72 windows administrator jobs at 46 companies in Weldon Spring, MO
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System Administrator
Earth City, Missouri, United States
$60k-$85k/yrOnsiteFull Time
Credit Control: Provides debt recovery and accounts receivable management services.
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
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
Foxhole Technology: A technology services provider delivering cybersecurity and IT support to federal civilian and defense agencies.
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
DecisionPoint: Provides IT and cybersecurity services for federal government agencies.
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
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
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).
ARCO Design/Build: Provides design-build construction for industrial and commercial facilities.
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
System Administrator II / System Administrator III – Hybrid – Chesterfield, MO (St. Louis)
Chesterfield, Missouri, United States
HybridFull Time
Experitec: Provides industrial automation products and process control engineering services.
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
PENN EntertainmentNASDAQ: PENN: Operates casinos, racetracks, and online sports betting platforms.
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
GDITNYSE: GD: Delivers IT and mission services to government agencies.
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
Chenega Corporation: Provides professional government, defense, and facility support services.
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
Help Desk / Systems Administrator / Service Desk Engineer
St. Louis, Missouri, United States
OnsiteFull Time
Forward Slash Technology: Providing managed IT services, cybersecurity, and cloud solutions.
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
Eastern Metal Supply: Distributor and manufacturer of custom and standard aluminum products.
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.
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
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)
Systems Administrator / Systems Infrastructure Lead
Scott Air Force Base, Illinois, United States
$115k-$130k/yrOnsiteFull Time
Computer World Services: Provides IT modernization and cybersecurity solutions for federal government agencies.
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
Systems Administrator – AWS GovCloud (DoD Classified Environments)
Belleville, Illinois, United States
OnsiteFull Time
NV5NASDAQ: NVEE: Technical engineering and consulting for infrastructure and energy projects.
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
Systems Administrator / Systems Infrastructure Lead
Scott Air Force Base, Illinois, United States
OnsiteFull Time
EPS Corporation: Provides engineering, logistics, and technical solutions to federal agencies.
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
Prometric: Provides technology-enabled testing and assessment solutions globally.
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
SpireNYSE: SR: Provides natural gas utility services to homes and businesses.
4+ YOE4+ years IT experience required; manage Active Directory, virtual and physical servers, VMware, Office 365; strong troubleshooting, change control, and disaster recovery skills.
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
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
Houston or Melbourne or St. Paul or St. Louis or Sioux Falls
$57k-$81k/yrHybridFull Time
HR Green: Provides engineering and technical consulting for infrastructure and community projects.
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