Senior Infrastructure Engineer

TradingBlock is seeking an outstanding Infrastructure Engineer to join our team and drive the development and maintenance of our infrastructure and platform reliability systems. If you thrive on building robust scalable infrastructure and enjoy solving complex engineering challenges we want to hear from you. You'll work across the full software development lifecycle from infrastructure design through deployment and monitoring. If you have experience building-quality infrastructure and platform systems for trading or brokerage operations we want to talk to you. You will play a crucial role in designing building and maintaining the systems that power our trading platform.

What You Will Do Key Responsibilities:

• Design develop and maintain trading / brokerage infrastructure (Servers VMs automation and monitoring) critical to business operations
• Ensure platform reliability and scalability
• Build security foundations and ensure compliance
• Build and maintain observability and monitoring infrastructure (Prometheus Grafana Airflow etc.)
• Automate deployments across dev staging and production environments
• Contribute to the architecture and implementation of low-latency high-throughput solutions
• Collaborate with team members to deliver high-quality solutions
• Work directly with developers to solve infrastructure challenges

 What You Will Bring Required Qualifications:

• 3+ years of professional experience in Linux infrastructure/platform engineering (4-6 years ideal) ideally in the Financial Services or FinTech domain
• Proven experience building and maintaining high-quality scalable platform infrastructure in a trading or production environment
• Experience troubleshooting platform reliability and scalability issues.
• Experience with systems monitoring and security controls.
• Ability to learn quickly communicate well and work effectively in a team environment

Experience with the following is a plus:

• Windows/Active Directory configuration and support
• Python scripting
• Infrastructure as code (Terraform Ansible Salt etc)
• Experience with CI/CD systems
• Security and compliance certifications
• Trade/Execution Engines and Market Data Feed Handlers
• FIX protocol and Financial Order Management Systems (OMS)
• 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)

Team Structure: You'll be part of a small team that supports our infrastructure and developers.

This is a critical role - you'll be building the foundation that enables everything we do.

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

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.