Senior Network Engineer

  • CSI Companies
  • Tupelo, Mississippi
  • 11/14/2026
Full time Information Technology Telecommunications

Job Description

Job Description

Location: Pascagoula, MS

Work Arrangement: Local / Onsite

Start: ASAP


About the Opportunity

We are seeking an experienced Senior Network Engineer to support and enhance a modern, enterprise-grade network environment. This is a hands-on senior engineering role with a strong emphasis on network architecture, SD-WAN, Palo Alto firewalls, Cisco networking, Cisco Meraki, Microsoft Azure connectivity, and high availability.


The ideal candidate has experience designing and supporting complex, multi-site enterprise networks and is comfortable owning technical solutions from architecture and implementation through troubleshooting and optimization.


What You'll Be Doing

  • Architect secure, highly available network solutions across multiple locations, data centers, and cloud environments.
  • Design and manage connectivity between on-premises infrastructure, Microsoft Azure, and SD-WAN.
  • Configure, support, troubleshoot, and optimize Palo Alto firewalls.
  • Support Cisco Core switching and Cisco Meraki network infrastructure.
  • Manage cloud connectivity, including Azure ExpressRoute circuits.
  • Design secure data flows across hybrid cloud environments.
  • Build and maintain network redundancy, failover, resiliency, and business continuity.
  • Troubleshoot complex routing, switching, firewall, WAN, and connectivity issues.
  • Participate in network architecture discussions, design reviews, and scenario planning.
  • Mentor junior engineers and collaborate with other senior technical resources.


What We're Looking For

  • Senior-level enterprise network engineering experience.
  • Strong hands-on SD-WAN experience.
  • Strong Cisco routing and switching background.
  • Experience with Cisco Core switching.
  • Hands-on Palo Alto firewall experience.
  • Experience designing and supporting multi-site, highly available network environments.
  • Strong understanding of hybrid cloud networking.
  • Experience with Microsoft Azure networking and cloud connectivity.
  • Understanding of redundancy, failover, routing, network security, and secure data-flow design.
  • Ability to discuss network architecture, design decisions, and complex technical scenarios.


Preferred Experience

  • Cisco Meraki
  • Azure ExpressRoute
  • BGP / OSPF
  • Data center or co-location networking
  • Network security architecture
  • Healthcare or other regulated enterprise environments
  • CCNP, CCIE, Palo Alto, or relevant networking/cloud certifications


Interview Process

  1. Introductory technical interview covering network scenarios, design patterns, and architecture
  2. Panel interview with members of the technical team