Data Center Commissioning Engineer — On-Site, Growth Path

Garmac Limited LLC; Milwaukee (WI); On-site; USD 62,000 - 76,000; Full time

Job summary

Garmac Limited LLC in Montgomery, AL is seeking a Data Center Commissioning Engineer for a large-scale, multi‑year program. The role is on-site, contract‑to‑hire, and focuses on commissioning electrical and mechanical control systems across HVAC, chillers, and power distribution.

You’ll troubleshoot I/O and network communications, interpret one‑line diagrams, and support graphics integration in Ignition and AVEVA System Platform.

Qualifications

• BS in Electrical or Mechanical Engineering preferred; technicians with strong hands‑on controls experience considered.
• Comfortable using a multimeter.
• Exposure to major PLC platforms (Schneider, Rockwell, Siemens) is a plus.
• Familiarity with Modbus or BACnet is a plus.
• Able to perform field work 8+ hours per day on an active construction site; 45‑hour weeks.
• Coachable, motivated and eager to learn with training provided.

Responsibilities

• Commission and troubleshoot electrical and mechanical control systems including HVAC, chillers, fans, and power distribution.
• Perform I/O troubleshooting on hard-wired points and network communications (Modbus/BACnet).
• Interpret one-line diagrams, network drawings, and control schematics.
• Assist with graphics integration on Ignition and AVEVA System Platform.
• Download, verify, and make basic PLC edits under a lead engineer.
• Document issues clearly and work within a small field team under supervision.

Skills

Multimeter proficiency

PLC exposure

Modbus

BACnet

PLC programming basics

Education

BS in Electrical Engineering

Engineering Technology background eligible

Tools

Schneider Electric PLC

Rockwell PLC

Siemens PLC

Job description

Garmac Limited LLC in Montgomery, AL is seeking a Data Center Commissioning Engineer for a large-scale, multi‑year program. The role is on-site, contract‑to‑hire, and focuses on commissioning electrical and mechanical control systems across HVAC, chillers, and power distribution.

You’ll troubleshoot I/O and network communications, interpret one‑line diagrams, and support graphics integration in Ignition and AVEVA System Platform.