141 system administrator jobs at 83 companies in Marlborough, MO
2mo
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System Administrator
St Louis, Missouri, United States
OnsiteFull Time
3+ YOERequires LenelS2 and Milestone certifications, Security+ certification, and 3+ years as a systems administrator/engineer on security system platforms; strong background with security software, servers, databases, and enterprise installation/troubleshooting.
LenelS2, Milestone, Genetec, Honeywell, Avigilon, Bosch, MSWord, Microsoft Excel, Microsoft Access, Microsoft PowerPoint, Microsoft Outlook
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
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
3mo
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AWS System Administrator
St. Louis or Springfield
$75k-$158k/yr OnsiteFull Time
5+ YOEActive TS/SCI clearance, bachelor’s in a technical field, 5+ years relevant experience, DoD 8140.01/8570.01-M IAT Level II, RHEL 7/8/9 and Linux administration, AWS resource management, scripting (Python/Bash), AWS CLI and CloudFormation.
AWS, EC2, EBS, VPCs, IAM, Red Hat Enterprise Linux (RHEL) 7/8/9, Linux, Python, Bash, AWS CLI, CloudFormation
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
1mo
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Senior System Administrator - Wealth Management
Clayton, Missouri, United States
$93k-$109k/yr OnsiteFull Time
5+ YOEBachelor's or equivalent,5+ years data analytics and project management experience,advanced Microsoft Excel,SQL proficiency,experience with enterprise applications and integrations (SAP, Workday, Performio, Databricks, Salesforce) and strong communication skills.
Microsoft Office 365, Microsoft Excel, SQL, SAP, Workday, Performio, Databricks, Salesforce
3mo
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Cloud Operations System Administrator
Swansea, Illinois, United States
$80k-$96k/yr HybridFull Time
3+ YOE3+ years GDSS operations experience; ability to obtain U.S. Secret Clearance; CompTIA Sec+ preferred.
AWS, Infrastructure as Code, Automation
3mo
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Cloud Operations System Administrator
Swansea, Illinois, United States
$80k-$96k/yr HybridFull Time
3+ YOE3+ years in GDSS operations; ability to obtain US Secret Clearance; CompTIA Sec+ preferred.
AWS, CloudOne, IaC, configuration_management_tools
5h
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Learning Management System Administrator & Compliance Analyst
Saint Louis, Missouri, United States
$52k-$85k/yr OnsiteFull Time
2+ YOERequires 2–5 years of experience supporting learning management systems, data reporting, quality processes, and performance improvement. Bachelor's degree and 5–10 years of experience preferred.
Learning Management System (LMS), SABA, Microsoft Excel
5d
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Branch Administrator
Chesterfield, Missouri, United States
$20/hr OnsiteFull Time
0.5+ YOEHigh school education and 6+ months of related experience preferred. Requires computer systems knowledge, attention to detail, data entry, organization, and communication skills.
SAP
1mo
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OFFICE PERSONNEL ADMINISTRATOR (FULL TIME)
Saint Louis, Missouri, United States
$19-$25/hr OnsiteFull Time
Previous project management, event planning, and system administration experience; clerical skills including telephone handling, bookkeeping, typing, filing, scheduling, and basic office equipment use.
2w
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Systems Administrator
Chesterfield, Missouri, United States
HybridFull Time
7+ YOEMinimum 7 years of progressive systems administration or infrastructure engineering experience, enterprise environment experience, and expertise across servers, cloud, virtualization, storage, identity, security, and automation.
Microsoft Windows Server, Active Directory, Group Policy, DNS, DHCP, VMware vSphere, Microsoft 365, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Microsoft Entra ID, Pure Storage, Microsoft Azure, PowerShell
2d
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Systems Administrator
St. Louis, Missouri, United States
$130k-$140k/yr OnsiteFull Time
5+ YOEActive TS/SCI clearance, bachelor's degree or equivalent, and 5–10 years of systems administration experience. Requires Microsoft Office, troubleshooting, documentation, teamwork, and customer service skills.
Microsoft Office Suite, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Tanium, Numecent, XenApp, SCCM/MECM, ThinPro, Citrix, Windows 11, Azure Virtual Desktop, ESX/vSphere4, XenDesktop, Python, PowerShell
1mo
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Systems Administrator
St. Louis, Missouri, United States
$98k-$132k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
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 Engineer- ArcGIS
Redlands or St. Louis or Vienna
$121k-$198k/yr OnsiteFull Time
8+ YOE8+ years experience deploying and administrating enterprise ArcGIS or comparable systems; Windows/Linux sysadmin; scripting (Python, PowerShell, JavaScript, C#); RDBMS and SQL; Top Secret/SCI clearance and US citizenship; Bachelor\u0002s in STEM.
ArcGIS, ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS, ArcGIS Runtime, RDBMS, SQL, SQL Server, Oracle, PostgreSQL, Python, PowerShell, Javascript, C#, Windows, Linux
1w
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Legal Administrator
Des Peres or St. Louis
RemoteFull Time
3+ YOERequires 3+ years of legal administrator experience, advanced PowerPoint and Excel skills, data analysis, financial acumen, strong organization, communication, accuracy, and business systems experience.
Microsoft PowerPoint, Microsoft Excel, Power BI, Tableau
2w
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BUSINESS ADMINISTRATOR
Alton, Illinois, United States
$112k-$136k/yr OnsiteFull Time
3+ YOE3+ MgmtRequires a four-year college education and three years of progressively responsible administrative experience operating a business office. Supervisory, budgeting, accounting systems, policy, and safety experience preferred.
Microsoft Office, SAP
4d
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Systems Administrator (SaaS)
Springfield or St. Louis
$126k-$170k/yr OnsiteFull Time
Requires 5+ years of systems administration experience, U.S. citizenship, Top Secret/SCI clearance, and a bachelor's degree or equivalent. Experience with deployments, VDI, Windows, scripting, troubleshooting, and documentation required.
Microsoft Office Suite, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Tanium, Numecent, XenApp, SCCM/MECM, Service+, AVD, ThinPro, Citrix, Windows 11, Azure Virtual Desktop, ESX/vSphere4, XenDesktop, Python, PowerShell
2w
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Jr. Systems Administrator
Scott Air Force Base, Illinois, United States
$60k-$71k/yr OnsiteFull Time
1+ YOERequires 1+ year of systems administration or IT support experience, active Secret clearance with TS eligibility, DoD 8140/8570 IAT Level II certification, and Windows Server or Linux familiarity.
Active Directory, DNS, Group Policy, Windows Server, Linux, HBSS, ACAS, SIEM, Microsoft Excel
6d
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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
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