28 windows system administrator jobs at 21 companies in San Antonio, TX
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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
1mo
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System Administrator – Journeyman
San Antonio, Texas, United States
$85k-$100k/yr RemoteFull Time
ASM ResearchNYSE: ACN: Provides IT and healthcare services to government agencies.
4+ YOEBachelor's (or equivalent) and 4+ years system administration experience; Windows/Linux server management, monitoring, patching, backups, automation with PowerShell/Bash/Python; active Secret clearance and US citizenship required.
Nagios, Splunk, CloudWatch, PowerShell, Bash, Python, VMware, AWS, Azure, Ansible, Terraform
2mo
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Red Hat Linux System Administrator
San Antonio, Texas, United States
OnsiteFull Time
Windows and Linux system administration; hardware/software management; patching and security; accreditation docs OV1-OV3; vulnerability scanning; CLI proficiency.
Red Hat Linux, Windows Server, STIG, SCAP, SIEM, HIDS, NIDS
3mo
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Intermediate System Administrator
San Antonio or Fort Meade
OnsiteFull Time
10+ YOE10+ years IT systems administration on Windows and Linux; AWS maintenance; Kubernetes; Docker; Terraform; Helm; Ansible; CI/CD; GitLab; Kustomize; IAT Level II; Security+; CISSP; TS/SCI eligibility
Kubernetes, Docker, AWS, Azure, Google Cloud, Linux, Windows, Helm, Terraform, Ansible, Vault, CI/CD, GitLab, Kustomize
2mo
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System Administrator
San Antonio, Texas, United States
$110k-$127k/yr OnsiteFull Time
4+ YOEBachelor's in computer-related field and 4+ years' experience; active TS/SCI clearance required; experience with Linux/RHEL, Kubernetes/Open Shift, SAN/NAS, Windows Server, HPC; CompTIA Security+ CE and RHCSA certifications preferred; able to support on-call/shift work and TDY.
Linux/RHEL, Kubernetes, Open Shift, NAS/SAN, Windows Server, Active Directory, DNS, application servers, database server, mail servers, High-performance computing (HPC)
1w
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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
5d
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Senior System Administrator
San Antonio, Texas, United States
$34-$58/hr OnsiteFull Time
6+ YOEBachelor’s degree in a relevant field or equivalent experience, six years of programming and systems analysis experience, and proficiency in a computer system language and data management methodology.
ERP, PeopleSoft, Premier, UKG Dimensions, 3m, Hyland OnBase Document Management, API, Dell Boomi, Tableau, SQL, Microsoft SharePoint, Adobe Products, Microsoft Office, HIM, TCP/IP, FTP/SFTP, Globalscape, ASP, Web Development, Business Objects, Visual Basic, C++, Microsoft SQL Server, Oracle, Cache, Windows, UNIX
3w
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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
1w
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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
2w
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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
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
1mo
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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
1mo
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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
3w
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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
2w
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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
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
21h
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IT Cybersecurity - Mission Systems Administrator / Signature Reduction Silo Tech
San Antonio, Texas, United States
$103k-$134k/yr OnsiteFull Time
U.S. citizenship; ability to obtain Top Secret/SCI clearance, pass a possible counterintelligence polygraph and drug test, and obtain Information Assurance certification within six months. Requires systems, network, operating system, and troubleshooting expertise.
Linux, Windows, Cloud, Network Administration
16h
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Lead IT Systems Engineer - Public Sector
San Antonio or United States
$106k-$155k/yr RemoteFull Time
3+ YOERequires Top Secret and current SCI clearance, DoD 8570 IAT Level II or higher, IT degree plus 3 years or 7 years applicable experience, and Windows, Linux, network security, and systems administration expertise.
Microsoft Windows, Red Hat Linux, McAfee EPO, SQL, SolarWinds, Microsoft SharePoint, Microsoft Exchange Server, ACAS, DoD STIGs, Sun Solaris, Cisco, Juniper
2mo
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VCF Platform Engineer 1
Omaha or Saint Louis Park or Denver or Englewood or Orlando or Kansas City or Albuquerque or Portland or Salem or Pittsburgh or Austin or Dallas or Fort Worth or San Antonio or Vienna or Olympia or Columbia or St. Paul or Harrisburg or Pennington or Woodcliff Lake or Phoenix or Folsom
OnsiteFull Time
3+ YOEMinimum 3 years in infrastructure operations/virtualization or systems administration; hands-on VMware vSphere and ESXi host/cluster management; Linux and Windows Server administration; scripting/automation with PowerCLI, Python, or Ansible; familiarity with IaC and datacenter concepts.
SDDC Manager, vSphere, vSAN, NSX, PowerCLI, Python, Ansible, ESXi, Linux, Windows Server
1w
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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
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