Work Place Flexibility: Hybrid Legal Entity: Entergy Services, LLC

*This is a hybrid position located in Little Rock, AR. Relocation assistance and sponsorship is not provided. The official job title for this position is IT Consultant - Sr.*

Position Summary

The Senior IT Consultant – OT Infrastructure is a critical member of Entergy’s Operational Technology (OT) Infrastructure group. This individual is responsible for the design, implementation, operations, and continuous improvement of infrastructure technologies that support OT environments across the enterprise, including data centers, substations, and control centers. The role ensures reliable, secure, and compliant infrastructure services across systems such as servers, operating systems, virtualization, databases, backups, disaster recovery, and storage, with a focus on automation, resilience, and regulatory alignment.

Key Responsibilities

• Lead and implement OT infrastructure strategy, roadmaps, and delivery plans in coordination with enterprise architecture and cybersecurity teams.
• Provide advanced support for day-to-day operations and lifecycle management of OT infrastructure components including servers (Windows/Linux), workstations (Windows), virtualization (VMware,/Nutanix), storage (NetApp/Isilon), and backup (Commvault).
• Ensure compliance with applicable regulatory standards including NERC CIP, NRC Nuclear Cyber (10 CFR 73.54), and other energy industry frameworks.
• Serve as a technical SME and contributor during audits, assessments, and compliance remediation activities.
• Identify and respond to emerging cyber threats applicable to industrial control systems (ICS) and OT environments, and collaborate on implementing mitigating solutions.
• Drive automation of OT infrastructure processes to reduce delivery cycle times and improve reliability, repeatability, and security posture.
• Partner with vendors and managed service providers to ensure service levels, delivery quality, and alignment with Entergy’s architectural and security standards.
• Provide Tier 3 escalation support, including on-call availability to maintain system uptime for critical OT operations.
• Support infrastructure for critical OT systems, including SCADA, Distribution Automation, Smart Grid, and Advanced Metering Infrastructure (AMI).
• Advocate for infrastructure improvements and resilient design within generation plants, substations, control centers, and other OT environments.
• Track key metrics to monitor and improve system effectiveness, availability, and compliance.

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