Infrastructure Engineer Jobs in Illinois

Systems Support EngineerWe're seeking a Systems Support Engineer to support the technology environments behind a fast-paced electronic trading business. You'll work closely with engineering and operations teams to improve the reliability of development and testing platforms used to build and validate trading systems.What You'll DoSupport Linux-base...

A global options market maker is looking for an experienced options trader who is interested in taking on projects with a broader scope. The candidate will collaborate directly with senior leadership to shape how the firm develops, evaluates, and elevates its trading talent across the desks. The role connects the trading floor with firm-wide strate...

Senior iSeries Developer (IBM i / AS400) | Hybrid in Greater Chicago OverviewA well-established auto and homeowners insurance carrier is seeking an experienced Senior iSeries Developer to join its technology team. This individual will play a key role in supporting, enhancing, and modernizing business-critical applications that support core insuranc...

I'm working with a leading HFT firm in Chicago that's hiring a Team Lead to help build and scale a brand-new team within Infrastructure Engineering. This is an opportunity to join as the founding engineer of a greenfield buildout. You'll help build and scale a new function from the ground up, owning the architecture and development of critical int...

Microsoft 365 Technical Lead / Architect A leading proprietary trading firm is seeking a Microsoft 365 Technical Lead / Architect to own the design, automation, security, and operation of its Microsoft 365 environment. You'll be responsible for delivering a scalable, secure, and highly automated modern workplace platform supporting a fast-paced tra...