East Coast Sales Engineer

Role Overview

The Sales Engineer will serve as the technical-commercial bridge between our customers, dealers, sales teams, engineering, and external upfit partners—ensuring every vehicle is delivered with the right body, equipment, and configuration based on Harbinger’s specifications and customer needs.

This person will be the internal expert on upfit compatibility, application mapping, and configuration guidance—helping customers and dealers confidently select the right solution while ensuring feasibility, compliance, and scalability.

This person will work remote out of their home 66% of the time and travel the other 33% of the time. The travel includes visiting dealers and final stage upfitters to answer the technical integration questions that arise during sales meetings. The Eastern Regional Sales Engineer shall be able to work until 6pm EST in order to collaborate with the team operating out of Harbinger’s headquarters in southern California.

Key Responsibilities

Customer & Dealer Enablement

• 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 which includes providing technical guidance on how to power their hotel loads.
• Support sales teams with technical guidance during the sales process
• Provide battery integration guidance for upfits that wish to install the Harbinger stand alone battery pack.

Upfit Strategy & Standards

• 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

Partner & Vendor Collaboration

• 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

Cross-Functional Collaboration

• 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

Process & Tools Development

• 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

Continuous Improvement

• Track field feedback, warranty data, and customer satisfaction related to upfits
• Identify gaps, inefficiencies, and opportunities for improvement