• Serve as the primary upfit subject-matter expert for customers and dealer partners • Consult with customers to understand use cases, duty cycles, and operational requirements • Recommend appropriate upfit solutions that align with Harbinger vehicle specs and performance parameters • Support sales teams with technical guidance during the sales process • Define and maintain approved upfit configurations, compatibility guidelines, and best practices • Build scalable frameworks for common customer applications (e.g., delivery, service bodies, refrigeration, utility, specialty builds) • Develop configuration rules, constraints, and documentation to guide quoting and ordering • Work closely with third-party upfitters, body manufacturers, and equipment vendors • Evaluate new upfit partners and solutions for compatibility and scalability • Support partner onboarding and training efforts • Partner with Engineering, Product, and Manufacturing to ensure upfit feasibility • Communicate customer-driven requirements back into product roadmaps • Support homologation, safety, and regulatory compliance where applicable • Build repeatable workflows for upfit selection, validation, and approval • Create internal and external documentation, playbooks, and enablement materials • Support development of digital tools for configuration, quoting, and order management • Track field feedback, warranty data, and customer satisfaction related to upfits • Identify gaps, inefficiencies, and opportunities for improvement • Recommend new standardized solutions based on market demand