Network Administrator

YSLETA DEL SUR PUEBLO•El Paso, TX

8d•$69,508 - $112,950•Onsite

About The Position

Responsible for the administration, maintenance, monitoring, security, and optimization of enterprise network infrastructure, wireless systems, firewalls, and voice communications systems. Serves as the primary technical resource for network operations and troubleshooting, working closely with the Systems Administrator and Cybersecurity Administrator to maintain a secure, reliable, and highly available infrastructure and providing advanced technical support, infrastructure planning, and project coordination under the direction of the Director of IT.

Requirements

Associate's degree in Information Technology, Network Administration, Computer Science, Cybersecurity, or a related field (Bachelor Degree preferred)
Minimum of ten (10) years of experience in administering enterprise network infrastructure
Hands-on administration of Cisco networking environments, including Cisco firewalls, switches, wireless systems, SD-WAN, VPN technologies, and Cisco Webex Calling systems
Current Cisco certification is required, such as Cisco Certified Network Associate (CCNA), Cisco Meraki Solutions Specialist, or another equivalent Cisco certification
Valid Texas Driver’s License and be insurable
Must successfully pass a post-offer drug screen and criminal history background check
Advanced knowledge of enterprise networking concepts, including TCP/IP, routing protocols, switching protocols, VLANs, wireless networking, DNS, DHCP, VPNs, firewall administration, QoS technologies, and enterprise voice systems
Demonstrated advanced-level experience administering enterprise Cisco networking environments, including Cisco Meraki firewalls, switching, wireless infrastructure, SD-WAN, VPN technologies, and Cisco Webex Calling systems in a medium to large enterprise environment
Working knowledge of Microsoft server environments, virtualization platforms, network security, infrastructure monitoring systems, and cybersecurity best practices, including network hardening and infrastructure security
Troubleshooting and analytical skills in complex enterprise environments
Ability to independently manage priorities and resolve infrastructure issues with minimal supervision
Ability to prepare and maintain accurate technical documentation, diagrams, and operational procedures
Ability to communicate technical information clearly to technical and non-technical personnel and collaborate effectively with other team members on enterprise infrastructure initiatives
Maintain confidentiality and adhere to security policies and procedures at all times
Participate in after-hours support and emergency response activities as required
Maintain current knowledge of industry standards, cybersecurity trends, and emerging technologies

Nice To Haves

Bachelor Degree preferred

Responsibilities

Designs, implements, and maintains enterprise network infrastructure including firewalls, routers, switches, wireless access points, VPNs, and related systems
Administers and maintains Cisco Meraki, Catalyst, and Secure Firewall (Firepower) networking infrastructure, including security appliances, firewalls, switching, wireless systems, SD-WAN, and network monitoring tools
Designs, implements, and maintains network segmentation, VLANs, routing, wireless security, and access control configurations
Administers and supports Cisco Webex Calling phone systems, voice infrastructure, call routing, user provisioning, and related telecommunications services
Assists with maintenance and support of Avaya phone systems as required
Monitors network performance, availability, capacity, and security to ensure optimal operation of enterprise systems and services
Independently troubleshoots and resolves complex network connectivity, routing, switching, wireless, VPN, VoIP, and infrastructure issues with minimal supervision
Works closely with the Cybersecurity Administrator to implement network security controls, vulnerability remediation, monitoring, and cybersecurity best practices
Assists the Systems Administrator with server infrastructure, virtualization platforms, enterprise applications, and related systems as required to support overall infrastructure operations
Maintains network and infrastructure firmware, operating systems, and security updates to reduce operational and cybersecurity risk
Configures and manages network monitoring systems
Evaluates infrastructure needs and recommends hardware, software, licensing, security improvements, and lifecycle replacement planning
Prepares and maintains accurate and up-to-date network diagrams, infrastructure documentation, configurations, asset inventories, and operational procedures
Documents issues, troubleshooting steps, resolutions, and project activities utilizing the help desk and documentation systems
Provides Level 3 technical assistance and technical guidance to IT staff and other departments
Coordinates with vendors, contractors, carriers, and service providers to ensure timely resolution of issues requiring external support
Participates in infrastructure projects, maintenance windows, emergency response, and on-call support as required
Enforces IT policies, procedures, cybersecurity standards, and acceptable use requirements
Assists with disaster recovery planning, business continuity initiatives, and backup validation processes
Trains and mentors IT staff on network technologies, operational procedures, and best practices
Performs other position-related duties as assigned and required