50 windows systems administrator jobs at 35 companies in Blanco, TX
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Windows Systems Administrator II
Austin, Texas, United States
$58k-$70k/yr OnsiteFull Time
2+ YOEHS/GED and 2+ years IT support experience including Windows system administration, Active Directory, DNS/DHCP, Windows Server 2016/2019/2022, vulnerability scanning (e.g., Nessus), SIEM (Splunk), PowerShell/Python scripting, familiarity with NIST/CMMC/ISO frameworks; US citizenship and security investigation required; must obtain DoD 8570.1/8140 IA...
NIST 800-171, CMMC, ISO 27001, Nessus, Splunk, SIEM, Active Directory, DNS, DHCP, CIFS/SMB, NAS, SAN, Windows Server 2016, Windows Server 2019, Windows Server 2022, PowerShell, Python, VBScript, VMware, Proxmox, Hyper-V/VMM, Salt, Ansible, Puppet, ServiceNow, Microsoft SCCM/MECM, GPOs, Microsoft WDS/MST, Microsoft Intune, Jamf, Kubernetes, Docker, Podman, Subversion, GIT, Microsoft IIS, Microsoft MSSQL, Oracle
3d
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Windows Systems Administrator
San Antonio, Texas, United States
OnsiteFull Time
5+ YOERequires 5+ years of Windows systems administration, DISA STIG hardening, VMware and SAN familiarity, a related bachelor's degree, Microsoft certification, and U.S. citizenship for government investigation.
Microsoft Windows, DISA STIGs, VMware, SAN, Active Directory, Group Policy, Red Hat Linux, Scrum, Lean Startup, XP, Microsoft MCSE, Microsoft MCSA, LAN, WAN
1w
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Windows System Engineer
Atlanta or Austin
$110k-$120k/yr OnsiteFull Time
4+ YOERequires 4–7 years supporting enterprise Windows environments, with expertise in Windows Server, Active Directory, Microsoft 365, Intune, endpoint patching, troubleshooting, and customer support.
Windows Server, Active Directory, Microsoft 365, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Microsoft Entra ID, Microsoft Intune, Windows 10, Windows 11, Windows Server Update Services (WSUS), ManageEngine Endpoint Central, NinjaOne, Action1, PowerShell, VPN, MCSA, Azure Administrator, Endpoint Administrator, ITIL Foundation
2w
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Windows Systems Administrator and Vulnerability Management Coordinator
Kansas City or San Antonio or Idaho Falls
OnsiteFull Time
6+ YOE6+ years experience supporting Windows Server and hybrid cloud environments with PowerShell and Ansible; ability to obtain Public Trust; experience with Active Directory, VMware, Azure, and vulnerability remediation.
VMware vSphere, Azure Monitor, Azure Update Management, Defender for Cloud, Azure VMware Solution (AVS), Microsoft Azure, Active Directory, DNS, DHCP, Group Policy, PowerShell, Ansible, GitLab, Carbon Black, CyberArk, Defender, Remedy, ServiceNow, AWS, GCP
3mo
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Systems Administrator
San Antonio, Texas, United States
OnsiteFull Time
2+ YOEExperience with Windows and Linux server operations, sustainment, and management; DoD SECRET clearance; 2 years related experience; Bachelor or Master degree with related experience.
Windows Server, Linux (Red Hat Enterprise Linux), VPN, Active Directory, SCCM, SQL, MySQL, SELinux, DNS, VMware, ESXi, vCenter, vSphere, Networking devices, Firewall
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Systems Administrator
San Antonio, Texas, United States
OnsiteFull Time
4+ YOE4+ years implementing and supporting Active Directory/GPO, experience with BitLocker, backup/DR, virtualization, PowerShell, Windows and Linux; must hold valid Texas driver license and be able to drive company vehicle.
PowerShell, Active Directory, GPO, Azure, VMware, vSphere, Okta, Veeam, Event Collection, Remote Desktop Services, Citrix, BitLocker, Windows, Linux, RIS, PACS, Mirth, Qvera, MEDQ, NAS/SAN, UPS
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Systems Administrator
San Antonio, Texas, United States
OnsiteFull Time
4+ YOE4+ years implementing/supporting Active Directory and Group Policy, intermediate PowerShell, advanced Windows, intermediate Linux, 2+ years virtual infrastructure preferred, HS required, TX driver license required.
PowerShell, Windows Desktop, Windows Servers, Linux, Active Directory, GPO, Azure, VMware, vSphere, Okta, Veeam, Event Collection, Remote Desktop Services, Citrix, BitLocker, Domain Management, RIS, PACS, Mirth, Qvera, MEDQ, NAS, SAN, UPS
2w
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Systems Administrator II
San Antonio, Texas, United States
OnsiteFull Time
3+ YOEActive TS/SCI clearance, Bachelors or equivalent in IT-related field, CASP+/SecurityX/PMP/CAPM/Project+, 3+ years administering enterprise Windows/Linux, AD, virtualization, patching, backup, and endpoint support.
