2,058 systems administrator jobs at 1,113 companies in Texas

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Systems Administrator
Gonzales, Texas, United States
OnsiteFull Time
Gonzales Independent School District
Gonzales Independent School District: Growing Greatness - Every Student, Every Staff Member, Every Mile - We Ride Together
2+ YOEBachelor’s degree in computer science or management information systems, or equivalent experience; two years of system administration and network maintenance experience; advanced Active Directory and scripting experience.
Active Directory, Transmission Control Protocol/Internet Protocol (TCP/IP), User Datagram Protocol (UDP), Simple Network Management Protocol (SNMP)
2w
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Systems Administrator
Fort Worth, Texas, United States
$85k/yr OnsiteFull Time
National Farm Life Insurance Company
National Farm Life Insurance Company: Texas-based life insurer offering participating whole-life and term-life policies with dividends for policyholders.
5+ YOEAssociate or bachelor's degree in IT or related field preferred; 5+ years systems administration experience preferred; relevant certifications a plus; prolonged sitting and computer work.
1w
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Systems Administrator
San Antonio, Texas, United States
$64k-$87k/yr OnsiteFull Time
VIA Metropolitan Transit
VIA Metropolitan Transit: Government transit authority providing bus, paratransit, vanpool, and multimodal transportation services across metropolitan San Antonio.
3+ YOEBachelor's degree in Information Systems, Computer Science, or related field and 3+ years systems administration experience (experience may substitute for education); knowledge of Windows Server, Active Directory, DNS, Group Policy, Hyper-V, PowerShell, TCP/IP, and enterprise storage; ability to lift 75 lbs.
Windows Server, Active Directory, DNS, Group Policy, Microsoft Hyper-V, PowerShell, TCP/IP, Azure, Microsoft 365, Zerto, Rubrik, Pure Storage
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Systems Administrator
San Antonio, Texas, United States
OnsiteFull Time
SWBC
SWBC: Privately held U.S. financial services serving individuals, businesses, and financial institutions with insurance, mortgages, investments, and technology.
2+ YOEAssociate's degree in Business Technology, MIS, or related field or equivalent experience; 2+ years Windows Systems Administration; strong troubleshooting skills; ability to lift 10-20 lbs; local travel; on-call rotation.
Nutanix, VMware vSphere, SolarWinds Orion, Microsoft Windows, Active Directory, DNS, DHCP, IIS, Microsoft Word, Microsoft Excel
2mo
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Systems Administrator
Coppell, Texas, United States
HybridFull Time
Fulgent Therapeutics LLC
Fulgent Therapeutics LLC: Private U.S. biotechnology developing cancer therapeutics and providing genomic testing services.
3+ YOEAssociate degree or equivalent experience; 3–5+ years enterprise systems administration; Windows Server, Active Directory, Microsoft 365, Entra ID, Intune, PowerShell, Azure, AWS, Linux, backup, and monitoring experience.
Windows Server 2019/2022/2025, Hyper-V, Active Directory Domain Services, DNS, DHCP, Group Policy, Microsoft Entra ID, Entra Connect, MFA, SSO/SAML, Microsoft 365, Exchange Online, Microsoft SharePoint Online, OneDrive for Business, Microsoft Teams, Microsoft Intune, Microsoft Configuration Manager (SCCM), Autopilot, Azure, AWS, EC2, S3, IAM, Linux, RHEL, Rocky Linux, PowerShell, Microsoft Graph, Microsoft Copilot, HIPAA, CLIA, CAP, Bash, Python
2w
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Systems Administrator
Houston, Texas, United States
FieldFull Time
Solaris Energy Infrastructure
Solaris Energy InfrastructureNYSE: SEI: Public U.S. power infrastructure providing generation, distribution, and logistics solutions for energy and data-center customers.
4+ YOEBachelor's degree in IT or related field or equivalent experience; 4+ years systems administration; Microsoft 365, Entra ID, Intune, PowerShell; networking knowledge; valid driver's license; ability to travel up to 50% and lift 50 lbs.
