Senior Maintenance Mechanic

Company:  TriMas Company LLC

Primary Location:  4250 Oasis Street, Mesa, AZ 85215 USA

Workplace Type: On-site

Employment Type: Hourly | Full-Time

Function:  Manufacturing Production / Distribution

Equal Opportunity Employer Minorities/Women/Veterans/Disabled

Main Duties & Responsibilities

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.

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.

 

Qualifications

Required Education and Experience

• 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.

Preferred Education and Experience

• 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.

KNOWLEDGE AND SKILLS

• 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.

Other Duties
Please note this job description is
not designed to cover or contain a comprehensive listing of activities, duties
or responsibilities that are required of the employee for this job. Duties,
responsibilities and activities may change at any time with or without notice.

 Compensation

In compliance with all states and cities requiring transparency of pay, the expected pay range for this position is $36.75 - $41.27.

Compensation can vary depending on several factors, including a candidate's qualifications, skills, experience, competencies, and geographic location.  Some roles may qualify for extra incentives like equity, commissions, or other variable performance-related bonuses.  Further details will be provided by our recruiting team during the interview process.

Benefits

Benefit offerings include Medical Insurance and Prescription Drugs, Dental Insurance, Vision Insurance, Flexible Spending Accounts, Life Insurance, Short-Term Disability, Long-Term Disability Insurance (for eligible employees), Employee Assistance Plan (EAP), Paid Time Off (may include vacation and sick time), Retirement Program, and Other Voluntary Benefits.

Click here for more information: www.trimasbenefits.com