Principal Firewall & Zero Trust Network Security Engineer TXU Energy : Texas Category

Job Summary

The Principal Network Engineer will work closely with members of the team to maintain the integrity of Vistra's internal network, including customer-facing hosted and cloud environment. The successful candidate will serve as a visionary leader and technical expert, driving the design, implementation, and optimization of next‑generation networks.

• Lead the strategic design and architecture of large‑scale network infrastructures.
• Collaborate with executive leadership and cross‑functional teams.
• Provide technical leadership and mentorship to a team of network engineers.
• Drive research and development initiatives.
• Develop and maintain technical standards and best practices.
• Lead troubleshooting efforts of complex network issues.
• Serve as a subject matter expert on network technologies.
• Represent the company in industry forums.

• Bachelor's degree in Computer Science, Information Technology, or related field or related experience gained through college degree programs and or certifications in related field
• 10+ years of experience in network engineering.
• Expert‑level knowledge of networking concepts, protocols, and technologies.
• Extensive experience with network equipment from leading vendors.
• Strong understanding of data center networking, virtualization, cloud technologies, and emerging trends.
• Demonstrated leadership skills.
• Relevant certifications preferred.

• Strong problem‑solving and analytical skills.
• Excellent communication and interpersonal skills.
• Ability to work independently and as part of a team.

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