32 windows systems administrator jobs at 28 companies in Oklahoma
1mo
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Senior Systems Administrator
Tulsa, Oklahoma, United States
OnsiteFull Time
7+ YOE7+ years IT support/systems administration with Level 3 escalation experience; hands-on Windows Server, AD, Microsoft 365, Azure/Entra ID, Intune, networking, virtualization, endpoint security; strong communication and on-call willingness.
Windows Server, Active Directory, DNS, DHCP, Group Policy, Hyper-V, Microsoft 365, Azure, Entra ID, Intune, EDR, AV, MFA, VMware, PowerShell, Bash, Python, Terraform, Ansible, NinjaOne, ConnectWise Automate, ConnectWise Manage, IT Glue, VPNs, Wi-Fi, switches, routers, firewalls
2w
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Application Server Administrator/Windows System Administrator
Oklahoma City, Oklahoma, United States
$68k-$142k/yr HybridFull Time
5+ YOEBachelor's degree in IT or equivalent experience, 5 years of experience, WebLogic, Microsoft systems administration, IIS, firewall configuration, database administration, and segmented network experience required.
Oracle WebLogic, Microsoft Systems Administration, IIS, MS SQL Server, Oracle Database, PostgreSQL, Red Hat Linux, Tomcat, JBoss, Oracle Cloud Infrastructure (OCI), Oracle Data Guard, Oracle RAC, Oracle Client, Splunk
2w
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Junior Systems Administrator
Norman, Oklahoma, United States
HybridFull Time
Experience managing IT infrastructure; knowledge of Windows, Linux, network administration, virtualization, AWS Cloud, cybersecurity, and troubleshooting. Flexible availability for 24/7 on-call rotation required.
Windows, Linux, AWS Cloud, Microsoft Certified: Windows Server Hybrid Administrator, SOC 1, SOC 2, FISMA
3w
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IT Systems Administrator
Tulsa, Oklahoma, United States
OnsiteFull Time
3+ YOE3+ years systems administration experience with Windows Server, Active Directory, Microsoft 365, cybersecurity knowledge, CMMC/NIST SP 800-171 familiarity, virtualization, backup and incident response skills.
Windows Server, Active Directory, Group Policy, Microsoft 365, Hyper-V, VMware, CMMC, NIST SP 800-171, PowerShell, Office 365, SQL, Dell Compellent, DELL/EMC, Microsoft Office
1w
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Systems Administrator
Oklahoma City, Oklahoma, United States
OnsiteFull Time
5+ YOEHigh school diploma or GED required; bachelor's degree in computer science, information technology, or related field preferred. Requires strong computer skills and advanced Windows Server, network infrastructure, and virtualization knowledge.
Windows Server, VMware, Active Directory, LAN, WAN, internet, anti-virus, anti-spam
1w
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Systems Administrator
Oklahoma City, Oklahoma, United States
OnsiteFull Time
Bachelor's degree in a related field and experience supporting Windows Server, Enterprise Linux, Active Directory, infrastructure services, virtualization, cloud, backup, recovery, and networking.
Microsoft Windows Server, Enterprise Linux, Active Directory, Group Policy, DNS, DHCP, Public Key Infrastructure (PKI), Microsoft Azure, Microsoft 365, PowerShell, SOX, ITIL
6d
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SYSTEMS ADMINISTRATOR/ HELPDESK SPECIALIST
Tulsa, Oklahoma, United States
$75k-$85k/yr OnsiteFull Time
3+ YOERequires 3–5 years of IT support or systems administration experience, Windows and network administration, directory services, cloud platforms, PowerShell, security tools, and strong troubleshooting and communication skills.
Windows Server, Active Directory, Microsoft Entra ID, Group Policy Objects (GPOs), Single Sign-On (SSO), Microsoft 365, Google Workspace, AWS, Azure, TCP/IP, DNS, DHCP, VLANs, VPN, PowerShell, Microsoft Intune, FeneVision ERP, SQL Server Reporting Services (SSRS), Crystal Reports
2mo
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IT Systems Administrator III
Tulsa, Oklahoma, United States
OnsiteFull Time
5+ YOEMaintain and support enterprise systems, virtualization, and cloud infrastructure; Windows Server, Active Directory, Azure/AWS, VMware/Hyper-V, PowerShell; Bachelor's in CS/IS + 5+ years IT support or equivalent experience; WAN/SD-WAN and Cisco experience.
Windows 10, Windows 11, Windows Server 2008, Windows Server 2012, Windows Server 2016, Windows Server 2019, Windows Server 2022, Windows Server 2025, Active Directory, Microsoft Office 365, Microsoft Teams, Microsoft Exchange, Microsoft SCCM, Microsoft Intune, Azure Arc, Azure, EntraID, Azure Automation, VMware, Hyper-V, PowerShell, AWS, Cisco, WAN, SD-WAN
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Sr. Window Systems Administrator
Fort Meade or Crystal City or Mechanicsburg or Oklahoma City or Ogden or Montgomery
OnsiteFull Time
5+ YOE5+ years Windows Server administration, IAT Level II certification, Windows OS certification, non-interim DoD Secret clearance, DISA/cloud experience, scripting and security tool proficiency.
