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West Coast Sales Engineer

Harbinger Motors

Job Location:

Garden Grove, CA - USA

Monthly Salary: $ 120000 - 140000

Posted: 27 July 2026 (30+ days ago)

Application Deadline: 29 October 2026

Vacancies: 1 Vacancy

Job Summary

About Harbinger

Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbingers 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 Harbingers 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 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
Recommend new standardized solutions based on market demand

Qualifications

Required

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 Harbingers 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

$120000 - $140000 USD

Equal Opportunity

Harbinger is an equal opportunity employer and complies with all applicable federal state and local fair employment practices laws. All qualified applicants will receive consideration for employment without regard to race color religion national origin ancestry sex sexual orientation gender gender expression gender identity genetic information or characteristics physical or mental disability marital/domestic partner status age military/veteran status medical condition or any other characteristic protected by law.

Harbinger is committed to ensuring that our hiring process is accessible for persons with disabilities. If you have a disability or limitation such as those covered by the Americans with Disabilities Act that requires accommodations to assist you in the search and application process please email us at

Candidate Data Privacy

Harbinger may collect use and disclose your personal information or personal data (within the meaning of the applicable data protection laws) when you apply for employment and/or participate in our recruitment processes (Candidate Personal Data). This data includes contact demographic communications educational professional employment social media/website network/device recruiting system usage/interaction security and preference information. Harbinger may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out analyzing and improving our application and recruitment process including assessing you and your application and conducting employment background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law.

Harbinger may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties including individuals on our HR legal and finance teams and the team(s) with the position(s) for which you are applying; (ii) Harbinger affiliates; and (iii) Harbingers service providers including providers of background checks staffing services and cloud services.

Harbinger may transfer or store internationally your Candidate Personal Data including to or in the United States Canada the United Kingdom and the European Union and in the cloud and this data may be subject to the laws and accessible to the courts law enforcement and national security authorities of such jurisdictions.

Please note that we are currently not accepting applications from third party application services. Any unsolicited resumes or candidate profiles submitted in response to our job posting shall be considered the property of Harbinger and are not subject to payment of referral or placement fees if any such candidate is later hired by Harbinger unless you have a signed written agreement in place with us which covers the applicable job posting.

Required Experience:

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