| Location | Irving, TX |
City Irving State TX Job Type Full-Time Regular
Network Administrator / Security Administrator
Were seeking a Network/Security Administrator to help maintain and secure our network, server, and endpoint infrastructure. Youll work alongside senior IT staff and vendors on daily operations, troubleshooting, security controls, and compliance support.
Key Responsibilities
Maintain LAN/WAN/wireless/VPN connectivity; configure switches, routers, firewalls, and APs; troubleshoot performance issues and outages; keep network documentation current
Monitor security alerts, support endpoint protection, vulnerability scanning, and patch management; assist with access reviews and incident response
Manage AD/M365 user accounts; support server maintenance, backups, and disaster recovery; troubleshoot Windows systems
Support compliance efforts (CMMC, NIST 800-171, ISO 27001) and assist with audits, documentation, and security training
Required Qualifications
Associate degree in IT/CS/Cybersecurity or equivalent experience
3-5 years in network administration and/or cybersecurity
Hands-on Cisco routing/switching/firewall experience
Familiarity with Windows Server and Active Directory
Strong troubleshooting, analytical, and communication skills
Preferred Qualifications
Experience with Trend Vision One or similar EDR/SIEM platforms
Microsoft 365/Azure and Active Directory proficiency
Knowledge of CMMC Level 2, NIST 800-171, or similar frameworks
PowerShell scripting
Technical Environment: Cisco (switches, routers, firewalls, Umbrella), VLANs/VPNs/DHCP/DNS/TCP-IP, 802.1x/ISE, Windows Server/AD, M365, EDR/vulnerability management tools, backup/DR systems, PowerShell, network monitoring tools
Job ID EB-2712301639 / Posted 1 Month ago
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