81 windows administrator jobs at 53 companies in Marlborough, MO
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Branch Administrator
Capitol Heights or Washington, D.C. or St. Louis
$24-$38/hr OnsiteFull Time
4+ YOEHigh school diploma or equivalent, 4+ years of general office experience, construction background preferred, Windows applications knowledge, Microsoft Excel spreadsheet skills, and strong written and verbal communication.
Microsoft Windows, Microsoft Excel
2mo
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System Administrator
Earth City, Missouri, United States
$60k-$85k/yr OnsiteFull Time
5+ YOE5+ years system administration experience; Windows Server and Linux administration; Active Directory, DNS, DHCP, Group Policy; virtualization (VMware/Hyper-V); scripting (PowerShell, Bash); bachelor’s degree or relevant certifications.
Windows Server, Linux, Active Directory, DNS, DHCP, Group Policy, VMware, Hyper-V, VLANs, TCP/IP, Firewalls, PowerShell, Bash, Appgate SDP, Microsoft 365, Azure AD Sync, ConnectWise Service Manager, SentinelOne, Rapid7, Cisco Umbrella, CyberArk
1w
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Systems Administrator
St. Louis, Missouri, United States
HybridFull Time
2+ YOE2+ years of progressive IT experience preferred, with Microsoft 365, Windows, IT policy management, endpoint administration, troubleshooting, user lifecycle management, and security compliance knowledge.
Microsoft 365, Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Microsoft Entra ID, Microsoft Intune, Remote Monitoring and Management (RMM), Windows
1mo
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Systems Administrator
St. Louis, Missouri, United States
$98k-$132k/yr OnsiteFull Time
5+ YOETS/SCI clearance required,5+ years IT systems administration experience,skills in backups,software updates,troubleshooting,VDI,Windows,Citrix,SCCM,SMS;strong written/verbal communication.
Virtual Desktop Infrastructure (VDI), Windows 11, Windows 10, Citrix, SMS, SCCM, KVM, VOIP
2mo
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System Administrator - Senior
Scott Air Force Base, Illinois, United States
OnsiteFull Time
8+ YOEActive Secret clearance,8+ years DoD/federal systems administration experience with Windows Server, Active Directory, SCCM, virtualization, storage/backup, STIG/vulnerability remediation, scripting (PowerShell), and strong troubleshooting.
Windows Server, Active Directory, Group Policy, DNS, DHCP, SMTP, SCCM, VDI, NAS, SAN, NTFS, CIFS, iSCSI, NFS, PowerShell, JavaScript, batch, VMware, DoD PKI
1mo
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VMWare Administrator
Saint Louis, Missouri, United States
$100k-$120k/yr OnsiteFull Time
8+ YOEBachelor's in CS or related (or equivalent experience), 8+ years virtualization/EUC experience with VMware Horizon, vSphere/ESXi, Windows administration, ITIL processes, and scripting (PowerShell/Python).
VMware Horizon, VMware vSphere, ESXi, VMware Dynamic Environment Manager (DEM), VMware App Volumes, MSIX App Attach, MSIX Packaging Tool, vCenter Server, Microsoft Remote Desktop Services (RDSH), Microsoft WSUS, MECM (SCCM), ControlUp, Powershell, Python
1mo
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System Administrator II / System Administrator III – Hybrid – Chesterfield, MO (St. Louis)
Chesterfield, Missouri, United States
HybridFull Time
5+ YOE5+ years IT experience with 3+ years as a system administrator and 2+ years managing Windows Server; experience with Windows/Linux, virtualization (VMware), Active Directory/Azure AD, cloud (Microsoft Azure), scripting (PowerShell/Bash/Python), backup/DR, and enterprise security.
Windows Server, Linux, Active Directory, Azure Active Directory, Office 365, Group Policy, DNS, DHCP, VPN, VLAN, PowerShell, Bash, Python, VMware, vCenter, ESXi, Microsoft Azure, SAN, NAS, SIEM, SAML, LDAP, OIDC, SSO, Microsoft Copilot, GitHub Copilot
3w
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Systems Administrator
St. Louis, Missouri, United States
$60k-$72k/yr OnsiteFull Time
2+ YOEBachelor's degree in computer science or related field, or 2–6 years of related experience. Requires operating systems, project management, Windows Server, Active Directory, Cisco UCS, and VMware experience.
Microsoft Active Directory, Cisco Unified Computing System (UCS), VMware Hypervisor, Windows Server, DNS, DHCP, SAN
1mo
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Systems Administrator
St. Louis, Missouri, United States
$98k-$132k/yr OnsiteFull Time
5+ YOETS/SCI clearance required, 5+ years IT systems/admin experience, BA/BS or equivalent, expertise in desktop support, VDI, Windows/Citrix/SCCM/SMS, backups, troubleshooting, and strong communication.
Virtual Desktop Infrastructure (VDI), Microsoft Windows 11, Microsoft Windows 10, Microsoft Windows 7, Citrix, SMS, SCCM, KVM, VOIP
3w
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Sr. Systems Administrator
St. Louis, Missouri, United States
OnsiteFull Time
8+ YOEBachelor's degree with 8+ years or master's degree with 6+ years, including 8+ years of enterprise systems administration. Requires Windows/Linux, virtualization, scripting, cybersecurity, Security+ CE, and active TS/SCI clearance.
Microsoft Windows Server, VMware vSphere, DNS/DHCP, Group Policy, PowerShell, Bash, Python, VMware vCenter, Git, ServiceNow, Microsoft Word, Microsoft Excel, Microsoft Office, Red Hat Enterprise Linux (RHEL), Active Directory, Ansible, SCCM/MECM, Splunk, Elastic Stack, AWS
1mo
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Sales Administrator
St. Charles, Missouri, United States
OnsiteFull Time
Provide sales support and order coordination, follow up on credits/RMAs/backorders, monitor systems and delivery windows, collaborate cross-functionally, and communicate with customers and sales teams.
