Controls Engineer – Building Automation & Tridium Niagara

Controls Engineer – Building Automation & Tridium Niagara (Cincinnati, OH)

Comfort Systems USA Ohio is expanding our Building Automation & Controls Team in Cincinnati and seeks a talented, driven Controls Engineer with hands‑on Tridium Niagara experience to support smarter, more efficient building systems. The role focuses on commercial Building Automation Systems (BAS/DDC), HVAC controls, and Tridium Niagara N4. You will collaborate with project managers, field technicians, contractors, and customers throughout the project lifecycle.

• Configure and program Tridium Niagara N4 building automation systems, including points, alarms, trends, schedules, graphics, histories, and integrations.
• Develop and program Direct Digital Control (DDC) systems for commercial HVAC applications.
• Develop control strategies and interpret HVAC sequences of operation.
• Assist with system architecture, point lists, control drawings, wiring diagrams, and project submittals.
• Integrate HVAC equipment and third‑party building systems using BACnet, Modbus, and related communication protocols.
• Support BAS startup, commissioning, functional testing, troubleshooting, and system optimization.
• Work with commercial HVAC equipment such as RTUs, AHUs, VAVs, boilers, chillers, pumps, and related mechanical systems.
• Collaborate with project managers, field technicians, contractors, and customers throughout project execution.
• Provide technical troubleshooting support and assist customer or facility staff training.
• Maintain accurate project documentation, backups, as‑built drawings, programming records, and closeout materials.

• Approximately 1–3 years of hands‑on experience with Tridium Niagara, preferably Niagara N4.
• Hands‑on experience with commercial Building Automation Systems (BAS/DDC) and HVAC controls.
• Bachelor's or associate degree in engineering, engineering technology, or a related technical field, or equivalent directly relevant experience.
• Experience programming, configuring, commissioning, or troubleshooting BAS/DDC systems.
• Solid understanding of commercial HVAC systems and sequences of operation.
• Working knowledge of BACnet, Modbus, and building automation communication protocols.
• Strong technical problem‑solving, communication, and organizational skills.
• Experience with chilled‑water systems, boiler plants, central plant controls, or more complex HVAC sequences is a plus.
• Experience integrating lighting, security, access control, energy management, meters, or IP‑based building systems is a plus.
• Experience with AutoCAD, Visio, Eco Struxure, or other BAS platforms is a plus.
• Tridium Niagara N4 certification is preferred but not required.

• Competitive pay based on experience.
• Comprehensive benefits package, including medical, dental, vision, and 401(k) with company contribution.
• Paid time off and company holidays.
• Ongoing training and development in building automation systems, Niagara N4, HVAC controls, and integrated technologies.
• Opportunity to work on a wide variety of commercial and industrial facilities.
• Exposure to leading technologies from Schneider Electric and Tridium.