Senior Operational Technology Systems Administrator - Cybersecurity and Resiliency

NextEra Energy Resources; Town of Florida (NY); On-site; USD 110,000 - 160,000; Full time

Job summary

NextEra Energy Resources, LLC is seeking a Senior OT Systems Administrator to lead the OT cybersecurity program across our generation assets. The role focuses on securing, monitoring, and sustaining OT infrastructure, including HMIs, SCADA, RTUs, and control systems.

You will work with Cybersecurity, Controls Engineering, SCADA, IT, Compliance, and vendors to implement RBAC, monitoring, asset inventories, and hardening across the fleet, ensuring reliable operation and compliance with NERC CIP

Qualifications

• :

Responsibilities

• Evaluates, implements, and modifies operating system software parameters and product solutions for optimum performance.
• Identifies integration and other interface requirements for all supported products and platforms.
• Serves as a technical escalation point for technicians and customers.
• Troubleshoots hardware, system and application issues.
• Performs other job-related duties as assigned.

Skills

Windows Server

Active Directory

IT virtualization

Backup technologies

Network infrastructure

SCADA

PLC/Controllers

OT cybersecurity

Incident response

HMI systems

Education

Bachelor's Degree in IT/Cybersecurity/Engineering

Tools

Modbus

DNP3

Job description

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Senior Operational Technology Systems Administrator - Cybersecurity and Resiliency

Date: Sep 18, 2026

Company: NextEra Energy

Requisition ID: 97315

NextEra Energy Resources is one of America’s largest wholesale electricity generators, harnessing diverse energy sources to power progress. We deliver tailored energy solutions that fuel economic growth, strengthen communities, and help customers achieve their energy goals. Ready to make a lasting impact? Take the next step in your career with us!

Position Specific Description

Serve as a technical lead within the Power Generation Division (PGD) Engineering & Operations Support Services (EOSS) organization, responsible for supporting and maintaining Operational Technology (OT) systems that enable the secure, reliable, and compliant operation of renewable, battery storage, and fossil generation assets.

This position will play a key role in executing PGD's OT Cybersecurity Program and strategic initiatives focused on the five cybersecurity functions: Identify, Protect, Detect, Respond, and Recover. Responsibilities include administration, support, monitoring, hardening, lifecycle management, and recovery planning for critical OT infrastructure and control system assets across the generation fleet. The role will support implementation and long-term sustainment of cybersecurity controls, resiliency improvements, access management solutions, asset inventory programs, monitoring technologies, and operational technology infrastructure modernization efforts.

The successful candidate will work closely with Cybersecurity, Controls Engineering, SCADA, Operations, IT Infrastructure, Compliance, Engineering & Construction (E&C), vendors, and plant personnel to ensure OT systems remain secure, available, and compliant while supporting ongoing cybersecurity transformation projects. PGD's cybersecurity strategy is centered on improving asset inventory, access management, system hardening, monitoring, incident response readiness, and recovery capabilities across the fleet.

Key Responsibilities

OT Infrastructure Administration

• Administer and maintain operational technology infrastructure supporting generation facilities.
• Support installation, configuration, monitoring, patching, backup, recovery, and lifecycle management of:
• Human Machine Interfaces (HMIs)
• SCADA servers
• Application servers
• Historians
• Engineering workstations
• Controllers and PLCs
• Remote Terminal Units (RTUs)
• Protective relays
• Digital Fault Recorders (DFRs)
• Revenue and operational metering systems
• Network switches and communications equipment.

Cybersecurity Program Execution

• Support implementation of PGD cybersecurity initiatives including:
• Role-Based Access Control (RBAC)
• OT monitoring solutions
• Secure remote access
• Vulnerability management
• Asset inventory automation
• Backup and recovery programs.
• Assist with deployment and sustainment of cybersecurity technologies used within OT environments.
• Support cybersecurity assessments, audits, remediation activities, and corrective action plans affecting OT systems.

Project & Program Support

• Support strategic OT cybersecurity and resiliency projects across the fleet.
• Coordinate with project managers, engineers, cybersecurity personnel, and vendors during design, testing, deployment, and support phases.
• Assist with development of technical standards, reference architectures, and cybersecurity design requirements for new and existing sites.
• Support IT/OT separation initiatives, OT resiliency projects, site security hardening programs, and centralized OT infrastructure deployments.

Desired Qualifications

• Bachelor's Degree in Information Technology, Computer Science, Cybersecurity, Engineering, Industrial Automation, or related field.
• 4+ years of experience supporting industrial control systems, SCADA systems, operational technology infrastructure, or critical infrastructure environments.
• Experience administering Windows Server environments, Active Directory, virtualization platforms, backup technologies, and network infrastructure.
• Familiarity with industrial communication protocols (Modbus, DNP3), control systems, and operational technology environments.
• Experience supporting or maintaining:
• HMI systems
• PLCs and controllers
• RTUs and data concentrators
• Protective relays
• DFR systems
• SCADA platforms
• Knowledge of cybersecurity principles, access management, network segmentation, system hardening, monitoring, and incident response.
• Experience in power generation, electric utility, energy infrastructure, industrial manufacturing, or critical infrastructure environments preferred.
• Familiarity with NERC CIP standards and OT cybersecurity frameworks preferred.
• Strong troubleshooting, documentation, communication, and collaboration skills.

Job Duties & Responsibilities

• Evaluates, implements, and modifies operating system software parameters and product solutions for optimum performance
• Identifies integration and other interface requirements for all supported products and platforms
• Serves as a technical escalation point for technicians and customers
• Troubleshoots hardware, system and application issues
• Performs other job-related duties as assigned

Required Qualifications

• Experience: 4+ years

Preferred Qualifications

NextEra Energy offers a wide range of benefits to support our employees and their eligible family members.

Employee Group: Exempt
Employee Type: Full Time
Job Category: Information Technology
Organization: NextEra Energy Resources, LLC
Relocation Provided: Yes, if applicable

NextEra Energy is an Equal Opportunity Employer. Qualified applicants are considered for employment without regard to race, color, age, national origin, religion, marital status, sex, sexual orientation, gender identity, gender expression, genetics, disability, protected veteran status or any other basis prohibited by law.

NextEra Energy and provides reasonable accommodation in its application and selection process for qualified individuals, including accommodations related to compliance with conditional job offer requirements, consistent with federal, state, and local laws. Supporting medical or religious documentation will be required where applicable and permitted by applicable law. To request a reasonable accommodation, please send an e-mail to [e-mail] , providing your name, telephone number and the best time for us to reach you.

NextEra Energy will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information.

NextEra Energy does not accept any unsolicited resumes or referrals from any third-party recruiting firms or agencies. Please see our policy for more information.

Nearest Major Market: Palm Beach
Nearest Secondary Market: Miami