22 infrastructure administrator jobs at 16 companies in Belleville, IL
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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)
3d
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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
3mo
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Cloud Infrastructure Administrator (Mid-Level, Senior or Lead) **Sign on Bonus Potential**
Berkeley or Seattle or Daytona Beach
$105k-$239k/yr OnsiteFull Time
3+ YOE3+ years cloud infrastructure management; Azure or AWS; IaC with Bicep/ARM/Terraform; PowerShell scripting.
Microsoft Azure, Terraform, Ansible, PowerShell, Bash, ARM, Bicep
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Cloud Infrastructure Administrator (Mid-Level, Senior or Lead) **Sign on Bonus Potential**
Berkeley or Seattle or Daytona Beach
$105k-$239k/yr OnsiteFull Time
3+ YOE3+ years in Cloud Computing and Infrastructure Management; IaC with Terraform/PowerShell/Bicep-ARM; Azure or AWS experience; scripting for automation; SAP access ability.
Azure, Terraform, PowerShell, Bicep, ARM, Ansible, Terraform
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Infrastructure Engineer
Maryland Heights, Missouri, United States
OnsiteFull Time
Hands-on server/infrastructure operations (Windows/Linux), monitoring, backup/restore, Active Directory administration (scoped), ITSM/ITIL practices, on-call availability, and working in regulated GxP environments.
Windows Server, Linux, VMware, Microsoft Hyper-V, Microsoft Azure, Veeam, Active Directory, Group Policy (GPO), CMDB
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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
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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
2w
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IT Infrastructure Analyst
Nashville, Illinois, United States
OnsiteFull Time
3+ YOEBachelor's degree in IT, computer science, or related field; 3+ years of infrastructure administration; Windows Server, Active Directory, Group Policy, VMware, networking, backup, disaster recovery, security, troubleshooting, and documentation skills.
Windows Server, VMware, SAN, Microsoft Active Directory, Group Policy, TCP/IP, VLAN, VPN, DNS, DHCP, Microsoft Azure, AWS, Cisco, Meraki, Microsoft Office 365, NetApp, Dell EMC, IDS/IPS, PowerShell, SCCM, Microsoft Intune, 3CX
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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
1w
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MOBILE Network Administrator
St. Louis, Missouri, United States
$27/hr FieldFull Time
Network administration, network management, server infrastructure, backup methods, security, troubleshooting, communication, and a valid Missouri driver's license; bachelor's degree and prior experience preferred.
Juniper, Cisco, CWNA, BCNE
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Systems Administrator
St. Louis, Missouri, United States
HybridFull Time
4+ YOERequires 4–6 years supporting production server hardware/software, Active Directory, and network infrastructure; or a bachelor's degree or equivalent experience with 5+ years in a Microsoft server environment.
Microsoft Windows Server, Active Directory, RAID, Agile, Scrum, TCP/IP, DNS, DHCP, Cisco, SAN
1w
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IT Systems Administrator II
Creve Coeur, Missouri, United States
OnsiteFull Time
2+ YOETwo years of systems administration experience required, with Microsoft 365, Active Directory, Entra ID, virtualization, cloud-integrated systems, PowerShell automation, and infrastructure project experience. Associate's degree preferred.
Microsoft 365, Azure, Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Active Directory, Entra ID (Azure AD), Microsoft Copilot, PowerShell, Windows, Linux, Unix, Nutanix, HSA, FSA, CHUBB, 401K, Employee Stock Ownership Plan (ESOP)
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AWS ECDS Systems Administrator
St. Louis, Missouri, United States
OnsiteFull Time
4+ YOETS/SCI with CI poly, Bachelor's in technical field, 4+ years relevant experience, DoD 8140.01/8570 IAT Level II, AWS infrastructure and Linux experience, scripting with Python/Bash, EM security practices.
AWS, EC2, EBS, VPC, IAM, AWS CLI, CloudFormation, Python, Bash
2w
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Sr. Systems Engineer – SQL Database Administrator.
Saint Paul or Atlanta or Hopkins or Charlotte or Chicago or Gresham or Denver or Brookfield or Earth City
$105k-$124k/yr HybridFull Time
10+ YOEBachelor's degree or equivalent experience; 5+ years in IT and 10+ years designing, developing, and supporting technology infrastructure. Requires advanced SQL Server, cloud, HA/DR, security, T-SQL, PowerShell, and leadership expertise.
Microsoft SQL Server, Microsoft Azure, Amazon Web Services (AWS), Always On Availability Groups, Failover Clustering, Replication, Log Shipping, T-SQL, PowerShell
2d
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IT & Cloud Support Analyst I
St. Louis, Missouri, United States
$26-$34/hr OnsiteContract
2+ YOETwo years of help desk, systems administration, or DevOps experience; associate or bachelor's degree in a related field; familiarity with Jira Service Management, cloud infrastructure, dashboards, and logs.
Jira, AWS, Azure, Jira Service Management, MFA
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Endpoint Security Engineer III - Nessus
St. Louis or Springfield
$75k-$158k/yr OnsiteFull Time
10+ YOETS/SCI clearance, DoD 8570 IAT Level II, CSSP Infrastructure Support within 6 months, 10+ years cyber security experience, Tenable and Linux administration, bachelor's degree (or equivalent experience).
Tenable Security Center, Tenable Nessus, Tenable Nessus Manager, Tenable Suite, Linux, Python, PowerShell
2w
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IT & Cloud Support Analyst I - Paid Training Program
St. Louis, Missouri, United States
$24-$34/hr HybridFull Time, Contract
2+ YOESome technical experience or relevant education; 2 years of help desk, systems administration, or DevOps experience preferred. Requires onsite availability, troubleshooting ability, and familiarity with ticketing systems, cloud infrastructure, dashboards, and logs.
Jira, AWS, Microsoft Azure, Pluralsight, GitLab University, GitLab CI/CD, Kubernetes, Amazon EKS, Amazon EC2, Amazon S3, Amazon IAM, Amazon EBS, Amazon ECR, Terraform, Istio, Argo CD, Elastic, Jira Service Management, MFA
3mo
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Cyber Security Engineer - NSS Tools
St. Louis, Missouri, United States
$75k-$158k/yr OnsiteFull Time
7+ YOEActive TS/SCI clearance, DOD 8570 IAT II and CSSP Infrastructure Support, 7+ years experience, Linux system administration, shell scripting, logging and networking, familiarity with AWS, Ansible, and GitHub/GitLab; Bachelor's degree required.
Linux, shell scripting, tcpdump, Traceroute, Ping, Netstat, nslookup, EC2, S3, CloudFormation, Terraform, Ansible, GitHub, GitLab, SEIM
2mo
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Cybersecurity Operations Specialist -SIEM Services (Evergreen)
St. Louis, Missouri, United States
$128k-$173k/yr OnsiteFull Time
6+ YOEActive Top Secret/SCI clearance required, able to obtain TS/SCI + polygraph; 6+ years SIEM experience (ArcSight, ElasticSearch, Splunk, Kibana, Event Broker, UBA); RHEL Linux administration; DoD 8570.01-M IAT Level II and CSSP Infrastructure Support certifications; US citizenship.
ArcSight SIEM, ElasticSearch, Kibana, Splunk, Event Broker, User Behavioral Analysis (UBA), Linux (RHEL), Enterprise Audit
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