Windows, Linux, VMware, Active Directory, Group Policy, PowerShell, Bash, DISA STIGs
2mo
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IT Systems Administrator
Kermit or Monahans or Austin
OnsiteFull Time
2+ YOE2+ years desktop and production server administration experience; Windows Server, virtualization (VMware/Hyper-V), storage (DAS/NAS/SAN), networking (routers/switches/firewalls/VPN), Linux/Apache/PHP, Office 365/Azure, scripting, ability to work indoors/outdoors, travel and on-call availability.
Microsoft Office 365, Microsoft Azure, VMware, Hyper-V, DAS, NAS, SAN, HP, Dell, Network Appliance, EMC, Linux, Apache, PHP, Routers, Switches, Firewalls, VPN, Active Directory, ERP, Business Intelligence, Microsoft Exchange, Microsoft Windows Server
1w
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Principal Cyber Systems Administrator (TG)
Annapolis Junction or San Antonio or Aurora or Cary
$99k-$155k/yr OnsiteFull Time
5+ YOEActive TS/SCI with polygraph, HS+10yrs or Bachelor's+5yrs, experience implementing/troubleshooting/maintaining IT systems, Tier1/2 support, UNIX and Windows administration, system monitoring and capacity planning.
UNIX, Windows
1w
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Telecommunications Systems Administrator Sr
Austin, Texas, United States
OnsiteFull Time
9+ YOE9+ years systems design/administration in UNIX/Windows with 5+ years supporting high-availability systems; experience with P25/OpenSky, private LTE, Ericsson platforms; vendor certifications preferred.
P25, OpenSky, Private LTE, Unified Administration (UAS), ENM, One Layer, Ericsson Security Manager
3d
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TCEQ - Systems Administrator IV
Austin, Texas, United States
$6k/mo OnsiteFull Time
4+ YOEBachelor's degree in information technology or related field plus 4 years' experience, or alternative education and experience combinations. Requires 2 years as a systems administrator in a multiplatform environment.
Windows, Windows Server, UNIX, Linux, Novell
1w
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Telecommunications Systems Administrator Sr
Austin, Texas, United States
HybridFull Time
9+ YOENine+ years in systems design/installation/admin in UNIX/Windows with 5+ years supporting high-availability systems; experience with P25/OpenSky and Ericsson private LTE; vendor certifications preferred.
P25, OpenSky, Unified Administration (UAS), ENM, One Layer, Ericsson Security Manager, UNIX, Windows
2mo
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Enterprise Systems Administrator
Atlanta or Austin or Houston or Dallas or Miramar or Orlando or Tallahassee or West Palm Beach or Fort Lauderdale or Phoenix or Charlotte
HybridFull Time
5+ YOEManage Windows servers and cloud platforms; monitor security; patch management; SCCM/SCOM; AD/Entra ID; on-call; hybrid work.
Microsoft Windows, Azure, Active Directory, Entra ID, SCOM, SCCM, PowerShell, Linux, MacOS, IIS, SharePoint, SQL, Networking (TCP/IP, DNS, DHCP)
1w
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Principal Cyber Systems Administrator (TG)
Annapolis Junction or San Antonio or Aurora or Cary
$99k-$155k/yr OnsiteFull Time
5+ YOETS/SCI with Polygraph required, HS+10yrs or Bachelor's+5yrs experience, experience administering UNIX/Windows, Tier 1/2 support, troubleshooting, system optimization, and user assistance.
UNIX, Windows
6d
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Systems Admin – Infrastructure & AI Platforms
Austin, Texas, United States
OnsiteFull Time
5+ YOERequires 5+ years of systems administration experience, including Windows Server, virtualization, backup, automation, and cloud services, plus 1 year supporting AI technologies; bachelor's degree or equivalent experience.
Windows Server, VMware ESXi, Azure, Azure virtual machines, Dell KACE, MECM, WSUS, Intune, Azure Arc, Veeam, PowerShell, Python, Microsoft 365, Cisco Meraki, Umbrella, ISE, OpenAI, Claude, Microsoft Copilot, Google Gemini, Microsoft Power Platform, Power Automate, Azure Logic Apps, Model Context Protocol (MCP), APIs, Active Directory, Group Policy, DNS, DHCP, PKI, XDR, MDR, ATP, Veeam
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
1w
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System Administrator
San Antonio, Texas, United States
OnsiteFull Time
5+ YOE5+ years systems administration experience preferred, bachelor\u0002s in a technical discipline, active security clearance with polygraph, ability to manage UNIX/Windows systems, Tier 1/2 support and troubleshooting.
UNIX, Windows
6d
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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
2mo
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Systems Engineer
Austin, Texas, United States
HybridFull Time
4+ YOE4+ years in system administration/engineering; strong Windows Server, Azure/AWS, 365 stack; scripting (PowerShell/Python); basic networking; client-facing communication.
VMware, Windows Server, Linux, Azure, AWS, Microsoft 365, Exchange Online, Intune, SharePoint, Entra, Teams, Policies and Conditional Access, PowerShell, Python
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