About the role:

The PLC Engineer is responsible for developing, testing, and programming electronic control systems for large-scale data center environments using Programmable Logic Controllers (PLCs). This role is hands-on, client-facing, and essential to ensuring precise, reliable, and scalable automation across HVAC, mechanical, and electrical systems.

Key Responsibilities:

Meet with clients to understand mechanical, electrical, and automation requirements for large-scale facility systems.
Develop PLC programs to control HVAC and mechanical systems supporting tightly regulated data center environments.
Implement customer-requested changes and updates to existing PLC databases and control strategies.
Provide technical expertise during client meetings and design reviews.
Support field and commissioning teams during system start-up, troubleshooting, and validation activities.
Collaborate with contractors and vendors to ensure successful integration of equipment, controls, and sub-systems.
Debug installation issues during static and dynamic commissioning of building automation and special systems.
Diagnose and resolve system errors in PLC logic, hardware, and communication networks.
Document programming workflows, logic changes, and system configurations for project turnover.

Qualifications:

5+ years of experience as a PLC Programmer/Engineer
Experience with Studio 5000 / Rockwell Automation software
Proven experience programming complex chiller or boiler systems (central plants)
Experience developing redundancy strategies and programming redundant PLC controller managers
Strong organization, task management, and documentation skills
Ability to thrive in a fast-paced, highly collaborative engineering environment
Self-directed, proactive, and capable of managing work with minimal oversight

Preferred:

Bachelor’s degree in Software, Mechanical, or Electrical Engineering
Experience with Ignition SCADA, HMIs, or EPMS/BMS integrations
Data center or hyperscale infrastructure experience

Learn more about this Employer on their Career Site