TransMarket Group
Network Engineer
Chicago, Illinois, United States · Full-time · Posted Jun 2, 2026
About the job
Design, implement, maintain, and troubleshoot high-availability, low-latency networks supporting automated trading infrastructure.
What you'll do
- Design, monitor, and maintain network infrastructure, including capacity planning.
- Troubleshoot network issues and collaborate with teams on technology solutions.
- Participate in on-call support and some weekend work; mentor junior engineers.
What they ask for
- Experience building and maintaining production financial or trading networks; CCIE is described as ideal.
- Experience with multicast and unicast routing, modern IP multicast networks, firewalls, and site-to-site VPNs.
- Deep understanding of TCP/IP, low-latency networking, packet capture and tcpdump, and high-accuracy timing protocols.
- Network management tools and scripting experience, such as Python; onsite work and some hands-on data center work are required.
Tools
CCIE, TCP/IP, PIM, BGP, OSPF, tcpdump, Python
Model-written summary · the original posting is authoritative