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/EngineerExperience with Studio 5000 / Rockwell Automation softwareProven experience programming complex chiller or boiler systems (central plants)Experience developing redundancy strategies and programming redundant PLC controller managersStrong organization, task management, and documentation skillsAbility to thrive in a fast-paced, highly collaborative engineering environmentSelf-directed, proactive, and capable of managing work with minimal oversightPreferred:Bachelor’s degree in Software, Mechanical, or Electrical EngineeringExperience with Ignition SCADA, HMIs, or EPMS/BMS integrationsData center or hyperscale infrastructure experienceAbout Us:Headquartered in Dallas, Texas, Divcon delivers fully integrated automation solutions nationwide that optimize performance, energy efficiency, and reliability across HVAC, lighting, power monitoring, and mission-critical systems. Leveraging advanced technologies - including Allen-Bradley PLCs, Ignition SCADA, and Delta DDC systems - we combine deep technical expertise with field-tested execution to deliver precise, scalable, and high-performance solutions.