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125 senior system administrator jobs at 97 companies in Chicago, IL

5d
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System Administrator
Wheeling, Illinois, United States
$80k-$90k/yr OnsiteFull Time
George J. Priester Aviation
George J. Priester Aviation: Provides private aircraft management, jet charter, and maintenance services.
5+ YOERequires 5 years with ticketing systems, 3 years of iPad MDM, cloud administration experience, Windows and macOS troubleshooting, networking knowledge, and customer-focused problem-solving skills.
Microsoft Entra ID, Intune, Autopilot, Exchange Online, Microsoft Defender, Freshservice, Windows 11, macOS, iPad, MaaS360, Jamf, Cisco Meraki, Access Points, Switches, Firewalls, Cameras, LAN, VLAN, WLAN, Microsoft Intune, Microsoft 365, PowerShell, Bash, Apple Business Manager, Dell
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1w
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System Administrator (On Site)
Chicago, Illinois, United States
OnsiteFull Time
Agfa
AgfaEuronext Brussels: AGFB: Develops imaging and IT solutions for healthcare and industry.
5+ YOEBachelor's degree in computer science, 5–7 years of systems administration experience, 2+ years of Linux administration, cloud and networking expertise, and strong troubleshooting and clinical workflow skills.
Linux, AWS, Windows, TCP/IP, DNS, DHCP, PACS
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1mo
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Senior System Administrator II (Ceph Engineer)
Chicago or San Francisco
OnsiteFull Time
Adyen
AdyenEuronext Amsterdam: ADYEN: Unified payment platform for global business commerce.
5+ YOE5+ years Linux systems administration focused on storage, experience with enterprise storage (Purestorage, NetApp, EMC, Dell, IBM, Hitachi), RAID/LVM/NFS/iSCSI, shell scripting, Python/Ansible/Puppet, virtualization, cloud storage and monitoring tools.
Ceph, Purestorage, NetApp, EMC, Dell, IBM, Hitachi, RAID, LVM, NFS, iSCSI, ext4, XFS, ZFS, shell scripting, Python, Puppet, Ansible, VMware, KVM, AWS S3, EBS, Nagios, Prometheus, Zabbix
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2w
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System Administrator II
Las Vegas or Chicago
$105k/yr HybridFull Time
Flyover Las Vegas
Flyover Las Vegas: An award-winning immersive flying theatre experience transporting guests through iconic places and natural landscapes.
5+ YOERequires 5+ years in network administration or engineering, multi-site network ownership, enterprise switching and routing, firewall and VPN administration, wireless design, and troubleshooting. Bachelor's degree or equivalent practical experience required.
TCP/IP, DNS, DHCP, VLANs, OSPF, BGP, QoS, Palo Alto, Fortinet, Cisco ASA, VPN, SD-WAN, Meraki, Aruba, Azure, AWS, CCNA, CCNP
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3w
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System Administrator
Lake Zurich, Illinois, United States
$90k-$110k/yr HybridFull Time
ECHO
ECHOTokyo Stock Exchange: 6817: Manufactures professional-grade handheld outdoor power equipment and tools.
5+ YOE5+ years supporting IBM Power/IBM i environments, Infor XA ERP experience, backup and SAN knowledge, HMC, PowerHA, IBM MQ, SQL/Db2, and disaster recovery skills.
IBM Power Systems, IBM i, Infor XA ERP, HMC, IBM BRMS, Spectrum Protect, FlashCopy, VTL, SAN, PowerHA, IBM MQ, SQL, Db2, LaserVault
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1mo
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OIG System Operations Administrator
Chicago, Illinois, United States
OnsiteFull Time
Chicago Public Schools
Chicago Public Schools: Public school district serving the city of Chicago.
5+ YOEBachelor's degree, 5+ years systems administration including network and server management, information security, project and vendor coordination, enterprise systems support; digital forensics/OSINT experience preferred.
G-Suite, Windows Server, Aspen, Oracle, Kronos
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1w
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System Administrator II - Network
Chicago or Las Vegas or Reykjavik or Vancouver
$105k/yr HybridFull Time
Flyover
Flyover: Immersive flying theater attractions for tourists and visitors.
