145 windows administrator jobs at 110 companies in Celina, TX
1mo
Save
Mark Applied
Hide
L2 Cloud / Virtual OS Administrator (Windows/Linux)
Dallas, Texas, United States
OnsiteFull Time
7+ YOEBachelor's degree and 7+ years OS administration experience (Windows/Linux) with cloud/hybrid, AD/GPO, virtualization, patching, scripting (PowerShell/Shell), and EMR/ITSM familiarity.
Windows Server, RHEL, CentOS, Active Directory, Group Policy, IAM, VMware, Hyper-V, AWS, Azure, PowerShell, Shell scripting, ServiceNow
1mo
Save
Mark Applied
Hide
Office Administrator
Childress or Texas or Amarillo or Dallas or Fort Worth or Houston or Lubbock or San Antonio
$45k-$60k/yr OnsiteFull Time
1+ YOEHigh school diploma/GED and 1+ year accounting or office management experience in construction. Proficient in Windows and Microsoft Office 365 (Excel, Word, Outlook, PowerPoint), ProCore, Teams; 45+ WPM typing; strong communication, multitasking, and organizational skills; able to lift up to 40 lb; must pass drug and alcohol test.
Windows, Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft PowerPoint, ProCore, Microsoft Teams
1d
Save
Mark Applied
Hide
Administrator, Specialty Tax Operations
Atlanta or Austin or Birmingham or Boston or Dallas or Fort Lauderdale or Minneapolis or Nashville or Overland Park or Philadelphia or Raleigh or San Antonio or Scottsdale or Phoenix
$31-$43/hr RemoteFull Time
5+ YOERequires 5+ years of administrative experience, advanced Microsoft Excel, PowerPoint, and Word skills, strong organization, communication, problem-solving, multitasking, proofreading, and independent work abilities.
Microsoft Excel, Microsoft PowerPoint, Microsoft Word, Windows
2w
Save
Mark Applied
Hide
System Administrator
Grand Prairie, Texas, United States
HybridFull Time
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
22h
Save
Mark Applied
Hide
ADMINISTRATOR L2
Plano, Texas, United States
$38k-$84k/yr OnsiteFull Time
1+ YOERequires 1–3 years of desktop support experience, A+ certification, Cisco or Microsoft certification, Windows and Office proficiency, troubleshooting, communication, and customer service skills.
Microsoft Windows 11, Microsoft Windows 10, Microsoft Windows 7, Microsoft Office Suite, Microsoft Office 365, Microsoft Remedy, Microsoft Knowledge Base
1mo
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Senior Systems Administrator
Frisco, Texas, United States
OnsiteFull Time
7+ YOERequires 7+ years of systems administration experience with enterprise servers and storage, ITIL-based incident and change management, troubleshooting, collaboration, and Windows, Linux, virtualization, cloud, backup, and scripting expertise.
Active Directory, Microsoft Entra ID, Microsoft Azure, Microsoft 365, Microsoft Exchange Online, DNS, SSL, HPE, VMware, Hyper-V, KVM, Windows, Linux, Microsoft PowerShell, ITIL
2mo
Save
Mark Applied
Hide
System Administrator III
Dallas, Texas, United States
OnsiteFull Time
5+ YOEBachelor's degree and 5+ years enterprise systems administration including Windows Server, Hyper-V, backup/recovery, monitoring, patching, and datacenter operations; PowerShell scripting and strong troubleshooting skills.
Microsoft Hyper-V, PowerShell, Windows Server, Active Directory, DNS, Group Policy, Azure
2mo
Save
Mark Applied
Hide
System Administrator III
Dallas, Texas, United States
OnsiteFull Time
5+ YOEBachelor's degree or equivalent experience, 5+ years of enterprise systems administration, 3+ years of Microsoft Hyper-V, Windows Server, backup/recovery, monitoring, PowerShell, driver's license, and HIPAA compliance.
Microsoft Hyper-V, PowerShell, Windows Server, Linux, Active Directory, DNS, Group Policy, Azure, Microsoft AZ-800, Microsoft AZ-801, Microsoft AZ-104
1mo
Save
Mark Applied
Hide
SharePoint Administrator, Lead
Dallas, Texas, United States
$150k-$170k/yr OnsiteFull Time
8+ YOEManaging and upgrading on-premises SharePoint farms, planning/executing migrations, SharePoint farm administration, Windows/SQL/IIS/AD management, PowerShell scripting, DoD 8140 IAT II certification and U.S. citizenship with Top Secret/SCI eligibility.