CIMS, WebHelm, Accuterm, Optimiroute, M3
1mo
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Infrastructure Systems Administrator
Springfield or St. Louis
$139k-$170k/yr OnsiteFull Time
Administer RHEL/Windows servers, manage AWS infrastructure for a self-hosted ServiceNow platform, support ServiceNow AI integrations, and hold an active TS/SCI clearance.
RHEL 9, Windows Server, AWS, EC2, RDS, Application Load Balancer (ALB), Security Groups, AWS Bedrock, ServiceNow, Now Assist, AI Search, Predictive Intelligence, AI Control Tower, Model Context Protocol (MCP)
1mo
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Systems Administrator / Systems Infrastructure Lead
Scott Air Force Base, Illinois, United States
$115k-$130k/yr OnsiteFull Time
5+ YOE5+ years enterprise Windows/Linux systems administration, virtualization, SAN/NAS, Active Directory, backup/DR; DoDM 8140.03 qualification and Secret clearance required; Security+ or CySA+ preferred.
Windows Server 2019, Windows Server 2022, RHEL 8, RHEL 9, NetApp ONTAP, VMware vSphere, vCenter, Active Directory, Veeam, SCCM, SolarWinds, Commvault, SIPRNet
2w
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Vulnerability Scanning Administrator
Belleville or Illinois
$100k-$115k/yr HybridFull Time
5+ YOERequires 5+ years of patch management, a bachelor's degree or equivalent experience, 8140-compliant certification, Secret clearance, Nessus, Windows, DISA VMS, STIGs, Unix/Linux, Cisco, and cloud experience.
Assured Compliance Assessment Solution (ACAS), Security Center, Nessus Manager, Nessus Scanner, Nessus Network Monitor, Tenable Nessus, Windows, DISA’s Vulnerability Management System, DISA STIGs, Unix, Linux, Cisco, Kubernetes
1mo
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Systems Administrator – AWS GovCloud (DoD Classified Environments)
Belleville, Illinois, United States
OnsiteFull Time
3+ YOEActive DoD Secret clearance, IAT Level II/III,3+ years systems administration with AWS GovCloud, Windows Server, RMF/DISA STIGs/NIST 800-53 knowledge, scripting/IaC (Bash,Python,PowerShell,Terraform,CloudFormation).
AWS GovCloud (US), EC2, S3, RDS, IAM, CloudTrail, CloudWatch, VPC, KMS, SCAP, ACAS, Splunk, ELK stack, Windows Server, Bash, Python, PowerShell, Terraform, CloudFormation, AWS Organizations, Service Control Policies (SCPs), ECS, EKS, CI/CD, RMF, DISA STIGs, NIST SP 800-53, SIEM
2d
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IT Infrastructure Administrator
United States or Missouri or Austin or Boston or Chattanooga or Chicago or Dallas or Denver or Houston or Jefferson City or Kansas City or Los Angeles or Madison or Milwaukee or Minneapolis or Nashville or Oakland or Omaha or Phoenix or Providence or Springfield or Saint Louis or Washington
$45k-$142k/yr RemoteFull Time
3+ YOEHigh school diploma or GED required; 2-year degree preferred. Requires 3+ years of relevant experience, Windows Server and Azure/AWS knowledge, PowerShell/Bicep/batch scripting, and Active Directory, DNS, DHCP, and networking familiarity.
Windows Server, Azure, AWS, PowerShell, Bicep, Active Directory, DNS, DHCP, Azure Virtual Desktop (AVD), Microsoft Exchange Online, Microsoft Teams, Teams Phones, Microsoft Intune, Microsoft OneDrive for Business, ITIL
1mo
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Systems Administrator / Systems Infrastructure Lead
Scott Air Force Base, Illinois, United States
OnsiteFull Time
5+ YOE5+ years enterprise Windows/Linux/virtualization/SAN and Active Directory administration; DoD experience with STIGs; SECRET clearance; DoDM 8140.03 and related certifications (Security+, CySA+); backup/DR tooling experience.
Windows Server 2019, Windows Server 2022, RHEL 8, RHEL 9, NetApp ONTAP, VMware vSphere, vCenter, Active Directory, Veeam, SCCM, SolarWinds, Commvault, SIPRNet
1mo
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Test Center Administrator (FT)
Saint Louis or St. Louis
$16/hr OnsiteFull Time
1+ YOEHigh school diploma, 1+ year customer-service experience, age 18+, ability to lift 40 lbs, Microsoft Windows/Office/Outlook familiarity, strong communication and reporting skills.
Microsoft Windows, Microsoft Office, Microsoft Outlook, Explorer
2mo
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Database Administrator
St. Louis, Missouri, United States
OnsiteFull Time
3+ YOEActive TS/SCI clearance, Bachelor’s degree or equivalent, 3+ years administering enterprise databases (PostgreSQL preferred), SQL scripting, cloud and DevSecOps experience, IaC and Kubernetes familiarity.
PostgreSQL, PostGIS, Oracle, SQL, Git, GitLab CI/CD, Terraform, CloudFormation, Helm, Ansible, Kubernetes, OpenShift, AWS, Azure, Google Cloud, EC2, Lambda, S3, Spark, Hadoop, Pandas, NumPy, Tableau, Matplotlib, Microsoft Power BI, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Linux, Windows
1mo
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Administrator, Server
Saint Louis, Missouri, United States
OnsiteFull Time
4+ YOE4+ years IT experience required; manage Active Directory, virtual and physical servers, VMware, Office 365; strong troubleshooting, change control, and disaster recovery skills.
Office 365, VMware, Windows, Linux, ITSM
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