Network Engineer

TransMarket Group L.L.C.; Chicago (IL); Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Profit sharing

Job summary

TransMarket Group in Chicago is seeking a seasoned network engineer to design and operate our high availability, low-latency trading network. You will implement solutions, troubleshoot issues, and collaborate across teams in a fast-paced financial environment.

The role requires CCIE, TCP/IP, multicast, firewall administration, and Python scripting for automation. On-site presence is required; we offer a generous profit-sharing program and comprehensive benefits.

Qualifications

• CCIE certification and senior experience in production financial/trading networks.
• Experience with multicast and unicast routing protocols (TCP/IP, PIM, BGP, OSPF).
• Design, deployment and operation of modern IP multicast networks; high-availability concepts.
• Hands-on data center work and on-call rotation responsibilities.

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.

Skills

CCIE

Low latency networking

TCP/IP networking

Network troubleshooting

Python scripting

On-site presence

Communication skills

Tools

tcpdump

Packet capture

Firewall administration

Job description

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)

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.