Job Overview You will keep TerraFirma's fleet of commercial earthworks equipment such as

CAT D6/D8

dozers and CAT 336 excavators running and ready, wherever it's needed. This is a hands-on, self-sufficient role: you'll handle everything from routine maintenance and fueling to real mechanical troubleshooting in the field and at the shop. As our equipment increasingly combines traditional mechanical systems with the sensors, controllers, and hardware that enable semi-autonomous operation, you'll be the person who keeps all of it functioning, on-site, on short notice. Responsibilities Diagnose, repair, and maintain commercial earthworks equipment such as

CAT D6/D8

dozers, CAT 336 excavators, and similar heavy civil equipment, both in the shop and on active job sites Perform routine maintenance including greasing, fluid checks, and scheduled service across the fleet Fuel equipment on active job sites, including towing and managing a diesel fuel trailer to top off machines during idle periods or between operations Provide basic maintenance and troubleshooting support for the sensors, wiring, and hardware kits that enable TerraFirma's semi-autonomous equipment Track equipment condition, maintenance history, and parts inventory to keep the fleet running reliably Respond quickly and be consistently available to minimize equipment downtime and keep field operations moving Coordinate with operators and field teams to identify issues early and prioritize repairs Basic Qualifications Proven hands-on experience diagnosing and repairing commercial earthworks equipment such as CAT dozers, excavators, graders, or similar Comfortable performing both scheduled maintenance and unplanned field repairs independently Strong working knowledge of diesel engines, hydraulic systems, and heavy equipment electrical systems Ability to work independently with minimal supervision and prioritize competing maintenance needs Preferred Skills & Experience Experience maintaining or troubleshooting electronic control systems, sensors, or wiring harnesses on modern equipment ASE or other relevant heavy equipment/diesel mechanic certifications Experience running a mobile or field-service maintenance operation, including towing and managing a fuel trailer Comfortable picking up new technical skills quickly, including basic electronics or sensor-kit troubleshooting Experience in a fast-growing or startup environment Additional Requirements Comfortable working in a fast-paced startup environment Must be available for on-call or short-notice response to minimize equipment downtime Must be willing to relocate to Austin, TX if not within commuting distance Must be willing to work extended hours or weekends when needed to support critical field operations

Pay:

$23.00 - $55.00 per hour

Benefits:

401(k) Dental insurance Health insurance Life insurance Paid time off Parental leave Referral program Retirement plan Tuition reimbursement Vision insurance

Work Location:

In person