Senior HVAC Chiller Mechanic - Day Shift
Ameresco
Company Overview
Ameresco, Inc.
HeadquartersFramingham, MA, United States
Founded2000
SizeApproximately 1,500 employees (source: ir.ameresco.com). Revenue figures for 2023 or later are not detailed in available data.
What They Do
Ameresco has transitioned from a focus on energy efficiency and conservation to a comprehensive energy infrastructure solutions provider. Their offerings include upgrades to aging infrastructure, smart energy efficiency implementations, and the development, construction, and operation of distributed energy resources such as renewable energy plants. This product-neutral and supplier-independent approach allows them to effectively address both energy supply and demand (source: ameresco.com). Their core technology focus encompasses energy efficiency, infrastructure upgrades, asset sustainability, and renewable energy solutions, including solar photovoltaic operations and maintenance, biogas-to-energy plants, and more (source: ir.ameresco.com). Target markets for Ameresco include federal, state, and local governments, utilities, data centers, educational and healthcare institutions, housing authorities, and commercial/industrial customers across North America and Europe (source: members.naesco.org).
Projects & Track Record
Ameresco has a notable track record of energy-saving projects across various sectors, including government, healthcare, education, and commercial clients. One of their pioneering projects was the establishment of one of the first green biogas-to-energy power plants in Massachusetts in 2001. They currently manage over 150 megawatts of solar facilities, showcasing their capabilities in renewable energy (source: ir.ameresco.com). Ongoing major projects include the £1 billion Bristol City Leap Partnership in the UK, a city-wide decarbonization initiative that is projected to create over 1,000 local jobs and generate £61 million in social value within its first five years (source: ir.ameresco.com). Their geographic presence spans the US, Canada, the UK, and broader Europe, supported by over 50 offices (source: ameresco.com).
Recent Developments
In the last two years, Ameresco has focused on operational scaling rather than major new contracts or acquisitions explicitly dated post-2023. A December 2, 2025 company page update reaffirmed its NYSE:AMRC status and portfolio expansion into net-zero decarbonization (source: ameresco.com). Earlier acquisitions, such as Plug Smart, have integrated key staff into leadership roles, enhancing their Midwest presence and capabilities in smart building solutions (source: wbjournal.com). While no new mergers or funding rounds have been specified from 2024-2025, Ameresco has received historical recognitions, including rankings in the Boston Business Journal and Forbes 100 Best Small Companies (source: ir.ameresco.com).
Working There
Ameresco offers a variety of roles across different departments, including energy professionals, construction and operations, management, and marketing. Hiring occurs at their headquarters in Framingham, MA, as well as over 50 regional offices across North America and Europe (source: ir.ameresco.com). The company culture emphasizes C.A.R.I.N.G. values—Committed, Attitude, Nimble, Greatness—along with a focus on respect and integrity, prioritizing a people-first approach and customer satisfaction (source: ameresco.com). While specific benefits are not documented, the company highlights purpose-driven employment and professional development opportunities (source: ameresco.com).
Last updated on Feb 23, 2026 | Report an issue
Ameresco, Inc. (NYSE:AMRC) is a leading energy solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero in the global energy transition. We are a trusted, full-service partner to public sector and government entities, K-12 schools, higher education, utilities, and healthcare customers across the U.S., Canada, the U.K., and Europe.
At Ameresco, we show the way by developing, constructing and operating tailored smart energy efficiency solutions, distributed energy resources, and infrastructure upgrades that drive cost savings, resilience, decarbonization, and innovation. Our comprehensive portfolio is built to address the challenges of today and adapt the future, ensuring long-term sustainability and success for our customers.
Ameresco is currently seeking an experienced Senior HVAC Chiller Mechanic to join our Operations & Maintenance Team at the Naval Research Laboratory in Washington, DC.
Responsibilities
- Leads the install, maintain, test, and repair of chillers, HVAC systems, fan coil units, heat pumps, air handling units, related piping systems, control valves and controls, and all other related equipment.
- Troubleshoots, recharges, cleans, repairs, and checks all heat pump systems with the Ameresco Portfolio.
- Make necessary adjustments and calibration of related control devices.
- Perform HVAC-related preventive maintenance.
- Estimate time and materials needed on particular jobs, as required.
- Prepares and updates prints as necessary.
- Ensure compliance with company, industry, and regulatory safety standards and protocols.
- Perform other duties as required.
Minimal Qualifications
- High School Diploma.
- Trade or Vocational School education.
- 7 years of HVAC experience.
- Ability to review confidential US security information.
- Valid Driver's License in Good Standing
Additional Qualifications
- Excellent knowledge of operating and servicing entire building and support systems including HVAC, HHW, DDC, refrigeration, electric controls, and building safety equipment
- Journeyman's HVAC License.
- Ability to read and interpret system and equipment plans, specifications, operating manuals.
- Basic computer skills including e-mail and data entry using Microsoft Outlook, Word, & Excel.
- Ability to lift up to 50 lbs & transport equipment & tools in excess of 300 lbs.
- Strong verbal, written, computer communication and organization skills.
- Ability to frequently work from ladders, platforms, high places, and cramped spaces.
- May require flexibility for 'on call' support or varied schedule needs.
The anticipated hourly range for this role is $37.02-$53.61 per hour (presented in good faith). In addition to base pay, employees receive a comprehensive benefits package, such as health insurance, retirement plans, and paid time off, and may be eligible for performance incentives, bonuses, commissions, or equity, depending on the role. Actual pay will depend on factors such as internal equity, skills, experience, education, certifications, and location. This range supports our commitment to pay transparency and compliance with applicable laws. Compensation may vary by work location, including remote arrangements. We disclose salary ranges and benefits in all required external and internal postings and will provide further details upon request at any stage of the hiring process. Applications are accepted on a rolling basis until the position is filled.
Ameresco challenges the brightest, most talented, and creative individuals in the industry by providing an environment that fosters initiative and achievement. We are proud of our comprehensive and competitive employee benefits, including people-oriented insurance, investment, and incentive plans.
All official communications from Ameresco will originate from an @ameresco.com email address. Any correspondence from other domains should be regarded as fraudulent. Please report any suspicious activity to the platform where the issue was encountered. For further inquiries or concerns, please contact us at 1-866-AMERESCO
Ameresco is an Equal Opportunity Employer.
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Job expired?Please let Ameresco know you found this job on Rejobs. It helps us grow and get more people working in renewable energy.
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About the role
August 13, 2026
August 19, 2026
Full time
On-site
Company
US$37–53 hourly
- Washington, D.C., United States
7 years of HVAC experience
UTC-05:00