Level 3 DDC Controls Technician

About the role

Ameresco, Inc. (NYSE: AMRC) is a leading energy infrastructure company delivering integrated solutions that provide reliable power and modernize infrastructure. Since 2000, we have served as a trusted partner to public and private sector customers across North America, the UK and Europe, delivering over $15 billion in solutions and contracting more than 5 GW of energy resources.

At Ameresco, we integrate energy resources and modernize the built environment through innovative infrastructure solutions that improve reliability, optimize performance, strengthen resilience, and support long-term sustainability. Join us in building the infrastructure that powers the future. Explore opportunities to make a meaningful impact while growing your career with a company at the forefront of energy innovation.

Ameresco is seeking a highly skilled and experienced Level 3 DDC (Direct Digital Control) Controls Technician to join our team around the Southwest Florida area. 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.

Responsibilities

• 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, LonWorks, 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, and punch lists.
• Participate in project meetings, coordination meetings, progress reviews, and customer meetings as required.
• Serve as a technical point of contact for customers, responding to technical questions, demonstrating system functionality, and helping resolve operational concerns.
• Assist project managers and sales personnel with technical evaluations, system enhancements, estimating support, and identification of future opportunities.
• Maintain awareness of current DDC, HVAC, networking, IoT, and building automation technologies and industry best practices.
• Ensure all work is performed in accordance with applicable codes, project specifications, company procedures, and safety requirements.

Minimum Qualifications

• Minimum 5+ years of hands-on experience with DDC controls, building automation systems, HVAC controls, or a related field.

Additional Qualifications

• Demonstrated ability to independently manage complex controls projects from installation through commissioning and closeout.
• Advanced programming experience with Reliable, Niagara, Tridium, or equivalent DDC/BAS platforms.
• Strong understanding of building automation protocols, including BACnet, Modbus, LonWorks, and IP-based communication systems.
• Experience integrating DDC systems with HVAC equipment and other building systems.
• Strong understanding of commercial HVAC systems, including AHUs, RTUs, VAV systems, chillers, boilers, pumps, cooling towers, and associated equipment.
• Proficiency reading and interpreting controls drawings, electrical schematics, mechanical plans, sequences of operation, and project specifications.
• Strong knowledge of low-voltage controls wiring, 24VAC systems, relays, transformers, sensors, actuators, and electrical troubleshooting.
• Working knowledge of electrical codes and safe electrical work practices.
• Ability to troubleshoot complex issues using appropriate diagnostic tools, software, meters, network tools, and system information.
• Strong understanding of control system networking, including BACnet MS/TP, BACnet/IP, Ethernet, and basic network troubleshooting.
• Ability to distinguish controls-related issues from mechanical, electrical, equipment, TAB, or networking deficiencies.
• Strong organizational and project management skills, with the ability to prioritize multiple projects and meet deadlines.
• Excellent communication skills and the ability to work effectively with customers, contractors, engineers, project managers, and internal teams.
• Demonstrated leadership ability and willingness to train, mentor, and support junior technicians.
• Valid driver's license and ability to travel to various project sites as required.
• High school diploma or equivalent required. Technical degree, trade certification, or bachelor's degree in electrical engineering, mechanical engineering, controls, or a related field is preferred. Equivalent hands-on experience will be considered.

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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.