Lead PLC/SCADA Controls Engineer

About CarrierCarrier Global Corporation, global leader in intelligent climate and energy solutions, is committed to creating innovations that bring comfort, safety and sustainability to life. Through cutting-edge advancements in climate solutions such as temperature control, air quality and transportation, we improve lives, empower critical industries and ensure safe transport of food, lifesaving medicines and more. Since inventing modern air conditioning in 1902, we lead with purpose: enhancing the lives we live and the world we share. We continue to lead because of our world-class, inclusive workforce that puts the customer at the center of everything we do. For more information, visit corporate.carrier.com or follow on Carrier social media at @Carrier.About Automated LogicAt Automated Logic, we've been developing and supporting intelligent building solutions that have helped customers, including small businesses to Fortune 500 corporations, operate their buildings more efficiently for over 40 years. Our products help reduce energy consumption, lower utility, operating and maintenance costs, and improve indoor air quality, occupant comfort, and productivity. Technology that supports the buildings and industry of today and tomorrow requires a wide range of talents and skill sets.  About This RoleOur work increasingly sits at the intersection of OT controls, SCADA, and enterprise data. We deploy Ignition SCADA, Rockwell Automation PLCs, and open industrial protocols to provide deep, trustworthy visibility into mechanical plants, electrical distribution, and power quality without locking customers into brittle or opaque architectures. We are seeking senior-level PLC/SCADA Engineer who brings strong technical judgment, systems thinking, and the ability to design solutions that keep working years after handoff. Scope of Position:As a Senior PLC/SCADA Controls Engineer, you will serve as a technical authority for data center automation and electrical power monitoring systems. You will lead the design of Ignition-based data center SCADA platforms integrated with Rockwell PLC control systems, electrical power monitoring devices, and third‑party subsystems. You will influence how systems are designed, modeled, how data flows, and how operators interact with critical infrastructure across single sites and multi‑site portfolios. This role carries technical ownership, cross‑disciplinary influence, and mentorship expectations. You are someone others come to when the system behavior matters, not just whether it “works.” Key Responsibilities:PLC System Design & DevelopmentDevelop and maintain PLC applications utilizing Rockwell Automation platforms including:ControlLogixCompactLogixGuardLogix (where applicable)Remote I/O architecturesDesign scalable control architectures for:Chiller managersChiller lineup controllersPumping systemsThermal energy storage systemsHVAC and process cooling applicationsCreate reusable software standards, Add-On Instructions (AOIs), and programming templates.Develop and maintain PLC documentation, functional descriptions, and sequence of operation implementations.SCADA & Ignition DevelopmentDevelop supervisory applications using Ignition by Inductive Automation.Configure:OPC UA communicationsUDT librariesTag structuresAlarm strategiesHistorical data collectionDashboard and visualization interfacesSupport deployment of enterprise-scale SCADA systems for monitoring and control of critical infrastructure.Implement standardized naming conventions and scalable tag models.Industrial Networking & CommunicationsDesign and troubleshoot industrial Ethernet networks.Configure communications utilizing:EtherNet/IPBACnet/IPModbus TCPOPC UASupport managed switches, VLANs, routing, and redundant network architectures.Integrate third-party equipment including chillers, VFDs, power monitoring devices, UPS systems, generators, CRAHs, CDUs, and metering systems.System IntegrationDevelop integration strategies for mechanical and electrical systems.Coordinate with equipment vendors to validate communications and operational sequences.Perform point mapping, protocol validation, and interface testing.Support cybersecurity and OT network requirements.Testing & CommissioningSupport:Factory Acceptance Testing (FAT)Site Acceptance Testing (SAT)Integrated Systems Testing (IST)Functional Performance Testing (FPT)Troubleshoot controls, network, and field device issues during startup and commissioning.Create commissioning procedures and checkout documentation.Support field technicians and commissioning providers during project execution.Technical LeadershipProvide technical guidance and mentoring to entry-level and mid-level engineers.Participate in design reviews and software quality reviews.Identify project risks early and recommend mitigation strategies.Support customer-facing technical discussions and design workshops.Required Qualifications:Bachelor’s degree with 4+ years of HVAC/Building Automation experience OR Associate Degree with 6+ years of HVAC/Building Automation experience OR High School Diploma OR GED with 8+ years of HVAC/Building Automation experience. 4+ years of experience designing and supporting SCADA and control systems in live facilities 4+ years of Rockwell Automation PLC experience with ControlLogix / CompactLogix platformsAbility to travel up to 25%Must have unrestricted authorization to work in the USA. No visa sponsoring available.Preferred Qualifications:Ignition SCADA (Inductive Automation) at scale UDT-driven designs Alarm pipelines and strategy Gateway configuration, redundancy, and performance tuning Data center or other mission‑critical infrastructure experience, including: Central utility plants Electrical power distribution and monitoring Redundant system architectures Strong understanding of industrial Ethernet and OT networking Experience integrating third-party electrical devicesChillersCRACS/CRAHSPower Quality MetersBreakersUPSGenerators Experience designing and implementing HVAC/Building Automation control systems.Strong Rockwell Automation expertise including Studio 5000, ControlLogix and CompactLogix.Experience with PLC programming fundamentals:Ability to clearly communicate complex technical concepts to engineers, operators, and stakeholders Pay RangeThe annual salary for this position is between $79,000.00 - $158,000.00 annually. Factors which may affect pay within this range include, but are not limited to, skills, education, experience, and other unique qualifications of the successful candidate.Other CompensationThis position may be entitled to short-term cash incentives, subject to plan requirements. BenefitsEmployees are eligible for benefits, including:Health Care Benefits: Medical, Dental, Vision; Wellness incentivesRetirement BenefitsTime off and Leave: Paid vacation days, up to 15 days; paid sick days, up to 5 days; paid personal leave, up to 5 days; paid holidays, up to 13 days; birth and adoption leave; parental leave; family and medical leave; bereavement leave; jury duty leave; military leave; purchased vacationDisability: Short-term and long-term disabilityLife Insurance and Accidental Death and DismembermentTax-Advantaged Accounts: Health Savings Account; Health Care Spending Account; Dependent Care Spending AccountTuition Assistance To learn more about our benefits offering, please click here Work with us | Carrier Corporate. The specific benefits available to any employee may vary depending on state and local laws and eligibility factors, such as date of hire and the applicability of collective bargaining agreements.Carrier EEO Statement and Accommodations ProcessCarrier is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status or any other applicable state or federal protected class. Carrier provides affirmative action in employment for qualified individuals with a Disability and Protected Veterans in compliance with section 503 of Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act. If you require a reasonable accommodation to complete the application process, participate in an interview, or otherwise engage in the hiring process, please contact us at View email address on click.appcast.io. We will make every effort to meet your needs in accordance with applicable laws.Application DeadlineApplications will be accepted for at least 3  days from Job Posting Date: 28 August 2026Job Applicant's Privacy NoticePlease click on the link to review the Job Applicant Privacy Notice.Use of AITechnology-enabled tools may support parts of the recruitment process, with oversight by people.SummaryLocation: CAG11: ALC Other HG, 1025 Cobb Place Boulevard, Kennesaw, GA, 30144 USAType: Full time