Interactive Brokers LLC logo

Senior Systems Architect, Enterprise Architecture

Job Overview

Location

Greenwich, CT

Job Type

Full-time

Category

Software Engineering

Date Posted

June 22, 2026

Full Job Description

đź“‹ Description

  • • Design, implement, and maintain CI/CD pipelines to ensure efficient and reliable build and release processes for enterprise systems.
  • • Write and review code, develop documentation, and create capacity plans to support system scalability and reliability.
  • • Conduct proof-of-concept work on emerging technologies to evaluate their suitability for enterprise infrastructure.
  • • Develop and maintain infrastructure-as-code using Terraform or CloudFormation to automate provisioning and configuration management.
  • • Serve as an escalation contact for service incidents as part of a rotational on-call schedule to ensure system availability.
  • • Mentor junior engineers by providing technical guidance, code reviews, and career development support.
  • • Stay current with industry trends and emerging technologies in cloud infrastructure, automation, and enterprise architecture.
  • • Collaborate across teams to ensure architectural alignment, system resilience, and operational excellence across global financial systems.
  • • Ensure systems meet the high availability, scalability, and security standards required in a regulated financial services environment.
  • • Participate in architectural reviews and contribute to long-term technology roadmaps for enterprise applications and infrastructure.
  • • Optimize system performance through capacity planning, performance tuning, and proactive monitoring strategies.
  • • Apply infrastructure-as-code principles to enforce consistency, repeatability, and auditability across cloud and on-premises environments.
  • • Integrate security and compliance requirements into infrastructure design and deployment workflows.
  • • Support application software development teams by providing scalable, reliable, and automated platform services.
  • • Communicate technical concepts clearly to both technical and non-technical stakeholders through documentation and presentations.
  • • Work in a hybrid model with three days per week in the Greenwich, CT office and two days remotely.

🎯 Requirements

  • • Bachelor’s or Master’s degree in computer science or other STEM-related field
  • • 5+ years of experience in Linux/Unix systems and networking fundamentals
  • • 5+ years of coding experience
  • • Experience with cloud platforms (AWS or Azure)
  • • Experience with infrastructure-as-code tools (Terraform or CloudFormation)
  • • Excellent problem-solving and communication skills, both verbal and written

🏖️ Benefits

  • • Competitive salary, annual performance-based bonus, and stock grant
  • • Retirement plan 401(k) with competitive company match
  • • Excellent health and wellness benefits, including medical, dental, and vision; company-paid medical healthcare premium
  • • Paid time off and a generous parental leave policy
  • • Daily company lunch allowance and fully stocked kitchen with healthy breakfast and snack options
  • • Education reimbursement and learning opportunities

Skills & Technologies

AWS
Azure
Docker
Kubernetes
Terraform
Senior
Remote
Degree Required

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About Interactive Brokers LLC

Interactive Brokers LLC is a U.S.-regulated electronic brokerage and market maker that provides direct-access trading in stocks, options, futures, forex, bonds, ETFs and funds to individual and institutional clients worldwide. The company operates a consolidated equity capital of over $10 billion, routes orders to more than 150 markets in 33 countries, and offers a proprietary Trader Workstation platform, margin lending, portfolio management tools, research and robo-advisory services through Interactive Advisors. Founded in 1978 and headquartered in Greenwich, Connecticut, it is listed on NASDAQ under ticker IBKR and regulated by SEC, FINRA, NYSE and global authorities.

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