44 system administrator jobs at 38 companies in Coweta, OK

1w
Save
Mark Applied
Hide
System Administrator - Full Time
Tahlequah, Oklahoma, United States
OnsiteFull Time
Northeastern Health System
Northeastern Health System: Nonprofit hospital and regional health system serving Cherokee County and surrounding northeastern Oklahoma communities.
4+ YOEBachelor’s degree or equivalent experience, 4 years of IT experience including 2+ years in senior technical roles, and experience with server, storage, virtualization, networking, and healthcare systems.
PACS, Spark, Exchange, Remote Desktop Services, Microsoft Active Directory (AD), PKI, WSUS, ACLs, RMA, VLANs
5d
Save
Mark Applied
Hide
System Administrator I
Tulsa, Oklahoma, United States
$49k-$60k/yr OnsiteFull Time
JMARK
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
1mo
Save
Mark Applied
Hide
Senior Systems Administrator
Tulsa, Oklahoma, United States
OnsiteFull Time
MIRATECH Corporation
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
1mo
Save
Mark Applied
Hide
IT Systems Administrator
Tulsa, Oklahoma, United States
OnsiteFull Time
Pryer Aerospace
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
2w
Save
Mark Applied
Hide
SYSTEMS ADMINISTRATOR/ HELPDESK SPECIALIST
Tulsa, Oklahoma, United States
$75k-$85k/yr OnsiteFull Time
Custom Glass Solutions
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
1w
Save
Mark Applied
Hide
OT System & Infrastructure Specialist
Dallas or Artesia or Tulsa or El Dorado or Anacortes
OnsiteFull Time
HF Sinclair
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)
4w
Save
Mark Applied
Hide
Systems Administrator
Muskogee, Oklahoma, United States
$26/hr OnsiteFull Time
City of Muskogee
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
2mo
Save
Mark Applied
Hide
IT Systems Administrator III
Tulsa, Oklahoma, United States
OnsiteFull Time
T.D. Williamson
T.D. Williamson: T.D. Williamson is a private pipeline-services and equipment serving operators of onshore and offshore energy infrastructure.
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
2w
Save
Mark Applied
Hide
Information Systems and Network Administrator
Sand Springs, Oklahoma, United States
$20/hr OnsiteFull Time
City of Sand Springs
City of Sand Springs: Public municipal government serving Sand Springs residents with utilities, public safety, infrastructure, parks, courts, and city services.
High school diploma or GED, valid Oklahoma driver's license, knowledge of Microsoft Office, operating systems, networking, Active Directory, and Exchange, with hardware and software troubleshooting skills.
Microsoft Office, Active Directory, Exchange
3w
Save
Mark Applied
Hide
(Linux Administrator) Sr. Specialist, Systems Administration (42157)
Tulsa, Oklahoma, United States
OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Global aerospace and defense technology innovator and manufacturer.
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
2d
Save
Mark Applied
Hide
IT Network Administrator
Tulsa, Oklahoma, United States
$75k-$85k/yr OnsiteFull Time
American Power Innovations
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
1mo
Save
Mark Applied
Hide
Network & Information Systems Administrator
Rockville or Hawthorne or Tulsa
$110k-$150k/yr OnsiteFull Time
Quantum Space
Quantum Space: Private U.S. space-defense building maneuverable spacecraft for national-security, civil, and commercial operators.
10+ YOEBachelor's degree in finance/business/engineering/economics/accounting, 10+ years federal proposal pricing and cost volume experience, BOE and subcontractor pricing experience, strong financial modeling and communication skills.
Earned Value Management (EVM), FAR, DFARS, Cost Accounting Standards (CAS)
1mo
Save
Mark Applied
Hide
Administrative Coordinator - Field Support - $18.00
Tulsa, Oklahoma, United States
$18/hr OnsiteFull Time
Fox Rent A Car
Fox Rent A Car: Discount airport car-rental serving budget-conscious leisure and business travelers through corporate and affiliate locations.
Prior administrative or compliance experience preferred; strong attention to detail, documentation accuracy, ability to handle confidential information, and comfort with contract systems and certified mail processes.
FedEx
2w
Save
Mark Applied
Hide
Document Control Specialist
Kellyville, Oklahoma, United States
OnsiteFull Time
Webco
WebcoOTC Markets: WEBC: Public U.S. specialty manufacturer and distributor of carbon, stainless, and specialty steel tubing for industrial customers.
2+ YOEAssociate degree or equivalent experience and 2+ years in document control, administration, or quality systems; requires strong organization, recordkeeping, attention to detail, and Microsoft Office proficiency.
Microsoft Office Suite, Microsoft Word, Microsoft Excel, Microsoft SharePoint, ERP systems, document management systems
3w
Save
Mark Applied
Hide
Assistant Director of Financial Aid #DS9936
Okmulgee, Oklahoma, United States
$38k-$45k/yr OnsiteFull Time
Oklahoma State University Institute of Technology
Oklahoma State University Institute of Technology: Public Oklahoma technical institute providing hands-on education and workforce training to students and employers.
2+ YOE2+ MgmtBachelor's degree preferred; requires two years of post-secondary financial aid experience, two years of progressive administrative or managerial experience, and familiarity with federal aid systems.
National Student Loan Data System (NSLDS), Free Application for Federal Student Aid (FAFSA), Student Aid Internet Gateway (SAIG), EDconnect, Common Origination and Disbursement (COD)
1mo
Save
Mark Applied
Hide
Systems Admin II
Tulsa, Oklahoma, United States
OnsiteFull Time
TulsaConnect
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
2w
Save
Mark Applied
Hide
Administrative Technician III
Tulsa, Oklahoma, United States
$35k/yr OnsiteFull Time
Adult and Family Services
Adult and Family Services: Oklahoma's state human-services agency provides public assistance and protective services to vulnerable Oklahomans and families.
2+ YOERequires 24 months of clerical office experience or equivalent education and experience, strong communication and organizational skills, driver's license, car insurance, and ability to use computer systems.
1w
Save
Mark Applied
Hide
Attendance Administrative Assistant
Jenks, Oklahoma, United States
$14/hr OnsiteFull Time
Jenks Public Schools
Jenks Public Schools: A Tradition of Excellence with a Vision for Tomorrow
High school diploma or GED required; word processing experience preferred. Requires effective oral and written communication, comfort learning student information systems, and district health and citizenship eligibility.
PowerSchool
6d
Save
Mark Applied
Hide
Communications Clerk - PRN Evenings | Tulsa LTACH
Tulsa, Oklahoma, United States
OnsitePart Time
PAM Health
PAM Health: Provider of specialized healthcare and rehabilitation services.
High school diploma or equivalent preferred; experience with a multi-line phone system required.
5d
Save
Mark Applied
Hide
Workstudy Student Activities-Nguyen
Tulsa, Oklahoma, United States
OnsitePart Time
The University of Tulsa
The University of Tulsa: Private research university offering undergraduate and graduate education.
Student worker supporting campus events, student organization systems, package pickup, and other student activities duties.