54 infrastructure administrator jobs at 43 companies in Oak Forest, IL
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Senior Infrastructure Systems Administrator
Lisle or Chicago
HybridFull Time
7+ YOE7+ years infrastructure/systems administration experience with Unix/Linux and Solaris, SAN/storage and on‑prem server support, strong troubleshooting, networking fundamentals, and ability to support on‑call/after‑hours production systems.
Solaris 10, Solaris 11, Linux, Windows, SAN, VMware, AWS, Azure, Apache, Tomcat, PostgreSQL, Bash, PowerShell, Python, Grafana, Prometheus, Nagios, Zabbix, SolarWinds
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Administrator III, IT Infrastructure
Chicago, Illinois, United States
$88k-$118k/yr OnsiteFull Time
4+ YOE4+ years IT systems/endpoint administration; advanced expertise with Windows 10/11, Intune, Autopilot, MECM/SCCM, Jamf; AD/Azure AD (Entra), Conditional Access, Microsoft 365, endpoint security; on-call and domestic/international travel as needed; eligible to work in US without sponsorship.
Intune, Autopilot, MECM/SCCM, Jamf, Windows 10/11, Active Directory, Azure AD (Entra), Microsoft 365, EDR, PowerShell, Azure Virtual Desktop, Citrix
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Administrator III, IT Infrastructure
Chicago, Illinois, United States
$88k-$118k/yr OnsiteFull Time
4+ YOE4+ years in IT systems or endpoint management; advanced expertise with Windows 10/11, Intune, Autopilot, MECM/SCCM, Jamf; AD and Azure AD (Entra) identity management; Microsoft 365 and endpoint security; on-call and travel as needed.
Windows 10/11, Intune, Autopilot, MECM, SCCM, Jamf, EDR, Active Directory, Azure AD (Entra), Conditional Access, Microsoft 365, PowerShell, Azure Virtual Desktop, Citrix
2d
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SR INFRASTRUCTURE SECURITY ENGINEER
Bloomingdale, Illinois, United States
$122k-$152k/yr OnsiteFull Time
5+ YOERequires 5+ years in systems administration, infrastructure, or security engineering; strong Windows Server, Active Directory, Microsoft 365, Entra ID, patching, vulnerability remediation, and infrastructure security experience. Bachelor's preferred.
Windows Server, Active Directory, Microsoft 365, Microsoft Entra ID, Microsoft Purview, Microsoft Excel, PowerShell, VMware, Hyper-V, Linux, UNIX, Microsoft Defender, Microsoft Intune, SIEM
1d
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Network Administrator
Aurora, Illinois, United States
$60k-$80k/yr OnsiteFull Time
5+ YOEBachelor's in information technology, 5+ years of network administration experience, broad infrastructure and endpoint expertise, English fluency, ability to lift 40 pounds, and successful federal background check.
Windows, Linux, VLAN, ACL, Ethernet, VPN, AD, MFA, DNS, DHCP, PKI, VoIP, MDM, Teams, Webex, Microsoft 365, Mac, Printers, SIEM, EDR, WAF, PowerShell
2d
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Sr. Infrastructure Engineer
Irving or Chicago
$89k-$156k/yr OnsiteFull Time
5+ YOERelevant degree preferred; 5+ years of relevant IT experience, enterprise application administration, Tier 3 troubleshooting preferred, Elasticsearch/Kibana, PowerShell, Python or Java, and strong communication and problem-solving skills.
Elasticsearch, Kibana, PowerShell, Python, Java
2d
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Sr. Infrastructure Engineer
Irving or Chicago
$89k-$156k/yr OnsiteFull Time
Vizient: Provides performance improvement and supply chain services to hospitals
5+ YOERelevant degree preferred; 5+ years of relevant IT experience, enterprise application administration, Tier 3 troubleshooting preferred, Elasticsearch/Kibana, PowerShell, Python or Java, and strong communication and problem-solving skills.
Elasticsearch, Kibana, PowerShell, Python, Java
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System Administrator I
Homewood, Illinois, United States
$75k-$85k/yr OnsiteFull Time
3+ YOE3+ years systems administration experience with enterprise infrastructure, virtualization (Nutanix/VMware), Microsoft Windows, Active Directory, Intune, Azure, Veeam, PowerShell, monitoring and compliance tools.
Nutanix, VMware, Microsoft Windows, Microsoft Intune, Microsoft Office 365, Mimecast, Microsoft Active Directory, Group Policy, Veeam Backup, PowerShell, PRTG, LogRhythm
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System Administrator I
Homewood, Illinois, United States
$75k-$85k/yr OnsiteFull Time
3+ YOE3+ years systems administration experience with enterprise infrastructure, virtualization, Windows OS, Active Directory, PowerShell, Intune/Azure, and monitoring tools; strong communication and problem-solving skills.
Nutanix, VMware, Windows OS (2003–2019), Intune, Azure, Office 365, Mimecast, Active Directory, Group Policy, Veeam Backup, PowerShell, PRTG, LogRhythm
3w
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OUD LDAP Administrator
Chicago, Illinois, United States
$100k-$115k/yr OnsiteFull Time
6+ YOEExpertise in LDAP and Oracle Unified Directory administration, SSL/TLS and identity integrations, Linux and shell scripting, HA/DR and infrastructure troubleshooting; bachelor's degree and 6+ years experience.
