Assistant Process Engineer

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.

Riverside, CA

$80,000 - $115,000

We are seeking an Assistant Production Engineer with extensive hands‑on experience in commercial vehicle manufacturing and production floor operations. This role supports the Process Engineer in preparing production documentation, inspecting components and assemblies, verifying new product quality and functionality, and maintaining a safe and organized prototype vehicle work area. The ideal candidate can interpret engineering drawings and electrical schematics, troubleshoot vehicle systems, and work closely with engineering and production teams to identify and resolve issues before installation.

• 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 that 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.
• Pay particular attention to wires and harnesses, verifying 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 report unsafe conditions promptly.
• Follow established shop safety procedures and support consistent housekeeping and 5S practices.

• 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…