Harbinger · 4 hours ago
Maintenance Engineer
Garden Grove, CA
Contract
Onsite
Senior Level
$130K/yr - $160K/yr
5+ years expHarbinger is an American commercial electric vehicle company focused on innovation in the EV industry. They are seeking a highly skilled Maintenance Engineer to ensure equipment reliability and performance in a high-volume production environment while driving continuous improvement across automated systems.
AutomotiveElectric VehicleManufacturing
Responsibilities
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)
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
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
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
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
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
Qualification
Required
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
Ability to work 2nd shift and rotate shifts as required
Preferred
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
Benefits
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
Company
Harbinger
Harbinger is a commercial electric vehicle company that focuses on chassis architecture design.
201-500 employees
H1B Sponsorship
Harbinger has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (37)
2024 (24)
2023 (4)
Funding
Current Stage
Growth StageTotal Funding
$362.7MKey Investors
Greycroft
2025-11-13Series C· $160M
2025-01-14Series B· $100M
2024-05-21Series Unknown· $13M
Leadership Team
John Harris
CoFounder and CEO
Phillip Weicker
Co-Founder and Chief Technology Officer
Recent News
Sourcery
2025-11-21
Company data provided by crunchbase