Senior Facilities Maintenance Technician – Mechanical & Electrical

Apex Space & Defense Systems; Santa Ana (CA); On-site; USD 120,000 - 140,000; Full time

Job summary

Apex Space & Defense Systems in Santa Ana, CA is seeking a skilled Facilities Maintenance Technician III to maintain, repair, and upgrade facility systems, equipment, and utilities. The role involves hands-on work across mechanical, electrical, plumbing, HVAC, and shop machinery, with safety and reliability as top priorities.

The ideal candidate will troubleshoot complex issues on CNC and conventional machines, support installations, manage PM schedules, and coordinate with production teams on

Qualifications

• 5+ years in facility maintenance, ideally in aerospace manufacturing.
• Strong knowledge of mechanical, electrical, plumbing systems.
• Eligible to obtain and maintain a U.S. government security clearance.

Responsibilities

• Perform hands-on maintenance and repair of facility systems including plumbing, electrical, HVAC, compressed air, and vacuum.
• Install, modify, and lay out workstations, machinery foundations, and production cells.
• Troubleshoot mechanical and electrical issues and document root causes.
• Support equipment installations by coordinating utilities and alignment.
• Maintain doors, docks, windows, gates, and locks.
• Develop and manage preventive maintenance schedules for key systems.
• Manage spare parts, tools, and consumables for tasks.
• Perform painting, flooring, light carpentry, and general upkeep.
• Ensure OSHA compliance and maintain a safe workspace.
• Assist with inspections, contractor coordination, and small capital projects.
• Document maintenance activities and report concerns promptly.

Skills

Mechanical aptitude

Electrical systems

Plumbing systems

Troubleshooting

Reading blueprints

Safety compliance

Documentation

Maintenance scheduling

Tools

Hand tools

Power tools

Diagnostic equipment

Shop machinery

UPKEEP software

Job description

Apex Space & Defense Systems in Santa Ana, CA is seeking a skilled Facilities Maintenance Technician III to maintain, repair, and upgrade facility systems, equipment, and utilities. The role involves hands-on work across mechanical, electrical, plumbing, HVAC, and shop machinery, with safety and reliability as top priorities.

The ideal candidate will troubleshoot complex issues on CNC and conventional machines, support installations, manage PM schedules, and coordinate with production teams on