Senior Maintenance Mechanic

TriMas Corporation•Mesa, AZ

4d•$37 - $41•Onsite

About The Position

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.

Requirements

5–8+ years of maintenance experience in a manufacturing or industrial environment, preferably supporting CNC production equipment.
Strong troubleshooting and repair experience across mechanical, electrical, pneumatic, and hydraulic systems.
Ability to read and interpret technical documents, including equipment manuals, electrical schematics, and work instructions.
Strong understanding of mechanical, electrical, pneumatic, and hydraulic systems and their application in a manufacturing environment.
Advanced troubleshooting and diagnostic skills with the ability to identify root causes of equipment issues.
Proficiency with hand tools, power tools, and diagnostic equipment.
Ability to read and interpret technical documents, including schematics, manuals, and work instructions.
Working knowledge of CMMS systems and ability to maintain accurate and detailed maintenance records.
Strong communication skills with the ability to effectively coordinate with production and leadership.
Ability to prioritize tasks and manage multiple maintenance activities in a fast-paced production environment.
Ability to mentor and support the development of junior maintenance personnel.

Nice To Haves

Experience working in a CNC manufacturing environment, including Swiss lathes and related equipment.
Experience supporting automation systems such as bar feeders, conveyors, or robotics.
Proficiency using a computerized maintenance management system (CMMS) for work order tracking and documentation.
Experience performing root cause analysis and implementing corrective actions for equipment failures.
Familiarity with precision measuring instruments such as calipers and micrometers.
Experience in MIG welding is a plus.

Responsibilities

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.