Vistra Corp. · 4 hours ago
Principal Firewall & Zero Trust Network Security Engineer
Irving, Texas
Full-time
Hybrid
Lead/Staff
10+ years expVistra Corp. is a global leader in energy services, and they are seeking a Principal Firewall & Zero Trust Network Security Engineer to maintain the integrity of their internal network and drive the design and implementation of next-generation networks. The successful candidate will lead strategic design, provide technical leadership, and represent the company in industry forums.
EnergyRenewable EnergySustainability
Responsibilities
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
Qualification
Required
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
Strong problem-solving and analytical skills
Excellent communication and interpersonal skills
Ability to work independently and as part of a team
Preferred
Relevant certifications preferred
Company
Vistra Corp.
Vistra (NYSE: VST) is a leading Fortune 500 integrated retail electricity and power generation company, based in Irving, Texas, that provides essential resources to customers, businesses, and communities from California to Maine.
5001-10000 employees
H1B Sponsorship
Vistra Corp. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (3)
2024 (2)
2023 (1)
2021 (2)
Funding
Current Stage
Public CompanyTotal Funding
$9.5B2026-01-12Post Ipo Debt· $2.25B
2025-10-01Post Ipo Debt· $2B
2024-11-19Post Ipo Debt· $1.25B
Leadership Team
Stacey Dore
Chief Strategy and Sustainability Officer
Recent News
The Motley Fool
2026-01-25
2026-01-24
Company data provided by crunchbase