Network Engineer
Transmarketgroup · Chicago, Illinois, United States · Posted Jun 2, 2026
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Who We Are
Founded in 1980 as Aardvark Financial, TransMarket Group (TMG) is a privately held global markets proprietary trading firm in Chicago. We use next-generation technology to capture opportunities around the world and manage risk in financial markets. Our mission is to bless others through the services we provide and through the generous stewardship of the wealth we create.
TMG is a well-established and profitable business as a respected member of the global financial system for over 40 years, but also is like a startup because the potential of our group is at least one order of magnitude greater than what we are currently producing. We have an entrepreneurial culture and collaboratively develop our business with patience and discipline; we work hard, learn constantly, and relentlessly improve our expertise.
Responsibilities
Design network solutions for TMG’s automated trading infrastructure
Implement and maintain a high availability, low latency network infrastructure
Troubleshoot network and network related issues
Collaborate with other team members on new technology solutions
Work with other teams within the firm to address technological issues
Proactively monitor the network and provide capacity planning
Participate in the on-call support rotation and some weekend work
Mentor junior engineers from a technical perspective
Requirements
Seasoned engineer, ideally with a CCIE, experience building and maintaining production financial/trading networks
Experience with multicast and unicast routing protocols (TCP/IP, PIM, BGP, OSPF)
Experience with the design, deployment, and operation of modern IP multicast networks
Working knowledge of low latency networking concepts
Experience with firewall administration and site to site VPN
Some hands-on required for data center work
Deep understanding of the TCP/IP stack
Experience with packet capture and tcpdump analysis tools
Knowledge of high accuracy timing protocols
Experience with network management software and tools
Scripting language experience such as python for network automation, testing, and troubleshooting
Effective communication and interpersonal skills
This position requires physical presence and is onsite (no remote work)
Benefits
We offer one of the most generous profit sharing programs in the industry because we believe our employees should be able to take part in our rapid growth and success. We are proud to offer more world-class benefits for our full-time employees and their families.
TransMarket Group is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, gender, sexual orientation, gender identity or expression, religion, national origin, marital status, age, disability, veteran status, genetic information, or any other protected status.