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32 linux systems administrator jobs at 32 companies in Illinois

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
2w
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Linux Systems Administrator
Chicago, Illinois, United States
$83k-$110k/yr HybridFull Time
USG Corporation
USG Corporation: Manufacturer of high-quality building materials and ceiling systems.
2+ YOE2+ years managing Red Hat Linux and VMware environments; experience with Red Hat Satellite, scripting/automation, backup/recovery tools, SAN/storage, and familiarity with Azure and Oracle support.
Red Hat Enterprise Linux, VMware ESXi, Azure, Oracle, Red Hat Satellite, Ansible Automation Platform, Avamar, Veeam, HPE ProLiant, HPE Synergy, HPE Alletra, Docker, Kubernetes
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1w
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Linux Systems Administrator
Chicago, Illinois, United States
$82k-$110k/yr HybridFull Time
Sentinel Technologies
Sentinel Technologies: Provides managed IT services and comprehensive technology solutions.
2+ YOE2+ years supporting enterprise Linux and virtualized infrastructure; experience with RHEL, VMware, automation (Ansible), patching, backups, disaster recovery, and collaboration in 24/7 environments.
Red Hat Enterprise Linux, Red Hat Satellite, VMware ESXi, HPE, Azure, Oracle, Ansible, CI/CD, Veeam, Avamar, Docker, Kubernetes
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1mo
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Linux Systems Engineer II - (Contract)
Scottsdale or Chicago or San Francisco or New York City
$86k-$126k/yr HybridFull Time, Contract
Early Warning Services
Early Warning Services: Operates payment and risk solutions for the financial industry.
5+ YOE5+ years Red Hat Linux administration; AWS experience; scripting; strong analytical and customer-service skills; US citizenship; eligible to work in the United States.
Red Hat Linux, AWS, Bash
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1w
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Systems Administrator
Chicago, Illinois, United States
RemoteFull Time
Econ One
Econ One: Provides economic consulting and expert testimony for litigation support.
3+ YOEBachelor's or equivalent, 3+ years systems administration across Linux and Windows, Active Directory and Group Policy, PostgreSQL administration, Remote Desktop Services, scripting (Bash/PowerShell/Python), and on-call participation.
Active Directory, Group Policy, PostgreSQL, Remote Desktop Services, Truenas (CORE and SCALE), Bash, PowerShell, Python, AWS, Azure, Entra, Intune, Docker, Kubernetes, Proxmox, FSLogix
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4w
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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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3w
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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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1w
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Network & Systems Administrator
Urbana, Illinois, United States
$78k-$99k/yr OnsiteFull Time
Champaign-Urbana Mass Transit District
Champaign-Urbana Mass Transit District: Provides public bus transportation services in Champaign-Urbana, Illinois.
3+ YOEAssociate degree or equivalent in network administration, 3+ years IT experience preferred, hands-on networking (DNS,DHCP,routing,switching,firewalls), Windows/Linux server and Active Directory/Entra ID, PowerShell and SQL experience.
Windows, Linux, Active Directory, Entra ID, Microsoft Intune, DHCP, DNS, Microsoft PowerShell, Microsoft SQL Server, Microsoft 365, Microsoft Azure
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1w
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Systems Administrator (GEODSS) - Diego Garcia 1
Diego Garcia or San Diego or Chicago or Fairbanks or Vandenberg AFB or Nellis AFB
OnsiteFull Time
Serco
SercoLondon Stock Exchange: SRP: Provides professional outsourcing services to governments worldwide.
4+ YOEActive security clearance and U.S. citizenship; minimum 4 years systems administration experience; Linux and Windows experience; DISA STIG compliance, backups, auditing, incident response; CompTIA Security+/CCNA/RedHat desired.
GEODSS, Linux, Windows, RedHat, DISA Security Technical and Implementation Guide (STIG), CompTIA Security +, CCNA
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2mo
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HPC Systems Administrator
Chicago, Illinois, United States
$94k-$110k/yr HybridFull Time
University of Chicago
University of Chicago: Provides higher education and conducts academic research.
5+ YOEExperience with HPC, Linux systems, security, and monitoring; 5+ years of related work; bachelor’s degree in a related field.
Linux (RHEL/Rocky), GPU infrastructure, Slurm, Torque, PBS, LSF, Ansible, Puppet, Chef, Salt, xCAT, Confluent, Warewulf, CheckMK, Zabbix, Nagios, Prometheus, Grafana, NIST 800-53, NIST 800-171, NIST SP 800-223, FIPS, Ceph, Lustre, BeeGFS, Storage Scale, InfiniBand
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2d
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Systems / Network Administrator Lead
Chicago, Illinois, United States
$115k-$155k/yr RemoteFull Time
Computer World Services
Computer World Services: Provides IT modernization and cybersecurity solutions for federal government agencies.
5+ YOE5+ Mgmt5+ years enterprise IT/systems and network administration experience, DoD RMF and outage/incident leadership, ITIL, multiple network/security certifications, and active Secret clearance.
