linux Jobs in Chicago, IL

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Lead IBM MQ Middleware Administrator

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 Lead IBM MQ Middleware Administrator. This administrator will focus on the IBM MQ administration, end to end maintenance and support messaging infrastructure. This role will work with containerized Docker, Kubernetes, and OpenShift infrastructure modernization. Responsibilities: Install, configure, and maintain IBM MQ software (Queue Managers, Clients) on RH
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Posted 60+ days ago | Updated 19 days ago

Director, Release Engineering

Selby Jennings

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Chicago, Illinois, USA

Full-time

Job Title: Director of Release Engineering Location: Chicago, IL (On-site) Compensation: $190,000-275,000 base salary plus annual performance bonus Employment Type: Full-time About the Role A Chicago based financial services firm is seeking a seasoned Director of Release Engineering to lead and evolve their change and release management practices. This is a critical leadership role responsible for overseeing the end-to-end release lifecycle, ensuring the stability, scalability, and security of t
Posted 3 days ago

Lead Engineer - IBM MQ

Request Technology, LLC

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Chicago, Illinois, USA

Full-time

Lead Engineer IBM MQ Salary: Open + Bonus Location: Chicago, IL or Dallas, TX Hybrid: 3 days onsite, 2 days remote Qualifications Bachelor's degree10+ years of hands-on experience administering IBM MQ in a complex enterprise environment.Strong understanding of core IBM MQ concepts (Queue Managers, Queues, Channels, Clustering, Publish/Subscribe, Security).Proficiency in administering IBM MQ on [Specify primary OS, e.g., Linux, Windows].Proven troubleshooting skills in diagnosing and resolving co
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Posted 60+ days ago | Updated 4 days ago

Crypto Trading Systems Engineer - Asia Timezone

Westbury Partners

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Remote or Chicago, Illinois, USA

Full-time

What You'll Do: Design and implement cutting-edge trading and market-making strategies Work closely with a trader based in Asia to identify and capitalize on market opportunities Build and maintain C++ and Python systems for high-frequency trading across global crypto exchanges Optimize performance, reduce latency, and support real-time 24/7 trading operations Take full ownership of systems-from design and coding to monitoring and troubleshooting Collaborate with developers, traders, and quants
Posted 12 days ago | Updated 2 days ago

Job Opportunity for HPC Engineer- Skokie, IL- Onsite- Long term Contract

Pegasus Knowledge Solutions

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Skokie, Illinois, USA

Contract, Third Party

Job Title: Senior IT Systems Administrator / Site Operations Engineer (HPC Support) Employment Type:Contract or Possible Contract to hire. Location:Onsite Skokie, IL About the Role:Our client is seeking aSenior IT Systems Administrator / Site Operations Engineerto serve as the primary technical presence supporting high-performance computing (HPC) infrastructure at Skokie location in IL facility. This individual will play a hands-on role in the setup, maintenance, and ongoing support of a new HP
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Posted 46 days ago | Updated 5 days ago

HPC Engineer

Selby Jennings

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Chicago, Illinois, USA

Full-time

Location: Chicago, IL, hybrid in office Salary: $175,000-$225,000 base salary plus annual discretionary bonus An elite trading firm in Chicago is seeking a High Performance Computing Engineer to join their Chicago team. You'll be directly responsible for enhancing their research infrastructure and accelerating all teams within the firm. What you'll do: - Support and scale the firms high-performance computing and storage systems both on premise (Linux) and in the cloud (AWS. Google Cloud Platfor
Posted 5 days ago

Site Reliability Engineer/ Risk Management

Motion Recruitment Partners, LLC

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Chicago, Illinois, USA

Full-time

Ever wanted to take full ownership of monitoring and performance in a high-stakes fintech environment where every millisecond counts? This role is ideal for engineers who bring aSite Reliability Engineering (SRE)mindset, with a strong foundation in real-time system monitoring, infrastructure optimization, and secure cloud environments. If you have experience in financial technology or trading platforms, your insight into latency, uptime, and audit-ready infrastructure will be highly valued. You'
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Posted 30 days ago | Updated 8 hours ago

Production Support Engineer

Selby Jennings

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Chicago, Illinois, USA

Full-time

An elite proprietary trading firm in Chicago is seeking a Production Support Engineer to join their team. This group plays a critical role in maintaining and scaling high-performance, low-latency trading systems. Working closely with trading, development, and operations teams, you will be responsible for deploying, monitoring, troubleshooting, and optimizing infrastructure to improve system reliability, performance, and automation. About the role: Deliver technical support to fast-paced trading
Posted 5 days ago

Systems Engineer

Selby Jennings

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Chicago, Illinois, USA

Full-time

Job Title: Systems Engineer Location: Chicago, IL Compensation: $100,000 - $130,000 base plus annual discretionary bonus Overview: A global firm is seeking a Systems Engineer to manage and enhance its hybrid infrastructure. This role involves supporting compute, storage, and networking systems across on-prem and cloud environments, with a strong focus on automation and reliability. Key Responsibilities: Manage global infrastructure on premise and in cloud compute, storage and network environme
Posted 19 days ago

