Network Engineer

ESP Enterprises Inc.; Carencro (LA); On-site; USD 90,000 - 130,000; Full time

Job summary

ESP Enterprises Inc. is seeking a Senior Network Engineer to design, secure, and support networks across corporate and industrial environments. This on-site role collaborates with IT, site operations, and controls teams to keep critical systems connected and available.

Main duties include designing LAN/WAN, configuring Cisco routers/switches and Fortinet firewalls, and ensuring secure separation between IT and OT networks. Occasional travel, on-call support, and maintenance are part of the role.

Qualifications

• Hands-on experience with Cisco networking and Fortinet security technologies.
• Solid knowledge of TCP/IP, routing, switching, VPNs, and firewalls.

Responsibilities

• Design and maintain LAN, WAN, wireless, and site-to-site connectivity across multiple facilities.
• Configure and troubleshoot Cisco routing, switching, and wireless infrastructure.
• Manage Fortinet firewalls, VPNs, security policies, and centralized management tools.
• Build secure separation between corporate IT and industrial networks using VLANs, firewalls, and industrial DMZs.
• Support networks connected to PLCs, HMIs, SCADA systems, and other OT.
• Improve network resilience through redundant connections, firewall HA, monitoring, and incident response.
• Maintain network diagrams, addressing records, firewall rules, and support procedures.
• Partner with site teams on upgrades and troubleshooting, with occasional travel, on-call support, and maintenance work.

Skills

Cisco networking

Fortinet security

TCP/IP

Routing & switching

VPNs

Firewalls

Network segmentation

Troubleshooting

Tools

Cisco IOS

Fortinet FortiOS

Job description

Work arrangement: On-site We are recruiting a Senior Network Engineer to design, secure, and support networks across corporate and industrial environments. This hands-on role works closely with IT, site operations, and controls teams to keep critical systems connected and available.

What you’ll do

• Design and maintain LAN, WAN, wireless, and site-to-site connectivity across multiple facilities.
• Configure and troubleshoot Cisco routing, switching, and wireless infrastructure.
• Manage Fortinet firewalls, VPNs, security policies, and centralized management tools.
• Build secure separation between corporate IT and industrial networks using VLANs, firewalls, and industrial DMZs.
• Support networks connected to PLCs, HMIs, SCADA systems, and other operational technology.
• Improve network resilience through redundant connections, firewall high availability, monitoring, and incident response.
• Maintain network diagrams, addressing records, firewall rules, and support procedures.
• Partner with site teams on upgrades and troubleshooting, with occasional travel, on-call support, and maintenance work.

What we’re looking for

• Strong hands-on experience with Cisco networking and Fortinet security technologies.
• Solid knowledge of TCP/IP, routing and switching, VPNs, firewalls, network segmentation, and troubleshoot