5+ YOE5+ years in network administration or engineering, enterprise networking, firewalls, VPNs, wireless, monitoring, and troubleshooting; bachelor's degree or equivalent practical experience preferred.
TCP/IP, VLAN, OSPF, BGP, QoS, Palo Alto, Fortinet, Cisco ASA, VPN, SD-WAN, Meraki, Aruba, Azure, AWS, CCNA, CCNP
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1mo
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OIG System Operations Administrator
Chicago, Illinois, United States
$80k-$103k/yr OnsiteFull Time
Chicago Public Schools
Chicago Public Schools: Public school district providing K-12 education in Chicago.
5+ YOEBachelor's degree and minimum 5 years systems administration experience including network and server management, information security, project/vendor coordination, enterprise systems support; digital forensics preferred; occasional after-hours work.
G-Suite, Windows Server, Aspen, Oracle, Kronos, Chromebook
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1mo
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Senior Associate, ServiceNow - Certified System Administrator
Irvine or Los Angeles or San Francisco or Denver or Washington or Tampa or Atlanta or Chicago or Boston or St Louis or Short Hills or New York City or Philadelphia or Austin or Dallas or Houston or Seattle
$94k-$203k/yr OnsiteFull Time
KPMG
KPMG: Global professional services network providing audit, tax, and advisory.
3+ YOE3+ years managing enterprise systems with ServiceNow focusing on ITSM/ITOM/IRM, ServiceNow CSA required, JavaScript customization skills, agile delivery and team leadership experience.
ServiceNow, JavaScript
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1w
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Site System Administrator
Chicago, Illinois, United States
OnsiteFull Time
Empower AI
Empower AI: Providing AI-enabled technology solutions for federal government agencies.
5+ YOERequires 5+ years of experience, a bachelor's degree in IT or a related field, and Secret clearance. Preferred certifications include CompTIA Security+ and ITIL 4 Foundation.
Active Directory (AD), System Center Configuration Manager, Travel Document Issuance System, Passport Records Imaging System Management, Automated Cash Register System, vSphere Installation Bundles (VIBs), Oracle, SQL, ServiceNow
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2mo
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Senior Network Architect & Administrator
Chicago, Illinois, United States
$150k-$185k/yr OnsiteFull Time
Loop Capital
Loop Capital: Full-service investment bank providing capital solutions and financial advisory.
8+ YOEDesign, implement, and maintain enterprise network for trading systems; 8+ years in network engineering; expertise in NGFW, cloud networking, and financial connectivity.
NGFW platforms, Cloud platforms (AWS, Azure, GCP), SIEM (Splunk, Sentinel, QRadar, Elastic), IAM platforms (Azure AD/Entra, Okta, Ping), ZTNA, MFA, Python, PowerShell, Ansible
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1mo
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Senior Infrastructure Systems Administrator
Lisle or Chicago
HybridFull Time
Datavault AI
Datavault AINasdaq: DVLT: AI-driven data management, valuation, and event technology solutions.
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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3mo
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IT Systems Administrator
Glenview, Illinois, United States
$89k-$113k/yr OnsiteFull Time
ITW
ITWNYSE: ITW: Global manufacturer of specialized industrial equipment and consumables.
7+ YOESenior IT Systems Administrator with 7+ years of experience; strong Windows Server, AD, DNS/DHCP, virtualization, and hybrid cloud skills; able to manage backups, security, and network design.
Windows Server, Active Directory, DNS, DHCP, VMware, VPN, Cloud, Networking, Scripting
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3w
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Senior Technical Operations Administrator
Libertyville, Illinois, United States
$85k-$100k/yr OnsiteFull Time
Pharma Logistics
Pharma Logistics: A logistics providing pharmaceutical distribution and warehouse services.
7+ YOE7+ years systems administration experience with Microsoft administration, VMware, Nimble storage, networking, security, and advanced user support; strong communication and customer-service skills.
