28 windows system administrator jobs at 17 companies in Gainesville, TX
6d
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Windows/Linux System Admin
Plano, Texas, United States
$69k-$131k/yr OnsiteFull Time
2+ YOEUniversity degree or equivalent experience plus 2+ years relevant experience, Windows/Linux administration, active Top Secret clearance, U.S. citizenship, and Active Directory, VMware vCenter, or vSphere experience.
Microsoft Windows, Red Hat Enterprise Linux, DNS, DHCP, Active Directory, RAID, Microsoft Windows Server, VMware vCenter, VMware vSphere, OpenShift, Kubernetes, Docker, Tanzu, Rancher, NAS, SAN, VMware ESX, Microsoft WSUS, SMECP, Microsoft Exchange, High Performance Computing (HPC), CompTIA Security+ CE
1d
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System Administrator
Denton, Texas, United States
HybridFull Time
3+ YOEBachelor's degree in a related field and three years of related computing experience, or equivalent education and experience. Requires technical support, hardware, software, and networking knowledge.
Windows, macOS, Linux, ServiceNow, JAMF, PowerShell, Power BI, AD, Amazon Connect, AI
2w
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IT System Administrator-Tier II 12p-8p M-F
Carrollton, Texas, United States
$60k-$110k/yr OnsiteFull Time
3+ YOEHigh school diploma or GED and 3 years of IT support or systems administration experience. Requires Windows, Microsoft 365, Microsoft Entra ID, Active Directory, Intune, Apple device, and network troubleshooting experience.
Windows, Microsoft 365, Microsoft Intune, Apple Business Manager, Microsoft Entra ID, Active Directory, Cisco Meraki, Remote Desktop Services, 3CX, Microsoft Excel
21h
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Systems Administrator
Coppell, Texas, United States
HybridFull Time
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
1mo
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IT Administrator II
Plano, Texas, United States
OnsiteFull Time
3+ YOE3+ years IT support/systems administration experience; manage Windows/Linux servers, AD, Group Policy, networking, endpoint management, NIST/CMMC compliance, and provide onsite user support.
Microsoft Outlook, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Windows Server, Active Directory, Group Policy, Linux, Hypervisor, Intune, SCCM, Microsoft 365, Azure, Azure Government, GCC High, VPN
1mo
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NSA Hybrid Technical Specialist
Dallas, Texas, United States
$64k-$119k/yr OnsiteFull Time
Bachelor’s in IT/CS or equivalent, system administration in hybrid on‑prem/cloud, Windows Server/Linux/virtualization, cloud platform experience, scripting (PowerShell/Bash/Python), networking fundamentals, and familiarity with NIST/RMF.
Windows Server, Linux, VMware, Hyper-V, AWS, Azure, GCP, Terraform, Docker, Kubernetes, SAN, NAS, PowerShell, Bash, Python, Ansible, Puppet, Chef, NIST, RMF
2w
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Systems Administrator
Addison, Texas, United States
OnsiteFull Time
3+ YOERequires 3+ years supporting or administering Windows servers and clients, MS Office support experience, and strong communication and customer service skills. Linux, Microsoft 365, MS SQL Server, and RMM experience preferred.
Microsoft Windows, Microsoft Office, Linux, Microsoft 365, Microsoft SQL Server, RMM, Exchange, PBX
3w
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Senior Systems Administrator-Mercedes-Benz Grapevine
Grapevine, Texas, United States
OnsiteFull Time
5+ YOEBachelor's in IT or related, minimum 5 years related experience, insurable driver's license, experience with Windows, Cisco networking, Cisco Webex, and AWS; designs and administers servers, networks, telephony, and security.
Microsoft Windows, Active Directory, Group Policy, DNS/DHCP, Cisco, Cisco Webex Calling, Webex Meetings, Amazon Web Services (AWS)
2mo
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Systems Administrator Engineer - Cloud & Automation
Milwaukee or Kansas City or Rolling Meadows or Naperville or Scottsdale or Raleigh or Jersey City or Newark or Norristown or Plano or Alpharetta or Sarasota or United States
$63k-$138k/yr HybridFull Time
7+ YOE7+ years in cloud, automation, and infrastructure engineering; IaC (Bicep/ARM/Terraform) for Azure; Microsoft Graph API and PowerShell expertise; experience with Azure services, Entra ID, Microsoft 365 automation; US work authorization required.
Bicep, ARM templates, Terraform, Microsoft Graph API, PowerShell, Microsoft Azure Automation, Microsoft Logic Apps, Microsoft Azure Functions, Microsoft Azure, Microsoft Entra ID, Microsoft 365, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint, Windows Server, Microsoft Active Directory, Group Policy, DNS, DHCP, IIS, Microsoft Fabric, Microsoft Power BI, Git, Azure DevOps, GitHub Actions, Infrastructure as Code (IaC)
1mo
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Supervisor, IT (31497)
Southlake, Texas, United States
$65-$80/hr OnsiteFull Time
4+ YOE4+ years technical support/systems administration experience; proficiency with Intune, Windows Server, Unix/Linux; pursuing systems administration certification (Microsoft or VMware); strong communication and customer-focused skills.
