Piping & Excavation Foreman

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Location:

Rockville, MD (On-Site)

👥 Team: Field Ops

💼 Type:
Full-time (hourly; non-exempt)

Job Description

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About the Job

As the Piping & Excavation Foreman at Dandelion Energy, you’ll be both a technical expertand leaderfor our geothermal Ground Loop Commissioning (GLC) operations in Maryland.

You’ll work side by side with field crews to excavate trenches, fuse HDPE pipe, flush and fill ground loops, and commission systems — while also serving as thego-to technical and operational resource for the Denver, Colorado area. You’ll play a critical role in ensuring that projects are delivered safely, correctly, and efficiently, and that your teammates have the training, tools, and support they need to succeed.

This is aplayer-coach role: you’ll be on site most days working on live projects, while also taking responsibility for team performance, safety, and quality.

No geothermal experience? No problem. We’ll train this employee in-house on fusion, pressure testing, and commissioning, as well as cover their IGSHPA fusion certification.

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Responsibilities

• Act as the technical lead for all Ground Loop Commissioning activities in the Denver region, including trenching, piping, fusion, flushing/filling, and loop commissioning

• Interpret construction drawings
  , mark out trench routes, and ensure every system is installed to spec

• Work hands-on in the field to fuse HDPE pipe, mount valve assemblies, and perform system tests that guarantee performance and reliability

• Capture QA data and photos in Site Capture to maintain accurate, real-time project records

• Troubleshoot and resolve field issues quickly to keep jobs moving and teams productive

• Train and coach crew members
  , helping them build technical skill, confidence, and safety awareness

• Provide input to leadership on materials, crew planning, and process improvements to optimize field operations

• Model high standards for safety, quality, and teamwork every day on site

• Partner closely with Drilling, HVAC, and QA teams to ensure smooth handoffs and continuous improvement

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You Will Thrive in This Role If You:

• Love being in the field every day and leading by example

• Are a natural problem-solver and hands-on technical expert

• Take pride in delivering high-quality, safe, and efficient work

• Enjoy teaching, supporting, and elevating the people around you

• Are a clear, consistent communicator who can keep everyone on the same page

• Want to be part of a fast-growing, mission-driven company building the future of heating and cooling

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Must-Haves

• 3+ years of experience in field installation or construction — geothermal, plumbing, excavation, or mechanical systems preferred

• Ability to understand site drawings and apply them directly in the field

• Proven ability to lead and mentor field teams in a hands-on environment

• Experience operating heavy equipment (mini-excavators, skid steers, etc.)

• 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

• Ability to lift 50 lbs overhead and perform sustained physical labor in all weather conditions

• Positive attitude and readiness to learn new technical skills

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Bonus Points For:

• Strong technical expertise in HDPE piping systems, fusion, pressure testing, flushing/filling, and commissioning preferred

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.

Dandelion Energy is at the…