Network Administrator II — LAN/Security & VMware Expert

Core4ce; San Antonio, Northern (TX, KY); Hybrid; USD 70,000 - 95,000; Full time

Benefits offered by this job

401(k) match

Medical/Dental/Vision

Training & certifications

Tuition assistance

Parental leave

Paid time off

Internal innovation funding

Job summary

Core4ce in San Antonio, Texas is seeking a Network Administrator II to provide on-site LAN support for PEO MS/CIO, J-S, and MHS IT components. The role emphasizes managing and monitoring LANs, and troubleshooting core and edge switches to maintain performance and security.

You will configure hardware and software including switches, routers, firewalls, hubs, bridges, gateways, and VMware, while documenting changes and supporting future IT projects.

Qualifications

• Tier 3 clearance or higher.
• 4+ years of progressive network experience.
• Bachelor’s degree or equivalent experience.
• IAT II certifications incl. Sec+ and computing environment.
• Strong understanding of firewalls/routers/switches, incl. Palo Alto and Cisco Firewalls.
• Experience with LAN, VPN, IPS and related tech.
• Experience with core and edge switching.
• Knowledge of DNS, SMTP, NTP, IMAP, SNMP.
• Deploy, upgrade and support enterprise network infra.
• Network monitoring and troubleshooting.

Responsibilities

• Deploy and sustain LAN/WLAN/intranet/extranet networks.
• Administers day-to-day sustainment, integrity, security and availability.
• Perform daily performance monitoring, capacity analysis, and security posture.
• Configure network hardware/software including switches, routers, firewalls, hubs, bridges, gateways, and VMware.
• Assist architecture with evaluation and testing of hardware/software products.
• Maintain documentation of network configurations and changes.
• Perform maintenance upgrades to ensure security and operations.
• Provide on-site IT support for servers, equipment, OS, and applications.
• Troubleshooting core and edge switches.
• Plan and schedule installation of new/modified network hardware.

Skills

LAN

VPN

Firewalls

Troubleshooting

Cisco

Palo Alto

Network Monitoring

Education

Bachelor’s degree or equivalent experience

Tools

VMware

Palo Alto

Cisco Firewalls

Job description

Core4ce in San Antonio, Texas is seeking a Network Administrator II to provide on-site LAN support for PEO MS/CIO, J-S, and MHS IT components. The role emphasizes managing and monitoring LANs, and troubleshooting core and edge switches to maintain performance and security.

You will configure hardware and software including switches, routers, firewalls, hubs, bridges, gateways, and VMware, while documenting changes and supporting future IT projects.