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57 linux administrator jobs at 49 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
2mo
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Linux Administrator
Itasca, Illinois, United States
$80k-$115k/yr HybridFull Time
Accertify
Accertify: Provide digital fraud prevention and identity protection software solutions.
Experience administering Ubuntu Desktop and Red Hat Enterprise Linux; Bash scripting; Python a plus; LDAP/FreeIPA/Active Integration; APT/YUM/DNF; TCP/IP, DNS, DHCP, VPN; Proxmox virtualization.
Ubuntu, Red Hat Enterprise Linux, Proxmox, Ansible, Puppet, Chef, Bash, Python, LDAP, FreeIPA, Active Directory
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1w
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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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3d
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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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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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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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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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2w
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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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3w
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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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Lead Databricks Administrator
Chicago or Irving
$98k-$182k/yr HybridFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.
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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5d
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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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3w
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Lead Databricks Administrator
Chicago or Irving
$98k-$182k/yr OnsiteFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global advertising and digital transformation agency holding.
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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3w
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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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5d
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SAP BASIS Administrator
United States or O'Fallon
$75k-$158k/yr RemoteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
US citizen with bachelor’s in IT or equivalent, hands-on SAP Basis experience (S/4HANA, ECC), SAP HANA and TMS knowledge, Linux/Windows experience, troubleshooting and documentation skills.
SAP S/4HANA, SAP ECC, SAP Solution Manager, Fiori, Gateway, Web Dispatcher, SAP BTP, SAP HANA, SAP Transport Management System (TMS), SAP RISE, Linux, Windows
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1w
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Cloud Administrator
Scott Air Force Base, Illinois, United States
$80k-$120k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
4+ YOEBachelor's degree with 4+ years experience, active DoD Secret clearance, AWS Cloud Practitioner, IAT Level II (e.g., Security+) or equivalent, CE certification for cloud, RedHat Linux and AWS experience required.
RedHat Enterprise Linux, AWS ECS, EC2, CLI, Amazon Web Services (AWS), AWS GovCloud, Transit Gateway, VPNs, VPC Endpoints, Route53, BIND, CloudTrail, CloudWatch, Git, Jenkins, Groovy, YML, AWS Workspaces, ECS, EKS, Fargate, IAM, Security Groups, CloudFormation
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1w
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Cloud Administrator
Scott AFB, Illinois, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
4+ YOEBachelor's degree with 4+ years experience, active DoD Secret clearance, AWS Cloud Practitioner and IAT Level II certification (e.g., Security+), experience with AWS services, RedHat Enterprise Linux, networking, and cloud automation.
AWS ECS, EC2, CLI, AWS, Route53, BIND, CloudFormation, Git, Jenkins, Groovy, YML, CloudTrail, CloudWatch, Security Groups, IAM, AWS Workspaces, EKS, Fargate, RedHat Enterprise Linux
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5d
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SAP BASIS Administrator
United States or O'Fallon
$75k-$158k/yr HybridFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
US citizenship, bachelor’s in IT or equivalent, hands-on SAP Basis experience with S/4HANA/ECC, SAP HANA, TMS, Linux/Windows, system upgrades/patches, troubleshooting, and documentation; SAP certification preferred.
SAP S/4HANA, SAP ECC, Solution Manager, SAP Fiori, Gateway, Web Dispatcher, SAP BTP, SAP RISE, SUM, TMS, SAP HANA, Linux, Windows, Focused Run, ATO, RMF, STIG
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2w
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System Administrator (Contract-to-Hire)
Chicago, Illinois, United States
HybridFull Time
Fusion92
Fusion92: Full-service marketing transformation and digital services agency.
3+ YOE3+ years in IT security operations; experience with Microsoft Entra ID, EDR/EDR platforms (SentinelOne/CrowdStrike), SIEM, Linux, vulnerability scanning, and compliance frameworks (SOC 2/NIST/CIS); strong communication skills.
Huntress, Blumira, Microsoft Entra ID, SentinelOne, CrowdStrike, EDR/EPP, SIEM, Linux, SAML, OIDC, Mimecast, Conditional Access, PIM, SOC 2, NIST, CIS Controls, ISO 27001
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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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1w
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Database Administrator
Springfield, Illinois, United States
$78k-$122k/yr HybridFull Time
Teachers' Retirement System of the State of Illinois
Teachers' Retirement System of the State of Illinois: Administers retirement benefits for Illinois public school teachers.
3+ YOE3+ years SQL Server DBA experience with complex SQL/DDL scripting and performance tuning; bachelor's degree or equivalent; experience with database design, replication, ETL/ELT, containers, and Azure; ability to mentor junior staff.
Linux, Windows, Azure, SQL Server, C#, SSIS, SSRS, BI/reporting tools, SQL Sentry, PowerShell, LINQ
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1d
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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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