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1,079 system administrator jobs at 677 companies in Texas

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System Administrator
United States or Atlanta or Alabama or Arkansas or Florida or Georgia or Indiana or Kentucky or Missouri or New Jersey or North Carolina or Ohio or Oklahoma or South Carolina or Tennessee or Texas
$85k-$120k/yr HybridFull Time
Relatient
Relatient: Automated patient scheduling and engagement platform for healthcare.
9+ YOE9+ years system administration experience, Microsoft 365 and identity provider administration, ticketing and endpoint management experience, strong OS and networking skills, scripting and automation.
Microsoft Office 365, Exchange, OneDrive, SharePoint, JumpCloud, Azure Active Directory, Jira, ServiceNow, Windows, Mac, Linux, AWS
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3d
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System Administrator
San Antonio, Texas, United States
OnsiteFull Time
RealmOne
RealmOne: Provides advanced technology services for national security agencies.
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
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1d
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System Administrator
Dallas, Texas, United States
OnsiteFull Time
Beryllium InfoSec
Beryllium InfoSec: Provides secure cloud enclaves and compliance services for defense contractors.
3+ YOE3+ years IT support or systems administration experience; hands-on Azure and Microsoft 365/Intune experience; strong troubleshooting, communication, and security/compliance familiarity.
Azure, Microsoft 365, Microsoft Intune, Defender, SentinelOne, ServiceNow, SharePoint, Windows File Server
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6d
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System Administrator
Grand Prairie, Texas, United States
HybridFull Time
Cutter & Buck
Cutter & BuckNasdaq Stockholm: NEWW B: Designs and distributes premium sportswear and corporate promotional apparel.
5+ YOE5+ years system administration experience with M365/Azure, Active Directory, Windows/Linux servers, virtualization, networking, backup, endpoint management, and security; valid passport required for travel.
Active Directory, Microsoft 365, Azure, Windows, Linux, VMware, Meraki, Ansible, PowerShell, Intune, Autopilot, OneDrive, Exchange, Group Policy, MFA
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2mo
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System Administrator III
Dallas, Texas, United States
OnsiteFull Time
Southwest Transplant Alliance
Southwest Transplant Alliance: Manages the procurement and transport of organs for transplantation.
5+ YOEBachelor's in IT (or equivalent), 5+ years enterprise systems administration, 3+ years Hyper-V, Windows and Linux administration, backup/recovery, cloud/hybrid experience, PowerShell scripting, monitoring, and strong documentation/communication skills.
Microsoft Hyper-V, Microsoft Windows Server, Linux, Microsoft Azure, PowerShell, Active Directory, Group Policy
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1mo
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System Administrator (Hybrid)
Austin, Texas, United States
HybridFull Time
Sigma Information Group
Sigma Information Group: Delivers managed IT, cybersecurity, and cloud services to businesses.
1+ YOE1+ year system/network administration experience; bachelor\u0002s degree or equivalent IT management experience; knowledge of Windows Server, networking, Exchange, VMware, strong communication and customer-facing skills.
Microsoft Exchange, VMware, Hyper-V, Remote Desktop Services, Windows Server, Windows, Microsoft Office, SQL Server, Fortinet, Palo Alto, Active Directory, Group Policy, LAN/WAN, TCP/IP, DNS, DHCP, VPN, SMTP, Microsoft Azure, Microsoft Office 365, Amazon Web Services (AWS)
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System Administrator III
College Station, Texas, United States
$85k-$104k/yr OnsiteFull Time
College Station Independent School District
College Station Independent School District: Provides K-12 public education services in College Station, Texas.
2+ YOE2+ years system and server administration experience; knowledge of Microsoft server/Active Directory, virtualization, identity/access management, disaster recovery, programming skills, and ability to supervise and manage IT projects and teams.
Microsoft Active Directory, VMware vSphere, Microsoft Hyper V, Microsoft Server
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4w
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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
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2mo
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OT System Administrator
Austin, Texas, United States
OnsiteFull Time
LS Power
LS Power: Develops and operates North American power and energy infrastructure.
5+ YOE5+ years systems administration in regulated/mission-critical environments; Windows/Linux/VMware/NetApp experience; backup, SQL Server, identity management, NERC CIP familiarity; willingness for 24/7 on-call.
Windows Server, Linux, vSphere, ESXi, vCenter, NetApp, RSA, IBM BigFix, Veeam, Commvault, Splunk, AssurX, Symantec, Active Directory, Group Policy Objects (GPOs), Microsoft SQL Server, SharePoint, LaserFiche, Nessus Security Center, Tripwire Enterprise, Avigilon ACM, Remote Terminal Units (RTUs), FoxGuard
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2mo
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OT System Administrator
Austin, Texas, United States
OnsiteFull Time
LS Power
LS Power: Developer, investor, and operator of power and energy infrastructure.
5+ YOE5+ years systems administration in regulated/mission-critical environments; hands-on Windows and Linux, VMware, NetApp, enterprise backup (Veeam/Commvault), RSA, and Microsoft SQL Server; willingness to participate in 24/7 on-call rotation.
Windows Server, Linux, VMware vSphere, VMware ESXi, VMware vCenter, NetApp, Veeam, Commvault, RSA, Microsoft SQL Server, Splunk, Nessus Security Center, Tripwire Enterprise, IBM BigFix, Symantec Endpoint Security, Avigilon ACM, AssurX, FoxGuard, Active Directory, Group Policy Objects (GPOs), DNS, LaserFiche, Microsoft SharePoint
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Linux System Administrator
San Antonio, Texas, United States
OnsiteFull Time
Set of X
Set of X: Provides specialized engineering services for U.S. national security missions.
