Multiplex Jobs (NOW HIRING)

Field Service Engineer

If you're passionate about engineering, diagnostics, and solving real-world vehicle challenges, this role is for you. As a Field Service Engineer, you'll be at the forefront of technical problem-solving—partnering with engineering and service teams to enhance vehicle reliability, streamline service operations, and deliver exceptional support to technicians and customers alike.

Job Description

The Field Service Engineer provides advanced technical engineering support to the Service Department, resolving complex vehicle system issues and driving product and service improvements. This role serves as a key technical liaison between Engineering, Warranty, Production, and Field Service operations, ensuring accurate service documentation, effective troubleshooting support, and continuous enhancement of vehicle reliability and serviceability. The Field Service Engineer also contributes to the creation of technical training materials and service documentation, helping field technicians and customers address real-world challenges efficiently and safely.

Responsibilities

• Provide technical engineering support to field service technicians during complex troubleshooting and repair situations, stepping in on escalated issues when challenges extend beyond the field team’s capabilities.
• Assist with diagnosis and engineering evaluation of mechanical, electrical, multiplex, and high-voltage vehicle systems when elevated technical support is required.
• Technical Specialist on complex issues, collaborating to develop effective and practical solutions.
• Develop, revise, and support engineering drawings, schematics, layouts, brackets, and service-related design improvements that enhance vehicle reliability and serviceability.
• Lead and support root cause analysis activities, ensuring implementation of corrective actions related to recurring field concerns and warranty trends.
• Lead troubleshooting activities involving repeat failures, complex system-level issues, and unclear root causes, creating engineering solutions suitable for real-world application.
• Collaborate with Engineering, Quality, Warranty, Production, and Service teams to improve vehicle reliability, serviceability, and overall product support.
• Assist with the development and review of technical service bulletins, troubleshooting guides, repair procedures, and other service documentation to support field operations.
• Work collaboratively with the Field Service Trainer to develop technical training materials, presentations, manuals, videos, and customer support documentation.
• Participate in customer support visits, technical meetings, prototype reviews, and field campaigns as required to address technical concerns and gather field feedback.
• Support continuous improvement initiatives focused on reducing vehicle downtime and improving customer satisfaction through better service practices and product enhancements.
• Review field feedback and provide recommendations for product improvements and service enhancements based on real-world performance and reliability data.
• Maintain accurate technical documentation, engineering revisions, and support records to ensure traceability and consistency across service and engineering activities.
• Support special projects and other engineering-related service initiatives as assigned, contributing technical expertise and practical solutions.
• Apply strong troubleshooting skills to identify, analyze, and resolve issues across electrical, mechanical, multiplex, and high-voltage vehicle systems.

Essential Skills

• Bachelor’s degree in Mechanical Engineering, Electrical Engineering, Automotive Engineering, or a related field.
• Minimum of 3–5 years of experience in engineering, technical support, field service, heavy-duty vehicle, or a closely related industry.
• Proven experience supporting troubleshooting, product improvements, warranty support, root cause analysis, or serviceability initiatives.
• Strong mechanical and electrical troubleshooting skills, with the ability to diagnose complex system-level issues.
• Ability to read and interpret electrical schematics, wiring diagrams, engineering drawings, and technical documentation accurately.
• Knowledge of heavy-duty vehicle systems, including electrical, mechanical, HVAC, suspension, door, multiplex, and powertrain systems.
• Strong analytical and problem-solving abilities, with a structured approach to root cause analysis and corrective actions.
• Proficiency with Microsoft Office products for documentation, analysis, and communication.
• Effective verbal and written communication skills, with the ability to explain complex technical concepts clearly.
• Strong organizational skills with the ability to manage multiple projects and priorities simultaneously.
• Ability to work both independently and collaboratively across multiple departments and functional teams.
• Valid driver’s license.
• Ability to obtain and maintain any required certifications or training related to vehicle systems, high-voltage systems, or customer site access requirements.
• Ability to occasionally travel in support of customer visits, field activities, and technical meetings.

Additional Skills & Qualifications

• Experience within the heavy-duty vehicle, transit bus, commercial vehicle, or OEM manufacturing environment.
• Experience supporting field repairs, reliability improvements, or serviceability enhancement initiatives.
• Ability to develop practical engineering solutions that support field repairs and improve serviceability.
• Familiarity with CAN/J1939 diagnostics and vehicle communication networks.
• Familiarity with heavy-duty vehicle electrical and multiplex systems.
• Understanding of high-voltage and battery-electric vehicle systems.
• Familiarity with CAD or drafting software for supporting engineering drawings and layouts.

Work Environment

This role operates in a dynamic environment that bridges office-based engineering work with field-based service support. You will collaborate closely with Engineering, Quality, Warranty, Production, and Service teams, using standard office technologies such as Microsoft Office, engineering drawings, schematics, and diagnostic tools related to heavy-duty vehicle systems. The position may involve occasional travel to customer sites, field locations, and technical meetings to support troubleshooting, customer visits, prototype reviews, and field campaigns. Work may include time in service bays, shop areas, or on vehicles, requiring attention to safety procedures, particularly around high-voltage and battery-electric systems. The environment emphasizes cross-functional collaboration, continuous improvement, and customer-focused problem solving, offering opportunities to influence product reliability, serviceability, and overall customer satisfaction.

This is a Contract to Hire position based out of Riverside, CA.

The pay range for this position is $45.00 - $55.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

This is a fully onsite position in Riverside,CA.

This position is anticipated to close on Jul 15, 2026.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.