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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr Network & Infrastructure Engineer - **Company:** Byrne Dairy - **Location:** Lafayette, LA, United States - **Experience:** Expert - **Salary:** $107,500.0 - $138,000.0 - **Contract:** Permanent contract - **Skills:** Backup Devices, Business Systems, Cyber Security, Network Congestion, Dynamic Host Configuration Protocol, IP Addressing, Subnetting, Virtual Private Networks (VPN), Network Security, Network Troubleshooting, Routing, Network Segmentation, Network Administration, Virtual Local Area Networks, Software Vulnerability Management, Wide Area Networks, Wireless Networks, Firewalls (Computer Science), Information Technology, Low Latency, Firewall Services Module, Network Server, Vmware - **Published:** August 27, 2026 - **Apply:** https://recruiting.ultipro.com/BYR1001BYRD/JobBoard/dc66c76b-4e41-4c73-a4c0-672a5a4c1ae6/OpportunityDetail?opportunityId=88dc4fad-6eb9-4d6e-a677-86756870eac9 ## About the Role * Minimum 5 years of progressive experience in network administration, infrastructure support, or a closely related role. * Strong hands-on experience with enterprise switching, routing, firewalls, wireless, VPNs, VLANs, subnetting, and network troubleshooting. * Experience supporting multi-site environments and documenting network standards, configurations, and procedures. * Bachelor's degree in computer science, networking, engineering, information technology, or equivalent industry experience. * Preferred but not required: CCNA/CCNP, JNCIA, Aruba Certified Professional, Network+, or similar networking certifications. * Preferred: Experience supporting manufacturing, warehousing, distribution, or operational technology network environments. ## Description The Senior Network and Infrastructure Engineer plays a key role in executing assigned IT tasks. This includes supporting the reliability, performance, security, and documentation of the company's multi-site network environment, with a primary emphasis on hands-on network administration. The successful candidate will possess substantial hands-on experience with switching, routing, firewalls, wireless networks, VPNs, VLANs, subnetting, network segmentation, and advanced troubleshooting. This position may also provide support for related infrastructure and cybersecurity initiatives; however, the primary responsibilities of the role are network administration, technical ownership, and the consistent support of the company's network environment., * Administer and troubleshoot enterprise switching, routing, firewall, wireless, VPN, VLAN, circuit, and IP addressing environments. * Maintain network documentation, including diagrams, device inventories, IP addressing schemes, DHCP scopes, firewall rules, circuit details, and configuration standards. * Analyze and resolve connectivity, routing, wireless, firewall, latency, packet loss, segmentation, and performance issues across multiple locations. * Implement and maintain firewall policies, VPN access, NAT rules, network segmentation, and secure network configuration practices. * Support manufacturing, warehouse, distribution, and OT network requirements while maintaining secure separation from business systems. * Coordinate network upgrades, WAN connectivity, SD-WAN administration, ISP support, circuit changes, hardware replacements, vendor support, and infrastructure project work. * Manage ISP relationships and circuit lifecycle activities, including new service requests, renewals, upgrades, disconnects, billing coordination, outage escalation, and documentation. * Assist with cybersecurity alerts, vulnerability remediation, incident response, and security tools when network expertise is required. * Support related servers, VMware, backups, patching, authentication integrations, and disaster recovery testing as assigned. * Assist with escalated helpdesk tickets where network or infrastructure expertise is required. * Participate in scheduled maintenance, on-call escalation, emergency changes, and routine system maintenance. 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