📍 Location: Columbia, MD and surrounding areas
👥 Team: Field Ops
💼 Type: Full-time (hourly; non-exempt)
📌 About the job
We are seeking a Master Mechanic to repair and maintain our fleet of heavy diesel equipment, including Atlas Copco air compressors (CAT engines), drill rigs (Deutz engines), and Bobcat excavators. This role will be responsible for diagnosing, repairing, and maintaining our fleet to ensure peak operational performance.
🛠️ Responsibilities
Inspect, test, and diagnose faulty operations and parts across heavy diesel equipment.
Perform routine and preventative maintenance inspections on all vehicles and machinery.
Diagnose and repair malfunctions in diesel engines, hydraulic systems, and other mechanical and electrical components.
Disassemble and reassemble heavy equipment and components as needed.
Perform regular maintenance checks, including fluid level inspections and part testing.
Interpret and work from technical manuals, diagnostic charts, and schematics.
Order necessary parts for repairs and maintenance activities.
Communicate with operators to diagnose problems and plan repair work.
Test repaired equipment to ensure full operational performance.
Input and maintain work orders, vehicle status updates, and completed repair logs in an online fleet management system (e.g., Fleetio, Samsara).
Use hydraulic jacks and hoists safely as part of repair operations.
Maintain tools and equipment in good working condition.
Follow all company safety procedures and maintain a clean and safe work environment.
✅ Must-haves
Diploma from a trade school or relevant technical certification.
Proven experience as a Heavy Equipment Mechanic.
Strong knowledge of Atlas Copco air compressors, CAT, John Deere, and Deutz diesel engines.
Solid understanding of mechanical, electrical, and hydraulic systems related to heavy equipment and trucks.
Ability to handle a variety of mechanical tools and operate heavy equipment safely.
Strong commitment to safety practices and accident prevention.
Ability to lift 50 lbs overhead and perform sustained physical labor in all weather conditions.
Valid driver's license with a safe driving record that meets company insurance requirements; CDL is a plus.
Personal vehicle and ability/willingness to drive to job sites within approximately 75 miles.
🌟 Bonus points for:
CDL A driver's license.
Experience working with drilling rigs.
Experience using torches and welding equipment for repairs and fabrication.
Familiarity with technology tools (computers, laptops, and iPads) and maintenance software platforms (e.g., Fleetio, Samsara).
🌼 About Dandelion
Dandelion Energy is transforming how homes are heated and cooled—starting from (below) the ground up. As the nation’s leading residential geothermal company, we design, install, and maintain all-in-one heating and cooling systems that are cleaner, quieter, more affordable, and up to 4× more efficient than traditional HVAC. Our focus is on large, enterprise deployments with major homebuilders, helping bring geothermal to more homes, faster.
Backed by Google Ventures (GV) and other top tech investors, our end-to-end geothermal solution is challenging the status quo in residential heating and cooling. We’re scaling strategically and intentionally to meet growing demand. Our mission is simple and bold: to make geothermal the default choice for heating and cooling in the U.S.
🌳 Why Dandelion
Dandelion Energy is at the forefront of the transition to clean, efficient home energy. Our team has delivered thousands of high-quality geothermal installations across the country, helped elevate geothermal heat pumps nationally, and played a meaningful role in advancing electrification-friendly policy at both the local and federal levels.
We’re a multidisciplinary, mission-driven team spanning hardware engineering, HVAC, drilling, solar finance, behavioral economics, and startup operations. Together, we’re building something complex, impactful, and designed to scale … work that directly shapes how homes are powered for decades to come.
At Dandelion, you’ll find a collaborative, fast-paced, and inclusive culture where curiosity, ownership, and cross-functional teamwork are core to how we operate. Our nationwide team is united by a shared commitment to sustainability and a belief that clean, affordable heating and cooling should be the standard.
We’re driving a wholesale shift in how homes are heated and cooled. Join us.
🎁 Benefits & Perks
Medical (including mental health), dental, vision, and pet insurance
401(k) plan
Commuter benefits
Generous paid sick leave, vacation, and parental leave
Learning & development support, including on-the-job training and virtual courses
Pet insurance
