Geothermal Site Technician

Geothermal Site Technician 

At Salas O’Brien we tell our clients that we’re engineered for impact—and that commitment applies just as much to our team as it does to our projects. We live our values every day: inspiring, achieving, and connecting as shared owners of our success, with a focus on building a sustainable future.

Building for the long term means our team members work on meaningful projects with a people-first approach to problem-solving. It also means limitless opportunities to grow your career while making a real difference—and you’ll receive great total rewards along the way.

Job Summary

The New York City office of Salas O’Brien is seeking a Field Technician to oversee the construction phase of geothermal projects. This role will require in some cases, to have frequent on-site presence to observe, log, and report on drilling, installation, and testing activities, ensuring compliance with project specifications and quality control procedures. The sites will be in the NJ/NY area.

The ideal candidate will have experience with HVAC, plumbing, and electrical systems, as well as a solid understanding of geothermal bore field construction processes. You will coordinate with design teams, contractors, and project managers to assist in resolving issues, maintain documentation, and ensure all contractual and technical requirements are met.

General Duties

• Oversee and manage the construction phase for geothermal projects.
• Conduct site visits weekly during a typical bore field installation phase.
• Observe and document the following activities:
• Borehole Drilling Depth verification, casing installation, grout tremie installation, grout batch tracking, pressure and flow testing, grout sampling.

• Water management Procedures: Observed and report on water management as are result of drilling activities.

• Lateral Piping Installation: Heat fusion procedures, sectional pressure testing, backfill/bedding practices, and final pressure readings.
• Manifold/Vault Installation: Installation verification, pre-backfill pressure tests, hydrostatic leak testing of the complete system.
• Flushing & Purging: Filtration setup, flushing and purging verification, water sampling, completion confirmation.
• Materials Verification: Confirm materials match approved submittals.
• Produce detailed observation reports and maintain a site visit logging tracker.
• Maintain contract records and ensure compliance with all terms and specifications.

Qualifications

• High school diploma or equivalent (associate or bachelor’s degree preferred).
• Minimum 5 years of experience in the architecture, engineering, or construction industry, with geothermal or M/E/P focus preferred.
• Certified Geothermal Inspector Certification or the ability to obtain the certification preferred.
• Strong working knowledge of geothermal heat exchanger installations, construction management, HVAC, and plumbing systems- Preferred 
• Familiarity with drilling equipment and types of drilling.
• Proficiency with MS Office (Word, Excel, Outlook, PowerPoint)
• Excellent organizational and communication skills.
• Ability to work independently and as part of a team, manage multiple tasks, and adapt to changing field conditions.
• Willingness to travel extensively (up to 90%).

Compensation & Benefits

Salary Range: $75K + based on experience 

We offer a comprehensive benefits package including:

• Medical, dental, vision, and basic life insurance.
• 401(k) with company percentage match and employee stock purchase plan.
• Generous PTO, paid holidays, parental leave, and military leave.
• Opportunities for merit increases, performance bonuses, and stock options.

About Us

Founded in 1975, Salas O’Brien is an employee-owned engineering and professional services firm dedicated to creating lasting solutions for today’s pressing challenges. We provide integrated engineering and consulting services across diverse industries, including clean energy, healthcare, data centers, education, and more. Our technical expertise is matched by a collaborative culture where everyone—from engineers to support staff—plays a role in delivering excellence.

Equal Opportunity Employer

Salas O’Brien provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state/provincial, or local laws. Salas O’Brien will accommodate the disability-related needs of applicants as required by law. 

Third-Party Agency Notice
Salas O’Brien does not accept unsolicited resumes from external recruiters or agencies. We only work with approved partners engaged directly by our Talent Acquisition team for specific searches. Unsolicited submissions will not be eligible for placement fees.