Windows Server (2019 and newer), Active Directory, Citrix, Forefront Identity Manager, Microsoft Identity Manager, Microsoft IIS, HyperVisor, VMWare, NetScaler, ACAS, Splunk, HBSS, Trellix, Microsoft Defender, Enterprise Security Posture System (ESPS), Veritas Clustering, Microsoft Cluster Server, Ansible, PowerShell, JavaScript, Network Attached Storage (NAS), Storage Area Networks (SANs), ticketing system
1w
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Systems Administrator - Level I
Norman, Oklahoma, United States
$64k-$79k/yr OnsiteFull Time
4+ YOESystems administration and technical support experience with enterprise hardware, software, networks, switches, and security procedures. Onsite Norman work and moderate public trust clearance required; U.S. citizenship required.
Windows, Linux, UNIX, VPN, Microsoft Certified: Windows Server Hybrid Administrator Associate, Managing Modern Desktop (MD101), Red Hat Server Administrator (RHSA), CISCO Professional Level Certification, CCDP, CCNP
2w
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Systems Administrator
Muskogee, Oklahoma, United States
$26/hr OnsiteFull Time
2+ YOEAssociate degree or equivalent education and experience, plus 2+ years of server and PC troubleshooting in networked environments; requires Oklahoma Class D driver's license and strong infrastructure, security, and communication skills.
Windows Server, Active Directory, Group Policy, DNS, DHCP, Microsoft 365, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft Entra ID, Azure Active Directory, VMware, PowerShell, Windows 10, Windows 11, Microsoft Exchange Server, Microsoft Office, Barracuda, VoIP, SAN, NAS, SSL, Microsoft Azure
2mo
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Infrastructure Administrator - OT Systems
Tulsa, Oklahoma, United States
OnsiteFull Time
5+ YOE5+ years network and systems administration experience; expertise in enterprise networking, virtualization, Windows Server, VMware, DNS/DHCP/Active Directory; industry certifications preferred.
Windows Server, VMware, Active Directory, DNS, DHCP, TCP/IP, LAN, WLAN, WAN, VPNs, firewalls, switches
2w
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Application Server Administrator/Windows System Administrator
Oklahoma City, Oklahoma, United States
$68k-$142k/yr HybridFull Time
5+ YOEBachelor's degree in IT and 5 years of experience or equivalent. Requires WebLogic, Microsoft systems administration, IIS, firewall configuration, and database administration experience.
Oracle WebLogic, Microsoft Systems Administration, IIS, MS SQL Server, Oracle Database, PostgreSQL, RedHat Linux, Tomcat, JBoss, Oracle OCI, Oracle Data Guard, Oracle RAC, Oracle Client, Splunk
1mo
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System Administrator
Oklahoma City, Oklahoma, United States
$27-$46/hr OnsiteFull Time
Proven system/network administration experience with Windows environments, strong security and backup knowledge, troubleshooting skills, and effective communication with non-technical staff.
Windows
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Systems Analyst I
Oklahoma City, Oklahoma, United States
OnsiteFull Time
3+ YOEBachelor's degree in IT-related field, 3+ years IT support/systems administration experience, experience with Microsoft 365, SharePoint Online, Intune, Entra ID, Windows Server, strong troubleshooting and communication skills.
Microsoft 365, SharePoint Online, Microsoft Intune, Microsoft Entra ID, Windows Server, Microsoft 365 Copilot, Copilot Studio, Agent Builder, Model Context Protocol (MCP), QuickBase
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Systems Admin II
Tulsa, Oklahoma, United States
OnsiteFull Time
Provide tier‑2 technical support, administer physical and virtual infrastructure, perform data center installations and cabling, participate in 24/7 on‑call rotation.
Hyper-V, Windows Server, Active Directory, Remote Desktop Services, Group Policy, Office 365, Azure, IPSEC VPN
1w
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IT Systems Support Admin
Norman, Oklahoma, United States
$46k-$60k/yr OnsiteFull Time
4+ YOEHigh school diploma or GED and 4 years of customer service, help desk, or device/software support experience; technical administration, project coordination, and student staff guidance preferred.
Microsoft Windows, Linux, Active Directory, Microsoft 365, Microsoft Entra ID, Group Policy, DNS, DHCP, VMware, CompTIA, Cisco, ITIL
2w
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(Linux Administrator) Sr. Specialist, Systems Administration (42157)
Tulsa, Oklahoma, United States
OnsiteFull Time
6+ YOERequires a bachelor's degree and 6 years of relevant experience, master's degree and 4 years, or 10 years without a degree; 8 years in Red Hat Linux, networking, shell scripting, troubleshooting, and cybersecurity; active Secret clearance.
Red Hat Enterprise Linux (RHEL), Microsoft Windows, TCP/IP, NIST 800-53, DISA STIGs, LDAP, VMware, Citrix, Centrify, Virtual Desktop Infrastructure (VDI), Active Directory, Satellite, Ansible, Kickstart, NetApp, CommVault, Samba, NFS
2w
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Salesforce Administrator III/SR
Oklahoma City, Oklahoma, United States
$106k-$164k/yr OnsiteFull Time
5+ YOE5+ years Salesforce administration experience (Level III) or 7+ years for Sr; Salesforce Administrator certification and incumbent bonding required; experience with Financial Services Cloud, declarative config, reporting, integrations, and related systems.
Salesforce, Apex, Lightning Web Components, Data Loader, MuleSoft, Microsoft Windows, Microsoft SQL Server, Active Directory, APIs
3mo
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Contract Mission Command Systems Integrator
Fort Sill, Oklahoma, United States
OnsiteFull Time
1+ YOEBachelor’s degree or 3+ years of JLCCTC/ERF simulation experience; 1 year LAN/WAN, IT, and system administration experience; Security+ certification; 1 year with Windows/Linux, Office, and common tools.
Windows, Linux, Microsoft Office, Adobe Acrobat, Axway, DameWare Remote Utility
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