Microsoft 365, Exchange Online, SharePoint, OneDrive, Teams, Entra ID, Microsoft Intune, Mimecast, Cisco Meraki, Crowdstrike, PowerShell, Logitech
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Systems Administrator
White Settlement, Texas, United States
$81k-$99k/yr OnsiteFull Time
Education Service Center Region 11
Education Service Center Region 11: Supporting North Texas school districts with educational services and resources.
5+ YOEAssociate degree or equivalent experience; 5 years systems administration experience preferred; strong Windows Server, Linux, Microsoft Entra ID, Intune, virtualization, backup, and scripting skills; valid driver's license; citizenship, residency, or work visa required.
Microsoft Windows Server, DNS, DHCP, IIS, PowerShell, Microsoft Entra ID, Microsoft Intune, VMware, Apache, GitLab
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Systems Administrator
Frisco, Texas, United States
OnsiteFull Time
Dallas Stars
Dallas Stars: NHL ice hockey team serving Dallas–Fort Worth fans, with minor-league hockey and managed ice and multisport facilities.
3+ YOEDegree in IT or equivalent; 3+ years enterprise systems administration and networking; strong experience with Active Directory, Azure AD, Windows Server, Linux, macOS, virtualization, Fortinet/Cisco, storage, PowerShell; ability to work nights, holidays, weekends and travel within DFW.
Windows Server, Linux, Windows Desktop, macOS, DHCP, DNS, TCP/IP, VPN, Active Directory, Microsoft Entra ID, Microsoft 365, Hyper-V, VMware, containerd, CRI-O, Docker, Kubernetes, Fortinet, Cisco, SAN, NAS, PowerShell, Intune, 802.1x, EAP-TLS, BGP, RIP, OSPF
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Systems Administrator I
Houston, Texas, United States
OnsiteFull Time
First Community Credit Union
First Community Credit Union: Member-owned, nonprofit credit union providing banking, lending, and financial planning to Texas communities.
3+ YOEAssociate's degree in IT, computer science, or related field; 3 years of IT infrastructure or systems administration experience; hands-on system configuration and maintenance; CCNA preferred; rotational Saturdays required.
2mo
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Systems Administrator
Houston, Texas, United States
HybridFull Time
Oceaneering
OceaneeringNYSE: OII: Global provider of engineered products and services.
10+ YOEBachelor's degree in computer science or equivalent; 10+ years of enterprise Linux administration, plus scripting, virtualization, data structures, containers, patch distribution, networking, and security experience.
Ubuntu, Red Hat, Bash, Python, PowerShell, Ansible, Puppet, Kickstart, vSphere, Azure, XML, JSON, YAML, WQL, AKS, Docker, Kubernetes, Entra, Active Directory, Microsoft 365
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Systems Administrator
Stanton, Texas, United States
OnsiteFull Time
Martin County Hospital District
Martin County Hospital District: Government hospital district operating a rural critical-access hospital, clinics, EMS, and home health services for Martin County residents.
3+ YOEAssociate degree in an IT-related field required; bachelor's preferred. Requires 3–5 years with VMware vCenter, ESXi, and Microsoft Server 2012+, plus Microsoft 365 administration experience.
VMware vCenter, ESXi, Microsoft Server 2012, Linux server, Microsoft 365, Microsoft 365 Administrator
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Systems Administrator
Waco, Texas, United States
$70k-$75k/yr HybridFull Time
Baylor University
Baylor University: Private Christian research university based in Wa, Texas.
1+ YOEBachelor's degree and 1+ year relevant experience; hands-on experience in two of: VMware, Azure/AWS/Google Cloud, Microsoft 365, Windows/Linux server administration; U.S. work authorization required.
VMware vSphere, VMware ESXi, VMware VCF, VMware NSX, Microsoft Azure, Amazon Web Services, Google Cloud Platform, Microsoft 365, Windows Server, Linux Server, Microsoft Power Platform, Active Directory, Entra ID
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Sr Systems Administrator
Houston, Texas, United States
OnsiteFull Time
TransCore
TransCore: Transportation technology providing tolling, intelligent transportation, RFID, and traffic-management systems to government agencies and private firms.
15+ YOE15+ years of systems administration experience, associate degree or equivalent, advanced Windows, Active Directory, Hyper-V, failover clustering, storage, networking, security, and scripting expertise.
