Network Administrator

Robert Half is seeking a Network Administrator for a New Mexico based organization. The Network Administrator is responsible for planning/designing, implementing, and supporting new and existing network, server, storage infrastructure. This role is also responsible for ensuring all network security controls (i.e., firewalls, web application firewalls [WAF], proxies, network segmentation, NAC, ACLs, etc.) are implemented and managed per corporate information security standards. Additionally, responsibilities include assessing enterprise assets and critical assets for secure configurations and maintaining and enforcing regulations and standards

Responsible for the design, planning, operation, maintenance, and support of the network infrastructure. This includes primary accountability for network technologies such as route/switch, on-premise and Cloud LAN/WAN, IPAM, Wi-Fi, ISP management, site-to-site VPNs, proxies (forward and reverse), perimeter firewall management, DNS, Azure cloud environments, automation, NAC/user access, hyperconverged infrastructure, and overall network security. Partners with the Telecommunication vendors on establishing/upgrading existing circuits/communication links. Responsible for business continuity and disaster recovery plans.

Responsible for SIP, DHCP, DNS, TCP/IP routing and routing protocols such as OSPF and BGP, binary mathematics, NAT, PAT, IPsec and SSL VPN technologies, GRE tunneling, route redistribution, traffic shaping, port-level filtering, SD-WAN, MPLS and other communications related technologies. Responsible for the installation, configuration, and maintenance of all WAN and LAN connectivity which includes core and campus switches, routers, firewalls, wireless access points, WAN scalers and load balancer technologies. Responsible for the design, installation, configuration, and maintenance of DNP over IP and serial SCADA communications between the primary and backup control centers.

Other duties as needed

The successful Network Administrator will have a CCNA preferred.

• At least 4 years of hands-on experience supporting enterprise network infrastructure in a production environment.
• Practical knowledge of Cisco networking, including routers, switching, and general network administration.
• Experience working with firewall technologies, secure remote connectivity, and network protection tools such as proxies, WAFs, or DDoS mitigation solutions.
• Familiarity with VoIP and voice network support, including Cisco collaboration or related communications platforms.
• Working understanding of network security principles, access control, segmentation, and cyber security best practices.
• Ability to troubleshoot using standard networking models, packet analysis methods, and structured problem-solving techniques.
• Exposure to technologies such as wireless networking, Active Directory, virtualization platforms, and load balancing is preferred.
• A bachelor’s degree is preferred; industry certifications such as CCNA, Security+, Network+, CEH, or CISSP are valued.
• Experience with APN and MVNO’s and any SCADA or OIT experience is a plus.

Must pass a background prior to Employment