18 linux administrator jobs at 16 companies in Union, IL
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System Administrator (Red Had / Linux)
Hines, Illinois, United States
OnsiteFull Time
Red Hat Enterprise Linux administration, shell scripting/automation (Bash, Python, Ansible), virtualization and cloud experience (VMware,vSphere,Red Hat Virtualization,AWS,Azure), networking and storage knowledge, and ability to pass a Tier 2 background investigation.
Red Hat Enterprise Linux, Red Hat, DNS, NFS, SSH, FTP, Apache, VMware, vSphere, Red Hat Virtualization, Bash, Python, Ansible, Amazon Web Services, Microsoft Azure, LDAP, Active Directory, SAN, NAS, CI/CD
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System Administrator (Red Had / Linux)
Hines, Illinois, United States
OnsiteFull Time
Red Hat Enterprise Linux administration, shell scripting (Bash/Python/Ansible), virtualization (VMware), cloud (AWS/Azure), networking, storage, LDAP/AD, monitoring, security compliance, RH certifications preferred, bachelor\u0002s or equivalent, ability to pass Tier 2 background investigation.
Red Hat Enterprise Linux, Bash, Python, Ansible, VMware, vSphere, Red Hat Virtualization, Amazon Web Services (AWS), Microsoft Azure, Apache, LDAP, Active Directory, LVM, NFS, SSH, FTP
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System Administrator
Mount Pleasant, Wisconsin, United States
OnsiteFull Time
2+ YOEManage Windows/Linux/Mac systems, Active Directory/Group Policy, virtualization, backups, monitoring (Zabbix, Graylog), endpoint security/MDM, hardware/software inventory, documentation, staff training. Bachelor's in CS/IT required; 2+ years system administration experience.
Windows, Linux, Mac, Active Directory, Group Policy, Zabbix, Graylog, MDM
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IT Security Administrator
Rosemont, Illinois, United States
$87k-$109k/yr OnsiteFull Time
1+ YOEBachelor's in relevant field or HS with extensive experience; 1+ years system administration experience (Windows, Linux, Cisco) preferred; knowledge of vulnerability assessment, patch management, application security controls, and compliance frameworks; Microsoft Office proficiency.
Windows Servers, Linux Servers, Cisco Networking Equipment, Microsoft Office, Power BI, Power Platform, NIST, PCI, IOTCA
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Systems & Network Administrator
Kenosha, Wisconsin, United States
HybridFull Time
3+ YOE3+ years systems and network administration experience; strong knowledge of firewalls, VPN, routing, switching, Microsoft Server, Linux, virtualization, and cybersecurity; CJIS compliance and US citizenship required; ability to support 24/7 environments and respond to priority incidents.
CAD, LERMS, TIME System, ERP, Office 365, Microsoft Server, Linux, virtualization platforms, VPN, firewall, MFA, antivirus
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Network Administrator
Milton, Wisconsin, United States
$60k-$80k/yr OnsiteFull Time
5+ YOEBachelor's in IT and 5+ years network administration experience; strong networking, server, endpoint, security, and scripting skills; pass federal background check.
Windows, Linux, VLAN, ACL, routing, Ethernet, wireless, firewalls, VPN, AD, MFA, DNS, DHCP, email, backup, remote desktop, file shares, SQL, PKI, VoIP, MDM, Teams, Webex, Microsoft 365, PowerShell, SIEM, EDR, WAF
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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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Senior Systems Administrator
Des Plaines, Illinois, United States
OnsiteFull Time
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
2mo
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IT Systems Administrator
Des Plaines, Illinois, United States
$90k-$120k/yr HybridFull Time
7+ YOE7+ years IT experience (or equivalent), strong Microsoft/Azure environment skills (Azure AD, on-prem AD, Intune, Microsoft 365), virtualization, NetApp storage, networking, cybersecurity, PowerShell; bachelor’s or equivalent preferred.
Azure Active Directory, Active Directory, Microsoft 365, Microsoft Teams, Microsoft Intune, NetApp, Microsoft Copilot, PowerShell, Power BI, Power Apps, SharePoint Online, Java, SQL, Linux
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Associate IT Systems Administrator
Kenosha, Wisconsin, United States
OnsiteFull Time
3+ YOEBachelor's degree and 3+ years IT experience. Strong knowledge of Microsoft Active Directory, DNS, DHCP, NTFS, LAN/WAN, IP address management, Microsoft Azure, UNIX, enterprise systems, project management, and customer service.
