On-Site Network Infrastructure Engineer - Enterprise IT

Smith Arnold Partners

Charlestown (NH)

On-site

USD 90,000 - 100,000

Full time

2 days ago

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Job summary

Smith Arnold Partners in Charlestown, NH is seeking an on-site Network Administrator/Engineer to maintain and grow the enterprise network, including WAN/LAN, security, virtualization, and wireless. You will handle routing, switching, VLANs, firewalls, and network monitoring while collaborating with IT and vendors to deliver reliable, scalable infrastructure.

This role offers strong growth prospects within an established firm, with competitive pay, a bonus plan, and comprehensive benefits,

Qualifications

Five or more years of Network Administration or Network Engineering experience.
Strong knowledge of routing, switching, VLANs, TCP/IP, and enterprise networking.
Experience with firewalls, wireless networking, and network security.
Exposure to virtualization technologies and enterprise infrastructure.
Strong troubleshooting skills and the ability to work independently while collaborating with the broader IT team.

Responsibilities

Administering and supporting enterprise LAN/WAN infrastructure
Managing routing, switching, VLANs, and wireless networks
Supporting firewalls and network security technologies
Monitoring network performance and resolving complex connectivity issues
Supporting virtualization, SAN, and hyper-converged environments
Participating in infrastructure upgrades, system improvements, and technology projects
Working with vendors and internal teams to maintain a secure, reliable, and high-performing environment