linux system administrator Jobs in chicago, il

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Linux System Administrator

Sun Technologies,Inc.

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Remote

Contract

Job Title: Linux System Administrator Duration: up to 12 months contract (with the possibility of extension) Location: Fort Worth, TX 76108 Pay Rate: $60/hr - $70/hr on W2 [the pay rate may differ depending on your skills, education, experience, and other qualifications] Featured Benefits: Medical Insurance in compliance with the ACA401(k)Sick leave in compliance with applicable state, federal, and local laws Skills Required: The Linux Systems Administrator will be a member of the Enterprise IT
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Posted 50 days ago | Updated 6 days ago

Unix/Linux System Administrator

TalentBridge

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Remote or Santa Cruz, California, USA

Contract

Key Responsibilities: Provide day-to-day administration and support for Unix/Linux systems Use Chef for infrastructure automation and configuration management Perform basic scripting and programming in Ruby to support Chef automation workflows Support and maintain NAS/SAN storage systems Implement and manage monitoring and alerting tools (e.g., Nagios , Icinga, or similar) Troubleshoot issues related to system performance, network connectivity, and storage Assist in implementing proactive monito
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Posted 1 day ago | Updated moments ago

Senior Linux System Administrator

RTX Corporation

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Remote or Connecticut, USA

Full-time

Date Posted: 2025-05-28 Country: United States of America Location: UTCT1: Corp - CT - Remote Remote Location, Remote City, CT, 06101 USA Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses: Collins Aerospace Systems, Pratt & Whi
Posted 2 days ago | Updated 8 hours ago

Sr. Linux Systems Administrator

Robert Half

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Remote or Chicago, Illinois, USA

Full-time

Description We are looking for an experienced Senior Linux Systems Administrator to join our team and help drive the reliability, scalability, and security of our IT infrastructure. In this role, you will focus on managing Linux servers while leveraging your expertise in automation tools like Ansible, network management with Fortigate firewalls, scripting with Python, and database administration with MySQL. This position is ideal for a driven, detail-oriented professional who thrives in a fast-p
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Posted 17 hours ago | Updated 5 hours ago

Unix/Linux Administrator

Value Connect Corp

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Remote

Contract

Job Description: We are looking for a Unix/Linux System Administrator to support and maintain enterprise systems with a focus on automation, storage, and infrastructure monitoring. The ideal candidate will have hands-on experience with Unix/Linux environments and a proactive approach to system stability and performance. Key Responsibilities: Provide day-to-day administration and support for Unix/Linux systems Use Chef for infrastructure automation and configuration management Perform basic scri
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Posted moments ago

Systems Administrator - Linux/Windows

GovCIO

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Remote

Full-time

Overview Provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is hybrid with periodic customer site work activities. Must be willing to work nights, have a Security+ certification, and an active Top Secret clearance. Responsibilities Position Description: In this role you will: Pr
Posted 1 day ago | Updated 5 hours ago

System Administrator - VP (Hybrid)

Citi

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Remote or Irving, Texas, USA

Full-time

About Citi: Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is systemic
Posted 15 days ago | Updated 8 hours ago

Linux Administrator - Red Hat

Convene Inc.

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Remote

Contract

About Convene Inc. Convene, Inc. is a Tampa based, award-winning technology services organization with offices and resources throughout the US, Mexico, and India. We have successful, referenceable customers, competitive benefits, and high-growth opportunities.Linux Administrator - Red Hat Duties will include but not limited to the following: Able to deploy and set up Red Hat Enterprise Linux on physical or virtual servers. Able to implement security policies, managing firewalls, and monitoring
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Posted 60+ days ago | Updated moments ago

Linux/Unix Administrator

Informatic Technologies

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Chicago, Illinois, USA

Full-time

Our Linux Team ensures our trading servers work so we can trade. You will work in a highly-customized environment where proprietary tools and technology run. You will be expected to help build the pioneering tools to keep our systems best-in-class while enabling our technology evolution in a controlled way. What you'll do: As a member of our Linux Systems Engineering Team, you will be ensuring that our production environment works optimally by deploying, maintaining, monitoring and operating a
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Posted 60+ days ago | Updated 15 days ago

