February 25, 2026
Electric Energy Jobs

Principal Firewall & Zero Trust Network Security Engineer

Organization:
TXU Energy
Region:
Canada, Texas, Irving
End of contest:
May 3, 2026
Type:
Full time
Category:
Information technology (it)
Description

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.

Job Description

Key Accountabilities

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.

Education, Experience, & Skill Requirements

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.

Key Metrics

Strong problem-solving and analytical skills.

Excellent communication and interpersonal skills.

Ability to work independently and as part of a team.

Read the full posting.

Contact

TXU Energy

1601 Bryan St

Dallas

Texas United States

www.txuenergy.com