Senior Network & Infrastructure Engineer — Multi-Site

Byrne Dairy; Town of LaFayette (NY); On-site; USD 108,000 - 138,000; Full time

Benefits offered by this job

Salary range

Competitive bonus programs

Medical/Dental/Vision day 1

Day 30 supplemental benefits

401(k) with company match day 90

Tuition reimbursement

Job summary

Byrne seeks a Senior Network and Infrastructure Engineer to oversee the reliability, performance, and security of our multi-site network, with hands-on administration across switching, routing, firewall, wireless, VPNs, VLANs, and IP schemes.

You will document configurations, troubleshoot complex issues, and support OT networks while coordinating upgrades, SD‑WAN, and vendor partnerships. A strong background in VMware and disaster recovery is a plus.

Qualifications

• Minimum 5 years of progressive experience in network administration 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: CCNA/CCNP, JNCIA, Aruba Certified Professional, Network+ or similar networking certifications.
• Preferred: experience supporting manufacturing, warehousing, distribution, or OT network environments.

Responsibilities

• 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.

Skills

Enterprise switching

Routing

Firewalls

Wireless networks

VPNs

VLANs

Subnetting

Network troubleshooting

Education

Bachelor’s degree in CS, networking, engineering, IT, or equivalent

Tools

VMware

Job description

Byrne seeks a Senior Network and Infrastructure Engineer to oversee the reliability, performance, and security of our multi-site network, with hands-on administration across switching, routing, firewall, wireless, VPNs, VLANs, and IP schemes.

You will document configurations, troubleshoot complex issues, and support OT networks while coordinating upgrades, SD‑WAN, and vendor partnerships. A strong background in VMware and disaster recovery is a plus.