System Administrator - OT

RWE Americas, LLC

To start as soon as possible, full time, permanent

Functional area: IT / Digital

Remuneration: Exempt

Job Description: The System Application Administrator I supports the reliability, availability, security, and compliance of operational technology systems used across renewable energy operations. Working under direct supervision, the role performs defined monitoring, maintenance, documentation, access-support, endpoint, and infrastructure tasks using established procedures, and promptly escalates exceptions or higher-complexity issues to senior administrators.

• Monitor daily system health and uptime metrics across OT environments; recognize anomalies, document initial findings, and elevate according to defined procedures
• Perform entry-level hardware and endpoint support, including approved hard drive, memory, and peripheral replacements under direct supervision
• Execute established maintenance checklists for backups, log validation, scheduled jobs, and routine system health checks; record results accurately
• Fulfill Tier 1 requests such as user provisioning support, password resets, account lockout resolution, and approved software installation on endpoint devices
• Update asset and configuration records with hardware changes, server names, configuration versions, locations, and warranty information
• Assist with basic virtual machine activities, including cloning approved templates and controlled VM shutdown or startup for maintenance and patching
• Validate and correct inventory information such as IP address assignments, hostnames, system locations, and equipment labels
• Assist senior administrators with field activities, including rack installation, cable management, component replacement, and controlled physical system reboots
• Support NERC CIP readiness by shadowing compliance walkthroughs, documenting physical and logical access points, and maintaining complete evidence records
• Prepare for system patching by staging approved updates and helping test deployment scripts in non-production or sandbox environments
• Follow established SOPs for backups, patch staging, access provisioning, log checks, and endpoint maintenance; stop and elevate when conditions fall outside approved procedures
• Participate in training and knowledge-sharing activities to build foundational knowledge of cybersecurity, disaster recovery, OT operations, and compliance reporting

• Associate’s degree in Information Technology, Computer Science, Engineering Technology, or a related field, or equivalent practical experience
• Entry-level industry certification(s) relevant to systems administration, infrastructure, or cybersecurity preferred
• Minimum 1 year of relevant IT experience and minimum 2 years of relevant OT experience
• Foundational understanding of system administration, server monitoring, endpoint maintenance, backups, log review, patch preparation, and access provisioning
• Ability to follow documented procedures and checklists precisely in operational and compliance-sensitive environments
• Basic familiarity with Windows-based systems, virtualization concepts, Active Directory, endpoint tools, and asset or configuration management records
• Ability to troubleshoot straightforward user and system issues, capture accurate technical details, and elevate effectively
• Clear written and verbal communication, careful documentation practices, and willingness to learn from senior technical staff and field operations
• Ability to work safely around production infrastructure and travel to field or office locations as business needs require
• Complexity & Problem Solving
  • Troubleshoots straightforward issues using documented procedures and elevates complex issues after initial triage
• Knowledge &…