10+ YOE10+ years system administration experience supporting enterprise IT infrastructure; Linux administration, troubleshooting, performance monitoring, and systems implementation; TS/SCI clearance with polygraph required.
Linux
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1mo
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System Administrator - Senior
Beaumont, Texas, United States
OnsiteFull Time
DecisionPoint
DecisionPoint: Provides IT and cybersecurity services for federal government agencies.
8+ YOEActive Secret clearance, 8+ years supporting DoD or federal systems administration; experience with Windows Server, Active Directory, SCCM, virtualization, storage/backup, DISA STIGs, PowerShell, and compliance documentation; high school diploma required.
Windows Server, Active Directory, Group Policy, DNS, DHCP, SMTP, SCCM, VDI, iSCSI, NFS, DoD PKI, DISA STIGs, PowerShell
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5d
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Principal System Administrator
McKinney, Texas, United States
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOEActive transferable Top Secret clearance and U.S. citizenship required; typically 5+ years systems administration experience or 3+ with advanced degree; experience with Red Hat Enterprise Linux, Windows Server, virtualization, backup/recovery, and scripting; CompTIA Security+ CE within 6 months.
Red Hat Enterprise Linux, Active Directory, Microsoft WSUS, VMware, BackupExec, NetBackup, Windows, Linux, VMWare vCenter, vSphere, Splunk, ESX, PowerShell, Bash, Microsoft SCCM, Microsoft Exchange, NAS, SAN, High Performance Computing (HPC)
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2mo
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Senior System Administrator
Houston, Texas, United States
OnsiteFull Time
Foxconn Assembly
Foxconn AssemblyTaiwan Stock Exchange: 2317: Assembles electronics and computer hardware for global technology brands.
Senior IT System Administrator responsible for design, optimization, and security of enterprise infrastructure, virtualization, storage, and cloud; leadership in SOC/IT operations and automation.
Ansible, Terraform, Puppet, Chef, PowerShell, Python, Zabbix, Prometheus, Grafana, Datadog, Docker, Kubernetes, OpenShift, VMware vSphere, vCenter, ESXi, NSX, SAN, NFS, FC, MPIO
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1mo
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Senior System Administrator
San Antonio, Texas, United States
$34-$58/hr OnsiteFull Time
University Health
University Health: Provides comprehensive public healthcare and specialized hospital services.
6+ YOEBachelor's degree (or equivalent experience), 6+ years programming and system analysis experience, proficiency in one or more programming languages, experience with enterprise applications, databases, and operating systems listed, and ability to provide technical guidance and project management.
PeopleSoft, Lawson, ERP, IDX, Softmed, 3M, OnBase, Portal, Cerner Lab, Cerner Pharmacy, RIS, Eclipsys, Quavodex, Microsoft Office, Crystal, HIM, TCP/IP, FTP, ASP, Business Objects, Visual Basic, SQL, C++, Mumps, Microsoft SQL, Sybase, Oracle, Windows 2003, Windows Data Center, XP, UNIX, Cache
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1w
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System Administrator
Denton, Texas, United States
$52k/yr OnsiteFull Time
University of North Texas System
University of North Texas System: Provides comprehensive higher education and research in North Texas.
3+ YOEBachelor's degree plus 3 years related computing experience (or equivalent). Experience administering servers, disaster recovery, security patching, backups, and user support; ability to supervise and train staff.
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3w
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HPC System Administrator - Hybrid
Irving, Texas, United States
HybridFull Time
Caris Life Sciences
Caris Life SciencesNASDAQ: CAI: Provides molecular profiling and AI-driven precision medicine diagnostics.
3+ YOE3+ years Linux administration and 2+ years HPC experience; experience with job schedulers, parallel file systems, enterprise storage, high-speed networking, Bash/Python scripting, and data center hardware; on-call ability.
IBM LSF, Slurm, IBM Spectrum Scale (GPFS), Lustre, BeeGFS, NetApp E-Series, InfiniBand, Bash, Python, Microsoft Word, Microsoft Excel, Microsoft Outlook
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1mo
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Information Technology System Administrator
Hood River or Dallas
OnsiteFull Time
Trillium Engineering
Trillium Engineering: Designs and manufactures gimbal imaging systems for unmanned aircraft.
2+ YOEAssociate's or Bachelor's in IT (preferred) or equivalent experience; 2 years IT support/systems administration experience; working knowledge of Windows, macOS, Linux, Active Directory, Microsoft 365, endpoint protection, secure remote access; strong communication and problem-solving.
Windows, macOS, Linux, Active Directory, Microsoft 365
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2mo
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Intermediate System Administrator
San Antonio or Fort Meade
OnsiteFull Time
Semper Valens Solutions
Semper Valens Solutions: Provides systems engineering, software development, and technical support services.
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
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4d
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Tactical System Administrator
Austin, Texas, United States
$58k-$70k/yr OnsiteFull Time
University of Texas at Austin
University of Texas at Austin: Provides public higher education and conducts academic research.
2+ YOE2+ years system administration experience, Red Hat Linux and scripting knowledge, DoD 8570/CompTIA Security+ cert (or obtain within 6 months), willingness to obtain security clearance, class C driver's license, US citizenship.
Red Hat Enterprise Linux, MATLAB, Bash, C/C++, Python, Java, YAML, Shell, Ansible, git, Nessus, VMware, AWS
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