Microsoft SharePoint, VMware vSphere, ESXi, vCenter Server, PowerShell, SQL Server, Windows Server, Active Directory, IIS
6h
Save
Mark Applied
Hide
Administrator (Support & Operations)
Dallas, Texas, United States
$57k-$68k/yr OnsiteFull Time
5+ YOERequires 5–7 years in IT or inventory management, hardware and vendor management experience, ITSM tools, Microsoft products, asset databases, Windows 10 imaging, and strong organization.
Atlassian JIRA, Maximo, ITSM, Microsoft Excel, Windows 10, Microsoft Word, Microsoft Outlook, Microsoft PowerPoint, Apple iOS
2w
Save
Mark Applied
Hide
Principal System Administrator
McKinney, Texas, United States
$87k-$165k/yr OnsiteFull Time
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)
6d
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Information Technology System Administrator
Hood River or Dallas
OnsiteFull Time
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
2w
Save
Mark Applied
Hide
Corporate Systems Administrator
Dallas, Texas, United States
OnsiteFull Time
6+ YOE6+ years systems administration experience; expertise in Windows server, virtualization, networking, security tools, backups, and cloud platforms; Bachelor's preferred; strong troubleshooting and scripting skills.
AWS, Azure, GCP, Cloudflare, PowerEdge, Powervault, vxRail, SAN, Microsoft Office 365, Microsoft Exchange Server, Microsoft SQL Server, Microsoft Server, Active Directory, DNS, WINS, DHCP, IIS, Okta, Azure SSO/IAM, EDR, SIEM, DLP, VPN, VMware, Horizon VDI, vSAN, DRS, Linux, PBX, VBScript, PowerShell, Cisco Networking, Veeam Backup and Replication
1d
Save
Mark Applied
Hide
Pega PRPC Administrator
Irving, Texas, United States
OnsiteFull Time
5+ YOERequires a bachelor's degree, 5–8+ years of IT experience, 6 years of Pega administration, 3+ years of Pega development, and mandatory PCSSA certification. Requires application servers, databases, Linux/Windows, containers, integrations, and DevOps expertise.
Pega PRPC, Pega Platform, Tomcat, WebSphere, WebLogic, OpenShift, Docker, Kubernetes, AKS, Oracle, PostgreSQL, DB2, MSSQL, Linux, Windows, Pega Deployment Manager, Jenkins, Pega Diagnostic Cloud (PDC), Splunk, Grafana, JVM, Kafka, REST, SOAP, JMS, OAuth, SSO, LDAP, AWS, Azure, GCP, Git, Azure DevOps
1w
Save
Mark Applied
Hide
Senior System Administrator - onsite
Grand Prairie, Texas, United States
OnsiteFull Time
5+ YOE5+ years Windows server administration, 3+ years advanced networking and domain administration, 2+ years VMware, bachelor’s or associate preferred, strong troubleshooting, documentation, and communication skills.
Microsoft Windows server, VLANs, VPN, routers, firewalls, AD, GPOs, DNS, DHCP, VMware, Microsoft Exchange, Microsoft SQL, Microsoft SharePoint, load-balancers
1w
Save
Mark Applied
Hide
IT Network Administrator
Dallas, Texas, United States
OnsiteFull Time
5+ YOE5+ years network administration experience; experience with Cisco/Cisco Meraki, Microsoft Windows Server, enterprise network security, cloud and on-prem systems, and familiarity with NIST CSF/ISO/IEC 27001.
Microsoft Windows Server, Cisco, Cisco Meraki, NIST CSF, ISO/IEC 27001
2mo
Save
Mark Applied
Hide
Associate PLM Systems Administrator (R4896)
Dallas, Texas, United States
$70k-$100k/yr OnsiteFull Time
3+ YOE3–5 years PLM administration/support; Teamcenter preferred; Windows/Linux; strong problem-solving and cross-functional communication.
Siemens Teamcenter, Windows, Linux, PowerShell, Python, Azure, VMware, CAD integrations
2mo
Save
Mark Applied
Hide
Systems Administrator 2
Corinth, Texas, United States
HybridFull Time
3+ YOE3+ years server and datacenter administration experience; Windows Server, Active Directory, virtualization, backup, scripting, TCP/IP; valid Texas driver license and reliable home internet for occasional remote work.
Windows Server 2016, Windows Server 2019, Windows Server 2022, Active Directory, Entra, Exchange, Azure, Certificate Authority, SAN, Microsoft 365, Outlook, Word, Excel, PowerPoint, Visio, Enterprise backup systems
Explore Jobs