Microsoft 365, Microsoft Teams, Microsoft Outlook, Microsoft SharePoint, Microsoft Exchange Online, Microsoft Entra ID/Azure AD, Microsoft Active Directory, Microsoft Group Policy, Microsoft Windows Server, VMware vSphere, Nimble Storage, VPN, DNS, DHCP, TCP/IP, Palo Alto, PowerShell
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1w
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Senior Database Administrator
Chicago, Illinois, United States
$90k-$134k/yr HybridFull Time
University of Illinois Chicago
University of Illinois Chicago: Public research university and academic medical center in Chicago.
4+ YOEBachelor's degree in computer science, engineering, information systems, related information management, or clinical study; 4+ years of database administration experience with Oracle or SQL Server, SQL, performance tuning, and backup and recovery.
Oracle, Microsoft SQL Server, Structured Query Language (SQL), Cache’, Sybase, Statspack, OEM/GRID Control, T-SQL, Azure, AWS, Windows, Linux/UNIX, IP addressing, VPNs, firewalls, ITIL
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1mo
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Senior Systems Administrator
Des Plaines, Illinois, United States
OnsiteFull Time
Oakton College
Oakton College: A public community college providing associate degrees and certificates.
Manage day-to-day operations and system security for hypervisor, Microsoft Windows, and Linux hosts; install and maintain server operating systems and equipment; supervise related activities and resource allocation.
Hypervisor, Microsoft Windows, Linux
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5d
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Senior Systems Administrator
Chicago or Toronto
$97k-$128k/yr HybridFull Time
S&C Electric Company
S&C Electric Company: Manufactures switching and protection equipment for the electrical grid.
5+ YOE5+ years administering Microsoft hybrid identity and access environments, including Active Directory and Microsoft Entra ID; associate degree or equivalent; Microsoft identity certification required within six months.
Microsoft Entra ID, Active Directory, Microsoft 365, Microsoft Entra Privileged Identity Management, PowerShell, Microsoft Graph, Kusto Query Language
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6h
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Benefits Administrator
Chicago or Canada
$106k-$120k/yr HybridFull Time
Coates Group
Coates Group: Provides digital signage and content management for retail brands.
7+ YOERequires 7+ years of benefits administration or related HR experience, a bachelor's degree or equivalent experience, U.S. and Canadian benefits knowledge, and proficiency with Microsoft Office, HRIS, payroll, benefits, and carrier systems.
HiBob, ADP, Microsoft Office, HRIS, payroll systems, benefits systems, carrier systems
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1w
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Health System Specialist
Salt Lake City or Seattle or Phoenix or Los Angeles or San Francisco or Denver or Washington or Miami or Atlanta or Chicago or Indianapolis or New Orleans or Boston or Minneapolis or Kansas City or Albuquerque or New York or Oklahoma City or Portland or Austin
$75k-$173k/yr OnsiteFull Time
Department of Veterans Affairs
Department of Veterans Affairs: Provides healthcare, benefits, and cemetery services to military veterans.
1+ YOERequires U.S. citizenship and a degree in hospital or public health administration, related administration with healthcare coursework, or specialized healthcare administration experience. GS-11 requires one year of specialized experience or qualifying graduate education.
Sterile Processing Accountability Tool (SPAT), Risk Identification Triage Mitigation System (RiTMS), USA Hire, Microsoft Word, Microsoft Excel, Microsoft Access, Microsoft PowerPoint
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ServiceNow Lead Systems Administrator
Libertyville, Illinois, United States
$120k-$160k/yr OnsiteFull Time
Hollister Incorporated
Hollister Incorporated: Develops and manufactures specialized ostomy and continence healthcare products.
8+ YOEBachelor’s degree and 8+ years of enterprise systems administration experience, including configuration, release management, access controls, integrations, data governance, ITSM, compliance, and operational support.
ServiceNow, Excel, SAP, HRIS, ITSM, ITOM, ITAM, Discovery, MID Server, Service Mapping, Event Management, Operational Intelligence, APIs, Import Sets, Integration Hub, ITIL, Cloud
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