Maintenance Mechanic - Senior Level 3
Full Time • Montebello, CA
Maintenance Mechanic: Level 3 (Senior)
Reports To: Engineer
Full-Time || 1st shift- 7:00am-3:30 pm
With Overtime Available and mandatory Saturday (6:00am-12:00pm) alternate weekends
Position Summary
The Level 3 Maintenance Mechanic is a highly skilled mechanical maintenance professional
responsible for troubleshooting, repair, and reliability of production and facility equipment. This
role works independently, leads complex maintenance activities, mentors junior mechanics, and
supports continuous improvement of maintenance practices.
Duties and Responsibilities
- Diagnose and repair complex mechanical failures on production and facility equipment, including gearboxes, pumps, conveyors, presses, hydraulic and pneumatic systems.
- Perform precision mechanical work such as shaft alignment, bearing installation, balancing, and tolerance-critical repairs.
- Lead major equipment overhauls, shutdown maintenance, and emergency repairs.
- Conduct root cause analysis on recurring equipment failures and implement corrective actions.
- Develop, revise, and improve preventive and predictive maintenance procedures.
- Mentor and train Level 1 and Level 2 mechanics; provide technical guidance and job oversight.
- Ensure all work complies with safety regulations, including lockout/tag out, confined space, and machine guarding requirements.
- Read and interpret mechanical drawings, schematics, manuals, and technical documentation.
- Coordinate with operations, engineering, and supervision to minimize downtime and improve equipment reliability.
- Accurately document work orders, repairs, and maintenance activities in the CMMS.
Qualifications
- High school diploma or GED required; technical or trade school training preferred.
- Minimum 5–8 years of industrial mechanical maintenance experience or equivalent combination of education and experience.
- Demonstrated expertise in mechanical systems, troubleshooting, and repair.
- Strong working knowledge of industrial safety practices and procedures.
Required Skills and Competencies
- Advanced mechanical troubleshooting and diagnostics
- Precision alignment and measurement techniques
- Hydraulic and pneumatic systems repair
- Welding and basic fabrication (as applicable)
- Use of precision measuring tools (micrometers)
- Strong problem-solving and decision-making skills
- Ability to work independently with minimal supervision
- Effective communication and mentoring abilities
Physical Requirements
- Ability to stand, walk, bend, climb, and work in industrial environments.
- Ability to lift up to 50 lbs. regularly.
- Ability to work in confined spaces, elevated areas, and varying environmental conditions.
- Machine shop environment - Exposure to moving machinery, noise, dust, heat, and varying temperatures.
- Will require overtime and Saturday availability.
Compensation: $26.00 - $32.00 per hour
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