3w
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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
3w
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Desktop Administrator
Brentwood, Missouri, United States
OnsiteFull Time
2+ YOE2+ years endpoint administration experience with Microsoft Intune and Windows 11; experience with Microsoft Entra ID, Autopilot, PatchMyPC, PowerShell, Group Policy, Exchange Online, and reporting via Excel/Power BI.
Microsoft Intune, Azure Active Directory, Microsoft Entra ID, Microsoft Autopilot, PatchMyPC, Apple Business Manager, PrinterLogic, Windows Update for Business, Group Policy, Active Directory, Windows 11, Microsoft PowerShell, Microsoft Excel, Power BI, Exchange Online, Microsoft Teams, OneDrive
6d
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Mid Database Administrator (SFN-0002)
Saint Louis, Missouri, United States
OnsiteFull Time
5+ YOE5+ years experience; TS/SCI clearance; proficiency with Microsoft Office, Oracle, PostgreSQL, PowerShell, Windows/Linux administration, Tomcat, and JBoss.
Microsoft Office, Oracle RDBMS, PostgreSQL, PowerShell, Windows, Linux, Tomcat, JBoss
1w
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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
1w
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IT Systems Administrator
Warrenton, Missouri, United States
OnsiteFull Time
Support and maintain Windows Server, Microsoft 365, Active Directory/Entra ID, Group Policy, networks, workstations and business applications; strong troubleshooting and documentation skills; participate in on-call rotation.
Microsoft 365, Windows Server, Active Directory/Entra ID, Group Policy, POS
1mo
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Help Desk / Systems Administrator / Service Desk Engineer
St. Louis, Missouri, United States
OnsiteFull Time
3+ YOE3-5 years in a tiered service or help desk; degree in IT or related field; Windows networking and system administration knowledge; strong communication; eager to learn and provide white-glove support.
Autotask, Datto, Atera, PowerShell, Windows, DNS, VPN, Microsoft 365, O365
1w
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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)
1w
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SAP BASIS Administrator
United States or O'Fallon
$75k-$158k/yr RemoteFull Time
US citizen with bachelor’s in IT or equivalent, hands-on SAP Basis experience (S/4HANA, ECC), SAP HANA and TMS knowledge, Linux/Windows experience, troubleshooting and documentation skills.
SAP S/4HANA, SAP ECC, SAP Solution Manager, Fiori, Gateway, Web Dispatcher, SAP BTP, SAP HANA, SAP Transport Management System (TMS), SAP RISE, Linux, Windows
2w
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System Administrator (Desktop Support)
Arnold, Missouri, United States
$131k-$177k/yr OnsiteFull Time
5+ YOETS/SCI clearance required, 5+ years related experience, BA/BS or equivalent, experience with Windows, VDI/VMware, Citrix, SMS, SCCM; strong troubleshooting, communication, and hardware handling skills.
VMware VDI, Windows 11, Windows 10, Windows 7, Win11, Citrix, SMS, SCCM, Thin Client, KVM, VOIP
1d
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Systems Administrator – AWS GovCloud (DoD Classified Environments)
Saint Louis or Belleville or Sun Prairie
OnsiteFull Time
3+ YOEActive DoD Secret clearance, IAT Level II/III or equivalent cert, 3+ years systems administration experience managing AWS GovCloud workloads, Windows Server proficiency, scripting/IaC experience, and knowledge of DoD security frameworks.
AWS GovCloud (US), EC2, S3, RDS, IAM, CloudTrail, CloudWatch, VPC, KMS, SCAP, ACAS, Splunk, ELK stack, Windows Server, Bash, Python, PowerShell, Terraform, CloudFormation, ECS, EKS, AWS Organizations, Service Control Policies (SCPs), RMF, DISA STIGs, FedRAMP High, NIST SP 800-53
1w
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SAP BASIS Administrator
United States or O'Fallon
$75k-$158k/yr HybridFull Time
US citizenship, bachelor’s in IT or equivalent, hands-on SAP Basis experience with S/4HANA/ECC, SAP HANA, TMS, Linux/Windows, system upgrades/patches, troubleshooting, and documentation; SAP certification preferred.
