142 linux systems engineer jobs at 96 companies in Illinois

PromotedHiringCafe
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
2mo
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Linux Systems Engineer
Chicago, Illinois, United States
OnsiteFull Time
SG Cap Trading
SG Cap Trading: Proprietary trading firm developing automated trading software and systems.
Linux systems, Python automation, Bash scripting, Ansible, Git, and basic networking; experience with Linux services and virtualization.
Python, Bash, Ansible, Git, VMware, Monitoring systems, systemd, SSH, DNS, DHCP
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
1mo
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Senior Linux Engineer
Overland Park or New York City or Kansas City or Chicago
$115k-$186k/yr HybridFull Time
Cboe
CboeBATS: CBOE: Operates global market infrastructure and provides tradable financial products.
5+ YOE5+ years Linux systems/platform engineering; production Kubernetes and on‑prem experience; cloud (AWS, Microsoft Azure, or GCP); Python and Bash scripting; SaltStack/Puppet/Ansible; CI/CD and observability tooling; system hardening and on‑call rotation.
Kubernetes, kubeadm, RKE, OpenShift, Python, Bash, SaltStack, RPM, containerd, Docker, Prometheus, Grafana, Loki, Jenkins, GitLab, AWS, Microsoft Azure, GCP, ArgoCD, Flux, GitOps
2mo
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Systems Engineer
Chicago, Illinois, United States
$150k-$300k/yr OnsiteFull Time
Aquatic Capital Management
Aquatic Capital Management: Quantitative investment manager developing proprietary systematic trading strategies.
10+ YOE10+ years in systems engineering, infrastructure, or related field; Unix/Linux expert; HPC grid systems (SLURM); bare-metal infra; high-performance storage (VAST, GPFS, Lustre); scripting (Bash, Python); capable technical leader.
Slurm, Ray, GitHub Actions, Bash, Python, GPU, VAST, GPFS, Lustre
1w
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Senior Systems Engineer
Des Plaines, Illinois, United States
$100k-$150k/yr OnsiteFull Time
Kranze Technology Solutions
Kranze Technology SolutionsNYSE: SPXC: Develops countermeasure systems and networking solutions for military aircraft.
10+ YOEBachelor's degree in engineering with 10+ years experience, strong networking and routing knowledge, Linux and C/C++ proficiency, hardware/software troubleshooting, ability to obtain US security clearance and to travel.
Linux, C/C++, MANET, HAIPE
2w
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Campus Systems Engineer (Full-Time)
Chicago, Illinois, United States
$200k/yr OnsiteFull Time
Jump Trading
Jump Trading: Global proprietary trading firm specializing in algorithmic and high-frequency strategies
Degree in CS/Engineering/Information Systems, experience with Linux/UNIX and shell scripting, practical Python knowledge, understanding of routing/multicast/ethernet, strong troubleshooting and communication skills.
Linux, UNIX, Python, Shell
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
1mo
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Systems Engineer
Evanston, Illinois, United States
$80k-$95k/yr OnsiteFull Time
Northwestern University
Northwestern University: Private research university providing higher education and academic research.
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
5d
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Systems Engineer Lead
Waukegan, Illinois, United States
OnsiteFull Time
Henry Broch & Co
Henry Broch & Co: Provides food ingredient processing, custom blending, and contract packaging services.
Lead ERP implementation and support, configure integrations and middleware, administer Linux and databases, write SQL, mentor technical staff; bachelor's in related field preferred.
SQL, MySQL, Microsoft SQL Server, Systemd, Cron, OpenSSH, Common Lisp, Python, Go, Power BI, ERP, APIs, middleware, AI-assisted coding tools
2mo
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Senior Embedded Systems Engineer
Chicago, Illinois, United States
$131k-$175k/yr HybridFull Time
Infleqtion
InfleqtionNYSE: INFQ: Develops neutral-atom quantum computing and precision sensing technologies.