IT Support Analyst

Request Technology, LLC

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Chicago, Illinois, USA

Full-time

IT Desk Support Salary: Starting at $90k Location: Chicago, IL Hybrid *We are unable to provide sponsorship for this role* Qualifications Bachelor s degreePrevious experience in the trading industryStrong working knowledge of UNIX environment/Unix commandsLinux desktop support experienceBasic database knowledge (MySQL)Strong scripting knowledge - Python/BashResponsibilities Monitoring and alerting of critical trading system environmentsProactive identification and resolution of production issues
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Posted 60+ days ago | Updated 4 days ago

Kotlin Enigneer

Adyen

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Chicago, Illinois, USA

Full-time

This is Adyen Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition. For our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. We are motivated individuals who tackle unique technical challenges at sca
Posted 2 days ago

Technology Operations Support

Request Technology, LLC

•

Chicago, Illinois, USA

Full-time

Technology Operations Support Salary: $80k-$90k + bonus Location: Chicago, IL or Dallas, TX *Third Shift - 10:30pm-7am* Hybrid: 3 days onsite, 2 days remote *We are unable to provide sponsorship for this role* Qualifications Bachelor s degree (or currently enrolled in a bachelor s degree program)3+ years of OS390 JCL and IBM utilities3+ years working in a multi-platform environment including Windows, Linux/Unix and Storage.3+ years working knowledge of an open systems scheduling product (UC4).S
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Posted 60+ days ago | Updated 4 days ago

Clinical SAS Programmer

Katalyst Healthcares and Lifesciences

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Chicago, Illinois, USA

Full-time

Responsibilities: Lead the design, development, and maintenance of the MHN Analytic Platform. Manage, mentor, and ensure technical and analytical development of a team of analysts. Work with teams to operationalize analytic and reporting innovations. Evaluate BI and machine learning solutions. Identify opportunities for process improvement. Requirements: 6 + years of experience using Base SAS, SAS/Macros, and SQL required. Subject matter expert in healthcare data, with 5 + years
Posted 59 days ago | Updated moments ago

Splunk System Administrator

Medline Industries, LP

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Northbrook, Illinois, USA

Full-time

Job Summary The Splunk System Administrator will manage, maintain and support an enterprise level Splunk Cloud installation. You will act as Splunk Subject Matter Expert (SME), configure and maintain Splunk, analyze performance data, and provide insights to improve monitoring of Medline applications. Job Description This is a Work-From-Home position. You will be required to be on site 1 day per month. As part of the Service Management Office, your primary goal is availability. In your role
Posted 4 days ago | Updated 9 hours ago

Systems Administrator

TEKsystems c/o Allegis Group

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Chicago, Illinois, USA

Full-time

Description We are seeking a highly skilled Data Center Systems Engineer to support a large-scale decommissioning and migration initiative, transitioning core systems from VMware to Google Cloud Platform (Google Cloud Platform). The ideal candidate will bring deep expertise in Linux systems, virtualization technologies, and infrastructure monitoring, with hands-on experience in data center operations and cloud migrations. ? Key Responsibilities Assist in planning and executing the decommissionin
Posted 11 days ago | Updated 9 hours ago

Test Lab Support Engineer

TEKsystems c/o Allegis Group

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Wood Dale, Illinois, USA

Full-time

Description This role provides engineering support in a dynamic test lab environment. The environment consists of network equipment, servers, and front-end POS and workstations that are representative of store infrastructure. The team provides support for projects utilizing equipment at the lab as well as remote access for testing. This role will interact with various infrastructure, application, and project teams. Technical knowledge as well as analytical, coordination, and communication skills
Posted 3 days ago | Updated 9 hours ago

IT Security Analyst

Rose International

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Chicago, Illinois, USA

Full-time

Date Posted: 07/10/2025 Hiring Organization: Rose International Position Number: 485340 Industry: Financial Services Job Title: IT Security Analyst Job Location: Chicago, IL, USA, 60604 Work Model: Hybrid Work Model Details: Tues-Thurs Onsite, Mon & Fri Remote Shift: 8am-5pm CST Employment Type: Temporary FT/PT: Full-Time Estimated Duration (In months): 4 Min Hourly Rate($): 68.96 Max Hourly Rate($): 71.42 Must Have Skills/Attributes: Active Directory, Firewall, IDS, Information Securit
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Posted 2 days ago | Updated 9 hours ago

Oracle Identity & Access Management Developer

Gainwell Technologies LLC

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Chicago, Illinois, USA

Full-time

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You'll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You'll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have
Posted 2 days ago | Updated 8 hours ago

Senior Cloud Engineer/ Chicago

Motion Recruitment Partners, LLC

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Chicago, Illinois, USA

Full-time

Exciting job opportunity for a Principal DevOps Engineer to lead the evolution of a cloud-native infrastructure. This full-time position is based in Chicago and offers the opportunity to work with a technology company that values diverse perspectives and is committed to creating meaningful experiences for their users through robust, scalable technology solutions. This is an exceptional opportunity to make a significant impact as a technical leader in a collaborative environment. The successful c
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Posted 11 days ago | Updated 8 hours ago

Senior Embedded Software Engineer

ISCO International LLC

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Schaumburg, Illinois, USA

Full-time

Position Description ISCO is looking for a Senior Embedded Software Engineer to help architect, develop and implement ISCO's new telecommunications products. This role has a wide scope that may include implementation of DSP algorithms, development of drivers and APIs, design of O&M functions, and even support of automated test development efforts. This role requires a Senior level Software Engineer with a broad range of skills, innovative spirit and desire to work in a fast-paced, entrepreneuri
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Posted 9 hours ago