Intune, VMware, Microsoft, Windows Server, Unix, Linux
1w
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Senior Specialist - Architecture
Plano, Texas, United States
$120k-$140k/yr OnsiteFull Time
10+ YOE10+ years in systems administration and cloud architecture; expertise in AWS, Linux or Windows, scripting, automation, networking, security, monitoring, and infrastructure services.
Linux, Windows, Shell, Bash, PowerShell, Python, AWS, Oracle Cloud, EC2, EBS, S3, VPC, Direct Connect, CloudFormation, Chef, Puppet, Ansible, EKS, Terraform, IAM, Lambda, EFS, CloudTrail, CloudWatch, Storage Gateway
2w
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Level 2 IT Technician - RideNow Allen
Allen, Texas, United States
OnsiteFull Time
3+ YOERequires 3–5 years in IT support or systems administration, Windows, Google Workspace, Microsoft 365, networking, Active Directory, Group Policy, and ticket management expertise. Bachelor's preferred.
Windows, Google Workspace, Microsoft 365, TCP/IP, DNS, DHCP, VLANs, Cisco VoIP, Active Directory, Group Policy
1w
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Senior Technical Support Specialist
Sunnyvale or Frisco or Atlanta
HybridFull Time
3+ YOERequires 3+ years in technical support or system administration, networking and security expertise, troubleshooting skills, Windows, OSX, Unix/Linux, TCP/IP, routing, switching, and security product experience.
FortiGate, Windows, OSX, Unix/Linux, TCP/IP, IDS/IPS, VPN, KCS, AI tools
1d
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Sr. Engineer - Software Development Engineering
Plano, Texas, United States
OnsiteFull Time
4+ YOEBachelor’s degree or equivalent experience and 4–5+ years in system administration across Windows, Linux, or Unix, with automation, virtualization, cloud, scripting, containers, security, monitoring, and CI/CD expertise.
Windows, Linux, Unix, Ansible, Terraform, VMware, Hyper-V, Docker, Kubernetes, Prometheus, Grafana, ELK, Nutanix, AHV, AWS, Azure, Python, Bash, PowerShell, Datadog, Jenkins, GitLab CI, CircleCI, OPC UA, Modbus, PeopleSoft, Oracle
2mo
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Concentra Engineer II Systems
Addison, Texas, United States
OnsiteFull Time
5+ YOEBachelor's in Computer Engineering/Computer Science, 5+ years systems engineering experience with Windows Server, Active Directory, Linux, virtualization, cloud administration, scripting, monitoring, backup, and security compliance.
Microsoft Windows Server, Active Directory, AD FS, DNS, Linux, Microsoft 365, Microsoft Entra ID, Microsoft Exchange, Microsoft Exchange Online, Microsoft Intune, Microsoft Teams, Microsoft 365 Apps, Hybrid Active Directory, Citrix DaaS, Citrix, PowerShell, Python, Bash, Dynatrace, PRTG, SolarWinds, VMware, Azure, AWS, Microsoft OneDrive, Microsoft SharePoint Online, Dynamics 365, Graph
2w
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Office Aide I - 183 Days (2026-2027)
Fort Worth or Keller
$114-$134/day OnsiteFull Time
1+ YOEHigh school diploma or equivalent and one year of clerical, secretarial, or related office experience. Requires English proficiency, keyboarding, filing, communication, organization, and phone-system skills.
Microsoft Windows
1w
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Specialist II, Security - IAM
Addison, Texas, United States
OnsiteFull Time
3+ YOEBachelor's degree in Business Systems or Computer Science, or equivalent experience, plus 3+ years in multi-site information systems operations, security administration, and network monitoring.
Microsoft Active Directory, LDAP, SAML, SSO, MFA, AWS, Microsoft Azure, TLS, SSL, Python, Pearl, Microsoft Windows, OS X, iOS, Microsoft Excel
5d
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Cyber Security Specialist
Frisco, Texas, United States
HybridFull Time
2+ YOEBachelor’s degree or equivalent experience; 2–3 years in cybersecurity, information security, vulnerability management, systems administration, or related IT; vulnerability scanning and remediation experience required.
CVSS, CISA Known Exploited Vulnerabilities (KEV), Windows, Linux, Active Directory, Entra ID, TCP/IP, DNS, VPN, Azure, GCP, AWS, PowerShell, Python, Bash, REST APIs, SIEM
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