12 windows systems administrator jobs at 12 companies in Broken Arrow, OK
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Senior Systems Administrator
Tulsa, Oklahoma, United States
OnsiteFull Time
MIRATECH Corporation: MIRATECH is a private industrial emissions-control manufacturer serving power generation, energy infrastructure, marine, industrial, and OEM customers.
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
Pryer Aerospace: Private aerospace manufacturer serving commercial, defense, and space programs with structural assemblies, machined parts, and sheet-metal fabrication.
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
Custom Glass Solutions: American manufacturer of laminated, tempered, and other engineered vehicle glass for transportation, construction, agriculture, and public-safety customers.
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
T.D. Williamson: Manufactures equipment and provides services for pipeline maintenance.
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
City of Muskogee: Municipal government serving Muskogee, Oklahoma residents through public safety, infrastructure, planning, parks, and other city services.
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
AAONNASDAQ: AAON: Designs and manufactures custom HVAC equipment for commercial applications.
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
TulsaConnect: Family-owned Oklahoma telecommunications provider delivering broadband, voice, mobile, and business connectivity to rural communities.
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
JMARK: Privately owned managed IT services provider delivering cybersecurity, AI, and communications solutions to security-focused organizations.
Requires Windows, Microsoft Office, Microsoft 365, VPN, networking, Windows Server, and endpoint security knowledge; driver's license, vehicle insurance, reliable transportation, and travel availability.
Microsoft Windows, Microsoft Office, Microsoft 365, VPN, Cisco, Meraki, IPv4, IPv6, Windows Server, Windows Server 2012, Windows Server 2016, Windows Server 2019, ConnectWise, PSA, RMM
American Power Innovations: Private U.S. manufacturer of custom power-distribution equipment and control systems serving industrial customers.
3+ YOE3+ years of systems administration and networking experience; strong Windows Server, Microsoft 365, Active Directory, TCP/IP, VLAN, VPN, and firewall knowledge. Associate's degree preferred.
Windows Server, Active Directory, DNS, DHCP, Group Policy, Microsoft 365, Entra ID, VMware, Hyper-V, TCP/IP, VLANs, VPNs, Microsoft Office 365, Windows 10/11, Windows Server 2012 R2
(Linux Administrator) Sr. Specialist, Systems Administration (42157)
Tulsa, Oklahoma, United States
OnsiteFull Time
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
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
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
5+ YOESTEM degree and 5+ years of relevant experience, or advanced related degree and 3+ years. Requires AWS cloud infrastructure and Windows or Linux system administration experience.
Dallas or Artesia or Tulsa or El Dorado or Anacortes
OnsiteFull Time
HF SinclairNYSE: DINO: Public energy refining and marketing fuels, lubricants, asphalt, and renewable diesel for transportation and industrial markets.
Requires 4–7 years of OT infrastructure, industrial networking, systems administration, or control systems experience; industrial environment experience, technical communication, and travel readiness. Bachelor's degree preferred.
Honeywell Experion PKS/FTE, Foxboro ICS, Siemens ICS, Windows Server, Active Directory, Microsoft, VMware, Cisco, Fortinet, Palo Alto, CompTIA Security+, CompTIA Network+, CompTIA Server+, ISA/IEC 62443, Industrial Automation and Control Systems (IACS)