OT Systems Administrator

At ENGIE, we believe the energy transition starts with people who bring purpose to their work every day. As an Operational Technology (OT) Systems Administrator, you will help support the critical utility infrastructure serving the University of Iowa campus in Iowa City.

You will serve as the primary administrator and technical owner of the OT infrastructure supporting a highly integrated utility network that monitors and controls more than 500,000 points across electrical, steam, chilled water, and water systems.

In this role, you will help drive system reliability, cybersecurity, disaster recovery, modernization, and long-term operational excellence across a complex industrial control system (ICS) environment. Your work will directly influence the availability, security, and performance of the infrastructure powering one of the nation's leading research universities.

• Administer and maintain OT infrastructure including Active Directory, OPC servers, historian platforms, SCADA/HMI systems, virtualized environments, engineering workstations, and utility application servers
• Manage user access, cybersecurity controls, patch management, endpoint protection, and network segmentation to support a secure and compliant OT environment
• Ensure the reliability, availability, and resiliency of critical control systems through monitoring, failover testing, backup administration, disaster recovery planning, and business continuity practices
• Support SCADA/HMI, historian, and data management systems to ensure the integrity and availability of operational, billing, compliance, and performance data
• Manage virtualized OT environments and supporting technologies, including remote access platforms, licensing systems, file services, and engineering tools
• Develop and maintain testing environments, change management processes, preventive maintenance programs, and continuous improvement initiatives to reduce operational risk and strengthen system performance
• Troubleshoot complex OT system issues and partner with Operations, IT, vendors, and project teams to support infrastructure modernization, capital projects, technical standards, and documentation

• Bachelor's degree in Engineering, Computer Science, Information Technology, or a related field; or equivalent combination of education, military training, certifications, and relevant experience will be considered
• Minimum of five (5) years of hands-on experience supporting Operational Technology (OT), Industrial Control Systems (ICS), SCADA, mission-critical operational systems, or other critical infrastructure environments
• Experience administering Windows Server, Active Directory, virtualization platforms, and enterprise security within OT or industrial environments
• Experience supporting SCADA, HMI, OPC, historian, or industrial automation systems, including system reliability, cybersecurity, and performance initiatives
• Knowledge of OT cybersecurity principles, network segmentation, patch management, endpoint security, disaster recovery, business continuity, and system readiness practices
• Strong troubleshooting, root cause analysis, documentation, and problem-solving skills with the ability to independently manage priorities, operate in high-consequence environments, and resolve complex technical issues
• Effective communication and collaboration skills with the ability to work across operations, engineering, IT, vendors, leadership teams, and other multidisciplinary stakeholders
• This role requires attendance at a worksite on a daily basis
• Must possess a valid U.S. s driver's license/clean driving record; to drive company owned vehicles while on campus
• We are unable to sponsor or take over sponsorship of an employment visa for this role at any time
• Ca…