Sr Repair Maintenance Technician

CrossFire Group; Oceanside (CA); On-site; USD 39,000 - 52,000; Full time

Job summary

CrossFire Group in Oceanside is seeking a Senior Maintenance Technician to troubleshoot, repair, and improve industrial manufacturing equipment on a first shift with variable hours (6 AM–2:30 PM or 5 AM–1:30 PM). The role focuses on maximizing uptime, mentoring juniors, and supporting CNC systems.

The ideal candidate has 5+ years of maintenance experience, strong mechanical/electrical skills, and a solid safety mindset, including Lockout/Tagout. Strong communication and teamwork are essential.

Qualifications

• Five+ years of industrial maintenance experience in manufacturing.
• Ability to read electrical schematics and mechanical drawings.
• Experience troubleshooting CNC machinery and automated equipment.
• Strong mechanical, electrical, pneumatic, and hydraulic troubleshooting.
• Lockout/Tagout safety knowledge.
• Excellent communication and problem-solving skills.

Responsibilities

• Perform complex troubleshooting, repair, and preventive maintenance on industrial equipment.
• Diagnose mechanical, electrical, pneumatic, hydraulic, and control system failures.
• Read electrical schematics, drawings, blueprints, and manuals.
• Troubleshoot CNC machinery and automated production equipment.
• Maintain maintenance documentation and work orders in CMMS.
• Mentor junior maintenance technicians and collaborate with teams.

Skills

Troubleshooting

CNC troubleshooting

Schematics reading

Electrical knowledge

Mechanical knowledge

Mentoring

Safety training

Education

High school diploma or GED

Tools

CMMS

CMMS software

Electrical diagnostic tools

Job description

Senior Maintenance Technician - Oceanside/LaCantina1st shift operation - Shift can vary with 6 AM to 2:30 PM or 5 AM to 1:30 PM

Pay Rate: $32.73 per hour

Position Summary

Under the direction of the Maintenance Manager, the Senior Maintenance Technician is responsible for troubleshooting, repairing, maintaining, and improving industrial manufacturing equipment to maximize uptime and production efficiency. This position requires an experienced, self-motivated technician who can independently diagnose complex mechanical and electrical issues, support CNC equipment, and mentor less-experienced technicians.

Key Responsibilities

• Perform complex troubleshooting, repair, and preventive maintenance on industrial manufacturing equipment.
• Diagnose mechanical, electrical, pneumatic, hydraulic, and control system failures to minimize equipment downtime.
• Read and interpret electrical schematics, mechanical drawings, blueprints, and technical manuals.
• Troubleshoot and repair CNC machinery, automated production equipment, and related manufacturing systems.
• Modify, edit, and troubleshoot CNC machine programs as needed to support production and equipment reliability.
• Install, align, relocate, and commission production equipment.
• Perform machine calibrations and precision mechanical adjustments.
• Utilize electrical diagnostic equipment, multimeters, and specialized tools to identify equipment failures.
• Communicate directly with equipment manufacturers and vendors to troubleshoot complex issues.
• Identify recurring equipment problems and implement permanent corrective actions through root cause analysis.
• Maintain accurate maintenance documentation and work orders within the CMMS system.
• Partner with Production, Engineering, and Quality teams to improve equipment reliability and manufacturing efficiency.
• Maintain a safe work environment while following OSHA regulations and company safety procedures.
• Mentor and provide technical guidance to junior maintenance technicians.

Required Qualifications

• High school diploma or GED required; technical school or industrial maintenance certification preferred.
• Five or more years of industrial maintenance experience in a manufacturing environment.
• Strong troubleshooting skills involving mechanical, electrical, pneumatic, and hydraulic systems.
• Ability to independently diagnose unfamiliar equipment using schematics, manuals, vendor resources, and logical troubleshooting techniques with minimal supervision.
• Experience reading electrical schematics and technical drawings.
• Experience troubleshooting CNC machinery and automated manufacturing equipment.
• Strong understanding of industrial safety practices including Lockout/Tagout.
• Excellent communication and problem-solving skills.
• Ability to prioritize multiple equipment failures in a fast-paced manufacturing environment.

Preferred Qualifications

• CNC programming and editing experience.
• PLC troubleshooting experience.
• Fabricate, machine, weld, and assemble parts, fixtures, and tooling to support manufacturing operations.
• Ability to read and interpret ladder logic.
• Experience with servo drives and variable frequency drives (VFDs).
• Experience using a Computerized Maintenance Management System (CMMS).
• Root Cause Analysis (RCA) experience.
• Lean Manufacturing and/or Total Productive Maintenance (TPM) experience.
• Experience mentoring or leading maintenance technicians.

Physical Requirements

Ability to stand, walk, bend, kneel, climb, and work in varying environmental conditions. Ability to lift and carry up to 50 pounds. Ability to work in confined spaces and at elevated heights when necessary.

What Success Looks Like

The successful candidate is a highly skilled, self-directed maintenance professional who takes ownership of equipment reliability, approaches problems with a logical troubleshooting process, collaborates effectively across departments, and helps develop the technical capabilities of the maintenance team. This individual is comfortable working independently, solving complex equipment issues, and continuously improving manufacturing operations.