8+ YOEBachelor's degree in engineering or related field; 8+ years experience; HDL (Verilog/SystemVerilog/VHDL); Linux and scripting (Python, Bash); strong communication and collaboration; software engineering practices; eager to learn.
Verilog, SystemVerilog, VHDL, Linux, Python, Bash, SpinalHDL, Rust, Git, CI/CD
2w
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Senior Systems Engineer
Arizona or California or Colorado or Connecticut or District of Columbia or Florida or Illinois or Indiana or Massachusetts or Maryland or Maine or New Hampshire or New Jersey or New York or Pennsylvania or Tennessee or Texas or Utah or Virginia or Vermont
$117k-$146k/yr RemoteFull Time
Foley Hoag
Foley Hoag: Provides international legal services for innovative industries and litigation.
10+ YOE10+ years systems engineering experience with enterprise Microsoft and Linux environments, VMware virtualization, enterprise storage, backup solutions, cloud platforms, and PowerShell automation.
VMware ESXi, vCenter, Nutanix, Dell VxRail, HPE, Rubrik, Cohesity, Veeam, Active Directory, Group Policy, Certificate Services, Microsoft Azure, Microsoft Office 365, AWS, Citrix VDI, Load balancing, SSL Certificate Management, PowerShell, SolarWinds, LogicMonitor, Splunk, Aria
1mo
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Systems Engineer - EEC Si
Elgin, Illinois, United States
$66k-$85k/yr OnsiteFull Time
Motorola Solutions
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
Bachelor's degree in Computer Science, Engineering, or Technology; IT systems engineering experience; strong LAN/WAN, TCP/IP; Linux and Windows environments; virtualization (Vmware/KVM); basic Unix/shell/Python scripting; travel occasionally; ability to work independently and in a team.
Linux, Windows, Active Directory, Vmware, KVM, Python, Unix shell, TCP/IP, LAN/WAN, Networking, Radio systems
2d
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High Speed Data (HSD) Systems Engineer (Remote)
United States or Alabama or Arkansas or Arizona or Florida or Georgia or Iowa or Idaho or Illinois or Indiana or Kansas or Louisiana or Maryland or Missouri or Mississippi or North Carolina or North Dakota or Nebraska or New Mexico or Nevada or Oregon or Oklahoma or Pennsylvania or South Carolina or South Dakota or Tennessee or Texas or Utah or Phoenix
RemoteFull Time
Cable One
Cable OneNYSE: CABO: Provides broadband internet, cable television, and digital phone services.
2+ YOEMinimum 2 years network engineering experience; 4+ years Linux (CentOS/RHEL) and network engineering experience preferred. Requires automation/scripting (Python, Ansible, Shell/Perl), DNS/DHCP/DOCSIS knowledge, vendor product experience, on-call availability, and up to 10% travel.
DNS, DHCP, DOCSIS, CentOS, RHEL, Linux, Python, Ansible, Shell, Perl, Docker, Incognito, Infoblox, Calix, Redhat, LDAP, NTP, IPv4, IPv6
2mo
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Systems Engineer II
Arlington Heights, Illinois, United States
$42-$65/hr HybridFull Time
Endeavor Health
Endeavor Health: Integrated healthcare delivery system providing medical services in Illinois.
5+ YOEFive or more years in IT systems, enterprise SFTP/MFT, GPO, PKI; AD, Windows/Linux server admin; healthcare experience preferred.
SFTP, Managed File Transfer, Group Policy, PKI, Active Directory, Windows Server, Linux, Scripting, Networking, DNS, Firewalls
1w
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Senior Systems Engineer
Barrington, Illinois, United States
OnsiteFull Time
Pepper Construction
Pepper Construction: Provides commercial general contracting and construction management services.
5+ YOEDesign and implement Microsoft Cloud/Azure and Microsoft 365, manage identity and security, support hybrid infrastructure; bachelor’s in IT or equivalent and 5+ years systems engineering experience.
