20 network administrator jobs at 18 companies in Pleasanton, TX
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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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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
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)
2mo
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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
5d
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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
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
3w
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IT Administrator
San Antonio, Texas, United States
OnsiteFull Time
2+ YOEAssociate degree preferred, 2+ years service desk and network support, MCP/A+/Network+ preferred, bilingual Spanish/English preferred, valid driver\u000fs license, proficiency with Microsoft Office and Adobe Acrobat.
Microsoft Outlook, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Adobe Acrobat
4d
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IT Site Administrator (Bilingual)
San Antonio or Vega Baja
OnsiteFull Time
4+ YOEAssociate degree in computer science or technical field, 4–6 years of system administration experience, bilingual English/Spanish fluency, and experience with Windows, networks, Microsoft 365, Active Directory, and IT hardware.
Microsoft Teams, Microsoft OneDrive, Microsoft Exchange, Microsoft SharePoint, Entra Admin, Active Directory, Intune, Microsoft 365, Windows, MSP360, Wasabi, AWS, 3CX, TCP/IP, DNS, DHCP, VPN, VLAN, VMware, Cisco Meraki, UNIFI, Endpoint Central
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Linux Administrator
San Antonio, Texas, United States
$125k-$135k/yr OnsiteFull Time
9+ YOETS/SCI clearance, 9+ years IT support experience, high school or equivalent, DoD 8140 IAT Level II (CompTIA Security+), RHEL and Ansible expertise, networking, scripting (Bash/Python), VMware and ELK experience.
RHEL, Red Hat Satellite, Hammer CLI, PXE, DHCP, TFTP, Ansible, Bash, Python, Elasticsearch, Kibana, Logstash, Beats, VMware Horizon, vCenter, vSphere, ESXi
2mo
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2026-2027 - Network Registrar - San Antonio, TX
San Antonio, Texas, United States
$36k-$48k/yr FieldFull Time
High school diploma/GED required; associate's degree or relevant certification preferred. Prior experience with student information systems preferred. Strong organization, data entry, confidentiality, and bilingual (Spanish) communication preferred.
3d
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IT Specialist (Systems Administration/ Network Operations)
Kelly Air Force Base, Texas, United States
$33-$38/hr OnsiteFull Time
Experience configuring firewalls and network operating systems; supporting WAN, LAN, and storage networks; using SQL or DML; troubleshooting network performance; training technicians; and recommending hardware upgrades.
Cisco, Juniper, McAfee, Windows Server, VMware, Unix, z/OS, Structured Query Language (SQL), Data Manipulation Language (DML), WAN, LAN, Cat5, Cat6, virtualization, cloud computing
3d
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IT Specialist (Systems Administration/ Network Operations)
Kelly Air Force Base, Texas, United States
$33-$38/hr OnsiteFull Time
Experience administering firewalls, network operating systems, SAN/LAN/WAN networks, database query languages, network testing, customer support, technical communication, training, and troubleshooting. No education substitution.
Cisco, Juniper, McAfee, Windows Server, VMware, Unix, z/OS, Structured Query Language (SQL), Data Manipulation Language (DML), WAN, LAN, SAN, Cat5, Cat6, virtualization, cloud computing
2mo
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Systems Engineer / System Administrator for Managed Service Provider
San Antonio, Texas, United States
OnsiteFull Time
5+ YOEBS in CS/Engineering or 5+ yrs exp; extensive PC ops knowledge; experience with monitoring/automation; experience with firewall, cloud, networking, SQL, and Windows Server.
Sophos Firewall, Meraki Firewall, Office 365, Microsoft 365, Azure Virtual Desktop, RDS, SQL Server, Windows Server
1d
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Analyst I, Falcon Complete (Hybrid, San Antonio)
San Antonio or United States
$85k-$120k/yr HybridFull Time
Incident response, forensic analysis, systems administration, network and malware analysis, remediation, programming, AI technology use, project management, and technical cybersecurity communication skills.
Windows, Mac, Linux, C, C#, VB, Python, Perl, Ruby on Rails, .NET, AI
4d
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Help Desk III
San Antonio, Texas, United States
OnsiteFull Time
AutoSavvy: Retailer specializing in branded title used vehicles and inspections.
5+ YOERequires 5–10 years in IT support, system administration, or network management; associate or bachelor's degree or equivalent; Windows, Azure, Office 365, Intune, Entra, and security knowledge; active driver's license.
Windows, iOS, Microsoft Azure, Group Policy, Microsoft Office 365, Microsoft Intune, Microsoft Entra, Copilot, ChatGPT, Cisco Meraki
1mo
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Low Voltage Project Manager
San Antonio, Texas, United States
FieldFull Time
5+ YOE5+ years managing low-voltage or commercial technology projects; PMP preferred; strong budgeting, scheduling, contract administration, and technical knowledge of structured cabling, fiber, CCTV, access control, AV, and network infrastructure; valid driver's license.
Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft Project
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Cyber Range Engineer - Cloud/DevOps
San Antonio, Texas, United States
OnsiteFull Time
3+ YOETS/SCI clearance and IAT Level II required, BA/BS preferred, 3+ years experience preferred. Experience with IaC (Terraform, Ansible, Git, Packer), Windows/Linux administration, virtualization (VMWare/XEN), networking (Cisco, VyOS, PFSense) and security tooling.
Terraform, Ansible, Git, Packer, Cisco, VyOS, PFSense, Windows 10, Windows 11, Linux, MECM, ACAS, Tanium, Splunk, AI, PowerShell, bash, VMWare, XEN, PCTE, MDE
1mo
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Defensive Counter Cyber - DCC
San Antonio or San Antonio
OnsiteFull Time
5+ YOEActive TS/SCI clearance, DoD 8570 IAT Level III (CND), 5+ years cyber experience, BA/BS or MA/MS, expertise in OS administration, network analysis, incident response, forensics, Wireshark, Snort, EnCase/FTK, and MITRE ATT&CK.
Windows, Unix, Linux, Wireshark, Snort, EnCase, EnCase Enterprise, FTK, MITRE ATT&CK, Virtual Machine (VM)
2mo
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Senior Analyst, Information Security
San Antonio or Dallas or Maryville or Cincinnati
OnsiteFull Time
5+ YOEBachelor's in IT/security, 5+ years IT security experience (including 3+ years network/system administration), SIEM and endpoint protection expertise, vulnerability management, incident response, MITRE ATT&CK knowledge, SDLC and application security, containerization and DevSecOps, AWS familiarity, authorized to work in the U.S.
Rapid7, Sentinel, AWS, SIEM, IDS/IPS, Endpoint Protection, DLP, MFA, SSO, MITRE ATT&CK, SDLC
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