Sales Engineer - Bilingual Mandarin & English

El Dorado National – California (ENC), a legacy bus builder turning the page toward the future, has started their bold new electric shuttle bus division. We are in the process of designing cutting-edge electric and hybrid Class 3–6 shuttle buses that will reshape public, commercial, and private fleet mobility. Our flagship model is the first in a new generation of clean, modular, tech-forward vehicles.

We're a collaborative team that wears multiple hats and building something special — and we're looking for a Bilingual Mandarin & English Sales Engineer who can help bridge the gap between product development and customer success.

This is a 100% onsite role based out of our Riverside, CA office.

What You'll Do

As our Sales Engineer, you'll become the technical backbone of our Sales & Marketing team. You'll collaborate with internal stakeholders, global design partners, and U.S.-based fleet buyers to ensure every vehicle configuration is practical, profitable, and production-ready.

You'll also represent the voice of the customer to engineering — and the voice of the product to sales.

In this role, you will

• Work alongside our sales, marketing and engineering teams on overseas design and engineering trips
• Translate customer feedback and sales input into engineering language.
• Track and review validation results for customer requested options and features
• Serve as a liaison between our sales, marketing, and engineering teams
• Support development and maintenance of our 3D configurator logic, spec sheets, and option sets
• Conduct feasibility reviews for custom specs, retrofits, and future product features
• Help refine our BOMs and track modular component changes from concept to quote
• Create TCO and Route Analysis for customers
• Support Sales Team on Sales calls and customer meetings
• Create technical diagrams, mockups, or spec clarifications for sales and marketing teams use
• Become a subject-matter expert on the flagship shuttle model, as well as additional sizes and classes in future product launches.
• Support development and refinement of our 3D configurator rules and smart logic.
• Assist sales reps with technical questions and advanced configurations.
• Track all off-menu requests, pricing adjustments, and lead time implications.
• Help implement the sales and marketing team designs into prototypes and help to maintain the aesthetic and functional vision from concept to prototype.
• Prepare for customer-facing sales engineering role once production begins.
• Support bid submissions, technical Q&As, and fleet customer walkthroughs.
• Develop modular spec sheets or tech brochures for specific industries (ADA transit, airport, campus, hotel).

Who You Are

Qualifications

Why Join ENC?

ElDorado National California Inc. (ENC) is an equal opportunity employer and considers all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, genetic information, or any other protected class under applicable federal, state, and local laws. We are committed to fostering a diverse and inclusive workplace where all employees feel valued and respected.

ENC takes affirmative action to employ and advance employment opportunities for minorities, women, protected veterans, and individuals with disabilities. We actively encourage qualified candidates from all backgrounds to apply and join our team.

ENC is also committed to ensuring that individuals with disabilities have equal access to opportunities. If you require a reasonable accommodation to complete the application process, please contact HR Department for assistance.

In accordance with California's wage transparency law (Senate Bill 1162), we are committed to pay equity and transparency. The salary range reflected on the job positing is our good faith estimate of what we expect to pay for this role at the time of posting. While we do not typically hire at the top of the salary range, initial offers are based on the candidate's qualifications and experience, with opportunities for growth and increases over time.

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