Field Service Technician III — Generators & Oilfield Equipment

Kirby Corporation; San Antonio (TX); On-site; USD 34,000 - 55,000; Full time

Job summary

Stewart & Stevenson in San Antonio, TX is hiring a Field Service Technician III to diagnose and repair customer equipment at the job site, including mechanical, electrical, hydraulic, and pneumatic systems.

You will perform major repairs, coordinate parts, complete work orders, and support junior technicians while maintaining a safe, compliant work environment. This on-site role requires strong hands-on skills and customer-focused service.

Qualifications

• Dependable and trustworthy work ethic.
• Ability to manage time and meet deadlines.
• Written communication skills.
• Verbal communication with customers and team.
• Customer-focused approach following procedures.

Responsibilities

• Troubleshoot and diagnose issues on customer equipment.
• Identify and order parts for repairs and maintenance.
• Perform complex repairs and replacements.
• Conduct routine maintenance per guidelines.
• Complete work orders and time sheets accurately.
• Assist junior technicians as needed.
• Maintain a clean, safe work environment.
• Follow quality and safety procedures.
• Lead generator commissioning and load tests when required.

Skills

Dependable

Time management

Clear communication

Customer service

Job description

Stewart & Stevenson in San Antonio, TX is hiring a Field Service Technician III to diagnose and repair customer equipment at the job site, including mechanical, electrical, hydraulic, and pneumatic systems.

You will perform major repairs, coordinate parts, complete work orders, and support junior technicians while maintaining a safe, compliant work environment. This on-site role requires strong hands-on skills and customer-focused service.