Level 3 DDC Controls Technician

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 seeking a highly skilled and experienced Level 3 DDC (Direct Digital Control) Controls Technician to join our team. This position is responsible for independently leading and executing complex commercial building automation projects from installation through programming, startup, commissioning, troubleshooting, and closeout. The Level 3 Controls Technician serves as a senior technical resource for the Controls Team, providing field leadership, mentoring junior technicians, coordinating with other trades, and working directly with customers and project stakeholders.

This individual must possess a strong understanding of DDC systems, HVAC equipment, electrical systems, networking, and building automation protocols, with the ability to identify and resolve complex system issues.

• Independently lead and execute DDC control system installation, programming, startup, commissioning, troubleshooting, and closeout for complex commercial projects.
• Interpret project drawings, specifications, sequences of operation, and control submittals to develop and implement functional control solutions.
• Program and configure DDC controllers, supervisory devices, graphics, and peripheral equipment using platforms such as Reliable, Niagara, Tridium, or equivalent.
• Develop and implement control logic and sequences that support system reliability, energy efficiency, occupant comfort, and proper equipment operation.
• Perform point‑to‑point checkout, functional testing, system startup, commissioning and performance verification.
• Troubleshoot complex controls issues involving controllers, sensors, actuators, valves, relays, networks, communication protocols, and equipment interfaces.
• Identify whether system deficiencies are related to controls, mechanical equipment, electrical systems, networking, TAB, startup, or other trades, and coordinate appropriate corrective action.
• Troubleshoot and support BACnet, Modbus, Lon Works and other building automation communication networks, including both MS/TP and IP‑based systems.
• Coordinate directly with mechanical contractors, electricians, TAB contractors, equipment manufacturers, IT personnel, commissioning agents, project managers, engineers, and customers.
• Review control drawings, wiring diagrams, sequences, specifications, and equipment documentation for accuracy and constructability.
• Provide field direction and technical guidance to Level 1 and Level 2 Controls Technicians.
• Train and mentor junior technicians in controls installation, wiring, programming, troubleshooting, commissioning and industry best practices.
• Assist with system upgrades, retrofits, expansions, integrations, and service‑related projects.
• Perform field inspections to verify installation quality, wiring, device locations, panel construction and compliance with project requirements.
• Maintain accurate project documentation, including point lists, commissioning records, as‑built information, startup documentation…