Linux System Administrator Jobs in Illinois

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Senior Devops Engineer - (Must have: Azure, OpenShift, Kubernetes, Docker, F5, Splunk, Dynatrace, Linux, shell Scripting, firewall management) 12+ months contract - Direct client - Remote work (Occasional Travel to Columbus, Ohio)

Accion Labs

Remote or Columbus, Ohio, USA

Contract

Greeting from Accionlabs; Role: Senior Devops Engineer Location: 100% Remote but Locals to OH or nearby states are preferred. Reason, may need to travel to onsite when required. Must have: Strong Azure cloud engineering, integration with OpenShift and Kubernetes. Docker, managing F5 load balancers, Splunk, Dynatrace, Linux deployments & shell Scripting. In-depth knowledge of firewall management and security best practices for cloud platforms and Strong Communication. Key Responsibilities:Cloud P

Manager Linux Operations

Request Technology, LLC

Chicago, Illinois, USA

Full-time

Hybrid, 3 days onsite, 2 days remote We are unable to sponsor as this is a permanent full-time role A prestigious company is looking for a Manager - Linux Operations. This manager will manage a team of Linux professionals focused on the stability, performance, security, and reliability of Linux infrastructure/Operations. This role requires experience with technologies such as Ansible, Puppet, Red Hat, Docker, Kubernetes, terraform, CICD, etc. Responsibilities: Manage and mentor a team of Linu

Linux Operations Manager

Request Technology, LLC

Chicago, Illinois, USA

Full-time

Linux Operations Manager Salary: Open + Bonus Location: Chicago, IL Hybrid: 3 days onsite, 2 days remote *We are unable to provide sponsorship for this role* Qualifications Bachelor s degree7+ years of experience in Linux systems administration2+ years in a leadership or managerial role.Deep understanding of Linux (Red Hat) operating systems and internals.Strong experience with virtualization (e.g., VMware, KVM), cloud platforms (AWS, Azure), and containerization (e.g., Docker, Kubernetes).Hands

Linux Engineer/ Trading

Motion Recruitment Partners, LLC

Chicago, Illinois, USA

Full-time

Exciting job opportunity for a Linux Engineer in Chicago's competitive trading technology sector. You will directly impact high-performance trading systems, while working for a leading financial technology firm specializing in proprietary, latency-sensitive trading platforms that demand technical excellence and operational precision. This is a rare opportunity to work at the intersection of finance and cutting-edge technology where microseconds matter! They are seeking a talented Linux engineer

Senior Software Engineer (Linux Kernel) - Remote

Akamai Technologies

Cambridge, England, United Kingdom

Full-time

Are you passionate about system performance, reliability, and security? Does the opportunity to tinker with Linux kernel running on over 300,000 servers excite you? Join our Cloud Platform Infrastructure Group - Linux Infrastructure team Our team is part of Cloud Platform Infrastructure Group. At the core of Akamai infrastructure, we work on complex and exciting systems that are available 24/7. Partner with the best As a Senior Software Engineer, you will be an integral part of a developmen

Senior Linux Firmware Developer

SUNRAY INFORMATICS

Remote

Contract

We at Sunray Informatics have an exciting opportunity for a Senior Firmware Developer (Linux)with one of our clients based in San Franciscofor a Hybrid contract position. Below are the details of the job description. Role: Senior Firmware Developer (Linux) Location: San Francisco 100% Remote Duration: 3-6months+ Overall experience required 10YRS+ Job Description: Act as an individual contributor developing Embedded Software Programs for Microprocessor programmable systemsDesign, implement, te

Sr. Virtualization/Linux Engineer

Thermo Fisher Scientific

Remote or Pittsburgh, Pennsylvania, USA

Full-time

Work Schedule Standard (Mon-Fri) Environmental Conditions Office Job Description When you're part of the team at Thermo Fisher Scientific, you'll do meaningful work, that makes a positive impact on a global scale. Join 100,000 colleagues who bring our Mission to life each day to enable our customers to make the world healthier, cleaner and safer. You'll find the resources here to achieve your career goals and help take science a step beyond by developing solutions for some of the world's toug

Senior Staff Engineer - Linux Kernel Software Engineer

Qualcomm Technologies

Remote or Santa Clara, California, USA

Full-time

Company: Qualcomm Atheros, Inc. Job Area: Engineering Group, Engineering Group > Software Engineering General Summary: We are looking for motivated Linux Kernel Software Engineer to join the Qualcomm Infrastructure Wi-Fi Connectivity group, to be part of defining the next generation WLAN products. As part of this group, you will be responsible for: Work with the Opensource community and Qualcomm upstream wireless ath12k driver to contribute and review patchesWork with a kenel.org project and

Senior Site Reliability Engineer, Observability, FedRAMP

Splunk Inc.

