Linux jobs in Markham

Locations: Cincinnati, OH / Chicago, IL / Charlotte, NC (Onsite) Employment Type: Contract Job Summary We are seeking a Platform Engineer III to support and enhance batch-oriented, compute-intensive platforms in a production environment. This role involves maintaining system stability, troubleshooti

Ann & Robert H. Lurie Children’s Hospital of Chicago provides superior pediatric care in a setting that offers the latest benefits and innovations in medical technology, research and family-friendly design. As the largest pediatric provider in the region with a 140-year legacy of excellence, kid

C++ Linux Programmer Chicago - Onsite About The Role: As a sharp C++ developer with solid Linux expertise, you'll be part of a great team. What You'll Do: As a core developer focused on Futures Market Making, you will work closely with our development team on everything from building direct access t

Who We Are CAI is a global services firm with over 9,000 associates worldwide and a yearly revenue of $1.3 billion+. We have over 40 years of excellence in uniting talent and technology to power the possible for our clients, colleagues, and communities. As a privately held company, we have the freed

A trading technology firm in Chicago is looking for a Software Engineer to support and innovate internal systems used in a live trading environment. The ideal candidate will have strong experience in C# and C++, along with Linux. The role requires hands-on development and supports collaboration in a

A leading technology company is seeking a Senior Systems Administrator to enhance its global IT infrastructure. This hybrid role based in Niles, IL, requires deep technical expertise in Windows, Linux, and SAP systems. Key responsibilities include administering IT infrastructure, optimizing system p

Overview This is a unique opportunity to join a successful start-up firm that is expanding operations in their Chicago location. Job Description In this role, you will work in the Infrastructure and Operations team and directly with development and research to define and develop components of the in

Job ID: 716490BR Date posted: Feb. 03, 2026 Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our

Optiver’s Enterprise Technology Support Engineers focus on IT systems and applications that allow users to perform their daily work. We firmly believe in finding the right blend of functionality for our users and manageability for administrators. To that end, the person we seek will revel in finding

Senior Software Engineer - [Chicago Only] Who We Are At 8th Light, we bring life to the best ideas. Founded in 2006 and headquartered in Chicago, we are a technology solutions provider that partners with organizations to solve meaningful challenges and drive sustainable growth. From early-stage star

GUI Linux/C++ Developer Chicago - Onsite About The Role: As our skilled GUI Designer/Developer with expertise, you'll utilize C++, Linux, Qt, and X11 optimization to create efficient, responsive user interfaces for our software. What You'll Do: Collaborate with teams to gather project and user requi

A leading technology recruitment firm in Chicago is seeking a Linux Engineer to support and engineer bare-metal Linux servers. You will be responsible for troubleshooting complex issues, developing automation tools, and improving workflows and configuration management. The ideal candidate has extens

RIT Solutions, Inc.

Client : Client Teams Interviews Position Title: Software Engineer Sr (Linux) Position Location: Hybrid (3 days in office - 2 remote) Software Eng 55-65/hr W2 Pittsburgh, PA 15222 Strongsville, OH 44136 Birmingham, AL 35233 Dallas, TX 75234 Phoenix AZ 85016 Roles and Responsibilities: Software packa

Request Technology, LLC

A prestigious company is looking for a Trade Support Linux Engineer. This role will focus on Linux front and backend trade application support. This role will work with log files, python, Perl, automation, production support for Unix/Linux. Base pay range $90,000.00/yr - $115,000.00/yr Work arrangem

A dynamic start-up firm in Chicago is looking for a System Administrator to join their Infrastructure and Operations team. This role involves managing systems in both Linux and Windows environments, troubleshooting software and hardware issues, and working on network support. Candidates should have

**Location Overview** With its prime location in the heart of downtown, the OPO Building provides easy access to major transportation hubs, including Union Station and multiple CTA lines, making it convenient for commuters. The building is home to a variety of amenities, including restaurants, a fit

On-Site Data Center/Dell Server Service Engineer - Lisle, IL Start Date - ASAP - 6 month assignment with possible extension This role is ideal for engineers or senior technicians who thrive in fast-paced, customer-facing environments and want to work hands-on with cutting-edge AI data center technol

Job Summary We are hiring a Systems Engineer to manage and optimize enterprise IT infrastructure, ensuring reliability, scalability, and performance across hybrid environments. Responsibilities Manage servers, virtualization, and cloud infrastructure Monitor system performance and troubleshoot issue

Overview At Early Warning, we’ve powered and protected the U.S. financial system for over thirty years with cutting-edge solutions like Zelle®, Paze℠, and so much more. As a trusted name in payments, we partner with thousands of institutions to increase access to financial services and protect trans

Actalent

Job Title: Principal Embedded Linux Developer Job Description We are seeking a highly skilled Principal Embedded Linux Developer to design, develop, and optimize embedded Linux software for custom platforms. The role involves building and maintaining software drivers, system-level applications, and