Senior OT Systems Engineer: SCADA, Windows/Linux, Cloud Prep

RWE; Chicago (IL); On-site; USD 127,000 - 171,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Life Insurance

Short-Term Disability

Long-Term Disability

401(k) match

Flexible Spending Accounts

EAP

Education Assistance

Parental Leave

Paid time off

Holidays

Short-term incentives

Job summary

RWE Americas, LLC is seeking a Senior System Administrator I to ensure reliability, security, and compliance of OT systems across renewable energy operations. The role offers autonomy, leads complex incident resolution, and provides technical guidance without formal people management.

The position focuses on on‑prem OT infrastructure (SCADA, control networks), Windows/Linux administration, security hardening, and readiness for Azure/AWS adoption, with a strong emphasis on lifecycle management

Qualifications

• Advanced knowledge of Microsoft Windows Server and Linux administration, virtualization, redundancy, backup and recovery, endpoint management, Active Directory, monitoring, and infrastructure lifecycle practices.
• Foundational knowledge of Microsoft Azure and AWS concepts for future cloud assessments and adoption.
• Strong documentation, communication, and cross-functional collaboration skills.

Responsibilities

• Serve as the technical lead for complex OT system administration issues and develop sustainable solutions.
• Design, deploy, and manage advanced on-prem OT environments supporting SCADA and secure remote operations; plan for potential Azure/AWS adoption.
• Act as Tier 3 escalation for Windows and Linux operating systems, virtualization, storage, and on‑premises infrastructure incidents.
• Lead high-availability, backup verification, failover testing, and disaster-recovery readiness for critical OT systems.
• Own configuration management for OT server platforms with baselines, version control, and comprehensive documentation.
• Develop and apply system-hardening baselines per NIST/CIS guidance, partnering with cybersecurity to remediate vulnerabilities.
• Lead OS migrations, hypervisor upgrades, and on-premises modernization; support cloud-readiness assessments.
• Manage lifecycle planning for Windows, Linux, and on-prem infrastructures with upgrade paths and vendor support.
• Collaborate with SCADA, cybersecurity, and operations teams to deploy services and ensure interoperability.
• Coordinate root-cause analysis and post-incident reviews; implement durable corrective actions.
• Standardize imaging, deployment, monitoring, patching, access control, and configuration procedures; preserve NERC CIP evidence.
• Mentor technicians and junior admins through knowledge sharing and documentation review.

Skills

Windows Server administration

Linux administration

Virtualization

Active Directory

Endpoint management

Monitoring

Infrastructure lifecycle

Cloud concepts (Azure/AWS)

Documentation

Cross-functional collaboration

NERC CIP compliance

Root-cause analysis

Education

Bachelor's degree in Information Technology, Computer Science, Engineering, or related field

Job description

RWE Americas, LLC is seeking a Senior System Administrator I to ensure reliability, security, and compliance of OT systems across renewable energy operations. The role offers autonomy, leads complex incident resolution, and provides technical guidance without formal people management.

The position focuses on on‑prem OT infrastructure (SCADA, control networks), Windows/Linux administration, security hardening, and readiness for Azure/AWS adoption, with a strong emphasis on lifecycle management