Sr Network & Infrastructure Engineer
About The Position
The Senior Network and Infrastructure Engineer executes assigned IT tasks and supports the reliability, performance, security, and documentation of Byrne’s multi-site network environment, with a primary emphasis on hands-on network administration. The role calls for substantial experience with switching, routing, firewalls, wireless networks, VPNs, VLANs, subnetting, network segmentation, and advanced troubleshooting. It may also support related infrastructure and cybersecurity initiatives, while maintaining primary responsibility for network administration, technical ownership, and consistent support of the company’s network environment. The position is based in Lafayette and is listed for Monday through Friday. Participation in scheduled maintenance, on-call escalation, emergency changes, and routine system maintenance is required. Other duties may be assigned.
Requirements
- 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.
Nice To Haves
- CCNA/CCNP, JNCIA, Aruba Certified Professional, Network+, or similar networking certifications.
- Experience supporting manufacturing, warehousing, distribution, or operational technology 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.
- Perform other duties as assigned.
Benefits
- Competitive bonus programs
- Medical, dental, and vision benefits available on day 1 of employment
- Supplemental benefits available on day 30 of employment
- 401(k) with company match available on day 90 of employment
- Tuition reimbursement and scholarship program
Stand Out From the Crowd
Upload your resume and get instant feedback on how well it matches this job.
What This Job Offers
Job Type
Full-time
Career Level
Senior
