Senior Engineer, Cyber Security-Generation

Vistra Corp; Irving (TX); On-site; USD 120,000 - 190,000; Full time

Job summary

Vistra Corporate Services Company in Irving, Texas seeks a cybersecurity SME for the generation fleet to drive program improvements, lead incident investigations, and ensure alignment with enterprise security strategies and regulatory obligations. You will understand processes and initiate necessary changes to address vulnerabilities and gaps in standards.

The role requires hands-on leadership across cross-functional teams, development of fleet-wide standards, and collaboration on capital

Qualifications

• 5–8 years in industrial or infrastructure cybersecurity roles.
• Deep understanding of NERC CIP, IC/OT security, and control systems engineering.
• Experience leading cross-functional teams.
• Strong analytical and communication skills.
• Knowledge of TCP/IP, routing, switching, VLANs, NAT, firewalls, and segmentation.
• Experience with industrial networks or air-gapped environments is a plus.
• Proficiency in scripting/automation to enforce security controls and validate compliance.

Responsibilities

• Lead complex cybersecurity initiatives and remediation campaigns.
• Develop fleet-wide security standards and guidance.
• Provide oversight during audits and inspections.
• Lead root cause analysis of cybersecurity events.
• Develop dashboards and metrics for executives and operations.
• Represent cybersecurity on capital projects and plant upgrades.

Skills

Industrial cybersecurity

Leadership

Networking fundamentals

Scripting/Automation

Cross-functional collaboration

Education

College degree or certification in field

Tools

PowerShell

Python

JavaScript

Job description

Job Summary

Serve as a subject matter expert (SME) in cybersecurity for the generation fleet. Drive program improvements, lead incident investigations, and ensure alignment with enterprise security strategies and regulatory obligations. Understands processes and initiates required changes to address vulnerabilities or gaps in standards.

Job Description

Key Accountabilities

• 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.

Education, Experience, & Skill Requirements

• 5–8 years in industrial or infrastructure cybersecurity roles.
• Deep understanding of NERC CIP, IC/OT security, and control systems engineering.
• Demonstrated ability to lead cross-functional teams.
• Strong analytical and communication skills.
• Deep understanding of computer networking fundamentals, including TCP/IP, routing, switching, VLANs, NAT, firewalls, and segmentation. Experience with industrial or air-gapped networks is a plus.
• Proficiency in scripting and automation, particularly using PowerShell, JavaScript and/or Python, to automate routine tasks, enforce security controls, and validate compliance is desire
• Experienced gained through college degree programs and/or certification in business or technology related field, or equivalent experience.

Job Family

Information Technology

Company

Vistra Corporate Services Company

Locations

Irving, Texas

Texas

We are a company of people committed to: Exceeding Customer Expectations, Great People, Teamwork, Competitive Spirit and Effective Communication.

It is the policy of the Company to comply with all employment laws and to afford equal employment opportunity to individuals in all aspects of employment, including in selection for job opportunities, without regard to race, color, religion, sex, sexual orientation, gender identity, pregnancy, national origin, age, disability, genetic information, military service, protected veteran status, or any other consideration protected by federal, state or local laws.

If you are an individual with a disability and need assistance submitting an application or would like to request an accommodation, please email [e-mail] a request.