Network Administrator

Install, configure, maintain, and troubleshoot client network environments, including firewalls, routers, switches, wireless access points, VLANs, routing, DHCP, DNS, and other core network services.

• Manage firewall policies, site-to-site VPN tunnels, remote-access solutions, network segmentation, access controls, firmware updates, and security configurations across multiple vendor platforms.
• Deploy and maintain business Wi-Fi networks, including SSID configuration, VLAN assignment, authentication, guest access, coverage optimization, and troubleshooting.
• Assist with designing, upgrading, and deploying secure, reliable network solutions that meet customer requirements and align with company standards.
• Monitor network performance and availability, diagnose complex connectivity and security issues, resolve escalated support tickets, and coordinate with ISPs and vendors as needed.
• Maintain accurate network diagrams, IP addressing plans, device configurations, firewall and VPN documentation, and change records. Support security assessments and compliance initiatives, including CMMC and NIST-based requirements where applicable.
• Provide technical support across multiple client environments, communicate clearly with customers, manage assigned tickets and projects, and participate in scheduled after-hours maintenance or emergency support when needed.

This position will be responsible for administering and troubleshooting multi-vendor network environments, including firewalls, switches, wireless access points, VPNs, and related infrastructure. The ideal candidate will have hands-on experience with enterprise networking and network security, strong troubleshooting skills, and the ability to implement and document consistent technical standards across multiple customer environments.

Experience with Ubiquiti UniFi, Cisco Meraki, Adtran, Fortinet, and Palo Alto Networks equipment is preferred. Candidates should be comfortable working across different platforms, identifying root causes of complex network issues, and implementing solutions that prioritize security, reliability, and performance.

Experience with cybersecurity frameworks, regulatory compliance, and the Cybersecurity Maturity Model Certification (CMMC) program is a plus., Demonstrated experience administering and troubleshooting business or enterprise networks.

• Strong understanding of TCP/IP networking, subnetting, VLANs, routing, switching, DHCP, DNS, NAT, and firewall fundamentals.
• Hands-on experience configuring and managing network security appliances and firewall policies.
• Experience implementing and troubleshooting site-to-site VPNs and remote-access VPN solutions.
• Experience managing business wireless networks, including SSIDs, authentication, security, and performance troubleshooting.
• Understanding of network security principles, including network segmentation, least privilege, secure administration, and access control.
• Ability to diagnose complex network problems methodically and identify root causes.
• Strong documentation, organization, and communication skills.
• Ability to manage multiple customer environments, prioritize work, and follow issues through resolution.
• Ability to work independently while collaborating effectively with a technical team.

Network Services & Support, Inc. (NSS) is seeking a knowledgeable and security-minded Network Engineer / Network Administrator to install, manage, maintain, secure, and improve network infrastructure across our managed services customer base.