Microsoft Active Directory, DNS, DHCP, NTFS, Microsoft Windows, LAN/WAN Networking, IP Address Management, Microsoft Azure, UNIX, Intel
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Data Center Technician
Lisle, Illinois, United States
$80k-$90k/yr OnsiteFull Time
2+ YOE2+ years data center experience; strong Linux administration; experience with Ethernet and InfiniBand networking, power and cooling infrastructure, DCIM, cabling, troubleshooting, and on-call support.
Linux, Ethernet, InfiniBand, DCIM, Dell, Nvidia
1mo
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IT Manager, Ops Tech Solutions (OTS)
Channahon or Romeoville
$117k-$160k/yr OnsiteFull Time
5+ YOE5+ Mgmt5+ years leading technical teams across locations, IT operations management experience, Linux/Unix administration, stakeholder communication, experience in 24x7 support environments, bachelor's degree or equivalent experience.
Linux, Unix, Windows, Android
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Technical Software Product Specialist
Downers Grove, Illinois, United States
$75k-$85k/yr OnsiteFull Time
2+ YOEComputer Science degree; 2–3 years of software development and integration experience; Linux command-line expertise; Windows administration; Bash, PowerShell, Python, REST API development, and troubleshooting skills.
Python, Bash, PowerShell, REST API, Linux, Microsoft Windows, Raspberry Pi OS, TCP/IP, RS-232, HDMI-CEC, USB, GPIO
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Systems Engineer
Evanston, Illinois, United States
$80k-$95k/yr OnsiteFull Time
3+ YOE3+ years system administration experience with Linux/Windows, scripting (PowerShell, Bash, or Python), troubleshooting, supporting multi-tier applications, cloud exposure (AWS/Azure/GCP) and strong communication skills.
Linux, Microsoft Windows, PowerShell, Bash, Python, AWS, Microsoft Azure, Google Cloud Platform, Ansible, Terraform, Puppet, Chef, Splunk, Datadog, Nagios, Git, Docker, Kubernetes, ITIL
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DevOps/Principal DevOps Engineer
Rolling Meadows, Illinois, United States
$88k-$163k/yr OnsiteFull Time
2+ YOEUS citizen able to obtain/maintain government security clearance (SAP/Secret). Requires programming (Python, C/C++, Java, JavaScript, Shell/Bash, Groovy, Go), CI/CD & container experience, Linux and cloud (AWS/Azure/GCP) administration, and 2+ years (DevOps) or 5+ years (Principal).
Python, C/C++, Java, JavaScript, Shell, Bash, Groovy, Go, Containerization, Kubernetes, OpenShift, Ansible, Jenkins, GitLab CI, GitHub Actions, AWS CloudFormation, Linux, RHEL, Ubuntu, Amazon Web Services, Azure, Google Cloud Platform, Prometheus, Grafana, Datadog
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Sr. Systems and Cloud Engineer
Addison, Illinois, United States
$121k-$162k/yr HybridFull Time
5+ YOE5+ years systems/infrastructure experience with Azure and/or GCP, Terraform, Windows/Linux administration, networking, virtualization, automation with PowerShell/Bash/Python, and strong documentation and communication.
Microsoft Azure, Google Cloud Platform (GCP), Terraform, PowerShell, Bash, Python, Git, Nutanix
1mo
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Senior IT Security Engineer
Linthicum or Phoenix or Tampa or Denver or Cicero
$90k-$120k/yr OnsiteFull Time
7+ YOE7+ years IT security experience, CISSP required; expertise in networking, Windows and Linux administration, AWS/Azure, IaC (HCL/YAML/JSON), scripting (PowerShell, Python, Go, Shell), incident response, risk management, and security tooling.
firewalls, SIEM, PAM, ZTN, IdP, IAM, CSPM, DLP, Vulnerability/Exposure Management, CIEM, DevSecOps, SSDLC, AWS, Azure, HCL, YAML, JSON, PowerShell, Python, Go, Shell
1mo
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Principal Computer Systems Analyst - Windows
Rolling Meadows, Illinois, United States
$99k-$148k/yr OnsiteFull Time
3+ YOERequires U.S. Secret clearance, Windows domain and server administration experience (AD, GPO, DNS, DHCP, LDAP), Security+ CE (IAT II), 3+ years relevant experience preferred, and ability to lift 50 lbs.
Active Directory, Group Policy, DNS, DHCP, LDAP, ServiceNow, JIRA, Cohesity, Veritas, HBSS, SolarWinds, Splunk, Windows, Linux, Solaris, OSX, UNIX
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