BAS Controls Engineer – Cincinnati (HVAC, Niagara)

Comfort Systems USA; Cincinnati (OH); On-site; USD 85,000 - 115,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Vision coverage

401(k) with company contribution

Paid time off

Holidays

Ongoing technical training

Professional development

Career growth opportunities

Performance-based incentives

Job summary

Comfort Systems USA Ohio is seeking a Building Automation Controls Engineer to support commercial BAS, HVAC controls, DDC programming, system integration, and commissioning projects across the Cincinnati region. This role focuses on commercial building automation and HVAC control systems and is not a manufacturing, robotics, or PLC-focused position.

You will work on BAS programming, startup, commissioning, troubleshooting, and optimization, with experience in Tridium Niagara or similar platforms

Qualifications

• 3+ years of commercial BAS, DDC, or HVAC controls experience.
• Experience programming, configuring, commissioning, or troubleshooting BAS control systems.
• Strong understanding of commercial HVAC equipment and control strategies.
• Experience with BACnet, Modbus, or similar protocols.
• Ability to read and interpret mechanical drawings, specifications, sequences of operation, and technical documentation.
• Ability to travel locally within the Cincinnati area as needed.

Responsibilities

• Design and support BAS architectures, control strategies, network layouts, and system configurations.
• Develop and program HVAC control sequences for commercial building automation systems.
• Configure BAS/DDC systems, graphics, alarms, trends, schedules, and integrations.
• Perform startup, commissioning, testing, and functional validation of building automation systems.
• Troubleshoot programming, communication, integration, and system performance issues.
• Integrate BAS platforms with HVAC equipment and third-party building systems.
• Work with BACnet, Modbus, and other industry-standard protocols.
• Support HVAC equipment such as AHUs, RTUs, VAVs, chillers, boilers, pumps, and central plants.
• Collaborate with project managers, technicians, contractors, and customers throughout project execution.
• Maintain accurate documentation, system backups, programming records, and as-built information.

Skills

BAS programming

HVAC controls

Reading drawings/specs

Travel locally

BACnet/Modbus protocols

Tools

Tridium Niagara AX

Niagara N4

Johnson Controls

Siemens

Honeywell

Schneider Electric

Automated Logic

Distech

Job description

Comfort Systems USA Ohio is seeking a Building Automation Controls Engineer to support commercial BAS, HVAC controls, DDC programming, system integration, and commissioning projects across the Cincinnati region. This role focuses on commercial building automation and HVAC control systems and is not a manufacturing, robotics, or PLC-focused position.

You will work on BAS programming, startup, commissioning, troubleshooting, and optimization, with experience in Tridium Niagara or similar platforms