SAP S/4HANA, SAP ECC, Solution Manager, SAP Fiori, Gateway, Web Dispatcher, SAP BTP, SAP RISE, SUM, TMS, SAP HANA, Linux, Windows, Focused Run, ATO, RMF, STIG
1w
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Systems Administrator (Desktop Support)
Arnold, Missouri, United States
OnsiteFull Time
5+ YOETS/SCI clearance w/ CI Poly eligibility, BA/BS or equivalent,5+ years IT systems experience, Security+ or CASP and ITIL v4, VDI/Windows/Citrix/SCCM/SMS experience, strong troubleshooting and communication.
Windows 11, Windows 10, Citrix, SMS, SCCM, Virtual Desktop Infrastructure (VDI), KVM, VOIP
2w
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System Administrator (Desktop Support)
Arnold, Missouri, United States
$131k-$177k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
5+ YOETS/SCI cleared (or able to obtain TS/SCI + Poly), US citizenship, BA/BS or equivalent, 5+ years experience, Security+ or CASP and ITIL v4 preferred, strong Windows/VDI/Citrix/SCCM skills, excellent troubleshooting and communication.
Windows 11, Windows 10, Citrix, SMS, SCCM, VMware VDI, KVM, VOIP
1mo
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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
2mo
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Service Desk Administrator
Houston or Melbourne or St. Paul or St. Louis or Sioux Falls
$57k-$81k/yr HybridFull Time
1+ YOE1-5 years in help desk/IT support; Windows 11; Microsoft 365; Citrix/VDI; SCCM; Active Directory; Entra ID; MFA; good communication; driver’s license.
Windows 11, Microsoft 365, Citrix, SCCM, Active Directory, Entra ID, MFA
1d
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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 certification (e.g., Security+ CE, CASP+, CISSP),3+ years systems administration with AWS GovCloud experience, Windows Server proficiency, scripting/IaC experience, DoD cybersecurity knowledge.
AWS GovCloud (US), EC2, S3, RDS, IAM, CloudTrail, CloudWatch, VPC, KMS, SCAP, ACAS, CloudFormation, Terraform, Bash, Python, PowerShell, Splunk, ELK, Security Hub, SIEM, ECS, EKS, AWS Organizations, Service Control Policies
1w
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IT Systems Administrator
Warrenton, Missouri, United States
OnsiteFull Time
Support and maintain servers, Microsoft 365, Active Directory/Entra ID, networking, workstations, backups, and provide technical support across multiple locations.
Microsoft 365, Windows Server, Active Directory/Entra ID, Group Policy, POS
6d
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Systems Administrator (TS/SCI Clearance Required with agreement to obtain CI Poly)
Alexandria or Chantilly or Englewood or Gaithersburg or Tucson or Saint Louis
OnsiteFull Time
Active TS/SCI clearance with agreement to obtain CI Poly, Linux/Windows administration, virtualization (VMware/KVM), automation (Ansible, PowerShell, Bash, Python), cloud (AWS GovCloud/Azure Government), STIG/RMF compliance, DoD 8570 IAT II/III, bachelor's degree preferred.
Red Hat Enterprise Linux, CentOS, Windows Server, VMware, KVM, Ansible, Bash, PowerShell, Python, AWS GovCloud, Azure Government, ACAS, Git, Jenkins, Docker, DNS, DHCP, Active Directory, PKI
2w
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Systems Administrator - Contract
St. Louis, Missouri, United States
$35-$50/hr OnsiteFull Time, Contract
Design, coordinate and implement IT infrastructure and unified communications, provide network and server support, travel 15–50% (domestic/international), valid driver's license, lift 50 lbs, participate in on-call rotation.
Windows, Mac
1w
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System Administrator (Desktop Support)
Arnold, Missouri, United States
$110k-$120k/yr OnsiteFull Time
5+ YOEActive TS/SCI clearance required; BA/BS or equivalent; 5+ years experience; Security+ or CASP and ITIL v4 Foundations; strong troubleshooting, communications, and desktop/sysadmin skills including VDI, Citrix, SMS, and SCCM.
Virtual Desktop Infrastructure (VDI), Microsoft Windows 11, Microsoft Windows 10, Microsoft Windows 7, Citrix, SMS, SCCM, Thin Client, KVM, VOIP
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