Sr Network Administrator

Operations Center Arlington, TX 76015, USA

The Senior Network Administrator will design, configure and deploy secure, scalable network infrastructures (LAN/WAN) across servers, network, and cloud environments. The ideal candidate will have deep expertise in infrastructure and cloud technologies (Microsoft Azure required), combined with strong leadership, project management, and communication skills.

• Design, deploy, and maintain on-premises and multi-site cloud environments.
• Manage Microsoft Azure services including multi-region data centers, Enterprise Networking, and Site Recovery.
• Contribute to the implementation of disaster recovery strategies for all network devices.

• Monitor network performance, update firmware, and enforce security policies to protect against threats.
• Troubleshoot, analyze and resolve network failures, bottlenecks, and outages to ensure high availability.
• Understanding of Active Directory, Entra
  
  ID, DNS, RADIUS, DHCP, TCP/IP, and BGP.
• Oversee SD-WAN (Fortinet), VPNs, routers, switches, firewalls (on premise and cloud-based Fortigate Firewalls), wireless access, and unified/cloud telephony systems (Zoom Conference).
• Install and configure network equipment, which includes Cisco switches, Dell Power Switch switches, Fortinet Switches, Fortigate Firewalls, and Ubiquity Access Points.
• Ensure robust cybersecurity practices and compliance with industry standards.

• Prepare clear technical documentation, diagrams (Visio or similar), and project plans.
• Ability to communicate technical information to other technical team members as well as to coworkers in other departments who may not have knowledge of networking technical terminology.
• Networking:
  Foritnet SD-WAN, Cisco routers/switches/firewalls, Zoom telephony.

• Minimum 7 years of experience in infrastructure management, including networking and cybersecurity.
• Maintain current knowledge and understanding of security and networking best practices to offer the best solutions and protection to company systems.
• Ability to manage several projects simultaneously from design to implementation.
• Hands‑on experience with Cisco networking, SD-WAN, and telephony systems.
• Excellent problem‑solving, and communication skills.
• Relevant certifications (Azure, Cisco, Fortinet) are highly desirable.
• Relevant Fortinet certifications (e.g. Forti Client, Forti Manager, Forti Gate).
• Experience working in regulated industries such as financial services.

High School or better.

Susser Bank is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin.

Susser Bank participates in E-Verify.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities. This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.