TradingBlock is seeking an outstanding Infrastructure Engineer to join our team and drive the development and maintenance of our network and firewall systems. If you thrive on building robust, scalable infrastructure and enjoy solving complex engineering challenges, we want to hear from you. If you have experience building high-quality network infrastructure and security systems for trading or brokerage operations, we want to talk to you. You will play a crucial role in designing, building, and maintaining the network that powers our trading platform.
What You Will Do, Key Responsibilities:
- Design, develop, and maintain network infrastructure including Arista switches and firewalls critical to trading and brokerage operations
- Build security foundations and ensure compliance with security policies.
- Ensure platform reliability and scalability
- Expand and maintain observability and monitoring infrastructure (Zabbix, Prometheus, Grafana, etc.)
- Contribute to the architecture and implementation of low-latency, high-throughput solutions
- Collaborate with team members to deliver high-quality solutions
What You Will Bring, Required Qualifications:
- 3+ years of professional experience in network engineering ideally with Arista switches in the Financial Services or FinTech domain.
- Experience with dynamic routing protocols such as OSPF and BGP.
- Proven experience deploying and maintaining firewalls in a production environment
- Systems monitoring and security foundations
- Ability to learn quickly, communicate well, and work effectively in a team environment
Experience with the following is a plus:
- Experience with PIM multicast network operation and troubleshooting
- Linux configuration and support
- Experience with network monitoring tools (Zabbix, Prometheus, etc)
- Python scripting
- Experience with Ansible or other network automation systems
- Security and compliance certifications
- Experience with high-throughput, low-latency systems
- Cloud infrastructure (AWS, Azure, or similar)
Why TradingBlock: Born in the CBOE trading pits twenty years ago, we earned our place with professional traders and are now bringing that same edge to retail and blockchain based trading technologies. At TradingBlock, you get real autonomy and meaningful work, with the freedom to shape what we build next. We're a small, profitable fintech in downtown Chicago that was built by and for traders. Small team, sharp people, and everyone actually cares about building the best product.
Location: Chicago, IL (Financial District, across the street from Willis Tower)
Benefits:
- 401(k)
- Performance Bonus
- Health, Dental, and Vision Insurance
- Flexible Spending Account (FSA)
- Flexible Work Schedule
- Paid Sick Days and Holidays
- Free Onsite Gym
- Professional Development
- Promote From Within
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What We Do
TradingBlock was recently named the 2025 Best Brokerage for Options Trading by Benzinga based on our commitment to providing investors, active traders, and investment professionals intuitive, fully customizable brokerage and trading solutions.