Windows, UNIX/Linux, VMware ESXi, Storage Area Networks (SAN), Virtual Desktop Infrastructure (VDI), IPv4, IPv6, DISA
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1mo
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IT Systems Administrator
Des Plaines, Illinois, United States
$90k-$120k/yr HybridFull Time
GTI Energy
GTI Energy: Research and development of innovative global energy technologies
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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1mo
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Systems Engineer
United States or Chicago
RemoteFull Time
UpStream Global Services
UpStream Global Services: IT services firm providing software engineering and staffing solutions.
3+ YOE3+ years systems engineering or administration experience; strong Windows and Linux server knowledge; virtualization (VMware/Hyper-V); cloud familiarity (AWS, Microsoft Azure, Google Cloud); networking and monitoring skills.
Windows, Linux, VMware, Hyper-V, Amazon Web Services, Microsoft Azure, Google Cloud, TCP/IP, DNS, DHCP, VPNs, firewalls, system monitoring, automation, scripting
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1mo
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System Administrator
Romeoville, Illinois, United States
$84k-$109k/yr OnsiteFull Time
Magid Glove and Safety
Magid Glove and Safety: Manufacturer and distributor of personal protective equipment.
5+ YOE5+ years IT experience with 2+ years supporting manufacturing systems; strong Windows Server/AD/Group Policy, Office 365 administration, VMware, SCCM, and PowerShell skills; bachelor\u0002s degree preferred or technical certifications considered.
Microsoft Office 365, Microsoft Exchange, Microsoft SharePoint, Microsoft Teams, Windows Server, Active Directory, DNS, DHCP, Group Policy, Windows 10, Windows 11, VMware, Microsoft SCCM, PowerShell, SCADA, MES, PLC, HMI, Linux
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3w
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IT Security Administrator
Rosemont, Illinois, United States
$87k-$109k/yr OnsiteFull Time
Reyes Holdings
Reyes Holdings: Global distributor of food and beverage products.
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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1mo
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Data Center System Administrator
Chicago, Illinois, United States
$98k-$120k/yr HybridFull Time
Lenovo
LenovoHKSE: 992: Manufactures personal computers, mobile devices, and server infrastructure.
3+ YOE3+ years Linux/RHEL/SUSE/CentOS system administration; experience with server, storage, networking; Confluent & Slurm preferred; OS installation, troubleshooting, firmware upgrades, and customer-facing communication skills.
Linux, Unix, RedHat, Suse, RHEL, CentOS, Confluent, Slurm
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2mo
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Trading Systems Engineer - Options Market Making ((253)
Chicago, Illinois, United States
OnsiteFull Time
Maven Securities
Maven Securities: Proprietary trading firm specializing in quantitative and systematic strategies.
Experience with Python, Linux system administration, CI/CD, and tools like Ansible, Octopus, TeamCity, Volt; familiarity with Jira and performance tuning.
Python, Linux, Ansible, Octopus, TeamCity, Volt, Jira, CI/CD
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2w
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Trading Systems Engineer
Austin or Boulder or Chicago or London or New York City
$150k-$250k/yr OnsiteFull Time
Hudson River Trading
Hudson River Trading: A quantitative firm using technology to trade global financial markets.
7+ YOE7+ years supporting live production trading environments; expert Linux administration; experience with SaltStack/Puppet/Ansible/Chef/CFEngine; advanced automation with Python and bash; production troubleshooting, benchmarking, and on-call support.
Linux, Debian, Ubuntu, SaltStack, Puppet, Ansible, Chef, CFEngine, Python, bash, JIRA, AWS, GCP
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5d
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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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1d
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Cloud Systems Engineer
Scott AFB, Illinois, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
10+ YOE10+ years experience, active DoD Secret clearance, IAT Level II and related certifications, RedHat Enterprise Linux administration, Terraform and Cloud Formation expertise, AWS and GitLab-ci experience, Docker/Podman proficiency, ability to mentor junior staff.
RedHat Enterprise Linux, Terraform, Cloud Formation, AWS Organizations, GitLab-ci, Git, YML, WAF, GuardDuty, Security Groups, IAM, AWS EC2, S3, System Manager, CloudTrail, Lambda, AWS Cloud Formation, Stackets, Gitlab, Gitlab-runners, docker, podman, F5 Big-IP, LTM, ASM, AWS Transit Gateway, Route53 DNS, Azure
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2d
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Principal Systems Engineer (Enterprise scheduling & orchestration platforms )
Hopkins or Atlanta or Cupertino or Charlotte or New York City or Chicago or Gresham or Englewood or Cincinnati or Brookfield or Irving or Earth City
$120k-$141k/yr OnsiteFull Time
U.S. Bank
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
7+ YOE7+ years IT experience, Linux administration, enterprise scheduling (Autosys/Airflow), infrastructure automation, Python/Go/Shell scripting, cloud and DevOps practices, bachelor’s degree or equivalent experience.
Autosys, Airflow, Linux, Python, Go, Shell, Docker, Kubernetes, AWS, Azure, GCP, CI/CD, Infrastructure-as-Code
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