Assistant Production Engineer

ElDorado National California Inc • Riverside, CA

3d • $80,000 - $115,000 • Onsite

About The Position

ENC is seeking an Assistant Production Engineer to support the Process Engineer with production documentation, component and assembly inspections, new-product quality and functional verification, and safe, organized prototype vehicle operations. The role requires hands-on experience in commercial vehicle manufacturing and production-floor work, along with the ability to interpret engineering drawings and electrical schematics, troubleshoot vehicle systems, and collaborate with engineering and production teams to resolve issues before installation.

The position supports creation and maintenance of production bills of materials, drawings, assembly instructions, and work instructions; inspection of in-house parts and wiring; functional checks and inspections of products and prototype vehicles; and troubleshooting during assembly and testing. It also helps maintain safe, clean, and organized prototype work areas and supports established safety and 5S practices.

This is an onsite position based in Riverside, California. The listed salary range is $80,000–$115,000. ENC describes opportunities for hands-on training, skill development, and career growth into leadership or specialized technical roles.

Requirements

• At least 10 years of hands-on production-floor experience, including at least 5 years of direct experience in commercial vehicle manufacturing.
• Ability to read and interpret 2D engineering drawings, navigate 3D models, and understand assembly requirements.
• Ability to read electrical schematics, wiring diagrams, harness drawings, and connector pinout information.
• Working understanding of programming concepts and vehicle control logic sufficient to support functional checks and troubleshooting.
• Practical experience troubleshooting vehicle electrical and mechanical systems.
• Experience inspecting fabricated parts, wiring, harnesses, and assemblies against drawings and specifications.
• Ability to use common inspection tools and electrical diagnostic equipment, including multimeters.
• Ability to prepare accurate BOMs, work instructions, inspection checklists, and technical records.
• Strong attention to detail, practical problem-solving skills, and clear communication with engineering and production personnel.
• Ability to work safely and effectively in a hands-on manufacturing and prototype development environment.

Nice To Haves

• Experience with commercial electric vehicles, vehicle electrical integration, and prototype builds.
• Familiarity with CAD viewers or CAD software and manufacturing BOM or ERP systems.
• Experience with engineering changes, revision control, root-cause analysis, and corrective actions.
• Familiarity with CAN bus diagnostics and vehicle diagnostic software.
• Technical training in manufacturing, automotive technology, electrical systems, or a related field.

Responsibilities

• Work with the Process Engineer to create and update production bills of materials (BOMs), production drawings, assembly instructions, and work instructions.
• Translate engineering requirements into clear, practical instructions for production personnel.
• Verify production documents reflect approved designs, component requirements, and assembly sequences.
• Identify drawing discrepancies and assembly concerns, and coordinate their resolution with engineering.
• Assist with inspecting in-house manufactured parts against approved drawings and specifications before installation.
• Inspect wires and harnesses for wire size, length, identification, connector selection, pin assignments, crimps, routing provisions, and workmanship.
• Perform continuity and other specified electrical checks using appropriate test equipment and approved procedures.
• Document discrepancies and support corrective actions to minimize wiring changes and rework after installation.
• Assist the Process Engineer with quality inspections and functional checks for newly developed products, components, and prototype vehicles.
• Prepare inspection checklists, test records, and inspection reports based on engineering requirements and approved acceptance criteria.
• Record results, identify nonconforming conditions, and track corrective actions through reinspection.
• Support troubleshooting of electrical, mechanical, and vehicle control system issues during assembly and testing.
• Assist production personnel in maintaining a safe, clean, and organized prototype vehicle development area.
• Support proper storage, labeling, and handling of tools, parts, wiring, and test equipment.
• Keep work areas and access routes clear, identify hazards, and promptly report unsafe conditions.
• Follow established shop safety procedures and support consistent housekeeping and 5S practices.

Benefits

• Comprehensive benefits package, including medical coverage with FSA and HSA, dental, vision, life and disability insurance, EAP, mental health, and wellness programs.
• 401(k) with employer match.
• Paid time off and twelve paid holidays.
• Employee referral program.
• Career growth and development opportunities.
• Hands-on training, skill development, and long-term career pathways within manufacturing operations.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed