Controls Engineer – Building Automation & Tridium Niagara

Comfort Systems USA (Ohio), Inc.; Cincinnati (OH); On-site; USD 70,000 - 95,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k) with company contribution

Paid time off

Ongoing training

Diverse project exposure

Job summary

Comfort Systems USA Ohio is expanding our Building Automation & Controls Team in Cincinnati and seeks a talented Controls Engineer with hands‑on Tridium Niagara experience to support smarter, more efficient building systems. The role focuses on commercial BAS/DDC, HVAC controls, and Niagara Niagara N4.

You will collaborate with project managers, field technicians, contractors, and customers throughout the project lifecycle, configuring Niagara N4 systems, developing DDC controls, and supporting

Qualifications

• 1–3 years of hands-on Tridium Niagara experience (prefer Niagara N4).
• Hands-on BAS/DDC and HVAC controls experience.
• Bachelor's or associate degree in engineering or related field, or equivalent directly relevant experience.
• Experience programming, configuring, commissioning, or troubleshooting BAS/DDC systems.
• Knowledge of BACnet, Modbus, and building automation communication protocols.
• Strong problem-solving and communication skills.

Responsibilities

• 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.

Skills

Tridium Niagara N4

BAS/DDC experience

HVAC controls

Problem-solving

Education

Bachelor's or associate degree in engineering

Tools

AutoCAD

Visio

EcoStruxure

Job description

Comfort Systems USA Ohio is expanding our Building Automation & Controls Team in Cincinnati and seeks a talented Controls Engineer with hands‑on Tridium Niagara experience to support smarter, more efficient building systems. The role focuses on commercial BAS/DDC, HVAC controls, and Niagara Niagara N4.

You will collaborate with project managers, field technicians, contractors, and customers throughout the project lifecycle, configuring Niagara N4 systems, developing DDC controls, and supporting