Sr Network & Infrastructure Engineer

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

Benefits offered by this job

Competitive bonus programs

Medical, Dental, Vision from day 1

Supplemental benefits from day 30

401(k) with company match from day 90

Tuition reimbursement / education aid

Job summary

Byrne is seeking a Senior Network and Infrastructure Engineer to maintain and secure a multi-site network environment with a focus on hands-on administration, reliability, and performance. The role covers switching, routing, firewalls, wireless, VPNs, VLANs, segmentation, and ongoing documentation.

The ideal candidate will have 5+ years in network administration, experience across enterprise networks, and a strong ability to document configurations and standards.

Qualifications

• Minimum 5 years of progressive experience in network administration, infrastructure support, or a closely related role.
• 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 CS, networking, engineering, information technology, or equivalent industry experience.

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. Perform other duties as assigned.

Skills

Network administration

Network troubleshooting

Documentation

Multi-site support

Education

Bachelor's degree in CS/Networking/IT

CCNA/CCNP or similar

JNCIA

Aruba Certified Professional

Network+

Tools

VMware

Job description

Senior Network and Infrastructure Engineer

Why Byrne

At Byrne, we foster a culture built on teamwork, excellence, and professionalism. Our greatest strength lies in the exceptional talent and dedication of our team members across every part of the organization. We value their contributions and ensure they’re recognized, rewarded, and compensated in ways that reflect their impact and expertise.

Pay And Benefits

• Salary Range – $107,500 - $138,000 per year
• Competitive bonus programs
• Medical, Dental, Vision benefits available day 1 of employment
• Supplemental benefits available on day 30 of employment
• Eligible for 401 (k) with a company match available on day 90 of employment
• Educational Support via tuition reimbursement and scholarship program

Work Shift and Location

Lafayette

Monday - Friday

Job Overview

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.

Key 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. Perform other duties as assigned.

Min. Qualifications

• 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.

Byrne

Headquartered in LaFayette, Byrne is a Central New York-based dairy company with a legacy spanning over 90 years. Its operations include an extended shelf-life (ESL) and ultra-high temperature (UHT) pasteurization plant in DeWitt, as well as an ESL manufacturing facility in Cortlandville. Byrne also maintains warehouse facilities in Syracuse and East Syracuse, along with a dedicated ice cream center in Syracuse. As a recognized industry leader, Byrne continues to drive innovation at the forefront of dairy processing and product development.