Senior Cybersecurity Engineer – Generation Fleet

Vistra Corp.; Irving (TX); On-site; USD 110,000 - 170,000; Full time

Job summary

Vistra Corporate Services Company in Irving, TX seeks a Subject Matter Expert in cybersecurity for the generation fleet. You will drive program improvements, lead incident investigations, and ensure alignment with enterprise security strategies and regulatory obligations.

You will oversee complex initiatives, develop fleet-wide standards, and provide advanced technical oversight during audits. Strong leadership, networking knowledge, and scripting skills are essential to success.

Qualifications

• 5–8 years in industrial or infrastructure cybersecurity roles.
• Deep understanding of NERC CIP, ICS/OT security, and control systems engineering.
• Demonstrated ability to lead cross-functional teams.
• Strong analytical and communication skills.
• Networking fundamentals, including TCP/IP, routing, switching, VLANs, NAT, firewalls, and segmentation.
• Proficiency in scripting and automation using PowerShell, JavaScript and/or Python.

Responsibilities

• Lead complex initiatives, such as segmented architecture deployments or vulnerability remediation campaigns.
• Develop fleet-wide technical standards and guidance.
• Provide advanced technical oversight during compliance audits and inspections.
• Lead root cause analysis of cybersecurity events and implement lessons learned.
• Develop and refine dashboards and metrics for executive and operational reporting.
• Represent cybersecurity on capital projects and plant upgrades.

Skills

NERC CIP

ICS/OT security

Cross-functional leadership

Networking fundamentals

PowerShell

JavaScript

Python

Education

College degree or related certification

Job description

Vistra Corporate Services Company in Irving, TX seeks a Subject Matter Expert in cybersecurity for the generation fleet. You will drive program improvements, lead incident investigations, and ensure alignment with enterprise security strategies and regulatory obligations.

You will oversee complex initiatives, develop fleet-wide standards, and provide advanced technical oversight during audits. Strong leadership, networking knowledge, and scripting skills are essential to success.