73 network administrator jobs at 55 companies in San Marcos, TX
2w
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Network Administrator
San Antonio, Texas, United States
$72k-$77k/yr OnsiteFull Time
5+ YOE5+ years network administration experience, DoD 8570.01-M IAT Level II, active Secret clearance, high school diploma or equivalent, experience with cloud services, vulnerability management, and lifecycle management.
Microsoft Office 365, Microsoft OneDrive, Google G Suite, Google Cloud, Linux, VOIP, NSA Type 1
1mo
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IT Network Administrator
Bastrop, Texas, United States
OnsiteFull Time
3+ YOEHigh school diploma, 3+ years IT network administration experience, hands-on networking with routing/switching/VoIP/WiFi, ability to lift 35 lbs, strong communication and documentation skills.
Cisco Catalyst, Arista, Cisco wireless LAN controllers, Wave Division Multiplexing, Fiber Optics, DNS, DHCP, SNMP, IP helpers, ARP, CDP, LLDP, Linux, Windows
3w
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Network Administrator
Ann Arbor or Indianapolis or Flint or Denver or Austin
$75k-$90k/yr OnsiteFull Time
3+ YOE3+ years enterprise networking experience, hands-on with Fortinet/Cisco, knowledge of BGP/OSPF/STP, cloud networking (Azure/AWS), Windows Server/AD, and strong troubleshooting and communication skills.
Cisco IOS, FortiOS, Clavister OS, Cumulus, VMware vSphere, NSX, Azure, AWS, Windows Server, Active Directory, BGP, OSPF, STP, VoIP
4d
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ERS - Network Administrator
Austin, Texas, United States
$83k-$89k/yr OnsiteFull Time
4+ YOEAssociate degree or technical-school specialization plus experience, 3–4 years enterprise network administration, and 1 year supporting network security systems; Cisco and telecommunications experience preferred.
Unified Communications (UC), Virtual Private Networks, Cisco
3w
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Network Administrator
Ann Arbor or Indianapolis or Flint or Denver or Austin
$75k-$90k/yr OnsiteFull Time
3+ YOE3+ years enterprise networking experience; strong TCP/IP knowledge; experience with Cisco/Fortinet/Cumulus; BGP/OSPF/VLANs; Windows Server/AD; cloud networking; industry certifications preferred.
Fortinet, Cisco IOS, Fort iOS, Clavister OS, Cumulus, VMware vSphere, NSX, Azure, AWS, Windows Server, Active Directory
1mo
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Network Administrator III (WAN)
San Antonio, Texas, United States
OnsiteFull Time
7+ YOE7+ years network administration experience; HS diploma/GED; Security+ and CCNA required; CCNP/CCIE desired; experience with routers, switches, load balancers, WAN, SDN, IDS; US citizenship and current TS/SCI clearance.
SDN, IDS
2mo
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IT Systems & Network Administrator
Austin, Texas, United States
$45k-$48k/yr OnsiteFull Time
3+ YOEThree+ years in IT operations; help desk support; strong security and networking skills.
Microsoft Office, Active Directory, Office 365, Windows, Sophos, Intrusion detection, Server monitoring
1mo
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Network Administrator III (WAN)
San Antonio, Texas, United States
$100k-$105k/yr OnsiteFull Time
7+ YOE7+ years experience installing, configuring, troubleshooting, upgrading, patching, and hardening routers, switches, load balancers and consoles; IAT-II and CCNA required; active Top Secret/SCI clearance; SDN experience desired; must pass government background check.
routers, switches, serial consoles, load balancers, proxies, firewalls, servers, workstations, printers, Storage Area Networks (SAN), Software Defined Networking (SDN)
3d
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Sr. IT System & Network Administrator
Drummondville or Las Vegas or Reno or Moncton or Austin or Montreal or Atlanta
OnsiteFull Time
7+ YOEDEC or higher education in computer science or equivalent experience; 7+ years in complex systems and network administration; cloud, hybrid infrastructure, networking, security, automation, and project leadership; fluent French and English.
IaaS, PaaS, MFA, VPNs, Windows Server
1w
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Senior Network and Computer Systems Administrator
San Antonio, Texas, United States
OnsiteFull Time
7+ YOE3+ MgmtRequires 7–10 years of systems and network administration experience, 3+ years in a senior or lead role, enterprise virtualization expertise, DoD 8140 IAT certification, CE certification, scripting skills, and eligibility for security clearance.
VMware vSphere, vCenter, Storage Area Network (SAN), NAS, OSPF, BGP, Microsoft Windows Server, Active Directory, DNS, Group Policy, PowerShell
3mo
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Firewall/Network Security Administrator
San Antonio, Texas, United States
OnsiteFull Time
5+ YOE5+ years enterprise network security; DoD boundary protection; firewall/IDS/IPS; DCO; Top Secret/SCI clearance.
