Job Title: Senior BAS/DDC Controls & Commissioning Engineer (Mission-Critical Facilities)

Job Summary

We are seeking an experienced Senior BAS/DDC Controls & Commissioning Engineer to support mission-critical facility projects. The ideal candidate will have extensive hands-on experience with Building Automation Systems (BAS), Niagara 4 / Tridium, DDC Controls, and HVAC Controls, along with a strong background in commissioning, startup, troubleshooting, and integration of complex building systems. Experience supporting data centers, healthcare, government, laboratories, or other mission-critical environments is highly preferred.

Key Responsibilities

• Design, configure, program, and troubleshoot Building Automation Systems (BAS) and DDC Controls.

• Develop and modify Niagara 4 / Tridium applications, graphics, databases, and control sequences.

• Perform commissioning, startup, point-to-point checkout, and system validation activities.

• Troubleshoot HVAC control systems, network communications, controllers, sensors, and field devices.

• Configure and integrate systems using BACnet, Modbus, LonWorks, and other industry-standard protocols.

• Develop and verify Sequence of Operations for HVAC and building automation systems.

• Support mission-critical mechanical systems including AHUs, RTUs, VAVs, CRAC/CRAH units, chillers, cooling towers, boilers, pumps, and humidification systems.

• Coordinate with project managers, engineers, subcontractors, and customers throughout project execution.

• Prepare commissioning reports, functional test documentation, as-built drawings, punch lists, and technical reports.

• Provide customer training and support during project turnover.

Required Qualifications

• 10+ years of experience in Building Automation Systems (BAS), DDC Controls, or HVAC Controls.

• Strong hands-on experience with Niagara 4 / Tridium.

• Experience with BAS platforms such as Honeywell, Johnson Controls Metasys, Siemens Apogee, Trane Tracer, Schneider EcoStruxure, Distech, or similar.

• Strong knowledge of BACnet, Modbus, LonWorks, and Ethernet/IP communication protocols.

• Experience performing commissioning, startup, troubleshooting, and system integration.

• Ability to read and interpret mechanical, electrical, controls, and wiring drawings.

• Strong troubleshooting and customer communication skills.

Preferred Qualifications

• Experience supporting Mission-Critical Facilities, Data Centers, Healthcare, Government, Defense, Laboratories, or Cleanrooms.

• Experience with HVAC Controls, environmental monitoring, and critical cooling systems.

• OSHA certification or equivalent safety training.

• Experience with Procore or other construction management platforms.

Preferred Technical Skills

• Niagara 4 / Tridium

• Building Automation Systems (BAS)

• DDC Controls

• Commissioning & Startup

• HVAC Controls

• BACnet

• Modbus

• LonWorks

• Honeywell CPO

• Johnson Controls Metasys

• Siemens Apogee

• Trane Tracer

• Schneider EcoStruxure

• Distech

• Point-to-Point Checkout

• Sequence of Operations

• Graphics Development

• System Validation

• Mission-Critical Infrastructure

• Data Center Environmental Controls