Microsoft 365, Exchange Online, Microsoft Teams, SharePoint Online, OneDrive, Intune, Endpoint Manager, Entra ID, Azure, Microsoft Defender, Microsoft Sentinel, AvePoint, Veeam, Azure Backup, Windows, Linux, SQL Server, Cisco
2w
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Junior Trading Systems Engineer
Chicago or London or New York City
$120k-$160k/yr OnsiteFull Time
Hudson River Trading
Hudson River Trading: A quantitative firm using technology to trade global financial markets.
2+ YOE2+ years managing Linux systems, familiarity with Linux installs and networking, basic shell scripting, programming experience, experience with SaltStack or other config management, JIRA; AWS/GCP experience desirable.
Linux, Debian, Ubuntu, SaltStack, Puppet, Ansible, Chef, CFEngine, bash, JIRA, AWS, GCP
2mo
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Systems Integration Engineer Sr - TS Clearance
Colorado Springs or Huntsville or California or Massachusetts or New York or Colorado or Hawaii or Illinois or Maryland or Minnesota or New Jersey or Vermont or Washington or District of Columbia or United States
$89k-$178k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Active DoD Top Secret clearance and U.S. citizenship required. Strong troubleshooting, virtualized environment knowledge, software integration/testing experience, and familiarity with security design. Linux, bash, Python, Ansible, Docker, and cloud experience preferred.
JEMINI Lab, Linux, bash, Python, Ansible, Docker, AWS, Azure
1mo
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Principal AI Systems Engineer — C++ / Applied AI
San Jose or San Francisco or Seattle or New York City or Chicago or California
$190k-$361k/yr OnsiteFull Time
Adobe
AdobeNASDAQ: ADBE: Provides software for digital media creation and marketing analytics
10+ YOE10+ years professional software engineering with deep C++ expertise, production integration of AI/LLMs, cross‑platform systems design, reliability and observability, architecture leadership, and strong communication skills.
C++, LLMs, GPT, Claude, Gemini, JSON-RPC, gRPC, WebSockets, REST, TLS, CI, Windows, macOS, Linux
1w
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Site Reliability Engineer, Linux (Remote)
Austin or North Dakota or Montana or Maine or New Mexico or New Hampshire or Kentucky or Alabama or Ohio or Nebraska or Louisiana or South Carolina or Illinois or Texas or Nevada or Hawaii or Georgia or Missouri or Iowa or Mississippi or Tennessee or Colorado or North Carolina or Minnesota or Kansas or Wyoming or Wisconsin or West Virginia or Rhode Island or Delaware or Vermont or Arkansas or Utah or Oregon or South Dakota or Florida or Pennsylvania or Michigan or Indiana or Idaho or Arizona or Oklahoma
$127k-$182k/yr RemoteFull Time
Cisco
CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.
5+ YOESTEM degree or equivalent experience,5+ years Linux production experience,Python or Ruby,Ansible,system debugging,cloud/on-prem experience;Kubernetes and FedRAMP knowledge preferred;must be a U.S. Person.
Python, Ruby, Ansible, Kubernetes, Docker, Go, C
1mo
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Senior IT Systems Engineer
Moline, Illinois, United States
$49k-$58k/yr OnsiteFull Time
Black Hawk College
Black Hawk College: Provides community college education and vocational training programs.
2+ YOEBachelor's in a computer-related field (or Associate's + 2 yrs systems admin experience). Minimum 2 years IT experience with Active Directory, Cisco, firewall, Linux/Windows; virtualization, identity/access management, system analysis, and database competency. Valid driver’s license required.
Microsoft 365, Microsoft Active Directory, Microsoft Entra ID, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Microsoft Intune, Microsoft SCCM, Linux, Windows, VMware, VMware Horizon, Cisco, Microsoft Access, Oracle, SQL Server, HTML, Visual Basic