Firewalls, IDS/IPS, Load balancers, Web proxies
1mo
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Network Engineer
Miramar or Atlanta or Austin or Houston or Dallas or Orlando or Tallahassee or West Palm Beach or Fort Lauderdale or Phoenix or Charlotte
HybridFull Time
7+ YOEDesign, implement, operate, and maintain enterprise LAN/WAN/firewall/Wi‑Fi systems; 7+ years routing and switching and multi‑site network administration; 2+ years cloud networking; scripting and automation experience.
OSPF, BGP, BGP-EVPN, VxLAN, Palo Alto, Panorama, Arista, Cisco, 802.1x, RADIUS, Tacacs+, IPsec, ExpressRoute, Microsoft Azure Virtual WAN, AWS Direct Connect, Transit Gateway, NSGs, Azure Firewall, SNMP, NetFlow, syslog, Wireshark, Powershell, Ansible, Python, Bash, Terraform, Azure Resource Manager (ARM), Azure Network Watcher, AWS CloudWatch, VPC Flow Logs
3w
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Network Engineer
Austin or Texas
$45-$65/hr HybridContract, Full Time
Advanced network engineering skills including routing, switching, VLANs, VPNs, firewall administration, incident ownership, project leadership, security and AI enablement; required certifications and client-facing travel in Central Texas.
HaloPSA, NinjaOne, GoTo, Guardz, SentinelOne, Microsoft Copilot
2mo
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Network Engineer
Amsterdam or London or Chicago or Austin or New York City or Sydney or Shanghai or Hong Kong or Singapore or Taipei or Mumbai
OnsiteFull Time
10+ YOE10+ years experience designing, implementing and troubleshooting complex LAN/WAN and data center networks; hands-on Arista/Cisco experience, IaC, multi-zone firewalls, Unix administration, and international WAN management.
Arista, Cisco, Infrastructure as Code (IaC), Unix
1w
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Network Deployment Engineer
Austin or Atlanta or Denver or New York City or United States
$114k-$173k/yr HybridFull Time
2+ YOERequires 2+ years of data center or Linux administration experience, networking and hardware administration, configuration management, scripting, process improvement, communication, and project coordination skills.
Linux, Unix, Saltstack, Chef, Puppet, Ansible, Microsoft Excel, Google Sheets, JIRA, DCIM, Bash, Python, Go, Nginx, Varnish, HAProxy, Apache
3mo
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Systems Administrator
Aberdeen Proving Ground or Fort Belvoir or Huntsville or Austin or Tobyhanna Army Depot or Letterkenny Army Depot or Lakehurst
OnsiteFull Time
5+ YOE5+ years of systems administration; install, configure, maintain, troubleshoot OS, hardware, and network; perform backups and provide user support.
1w
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System Administrator
San Antonio or Boerne or Austin
FieldFull Time
4+ YOERequires an associate or bachelor's degree or equivalent experience, 4–6 years of IT administration experience, systems and networking expertise, virtualization knowledge, and scripting and automation experience.
Microsoft Windows Server, Active Directory, Azure AD, Microsoft 365, Microsoft Exchange, Microsoft SharePoint, Microsoft OneDrive, Microsoft Teams, Intune, VMware, Hyper-V, IT Glue, Kaseya BMS, Kaseya VSA
1w
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System Administrator
Austin, Texas, United States
$80k-$90k/yr OnsiteFull Time
2+ YOERequires 2–4 years of systems administration or IT infrastructure experience, Windows, Active Directory, Azure, virtualization, networking, cloud, monitoring, automation, and IT service management expertise.
Windows, Group Policy, Active Directory, Azure AD, Microsoft Azure, VMware, Hyper-V, VoIP, SolarWinds, PRTG, Splunk, PowerShell, Python, Ansible, Pulseway, AssetSonar, Microsoft Office 365, Zendesk, Asana
3mo
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Network Operator
San Antonio, Texas, United States
OnsiteFull Time
2+ YOEHigh School Diploma or GED; 2+ years in a Technology or NOC; 2+ years of Windows Server administration; on-site at Valero San Antonio.
Windows Server, PowerShell, VMware, OpenText Operations Bridge, Network Node Manager, SMAX, SCOM, Cisco routing/switching/UCS
1mo
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Server Administrator
Austin, Texas, United States
HybridFull Time
3+ YOE3+ years server administration experience; high school diploma required, bachelor’s preferred; knowledge of server hardware, Windows Server, VMWare ESXi, Active Directory, DNS, networking, patching, monitoring; participates in on-call rotation.
Microsoft Windows Server, VMWare ESXi, Microsoft Active Directory, DNS, Zabbix, Site24x7, Datadog, Tanium, BigFix, Microsoft Azure, Nutanix, Citrix, Red Hat Enterprise Linux
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