Confirmed on the employer's own hiring board on Nov 11, 2026. First seen by Alion on Nov 11, 2026.
Join a manufacturing leader with over 50 years of excellence, where every role contributes to building reliable transportation solutions that people depend on everyday across the United States and Canada. At ENC, we prioritize safety, quality, innovation, collaboration, and continuous growth - creating vehicles our teams can take pride in.
Founded in 1975, ENC (ElDorado National - California) is a leading U.S. transportation manufacturer specializing in design, engineering, and end-to-end production of heavy-duty buses, shuttles, and cargo vehicles through a custom-build, mixed-model assembly process. Each vehicle is produced in our purpose-built facility in Riverside, California supporting public agencies and private transportation providers nationwide. We offer one of the industry’s widest portfolios of power options, including 100% battery-electric, diesel-electric hybrid, CNG, and clean diesel.
ENC is committed to revitalizing American manufacturing through innovation, customer focus, and the delivery of high-quality vehicles that keep communities connected, supported, and moving forward.
Engineer I, Powertrain
Location: Riverside, CA
Salary Range: $71,000.00 - $85,000.00
Position Summary
Responsible for assisting with the design, development, implementation, and analysis of powertrain & drivetrain components and systems of heavy-duty vehicles, specifically transit buses. Performs simple and routine engineering design tasks with standard techniques. Assists senior engineers in the preparation of plans, designs, and drawings. Works on projects/matters of limited complexity in a support role. Work is closely managed.
Key Responsibilities
This list of essential duties is not all-inclusive and may be expanded to include other duties, as management may deem necessary from time to time. The team member must be able to perform each essential job duty identified below satisfactorily. Reasonable accommodations may be made to enable qualified individuals with disabilities to perform the essential duties of this position unless doing so would create an undue hardship.
- Assists senior engineers with the design, development, implementation, and analysis of powertrain & drivetrain components and systems related to engines, transmissions, traction motors, batteries, shocks, air bags, pan hard rods, sway bars and various other powertrain & drivetrain components of heavy-duty vehicles (i.e. transit buses).
- Uses CAD (Computer Aided Design) software to aid in the development of the design of powertrain & drivetrain components to model new designs, and to produce detailed engineering drawings.
- Aids in fulfilling customer requirements (i.e. work orders) considering design specifications and applications.
- Execute engineering changes through established ECN (engineering change notice) processes and documentation.
- Supports the creation and review of material part specifications and BOM’s (bills of materials).
- Assists with delivering complete engineering packages emphasizing efficiency in the manufacturing process.
- Gain understanding of manufacturing processes with emphasis on metal fabrication and assemblies.
- Support the definition of test requirements and learn to interpret test results to validate designs.
- Owns small scale powertrain & drivetrain design projects and reviews.
- Gain familiarity of standards adhered to in the transit industry and applicable to powertrain & drivetrain (i.e. FMVSS & APTA White Book).
- Learn to identify problems, root causes and be able to define & execute resolutions.
- Gain understanding of lean principles as they apply to manufacturing and business processes.
Position Requirements
Bachelor's Degree of Engineering, Engineering Technology, or equivalent education required.
Typically requires 0-2 years of related experience.
CAD software experience (i.e. Autodesk Inventor, SolidWorks, Creo, or equivalent).
Working knowledge of GD&T and various manufacturing processes.
Interest in the research and development of powertrain & drivetrain components and systems of heavy-duty vehicles.
Skills in computer simulation, cost estimation, design optimization, design review, engineering analysis & design, feasibility study, mathematical analysis & modeling, prototyping, quality assurance process and reliability analysis.
Experience with statistical techniques and data analysis.
Strong communication and interpersonal skills with ability to work directly with hourly production employees and leadership concerning manufacturing initiatives and progress updates.
Strong work ethic, highly motivated, organized, and self-disciplined.
Versatile, flexible, and willing to work with changing priorities.
Self-motivated with the ability to stay on task.
Ability to effectively prioritize and execute concurrent assignments in a fast-paced environment.
Strong and consistent attention to detail.
Creative and innovative team player.
Ability to use sound judgment and make timely decisions.
Ability to work effectively both independently and in a team environment.
Solid PC skills with knowledge of Microsoft Office products including Excel, Word, Teams, and Outlook.
Ability to read and understand engineering drawings and layouts and other written or verbal instructions.
Capable of effectively presenting information in one-on-one and small group situations to other employees in the organization.
Work Environment
This is an onsite position based in Riverside, CA and requires being onsite.
Benefits
- Comprehensive benefits package: Medical (including FSA & HSA), dental, vision, life and disability insurance, EAP, mental health, and wellness programs
- 401(k) with employer match
- Paid time off and twelve (12) paid holidays
- Employee referral program
- Career growth and development opportunities
Career Growth at ENC
We believe great careers and leaders are built from within. Many of our team members have advanced into roles that lead or into specialized technical positions. We invest in hands-on training, skill development, and long-term career pathways within manufacturing operations.
Equal Opportunity Employer
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.