Active Directory, DNS, DHCP, TCP/IP, PowerShell, Hyper-V, Microsoft Failover Clusters, Palo Alto, Cisco, Windows Server, WSUS, Microsoft System Center, SolarWinds, CrowdStrike, Dell Storage
2mo
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Systems Administrator Lead
Oklahoma City or Midland or Texas
OnsiteFull Time
Diamondback Energy
Diamondback EnergyThe Nasdaq Global Select Market: FANG: Public independent oil and natural gas developing unconventional onshore reserves in the Permian Basin.
10+ YOERequires 10 years of IT infrastructure and systems administration experience, or 8 years plus a bachelor's degree, with enterprise infrastructure leadership and expertise in cloud, security, virtualization, storage, and identity.
Azure, Microsoft 365, ITIL, Zero Trust, E-Verify
4w
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Systems Administrator III
Houston, Texas, United States
OnsiteFull Time
Gene by Gene
Gene by Gene: Private Houston genetic testing laboratory serving consumers, clinicians, researchers, and paternity-testing customers.
7+ YOE7+ years progressive systems administration experience with senior-level Tier 3 ownership; advanced Windows Server and Linux administration; Active Directory/Entra ID, Microsoft 365, Azure/AWS; virtualization, networking, backup/DR; bachelor's degree in CS/IT or equivalent; travel in Houston area.
Windows Server, Linux, Microsoft 365, Azure, AWS, Active Directory, Entra ID, VMware, Hyper-V, PowerShell, Bash, Python, TCP/IP, DNS, DHCP, VLAN, VPN, firewalls
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Systems Administrator
Westlake, Texas, United States
OnsiteFull Time
Goosehead Insurance
Goosehead InsuranceNASDAQ: GSHD: Personal lines insurance agency and franchise network.
3+ YOEBachelor's degree in IT, Computer Science, or related field; 3-5 years enterprise infrastructure administration; experience with Windows Server, Active Directory, Microsoft 365, Entra ID, virtualization, and cloud platforms; PowerShell scripting preferred.
Windows Server, Active Directory, Microsoft Entra ID, Microsoft 365, Microsoft Azure, VMware vSphere, Hyper-V, PowerShell
3w
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SYSTEMS ADMINISTRATOR
Addison, Texas, United States
OnsiteFull Time
StrideCare
StrideCare: Private Texas multi-specialty physician group providing vascular, podiatry, and wound care for lower-extremity patients.
Experience with Active Directory, Azure/Entra ID, Microsoft 365, Windows server administration, virtualization, and foundational networking; ability to sit for extended periods, lift up to 20 lbs, and travel 25% for clinic builds or acquisitions.
Active Directory, Microsoft Azure, Microsoft 365, Microsoft Exchange Online, Microsoft SharePoint, Microsoft OneDrive, Windows Server, Ubiquiti
5d
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Systems Administrator (Remote)
United States or Austin or Dallas or Atlanta or Chicago or Seattle
$75k-$110k/yr RemoteFull Time
EdgeQ Technologies Private Limited
EdgeQ Technologies Private Limited: A private U.S. staffing and recruitment firm connecting IT, healthcare, and other professionals with employers.
2+ YOE2-4 years systems administration experience; Python scripting; statistical concepts; ML frameworks (TensorFlow, PyTorch, scikit-learn); Windows/Linux; networking fundamentals; U.S. residency required.
Python, TensorFlow, PyTorch, scikit-learn, Windows, Linux, DNS, TCP/IP, AWS, Microsoft Azure, Google Cloud, Docker, Kubernetes, Git, CI/CD
2w
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Senior Systems Administrator
Austin, Texas, United States
OnsiteFull Time
Scale Computing
Scale Computing: Private edge-computing and hyperconverged-infrastructure serving enterprises with managed networking and virtualization solutions.
7+ YOE7+ years systems administration experience including 3+ in senior/lead role; expertise with Windows Server, Linux, virtualization, Active Directory, cloud platforms, scripting, networking, backup/DR; bachelor's degree or equivalent.
Windows Server, Linux, VMware, Hyper-V, KVM, Active Directory, Entra ID, Azure AD, DNS, DHCP, Group Policy, AWS, Azure, GCP, PowerShell, Bash, Python, TCP/IP, VLANs, firewalls, VPN, load balancing