California, USA

Full-time

Description Splunk, a Cisco company, is building a safer and more resilient digital world with an end-to-end full stack platform made for a hybrid, multi-cloud world. Leading enterprises use our unified security and observability platform to keep their digital systems secure and reliable. Our customers love our technology, but it's our caring employees that make Splunk stand out as an amazing career destination. No matter where in the world or what level of the organization, we approach our wor

Level 1 Technical Operations - Linux, Windows, IBM, UC4 Scheduling

Request Technology, LLC

Chicago, Illinois, USA

Full-time

NO SPONSORSHIP Technology Operations - Linux, Windows, IBM, UC4 LOCATIONS: CHICAGO, IL Hybrid 3 days onsite and 2 days remote - 2nd shift Tuesday Saturday 230pm 11pm cst, Level 1 - monitoring processes, driving improvements, production control support. storage cloud linux unix storage networking incident response first level maintain logs records uc4/ control m windows IBM Technology Operations is responsible for monitoring the production environment. This role will reside in Technology Ope

Senior Software Engineer, Embedded Linux (Hybrid-Puerto Rico)

RTX Corporation

Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-05-09 Country: United States of America Location: HPR01: Collins Puerto Rico- Aguadilla Road 110 North Km 28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Collins Aerospace has an exciting opportunity for an experienced Software Engineer. In this

Software Engineer-Embedded Linux Hardware Lab Focal (Mid-level or Senior)

Boeing Company

Remote or Mesa, Arizona, USA

Full-time

Software Engineer-Embedded Linux Hardware Lab Focal (Mid-level or Senior) Company: The Boeing Company The Boeing Company is looking for an Embedded Software Engineer - Embedded Linux Hardware Lab Focal (Mid-Level or Senior) to join the Boeing Linux Team. This position, located in Mesa, AZ, will focus on supporting the Boeing Engineering Test & Technology (ET&T) business organization. The successful candidate will have expertise in Linux OS development and hardware in the loop (HIL) testing as

Technical Support Engineer, Linux and HPC Admin - DGX Cloud

NVIDIA Corporation

Remote or Santa Clara, California, USA

Full-time

NVIDIA has been redefining computer graphics, PC gaming, and accelerated computing for more than 25 years. It's a unique legacy of innovation fueled by great technology-and dynamic people. Today, we're tapping into the unlimited potential of AI to define the next era of computing. An era in which our GPU acts as the brains of computers, robots, and self-driving cars that can understand the world. Doing what's never been done before takes vision, innovation, and the world's best talent. NVIDIANS

Remote System Admin | Linux Engineer | Unix Engineer or Windows System Engineer

Diversified Technology, Inc.

Remote

Contract, Third Party

Linux Systems Engineerwith experience inAdministrationfor a one year(with possibility of extension) Must work on our W2 The Systems Engineer ESP supports our Enterprise Server Platforms. The incumbent must have knowledge of server(Windows or Linux) administration, configuration, troubleshooting, security, scripting, and networking. Strong communication and documentation skills are required as the candidate will typically be working with customers for support and new initiatives. Principal Acco

Hybrid Systems Engineer, Sr (Windows / Linux) / Onsite: CO

Lockheed Martin Corporation

Remote or Littleton, Colorado, USA

Full-time

Job Description Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Enterprise Operations (EO) position supports the Lockheed Marti

Linux Systems Engineer (Hybrid Eligible)

Oak Ridge National Laboratory

Remote or Oak Ridge, Tennessee, USA

Full-time

Requisition Id 14963 Overview: We are hiring a Linux Systems Engineer who will focus on supporting the technological needs of ORNL researchers! We enable research while protecting ORNL assets, especially from cyber incidents. Our team works with other research support groups to help research programs identify the best solutions for their needs. When we build environments for our customers, the Linux Systems Engineer designs, implements and maintains the systems from inception to retirement. Thi

Linux Systems/Elastic & Application Support Engineer

InfoVision, Inc.

Remote

Contract

We are looking for Application Support Engineer with our direct client. Title:Linux Systems/Elastic & Application Support Engineer Duration: 12 months Location: Remote Job Description: Our Global Technology Solutions group is looking for a Senior Systems & Software Engineer to lead and collaborate with portfolio teams across all LOBs to support a framework that combines engineering and application development to drive operational stability. The ideal candidate will collaborate with the core t

Manager of Linux Operations and Administration

Request Technology, LLC

Chicago, Illinois, USA

Full-time

We are unable to sponsor for this permanent full-time role** Position is bonus eligible Prestigious Financial Company is currently seeking a Manager of Linux Operations and Administration. Candidate will lead and oversee our Linux infrastructure operations team. This role is responsible for ensuring the stability, performance, and security of all Linux-based systems and services, managing day-to-day operations, and driving strategic initiatives to optimize infrastructure performance and reliabil

Linux Systems Software Engineer

Yoh - A Day & Zimmerman Company

Remote or Sunnyvale, California, USA

Full-time

Linux Systems Software Engineer Required: Bachelor's degree in Computer Science, Computer Networking, Electrical Engineering, or a closely related field. Minimum of 5 years' experience developing system-level software in Linux-based environments, ideally within telecommunications, ISP, or networking industries. Strong programming proficiency in Golang, Python, and C/C++, with proven experience writing both core applications and unit/regression tests. Advanced understanding of multi-threaded prog

Embedded Linux Engineer - Network Switch

Yoh - A Day & Zimmerman Company

Remote or Mountain View, California, USA

Full-time

Embedded Linux Engineer Network Switch Overview: We are seeking a highly skilled Embedded Linux Engineer with deep expertise in enterprise and automotive-grade network switch technologies. This role focuses on supporting in-vehicle network infrastructure, including central and peripheral switches, with an emphasis on Linux kernel and userspace development. Key Responsibilities:Develop and maintain Linux drivers for network devices, including board support packages (BSP) and low-level driver int