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Sustainment Parts and Service Manager - GM Defense

Remote, USA Full-time Posted 2026-06-17

This role is based remotely but if you live within a 50-mile radius of [Atlanta, Austin, Detroit, Warren, Pontiac, or Milford], you are expected to report to that location three times a week, at minimum.

The Role GM Defense (GMD) is a dynamic and exciting growth opportunity within General Motors! Within GMD, the Integrated Product Support (IPS) organization is responsible for providing aftermarket support to our defense industry customers to ensure customer satisfaction and business growth. As part of the IPS organization, the Sustainment Parts and Service Operations team owns execution of business processes in support of parts order fulfillment and service for GMD customers. The Sustainment Parts and Service Manager plays a key role in defining the aftermarket parts and service strategy/operations and optimizing execution.

This role is responsible for leading all activities related to aftersales parts order fulfillment and service execution, both in and out of warranty, leveraging GM’s network of dealers as well as Field Service Representatives (FSRs). The Sustainment Parts and Service Manager will define the go-to-market strategy for key defense customers to include pricing, order fulfillment, warranty and non-warranty service.

What You’ll Do

This position will be responsible for leading a team in support of GM Defense’s activity related to all deliverables listed above. This role is customer facing with a significant amount of cross functional interface. This position is also responsible to help shape future GM Defense opportunities as it relates to how we support our customer base both here in the US and Globally.

  • Lead operational activities related to fulfilling parts sales opportunities and warranty
  • Develop and implement future operational strategies that leverage new and existing system capabilities and workflows
  • Support development of pricing and fulfillment strategies for parts sales to external customers
  • Support development of IT systems to enable efficient operational and financial workflows
  • Deep understanding of financial details of operations, sales, and profitability
  • Development of efficient cross-functional workflow to streamline bid responses
  • Build / maintain partnerships internally and externally
  • Work with Program Management team to find the most efficient and effective method to support the program’s deliverables related to Service Engineering objectives
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