Software engineer jobs in Chicago, IL

About the role

As a Systems Software Engineer on our Network Capture Services team, you will help build and operate the firm's network packet capture platform. The data our capture systems produce is relied on daily by trading, research, and support teams, and they treat it as mission critical. You will work alongside experienced software and systems engineers who share operational responsibility for everything we ship. This role is broader than a typical systems software engineering role. You will write software (C++, Python, Rust, Ruby), and you will also spend a significant share of your time on systems and infrastructure work: specifying, building, and deploying capture servers, automating that process with Ansible, and coordinating with our data center, systems administration, network engineering, and purchasing teams to get it done. You will take a regular turn on the team's weekly production support rotation, and there is steady feature development work alongside it. If you want a role with real breadth, genuine ownership of what you deploy, and you like to be challenged, this is for you. This role is based in our Chicago headquarters. As a Systems Software Engineer on our Network Capture Services team, you will help build and operate the firm's network packet capture platform. You will work alongside experienced software and systems engineers who share operational responsibility for everything we ship. This role is broader than a typical systems software engineering role. You will write software (C++, Python, Rust, Ruby), and you will also spend a significant share of your time on systems and infrastructure work: specifying, building, and deploying capture servers, automating that process with Ansible, and coordinating with our data center, systems administration, network engineering, and purchasing teams to get it done. You will take a regular turn on the team's weekly production support rotation, and there is steady feature development work alongside it. This role is based in our Chicago headquarters.

What you'll bring

• 3+ years of professional systems software engineering experience, strong skills in a systems language such as Rust, C/C++, or Go, and a genuine willingness to make C++ your primary language.
• Experience with DPDK or comparable kernel-bypass packet processing, including the concepts that come with it — hugepages, CPU pinning and core isolation, NUMA awareness, poll-mode drivers
• Strong Linux skills, including administration and troubleshooting of production servers.
• Solid networking fundamentals: TCP/IP, routing, switching, NICs, packet analysis
• Hands-on experience with server hardware and data center workflows — specifying and validating builds, working through remote hands, rack and cabling coordination, firmware and BIOS, out-of-band management
• Experience with Ansible or a comparable configuration management tool
• Comfort and effectiveness coordinating work across infrastructure teams you do not sit on, and patience for the follow-through that requires
• Experience with Git, CI/CD pipelines, and package management.
• Strong scripting skills in Bash, Python, Ruby, or similar
• A habit of working on systems with a constant focus on testing, reliability, scalability, and maintainability
• Familiarity with service discovery, secrets management, metrics and dashboarding, and relational databases
• Excellent written and verbal communication skills

Benefits