Maintenance Engineer

Harbinger

330

Garden Grove, CA, United States

Posted on: 2025-12-04

Category: emobility

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Employment type:

Full time

Experience required:

Intermediate

Salary

Salary not provided

About the company:

Harbinger is a 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 support the growing demand for medium-duty EVs. Leveraging a foundation of proprietary, in-house developed vehicle technologies designed specifically for commercial vehicles, Harbinger is bringing a first-of-its-kind EV platform to market, priced for zero acquisition premium.
Harbinger: familiar form, revolutionary foundation.

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 [email protected].

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.

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