IT Systems and Security Administrator II, III, Senior

Description

General summary:

This position is responsible for providing support and maintenance for local applications, infrastructure, and plant system needs and IT services. Responsible for the administration, maintenance, support, and continuous improvement of Rainbow Energy Center’s enterprise systems, business applications, Microsoft 365 environment, server platforms, network systems, and cybersecurity systems. Ensures the secure, reliable, and efficient operation of technology services supporting business operations. Serves as a technical resource for systems administration, cybersecurity, disaster recovery, regulatory compliance, technology planning, and project execution.

This role partners closely with business units, plant operations, engineers, vendors, regulatory organizations, and other technology personnel to support current and future business needs while maintaining organizational security standards.

Key responsibilities:

Systems Administration and Support

• Administer and support enterprise servers, network systems, business applications, Microsoft 365 services, Active Directory, virtualization platforms, and related technology services.
• Perform system maintenance, upgrades, patch management, backup administration, recovery testing, and lifecycle management.
• Monitor system performance, availability, reliability, and capacity to ensure business requirements are met.
• Troubleshoot and resolve hardware, software, application, operating system, and technology service issues.
• Maintain asset inventory and technology lifecycle replacement plans.
• Provide on‑call support for critical technology incidents and emergencies.
• Serve as technical escalation support for Service Desk personnel and IT Support Analysts.
• Provide recommendations for server, workstation, and application lifecycle replacement, upgrades, and technology standards.
• Support disaster recovery planning, testing, and recovery efforts to ensure business continuity.

Cybersecurity Administration

• Administer and support cybersecurity infrastructure including security monitoring, threat detection, vulnerability management, identity management, endpoint protection, and security event analysis.
• Configure and maintain security tools, alerts, reports, dashboards, rules, signatures, and monitoring systems.
• Participate in security incident investigations, root cause analysis, containment activities, and remediation efforts.
• Assist with the development, implementation, and continuous improvement of the REC security program.
• Conduct security reviews of systems, applications, infrastructure, and technology projects.
• Support audit activities and regulatory compliance requirements.
• Maintain disaster recovery, business continuity, and incident response plans.

Systems Planning and Design

• Participate in planning, design, implementation, and enhancement of enterprise systems, business applications, and technology solutions.
• Develop and maintain system documentation, diagrams, standards, procedures, and configuration records.
• Provide technology consulting and recommendations to support plant and business objectives.
• Recommend improvements to technology standards, system architectures, support processes, and operational effectiveness.
• Participate in architecture reviews and technology assessments of existing and proposed solutions.
• Support integration of business, operational, and plant information systems where applicable.

Project Management and Continuous Improvement

• Lead or participate in technology and cybersecurity projects.
• Identify opportunities to improve reliability, security, efficiency, and operational effectiveness.
• Research emerging technologies, industry trends, and best practices.
• Prepare recommendations and technical evaluations for decision‑making management.
• Participate in change management, incident management, and problem management processes.

Compliance, Documentation, and Governance

• Create and maintain technical documentation, operating procedures, standards, diagrams, and system inventories.
• Ensure adherence to cybersecurity, safety, and technology governance policies.
• Assist with regulatory compliance initiatives including NERC, FERC, and applicable industry…