Senior OT Infrastructure Engineer

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.

Required Experience and Qualifications

- 7+ years of infrastructure engineering or IT operations experience across server, storage, virtualization, or security disciplines. - 2+ years of experience supporting OT or ICS environments, preferably within the energy or utility industry.

- Strong experience in at least three of the following technologies: Windows/Linux OS, VMware, Nutanix, NetApp, EMC, Commvault, Active Directory, or patch management tools.

- Familiarity with SCADA systems, control systems, Smart Grid technologies, and electric utility distribution networks.

- Hands-on experience with real-time systems and cybersecurity risk mitigation in regulated environments.

- Demonstrated ability to support compliance programs (NERC CIP, NRC, FISMA, NIST, etc.)

- Experience working with outsourced and cross-functional teams in high-stakes, regulated environments.

- Strong problem-solving, organizational, and time management skills.

Knowledge and Skills

- Deep understanding of infrastructure systems supporting OT and cybersecurity controls applicable to industrial environments.

- Working knowledge of regulatory frameworks including NERC CIP, NRC 10 CFR 73.54, ISO 27001/27002, NIST, COBIT, and ITIL.

- Proficient in scripting (e.g., PowerShell, Python, or Perl) for automation and task efficiency.

- Ability to communicate complex technical concepts to non-technical stakeholders across the organization.

- Strong documentation and reporting skills to support audits and governance.

- Willingness to travel and support geographically dispersed OT assets.

Education

Associate degree in Computer Science, Cybersecurity, Engineering, or a related field required.

Bachelor’s degree preferred or equivalent combination of education and experience.

Preferred Certifications

- ISACA certifications: CISSP, CISM, CISA

- Vendor certifications from Microsoft, Cisco, NetApp, VMware, or equivalent

- ITIL Foundation or equivalent process management certifications

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Primary Location: Arkansas-Little Rock Arkansas : Little Rock

Job Function: Information Technology FLSA Status: Professional Relocation Option: No Relocation Offered Union description/code: NON BARGAINING UNIT Number of Openings: 1 Req ID: 119990 Travel Percentage:Up to 25%

An Equal Opportunity Employer, Minority/Female/Disability/Vets. Please click here to view the EEI page, or see statements below.

EEO Statement: The Entergy System of Companies provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a protected veteran in accordance with applicable federal, state and local laws. The Entergy System of Companies complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment including, but not limited to, recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

The Entergy System of Companies expressly prohibits any form of unlawful employee harassment based on race, color, religion, sex, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status. Improper interference with the ability of the Entergy System of Company employees to perform their expected job duties is absolutely not tolerated.

Accessibility: Entergy provides reasonable accommodations for online applicants. Requests for a reasonable accommodation may be made orally or in writing by an applicant, employee, or third party on his or her behalf. If you are an individual with a disability and you are in need of an accommodation for the recruiting process please click here and provide your name, contact number, the accommodation requested and the requisition number that you are requesting the accommodation for. Employee Services will contact you regarding your request.

Additional Responsibilities: As a provider of essential services, Entergy expects its employees to be available to work additional hours, to work in alternate locations, and/or to perform additional duties in connection with storms, outages, emergencies, or other situations as deemed necessary by the company. Exempt employees may not be paid overtime associated with such duties.

Know Your Rights: Workplace Discrimination is Illegal

The non-confidential portions of the affirmative action program for individuals with disabilities and protected veterans shall be available for inspection upon request by any employee or applicant for employment. Please contact HRCompliance@entergy.com to schedule a time to review the affirmative action plan during regular office hours.

WORKING CONDITIONS:

As a provider of essential services, Entergy expects its employees to be available to work additional hours, to work in alternate locations, and/or to perform additional duties in connection with storms, outages, emergencies, or other situations as deemed necessary by the company. Exempt employees may not be paid overtime associated with such duties.

Please note: Authorization to work in the United States is a precondition to employment in this position. Entergy will not sponsor candidates for work visas for this position.