manages multiple priorities, tasks, objectives, plans, and complex work assignments.


• Sound judgment and problem-solving skills.


• Excellent communication skills.

Your Experience Includes:

• Bachelor’s Degree in Business or Engineering or equivalent experience


• Minimum 1-3 years’ experience


• Proficient in Microsoft office applications


• Strong knowledge of ERP systems (Oracle is a plus)


• Ability to apply knowledge of purchasing principles including but not limited to the following: research, analyze, negotiate and close various types of purchase efforts within the guidelines of good business and ethical practices.


• Report writing and system configuration management expertise.

You might also have:

• MBA or advanced degree


• Experience within a manufacturing environment

Location Los Angeles, CA

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

The contractor will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. 41 CFR 60-1.35(c)

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