Back to jobs
New

Maintenance Engineer

Garden Grove, CA

About Harbinger

Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbinger’s best-in-class team of EV, battery, and drivetrain experts have pooled their deep experience to bring a first-of-its-kind EV platform to support the growing demand for medium-duty EVs and Hybrids. Harbinger: Familiar Form, Revolutionary Foundation.

Job Overview

We are seeking a highly skilled and hands-on Maintenance Engineer with strong expertise in automation, PLCs, electrical controls, mechanical systems, and high-volume production environments. The ideal candidate will ensure equipment reliability, performance, and uptime while driving continuous improvement across automated systems. This role requires advanced troubleshooting ability, strong engineering fundamentals, and excellent communication skills to support fast-paced production demands.

 

What You Will Do

  • Maintenance, Troubleshooting & Reliability
    • Perform advanced troubleshooting of automated manufacturing equipment, including PLC-based controls (Siemens & Allen-Bradley), HMI systems, electrical panels, vision systems, drives, robotics, pneumatics, and mechanical systems.
    • Diagnose and resolve issues in industrial networks such as Ethernet/IP, Profinet, Modbus, control Ethernet, switches, and distributed I/O.
    • Lead root cause analysis (RCA) of chronic equipment issues using 5 Whys, Ishikawa, Pareto, and structured problem-solving tools.
    • Implement corrective and preventive actions to increase reliability and reduce unplanned downtime.
  • Monitor and improve key maintenance metrics including:
    • MTTR (Mean Time to Repair)
    • MTBF (Mean Time Between Failures)
    • Downtime analysis and reduction
    • OEE (Overall Equipment Effectiveness)
  • Maintenance Strategy, CMMS & Documentation
    • Develop, optimize, and execute preventive and corrective maintenance plans for automated systems.
    • Use the CMMS to manage work orders, track failure history, assign tasks, and document activities.
    • Create detailed Work Instructions for technicians covering part replacements, calibrations, alignments, and troubleshooting tasks.
    • Manage and track spare parts inventory and budget, including lead times and critical spare identification.
  • Equipment Installation & Engineering
    • Support installation, integration, and startup of new production equipment including FAT/SAT, equipment commissioning, and multi-ton crane lifts.
    • Design, modify, and validate electrical control systems (low and high voltage), motor wiring, automation panels, and safety circuits.
    • Perform mechanical design work and improvements using CAD tools.
    • Lead continuous improvement projects that incorporate new technologies, automation upgrades, and process optimizations.
  • Automation & Programming
    • Program, debug, and modify PLC logic using Siemens TIA Portal and Allen-Bradley Studio 5000.
    • Develop or update HMI applications, including structured text, ladder logic, and function block sequences.
    • Configure and troubleshoot vision cameras, smart sensors, encoders, analog/digital I/O, and field devices.
  • Cross-Functional Collaboration
    • Work closely with production, quality, engineering, safety, and suppliers to quickly resolve equipment issues and meet production targets.
    • Coordinate with global equipment vendors (European, American, Chinese) including remote troubleshooting and service.
    • Prioritize tasks effectively in a high-pressure environment based on real-time production needs.
  • General Responsibilities
    • Perform hands-on sustaining work including cleaning, adjustments, mechanical repairs, calibrations, and system rebuilds.
    • Support mass production environments with high uptime expectations.
    • Ensure safety compliance, LOTO procedures, and adherence to electrical and equipment standards.

Who You Are

  • Bachelor’s degree in Electrical Engineering, Mechanical Engineering, Mechatronics, Automation, or equivalent.
  • 5+ years of experience in maintenance, equipment engineering, or automation in a high-volume manufacturing environment.
  • Strong knowledge in:
    • MTTR, MTBF, Downtime reduction, OEE analysis
    • Siemens & Allen-Bradley PLCs
    • HMI programming
    • Industrial networks (Ethernet/IP, Profinet, Modbus)
    • Electrical controls (high & low voltage)
    • Pneumatics, electromechanics, mechanical systems
    • Cameras and vision systems
    • Automation systems from International OEMs
  • Experience with dispensing systems, precision assemblies, robotic cells, or automated stations.
  • Experience in Lean Manufacturing, Kaizen, or Six Sigma methodologies.
  • Experience with heavy equipment installation, rigging, and multi-ton crane operations.
  • Knowledge of OEE optimization, data analytics, and reliability engineering tools.
  • Ability to work 2nd shift and rotate shifts as required.



Key Benefits & Perks:
  • Comprehensive Health, Dental & Vision (HDV) – 100% employee covered
  • Early-stage Stock Options
  • Robust Retirement Savings (401k, HSA, FSA)
  • Generous Paid Time Off (PTO) & Parental Leave
  • Annual Vacation Bonus
  • Wellness & Fertility Benefits
  • Cell Phone Stipend
  • Complimentary Meals & Stocked Kitchens

California Pay Range

$130,000 - $160,000 USD

Equal Opportunity
Harbinger is an equal opportunity employer and complies with all applicable federal, state, and local fair employment practices laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, ancestry, sex, sexual orientation, gender, gender expression, gender identity, genetic information or characteristics, physical or mental disability, marital/domestic partner status, age, military/veteran status, medical condition, or any other characteristic protected by law.
 
