Job Information
TriMas Corporation Senior Maintenance Mechanic in Mesa, Arizona
Summary/Objective
The Senior Maintenance Mechanic is responsible for maintaining and improving the reliability of CNC production equipment, including Swiss lathes and related systems, by performing advanced troubleshooting, repairs, and preventive maintenance. This role operates with a high level of independence, leads complex diagnostics across mechanical, electrical, pneumatic, and hydraulic systems, and ensures accurate work order documentation while supporting safe, efficient shop operations. This shift is for 1st (Friday through Sunday: 6:00am to 6:30pm).
Essential Functions
Under general direction with minimal supervision or review performs the following:
Perform preventive maintenance (PM) on CNC production equipment, including Swiss lathes and supporting systems, and ensure PM completion aligns with production and maintenance schedules.
Respond to equipment issues during production and independently diagnose, troubleshoot, and repair mechanical, electrical, pneumatic, and hydraulic systems.
Lead root cause analysis of equipment failures and implements corrective actions to reduce recurring downtime.
Create, update, and close work orders in the maintenance system, ensuring detailed and accurate documentation of work performed, parts used, downtime causes, and corrective actions.
Read and interpret equipment manuals, electrical schematics, and technical documents to perform advanced maintenance and repairs.
Support and guide junior maintenance personnel by providing technical direction and assistance in troubleshooting and repair activities.
Coordinate with production and leadership to prioritize maintenance activities based on equipment criticality and production impact.
Assist with equipment setup, adjustments, installations, and process improvements to support production efficiency.
Follow and enforce all safety procedures, including lockout/tagout (LOTO), and ensure equipment is in a safe condition prior to returning to service.
Maintain organization of tools, parts, and work areas, and support identification and management of critical spare parts and maintenance inventory.
Drive continuous improvement efforts by identifying trends in equipment performance and recommending process or maintenance improvements.
Experience in MIG welding is a plus.
Competencies
Communication Proficiency
Problem Solving/Analysis
Advanced Mechanical and Technical Aptitude
Attention to Detail
Safety Awareness and Compliance
Time Management and Task Prioritization
Teamwork and Collaboration
Leadership and Mentorship
Initiative and Accountability
Supervisor Responsibility
This position does not have direct supervisory responsibilities but is expected to provide technical guidance and mentorship to junior maintenance personnel and work collaboratively with production and leadership.
Physical Demands
The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of the job.
The employee is occasionally required to sit, climb or balance; and stoop, kneel, crouch or crawl. The employee must frequently lift and/or move up to 10 pounds and occasionally lift and/or move up to 25 pounds. Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception and ability to adjust focus.
WORK ENVIRONMENT
Environmental Surroundings-Work is performed in a CNC machine shop environment with exposure to high noise levels, moving mechanical equipment, temperature fluctuations, and metalworking processes. The role regularly involves working around production machinery including CNC machines, bar feeders, conveyors, coolant systems, and related equipment.
Unavoidable Hazards-Exposure to moving mechanical parts, sharp edges, hot surfaces, metal chips, metalworking fluids, and airborne particulates. Potential hazards include cuts, burns, strains, and pinch points. Appropriate personal protective equipment (PPE) such as safety glasses, hearing protection, and protective clothing is required.
Equipment / Process Responsibilities-Performs duties where improper maintenance or inattention may result in equipment damage, production downtime, or loss of productivity. Supports maintenance and upkeep of CNC machines and associated systems in accordance with established procedures.
Material or Product Responsibilities-Performs duties requiring attention to detail to ensure equipment is maintained in a condition that supports product quality and process reliability.
Safety Responsibilities- Maintains a clean and organized work area and follows all company safety policies and procedures, including proper use of PPE and adherence to lockout/tagout (LOTO) requirements.
EXPERIENCE
Position type/Expected Hours of Work
This is a full-time position. Hours of work may vary dependent on operational needs.
Travel
Travel is primarily local during the business day, although some out-of-the-area and overnight travel may be expected.