Senior Mechanic Tech I

Caterpillar Brazil; Green Valley (AZ); Hybrid; USD 34,000 - 51,000; Full time

Benefits offered by this job

Medical, dental, and vision benefits

Paid time off

401(k) savings plans

Health Savings Account (HSA)

Flexible Spending Accounts (FSAs)

Career Development

Incentive bonus

Disability benefits

Life Insurance

Parental leave

Tuition Reimbursement

Job summary

Caterpillar Inc. is seeking a Senior Mechanic Tech I at the Tucson Proving Ground in Green Valley, AZ. You will diagnose, repair, and validate heavy equipment across mining and construction programs, coordinating with engineering and field teams to ensure safe, reliable performance.

Your role emphasizes advanced diagnostics, hands-on repairs, and technical mentoring of junior staff while supporting safety and continuous improvement initiatives.

Qualifications

• Demonstrated ability to diagnose and repair complex mechanical systems on heavy equipment.
• Strong understanding of Caterpillar equipment and service procedures.
• Excellent problem solving and communication with engineers and field teams.

Responsibilities

• Perform complex assembly, disassembly, repair, modification, and overhaul of Caterpillar mining and construction equipment.
• Diagnose and troubleshoot mechanical, hydraulic, powertrain, electrical, electronic, and structural system issues.
• Read and interpret engineering drawings, schematics, service manuals, and work orders.

Skills

Advanced Mechanical Diagnostics

Technical Expertise

Root Cause Analysis

Equipment Operation

Leadership & Mentoring

Communication Skills

Job description

Career Area: Operations Job Description: Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you're joining a global team who cares not just about the work we do - but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here - we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it. We are seeking a highly skilled Senior Mechanic Tech I to perform complex diagnostics, repairs, modifications, assembly, and evaluation of Caterpillar mining and construction equipment in support of Buckets & Blades, Off Highway Trucks (OHT) and Large Mining Truck (LMT) programs.

The successful candidate will diagnose and repair complex machine systems including engines, powertrain, hydraulic, electrical, electronic, and structural systems while supporting product development, machine validation, field investigations, and continuous improvement initiatives. This role requires strong technical judgment, effective communication skills, and the ability to provide guidance and training to less experienced technicians.

What You Will Do:

Advanced Diagnostics & Repair

• Perform complex assembly, disassembly, repair, modification, and overhaul of Caterpillar mining and construction equipment.
• Diagnose and troubleshoot mechanical, hydraulic, powertrain, electrical, electronic, and structural system issues.
• Conduct root cause analysis and determine appropriate corrective actions for equipment failures.
• Read and interpret engineering drawings, schematics, service manuals, technical documentation, and work orders.
• Evaluate equipment safety, serviceability, reliability, and reparability.

Equipment Support & Machine Operations

• Operate construction, mining, and support equipment safely and effectively.
• Support machine builds, engineering updates, product improvements, and technical modifications.
• Prepare, maintain, and repair machines to ensure readiness for testing and field evaluations.
• Support field investigations and machine inspections as required.

Testing & Product Validation

• Support machine validation, durability testing, and engineering evaluation activities.
• Assist with machine instrumentation, data collection systems, and test support activities.
• Identify machine performance concerns and communicate findings to engineering teams.
• Verify repairs and modifications through functional testing and machine evaluations.

Leadership & Technical Support

• Work independently with minimal supervision while maintaining high standards of quality and safety.
• Mentor and train mechanics, technicians, operators, and visitors on repair procedures, diagnostics, and safe work practices.
• Communicate technical information through verbal discussions and written reports.
• Support cross-functional teams in identifying and implementing product improvements.

Safety & Continuous Improvement

• Promote and maintain Caterpillar's safety culture at all times.
• Follow established safety procedures, standards, and operating practices.
• Participate in initiatives that improve safety, quality, efficiency, reliability, and customer satisfaction.
• Effectively perform as both a team member and team leader depending on project needs.

What Skills You Will Have:

• Advanced Mechanical Diagnostics: Demonstrated ability to diagnose and repair complex engine, hydraulics, powertrain, electrical, electronic, and structural systems on heavy equipment.
• Technical Expertise: Strong understanding of construction and mining equipment systems, service procedures, schematics, engineering drawings, and service literature.
• Problem Solving & Root Cause Analysis: Ability to investigate equipment failures, analyze technical issues, and implement effective corrective actions.
• Equipment Operation: Experience safely operating construction, mining, and support equipment.
• Leadership & Mentoring: Ability to provide technical guidance and training to other mechanics and technicians.
• Communication: Strong verbal and written communication skills with the ability to effectively communicate technical information to engineers, customers, visitors, and team members.

Top Candidates Will Have:

• Extensive experience repairing and diagnosing Caterpillar mining and construction equipment.
• Advanced troubleshooting experience with engines, hydraulics, powertrain, electrical, and electronic systems.
• Experience supporting Buckets & Blades, Large Mining Trucks (LMT), or similar heavy mining equipment.
• Experience performing root cause failure analysis and machine evaluations.
• Experience reading and interpreting engineering drawings, hydraulic schematics, and electrical diagrams.
• Prior Caterpillar dealer, proving ground, product support, field service, or mining industry experience.
• Experience mentoring and training technicians and mechanics.

Additional Information:

Primary Location: Tucson Proving Ground - Green Valley, AZ (on-site full-time) Relocation: Not available Travel: Up to 10% (including field support activities) Visa Sponsorship: Not available Posting Date: 08/26/2026 - 09/09/2026

Summary Pay Range: $24.75 - $37.15 Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-related knowledge, skills, individual performance and experience. Please note that salary is only one component of total compensation at Caterpillar.

Benefits:

• Medical, dental, and vision benefits*
• Paid time off plan (Vacation, Holidays, Volunteer, etc.)*
• 401(k) savings plans*
• Health Savings Account (HSA)*
• Flexible Spending Accounts (FSAs)*
• Health Lifestyle Programs*
• Employee Assistance Program*
• Voluntary Benefits and Employee Discounts*
• Career Development*
• Incentive bonus*
• Disability benefits Life Insurance*
• Parental leave*
• Adoption benefits*
• Tuition Reimbursement*

These benefits also apply to part-time employees

Posting Dates: Any offer of employment is conditioned upon the successful completion of a drug screen.

Caterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities. Qualified applicants of any age are encouraged to apply.

There’s more to work at Caterpillar than just the work itself. We hire smart, friendly people and it shows in our culture. We hold ourselves to high standards and make sure our values of integrity, excellence, teamwork, commitment and sustainability come to life in the way we work. We make sure our employees feel continuously challenged while also supported. We provide professional growth opportunities, including leadership programs. We celebrate the diversity of our team, while also working together as one Caterpillar. Our culture, like everything at our company, is made possible by each employee’s contribution. Person by person, we create the environment we work in, and we are proud of the Caterpillar we’ve built.