Harbinger is committed to ensuring that our hiring process is accessible for persons with disabilities. If you have a disability or limitation, such as those covered by the Americans with Disabilities Act, that requires accommodations to assist you in the search and application process, please email us at info@harbingermotors.com.
 
Candidate Data Privacy
Harbinger may collect, use and disclose your personal information or personal data (within the meaning of the applicable data protection laws) when you apply for employment and/or participate in our recruitment processes (“Candidate Personal Data”). This data includes contact, demographic, communications, educational, professional, employment, social media/website, network/device, recruiting system usage/interaction, security and preference information. Harbinger may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law.
 
Harbinger may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our HR, legal, and finance teams, and the team(s) with the position(s) for which you are applying; (ii) Harbinger affiliates; and (iii) Harbinger’s service providers, including providers of background checks, staffing services, and cloud services.
 
Harbinger may transfer or store internationally your Candidate Personal Data, including to or in the United States, Canada, the United Kingdom, and the European Union and in the cloud, and this data may be subject to the laws and accessible to the courts, law enforcement and national security authorities of such jurisdictions.
 
Please note that we are currently not accepting applications from third party application services. Any unsolicited resumes or candidate profiles submitted in response to our job posting shall be considered the property of Harbinger and are not subject to payment of referral or placement fees if any such candidate is later hired by Harbinger unless you have a signed written agreement in place with us which covers the applicable job posting.

 

Create a Job Alert

Interested in building your career at Harbinger Motors Inc.? Get future opportunities sent straight to your email.

Apply for this job

*

indicates a required field

Resume/CV*

Accepted file types: pdf, doc, docx, txt, rtf

Cover Letter

Accepted file types: pdf, doc, docx, txt, rtf

Education

Select...
Select...
Select...
Select...
Select...

Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey. Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiring process or thereafter. Any information that you do provide will be recorded and maintained in a confidential file.

As set forth in Harbinger Motors Inc.’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.

Select...
Select...
Race & Ethnicity Definitions

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection. As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measure the effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categories is as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.

Select...

Voluntary Self-Identification of Disability

Form CC-305
Page 1 of 1
OMB Control Number 1250-0005
Expires 04/30/2026

Why are you being asked to complete this form?

We are a federal contractor or subcontractor. The law requires us to provide equal employment opportunity to qualified people with disabilities. We have a goal of having at least 7% of our workers as people with disabilities. The law says we must measure our progress towards this goal. To do this, we must ask applicants and employees if they have a disability or have ever had one. People can become disabled, so we need to ask this question at least every five years.

Completing this form is voluntary, and we hope that you will choose to do so. Your answer is confidential. No one who makes hiring decisions will see it. Your decision to complete the form and your answer will not harm you in any way. If you want to learn more about the law or this form, visit the U.S. Department of Labor’s Office of Federal Contract Compliance Programs (OFCCP) website at www.dol.gov/ofccp.

How do you know if you have a disability?

A disability is a condition that substantially limits one or more of your “major life activities.” If you have or have ever had such a condition, you are a person with a disability. Disabilities include, but are not limited to:

  • Alcohol or other substance use disorder (not currently using drugs illegally)
  • Autoimmune disorder, for example, lupus, fibromyalgia, rheumatoid arthritis, HIV/AIDS
  • Blind or low vision
  • Cancer (past or present)
  • Cardiovascular or heart disease
  • Celiac disease
  • Cerebral palsy
  • Deaf or serious difficulty hearing
  • Diabetes
  • Disfigurement, for example, disfigurement caused by burns, wounds, accidents, or congenital disorders
  • Epilepsy or other seizure disorder
  • Gastrointestinal disorders, for example, Crohn's Disease, irritable bowel syndrome
  • Intellectual or developmental disability
  • Mental health conditions, for example, depression, bipolar disorder, anxiety disorder, schizophrenia, PTSD
  • Missing limbs or partially missing limbs
  • Mobility impairment, benefiting from the use of a wheelchair, scooter, walker, leg brace(s) and/or other supports
  • Nervous system condition, for example, migraine headaches, Parkinson’s disease, multiple sclerosis (MS)
  • Neurodivergence, for example, attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder, dyslexia, dyspraxia, other learning disabilities
  • Partial or complete paralysis (any cause)
  • Pulmonary or respiratory conditions, for example, tuberculosis, asthma, emphysema
  • Short stature (dwarfism)
  • Traumatic brain injury
Select...

PUBLIC BURDEN STATEMENT: According to the Paperwork Reduction Act of 1995 no persons are required to respond to a collection of information unless such collection displays a valid OMB control number. This survey should take about 5 minutes to complete.