LDAP, Oracle Unified Directory (OUD), OUDSM, Entra ID (Azure AD), Okta, Oracle IAM, Linux, Bash, Korn shell
9h
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Lead Systems Administrator
Chicago or Bethlehem
$117k-$154k/yr HybridFull Time
5+ YOE5+ years supporting enterprise IT and leading complex initiatives; Azure administration, Windows Server, Active Directory, Group Policy, infrastructure security, automation, troubleshooting, and technical leadership required.
Azure, Microsoft 365, Microsoft Entra ID, Windows Server, Active Directory, Group Policy, DNS, DHCP, PowerShell, VMware, Microsoft Defender, Microsoft Intune
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Vice President, Lead Engineer - Infrastructure Operations
Chicago or Atlanta or New York City
$175k-$190k/yr OnsiteFull Time
10+ YOE5+ MgmtBachelor's in IT/CS/Engineering or equivalent, 10+ years enterprise infrastructure experience, 5+ years people management, OS and network administration, cloud IaaS OS-level management, endpoint and identity services experience.
Azure, AWS, PowerShell, Python, SD-WAN, VLANs, DHCP, DNS, Infrastructure-as-Code
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Cloud Infrastructure Engineer
Chicago, Illinois, United States
$110k-$120k/yr HybridFull Time
5+ YOE3+ years M365 and Azure administration, 5+ years IT experience, PowerShell and automation experience, disaster recovery and security knowledge, strong communication and project leadership skills.
Microsoft Azure, Microsoft 365, Azure Firewall, Network Security Groups, Exchange, Teams, Teams Telephony, SharePoint, OneDrive, Microsoft Purview, PowerShell, Terraform, Entra ID, Intune, Cisco Meraki, Azure Monitor, Log Analytics, App Insights
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IT Infrastructure Manager
Villa Park, Illinois, United States
$130k-$150k/yr OnsiteFull Time
7+ YOE7+ years progressive IT experience with management or technical lead responsibility; deep Microsoft 365 and Azure administration, Intune and endpoint management, Fortinet networking, PowerShell/automation, backup/recovery, service desk ownership, and strong communication.
Microsoft 365, Azure, Entra ID, Exchange Online, SharePoint Online, OneDrive, Microsoft Teams, Azure Storage Accounts, Microsoft Intune, Autopilot, Windows 11, Microsoft Defender, PowerShell, Microsoft Graph, Fortinet, Druva, LogicMonitor, CrowdStrike Falcon Complete, KnowBe4, SolarWinds Service Desk (Samanage), NinjaRMM, Verkada, Konica, HP, Microsoft Teams Phone, Brightfin, Microsoft Business Central, Dynamics 365 Sales, Power Platform
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Network Administrator
Chicago, Illinois, United States
$55k-$80k/yr OnsiteFull Time
3+ YOEBachelor's in IT or equivalent, 3+ years administering enterprise network infrastructure, Cisco and firewall experience, Windows Server/Active Directory/Microsoft Entra ID, Microsoft 365, Azure networking, strong troubleshooting and communication skills; ability to travel up to 25%.
Cisco, TCP/IP, DNS, DHCP, VLAN, Windows Server, Active Directory, Microsoft Entra ID (Azure AD), Microsoft 365, Group Policy, Azure, macOS, firewall, VPN
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Lead Databricks Administrator
Chicago or Irving
$98k-$182k/yr HybridFull Time
7+ YOE7+ years in database/data platform or cloud infrastructure, 3+ years administering Databricks, strong IAM and Unity Catalog knowledge, Terraform/automation, SQL/Unix/Linux and scripting; BS preferred or equivalent experience.
Databricks, Unity Catalog, Terraform, AWS, Azure, GCP, SQL, Unix/Linux, Python, Scala, APIs, CI/CD, SSO, SCIM, RBAC
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Lead Databricks Administrator
Chicago or Irving
$98k-$182k/yr OnsiteFull Time
7+ YOE7+ years in database/data platform or cloud infrastructure, 3+ years administering Databricks, experience with AWS/Azure/GCP, IAM/SSO/SCIM, Unity Catalog, Terraform/automation, strong SQL, Unix/Linux and scripting skills.
Databricks, Unity Catalog, Terraform, Python, Scala, SQL, Unix/Linux, CI/CD, APIs, SSO, SCIM, AWS, Azure, GCP
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Linux Systems Administrator
Chicago, Illinois, United States
$82k-$110k/yr HybridFull Time
2+ YOE2+ years supporting enterprise Linux and virtualized/hybrid environments; experience with RHEL, VMware, Red Hat Satellite, Ansible, HPE infrastructure, SAN/Veeam/Avamar, Azure, scripting, and 24/7 production support.
Red Hat Enterprise Linux, VMware, VMware ESXi, Red Hat Satellite, Ansible, CI/CD, Azure, HPE, Veeam, Avamar, Oracle, Docker, Kubernetes
2mo
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Store IT Administrator (Korean Bilingual)
Chicago, Illinois, United States
$60k/yr OnsiteFull Time
Korean bilingual required; prior store IT or IT support experience preferred; basic knowledge of network and CCTV systems; strong problem-solving and communication skills; participate in a 3-week HQ onboarding.
PCs, POS systems, printers, CCTV systems, network infrastructure
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Associate Director, Research, Operations, and Infrastructure
Chicago, Illinois, United States
$135k-$165k/yr HybridFull Time
7+ YOECollege degree and 7+ years' experience in systems/network/HPC operations, team leadership, disaster recovery, security administration, and project and budget management.
Python, R, MATLAB, Jupyter, Slurm
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