Senior Cybersecurity Engineer – Generation Fleet

TXU Retail Services Company; United States; On-site; USD 140,000 - 200,000; Full time

Job summary

Vistra is seeking a cybersecurity subject matter expert to act as a SME for the generation fleet. The role drives program improvements, leads incident investigations, and ensures alignment with enterprise security strategies and regulatory obligations.

Responsibilities include leading complex cybersecurity initiatives, developing fleet-wide standards, and providing oversight during audits. You will also own root cause analysis, dashboards, and reporting for executives and operations, while

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.
• Deep understanding of networking fundamentals (TCP/IP, routing, switching, VLANs, NAT, firewalls, segmentation).
• Experience with industrial or air-gapped networks is a plus.
• Proficiency in scripting and automation to automate tasks and enforce controls (PowerShell, JavaScript, Python).
• College degree programs or certifications in business or technology.

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

Control systems engineering

Cross-functional leadership

Analytical skills

Communication

PowerShell

JavaScript

Python

Networking fundamentals

Education

College degree or certification in related field

Tools

PowerShell

JavaScript

Python

Job description

Vistra is seeking a cybersecurity subject matter expert to act as a SME for the generation fleet. The role drives program improvements, leads incident investigations, and ensures alignment with enterprise security strategies and regulatory obligations.

Responsibilities include leading complex cybersecurity initiatives, developing fleet-wide standards, and providing oversight during audits. You will also own root cause analysis, dashboards, and reporting for executives and operations, while