Harbinger

West Coast Sales Engineer

Garden Grove, CA

Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbinger's best-in-class team of EV, battery, and drivetrain experts have pooled their deep experience to bring a first-of-its-kind EV platform to support the growing demand for medium-duty EVs and Hybrids. Harbinger: Familiar Form, Revolutionary Foundation.

Role Overview

The Sales Engineer will serve as the technical-commercial bridge between our customers, dealers, sales teams, engineering, and external upfit partnersensuring 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 guidancehelping customers and dealers confidently select the right solution while ensuring feasibility, compliance, and scalability.

Key ResponsibilitiesCustomer & 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
• Recommend new standardized solutions based on market demand

QualificationsRequired

• 610+ years of experience in commercial vehicles, upfitting, body equipment, fleet solutions, or related fields
• 3+ years of systems engineering experience is a plus
• Capable of opening 3D files and viewing them
• Strong understanding of upfits such as box bodies, service bodies, refrigeration units, liftgates, cranes, racks, specialty equipment, etc.
• Experience working with dealers, OEMs, or fleet customers
• Ability to translate technical requirements into clear customer-facing guidance
• Strong project management and stakeholder coordination skills
• Excellent written and verbal communication
• Willingness to travel ~33%.

Preferred

• Experience in electric vehicles, alternative powertrains, or emerging mobility platforms
• Familiarity with vehicle integration, electrical systems, weight distribution, and load constraints
• Experience building standardized product or configuration frameworks
• Prior experience supporting enterprise or fleet customers

What Success Looks Like

• Customers receive the right upfit the first timereducing rework, delays, and confusion
• Dealers feel confident selling and configuring Harbinger vehicles
• Sales cycles shorten due to clearer guidance and standardized options
• Fewer engineering escalations due to well-defined compatibility rules
• A scalable upfit ecosystem that grows with Harbinger's volume

Key Benefits & Perks: Comprehensive Health, Dental & Vision (HDV) 100% employee covered Early-stage Stock Options Robust Retirement Savings (401k, HSA, FSA) Generous Paid Time Off (PTO) & Parental Leave Annual Vacation Bonus Wellness & Fertility Benefits Cell Phone Stipend Complimentary Meals & Stocked Kitchens

California Pay Range

$120,000 - $140,000 USD