Core4ce · 12 hours ago
Network Administrator II
San Antonio, TX
Full-time
Onsite
Mid Level
4+ years expCore4ce is looking for a Network Administrator II to join the team. The role involves providing on-site local LAN support and managing local area networks while ensuring compliance with industry standards and security measures.
Information Services
No H1B
U.S. Citizen Only
Responsibilities
Deploy and sustain new or existing information networks, such as local area networks (LAN), Wireless Local Area Network (WLAN), Wide Area Networks (WAN), intranets, extranets, and other communications networks
Administers day-to-day sustainment, integrity, security and availability of the network
Perform daily performance monitoring, capacity analysis, and maintain security posture of the network
Configures network hardware and software infrastructure including switches, routers, firewalls, hubs, bridges, gateways, and virtual devices in VMware
Assist architecture and engineering with evaluation, making recommendations and testing of network hardware and software products
Maintain accurate documentation of network configurations, installations, and changes
Performs network infrastructure maintenance upgrades to ensure a proper
Security and operational posture are maintained
Provide necessary on-site IT support or system administration for all servers, network equipment, operating systems, and applications on the supported networks
Troubleshooting core and edge switches
Planning and scheduling the installation of new or modified network hardware and systems
Deploy, upgrade, and support enterprise and facility network infrastructure. Utilize tools such as Wireshark, TCPDump, and other network traffic analyzers
This position is designed to be flexible, with responsibilities evolving to meet business needs and enable individual growth
Qualification
Required
National Agency Check (NAC)/ Tier 1 or position of trust suitability in support of your primary duty assignment onsite
(4) years of progressive experience demonstrating the required proficiency
Bachelor's degree or equivalent experience
Certification requirements to meet IAT II, (Sec+ and Computing Environment) within 6 months of hire
Demonstrating a solid understanding of firewalls, routers, switches, and other network technologies including Palo Alto and Cisco Firewalls
Experience with LAN/WAN, VPN, IPS and associated technologies
Experience with core and edge switching
Experience with TCPDump, Wireshark and analyzing network traffic
Understanding of essential network services such as DNS, SMTP, NTP, IMAP, and SNM
Benefits
401(k) with 100% company match on the first 6% deferred, with immediate vesting
Comprehensive medical, dental, and vision coverage—employee portion paid 100% by Core4ce
Unlimited access to training and certifications, with no pre-set cap on eligible professional development
Tuition assistance for job-related degrees and courses
Paid parental leave, PTO that grows with tenure, and generous holiday schedules
Company
Core4ce
Core4ce is a mission-oriented company that serves as a trusted partner to the national security community.
501-1000 employees
Funding
Current Stage
Late StageLeadership Team
Mike Morehouse
Chief Executive Officer and Managing Partner
Recent News
Business Wire
2025-12-05
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2025-09-27
2025-09-05
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