Manager Linux Operations

Request Technology, LLC

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Chicago, Illinois, USA

Full-time

NO SPONSORSHIP - NO OPT Manager, Linux Operations SALARY: $130k - $170k plus 15% bonus LOCATION: CHICAGO, IL Hybrid 3 days onsite We are seeking a seasoned Linux Operations Manager to 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 reliability. Primary Duties
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Posted 13 days ago | Updated 12 days ago

Senior Linux Systems Engineer, Low Latency - R

Next Step Systems

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Chicago, Illinois, USA

Full-time

Senior Linux Systems Engineer, Low Latency, Chicago, IL This Senior Linux Systems Engineer position is 100% Onsite and NOT open for Remote. Company Will Sponsor Visas! Company Will Relocate Candidates! Senior Linux Systems Engineer Responsibilities: - Work collaboratively with technology and business teams on all aspects of a global trading and research infrastructure. - Research and implement enhancements to infrastructure systems as well as automation and monitoring. - Explore and work with
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Posted 1 day ago | Updated 6 hours ago

Manager Linux Operations

Request Technology, LLC

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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
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Posted 13 days ago

Linux Operations Manager

Request Technology, LLC

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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
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Posted 13 days ago | Updated 3 hours ago

Linux Engineer/ Trading

Motion Recruitment Partners, LLC

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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
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Posted 36 days ago | Updated 5 hours ago

Senior C++ Developer Linux & Automation Scripting

GAC Solutions Inc.

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Chicago, Illinois, USA

Full-time, Part-time, Contract, Third Party

Title: Senior C++ Developer Linux & Automation Scripting) Location: Waukesha, WI. (onsite) Strong C/C++ language skills. Should have hands on experience in Shell / Perl/ python scripting. Familiar with OS lifecycle management, RPMs, Nessus scan/ Vulnerability analysis Experience in Build automation and continuous integration Skillful in Object-oriented analysis and design 4 years or above engineering experience in software development with C++
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Posted 19 hours ago | Updated moments ago

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

Request Technology, LLC

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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
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Posted 60+ days ago | Updated 19 days ago

Linux Networking Engineer

Central Business Solutions

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Remote

Contract

*JD - Responsibilities: -Good experience in Linux networks -Strong competency in C, C++ programming. -Design and implement network protocols such as DHCP, DNS, VLAN, and network namespaces. -Develop and maintain scalable network solutions in C/C++ or Go in Linux environment -Create and maintain detailed documentation of development processes and network designs. -Collaborate with cross-functional teams to integrate network protocols with existing systems. -Utilize Git for version control and act
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Posted 6 days ago

VPN Subject Matter Expert (Libreswan OR Linux based VPNs)

Cogliano IT Staffing LLC

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Remote

Full-time

VPN Subject Matter Expert (SME) needed for a 3+ Month Contract working remotely in the United States! No Third Party Vendors please - candidates must be able to work on our W2 Role Summary This role is responsible for building, maintaining, updating, and troubleshooting business-to-business (with health system) IPSec VPN connections. Additionally, a core function of this role involves training the existing support team on VPN operations, maintenance, and troubleshooting procedures so they can
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Posted 12 days ago | Updated 1 hour ago

Linux Senior Consultant

Yash Solutions LLC

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Remote

Contract

RH Enterprise Linux 7 (RHEL) Senior Consultant Remote Will need to work night and weekend shifts - some day shifts Wednesday - Sunday
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Posted 26 days ago | Updated 23 days ago

Red Hat Open Shift Administrator

Engineering Square

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Remote

Contract

Role: Red Hat OpenShift Administrator Location: Raleigh, NC (Remote) Job Description: Requirements: Red Hat Certified OpenShift Administrator (current certification required)Strong understanding of Kubernetes, containerization, and DevOps practicesProven experience with Red Hat OpenShift in production environmentsExcellent communication and remote collaboration skills
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Posted 15 days ago