Linux Jobs in Chicago, IL

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Trade Desk Linux Support Analyst (trading firm)

Request Technology, LLC

•

Chicago, Illinois, USA

Full-time

NO SPONSORSHIP Trade Desktop Support Analyst Target salary is: $90k - $120k Bachelors degree in computer science is a requirement 5 years heavy unix unix commands sql mysql backend frontend application support any trade application a big plus linux performance lost files python perl for automation if they don t have trade support they have to come from a financial firm or highly regulated environment doing backend application linux support with knowledge of frontend CS Degree is a must, five ye
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Posted 12 hours ago

Lead Security Architect (Windows, Linux - CISO) - W2 - Chicago, IL - Posted by Tauqeer

Global Force USA

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Chicago, Illinois, USA

Contract

Job Description We are seeking a highly skilled and experienced Lead Security Architect to join our team for the Protocol Analysis & Remediation project. The successful candidate will be responsible for designing and implementing security architectures related to lateral movement between workloads and endpoints, and understanding and controlling the protocols they utilize by way of secure protocol configuration and other compensating controls. The project starts with discovery, in which the tea
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Posted 13 hours 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 We are looking to hire a highly talented Senior Linux Systems Engineer to join the technology team. This Senior Linux Systems Engineer position is 100% Onsite and NOT open for Remote. 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
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Posted 6 days ago | Updated 23 hours ago

Linux Admin

Yochana IT Solutions

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Chicago, Illinois, USA

Full-time

Role Linux Admin Technology / Domain Linux Administration Redhat, CentOS, Satellite Server, HA clustering Experience Level 10 to 15 years Location Chicago, IL & Indianapolis, IN Onsite from Day 1 Job Description Required Skillsets: Technical Red Hat Satellite experience Red Hat System Administrator (cert offered) Red Hat Specialist in High Availability Clustering (cert offered) Red Hat Specialist in Enterprise Application Server Administration (training offered) RHEL 6.x and RHEL 7 Server env
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Posted 6 days ago | Updated 10 hours ago

Lead Security Architect

HS Solutions

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Chicago, Illinois, USA

Contract

Role: Lead Security Architect Location: Chicago, IL Duration: Contract Rate: $65/hr on W2 (All Inclusive) Key Responsibilities: Experience: At least 8 years of experience in information security, with a focus on network security and architecture.Strong knowledge of malicious lateral movement techniques and mitigation strategies.Experience with security frameworks and standards (e.g., NIST, ISO 27001). Skills Required: Windows Architecture and Administration.Windows and Linux hardening best p
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Posted 18 hours 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 33 days ago | Updated 6 days ago

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
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Posted 53 days ago | Updated 21 days ago

Linux L3 SME

Tanisha Systems, Inc.

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Chicago, Illinois, USA

Full-time

Role : Linux L3 SME Technology / Domain: Linux Administration Redhat, CentOS, Satellite Server, HA clustering Experience Level: 10 to 15 years Location: Chicago, IL & *napolis, IN Onsite from Day 1 Job Description Required Skillsets: Technical Red Hat Satellite experience Red Hat System Administrator (cert offered) Red Hat Specialist in High Availability Clustering (cert offered) Red Hat Specialist in Enterprise Application Server Administration (training offered) RHEL 6.x and RHEL 7 Server envi
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Posted 13 days ago | Updated 7 hours ago

Manager Linux Operations

Request Technology, LLC

•

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 53 days ago | Updated 13 hours ago

Systems Administrator (Windows / Linux) / Hybrid: Highlands Ranch, CO

Lockheed Martin Corporation

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Remote or Highlands Ranch, Colorado, USA

Full-time

Job Description Lockheed Martin's Enterprise Business & Digital Transformation (EBDT) organization 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 people works with partners around the world to bring proven performance 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.
Posted 3 days ago | Updated moments 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 60+ days ago | Updated 9 hours ago

HPC Infrastructure Engineer

Pegasus Knowledge Solutions

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Skokie, Illinois, USA

Contract

The Senior HPC Infrastructure Engineer will support the design, implementation, optimization, and ongoing management of our High-Performance Computing (HPC) infrastructure. The role blends technical proficiency in system architecture design, Linux - based HPC clusters, high-speed interconnects, and HPC storage solutions, alongside day-to-day system administration. You will collaborate with cross-functional teams, including HPC Operations Engineers, researchers, and IT staff to ensure reliable, s
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Posted 7 days ago

PKI / Venafi Engineer

E-Solutions, Inc.

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Chicago, Illinois, USA

Full-time

Job Role- PKI / Venafi Engineer Location- Chicago, IL (Onsite) Job Description- 5+ years of Experience with Windows, Linux / Unix Server Administration, Bash /PowerShell Scripting Working experience with TLS/SSL Certificate management applications like Venafi, Sectigo Certificate Manager, DigiCert, Key Factor. Ability to design and implement automation solutions for automated certificate renewal and provisioning to various Network, application infra components using Venafi APIs. Experience wor
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Posted 6 days ago | Updated 12 hours ago

Senior Systems Administrator (Linux/Windows)

GovCIO

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Remote

Full-time

Overview GovCIO is hiring for a Senior Systems Administrator (Linux and Windows) to 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 in Washington, DC and will be a hybrid remote with periodic onsite customer work activities. Must be willing to work nights, have an active Sec
Posted 6 days ago | Updated 9 hours ago

Red Hat System Administrator

Braintree Technology Solutions

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Chicago, Illinois, USA

Full-time

Role Linux L3 SME Technology / Domain Linux Administration Redhat, CentOS, Satellite Server, HA clustering Experience Level 10 to 15 years Location Chicago, IL & Indianapolis, IN Onsite from Day 1 Job Description Required Skillsets: Technical Red Hat Satellite experience Red Hat System Administrator (cert offered)Red Hat Specialist in High Availability Clustering (cert offered)Red Hat Specialist in Enterprise Application Server Administration (training offered)RHEL 6.x and RHEL 7 Server environm
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Posted 4 days 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 13 hours ago

Linux Administrator

Kforce Technology Staffing

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Remote or Houston, Texas, USA

Contract

RESPONSIBILITIES: Kforce is seeking a dedicated and experienced Linux Administrator to join our infrastructure team in Houston, TX. This role is ideal for someone who thrives in a collaborative environment, takes ownership of their work, and is passionate about delivering reliable systems support. The ideal candidate will have a strong background in Linux systems administration, particularly with CentOS, and a proactive, communicative approach to teamwork. Responsibilities: * Manage and maintai
Posted 3 days ago | Updated 6 hours ago

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

Lockheed Martin Corporation

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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
Posted 60+ days ago | Updated moments ago

SRE (Linux / Golang Automation)

Bayside Solutions

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Remote

Contract

Site Reliability Engineer (Linux / Golang Automation) W2 Contract Salary Range: $124,800 - $145,600 per year Location: Remote Role - PST Job Summary: We require a Site Reliability Engineer with a strong background and experience supporting extensive virtualization and Linux compute platforms. Requirements and Qualifications: Experience automating with Golang Experience with Infrastructure as a Service orchestration tools (OpenStack, CloudStack, etc.) Strong experience supporting Linux and
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Posted 4 days ago | Updated 5 hours ago

Senior Linux Firmware Developer

SUNRAY INFORMATICS

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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
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Posted 48 days ago | Updated 17 days ago