Senior Platform Infrastructure Engineer
@
Citadel Securities
Develops and maintains scalable, low-latency, and highly reliable infrastructure systems to support trading and research applications, ensuring consistent performance and availability across global platforms.
AWS
Azure
GCP
Kubernetes
Terraform
Docker
Citadel Securities
Citadel Securities is an American market-making firm that provides liquidity and trade execution to retail and institutional clients across various asset classes, including equities, options, fixed income, and foreign exchange.
Key Responsibilities:
- Design, develop, and maintain critical infrastructure software (notably components like process scheduler, configuration and deployment managements system and process state observability systems)
- Collaborate with SREs and production teams worldwide to continuously evolve the deployment, configuration, and management tools for trading applications
- Troubleshoot, diagnose, and resolve complex issues across distributed trading systems to ensure optimal performance and stability
- Author and maintain comprehensive unit and integration tests to ensure high-quality, reliable code
- Contribute to and improve SDLC processes by leveraging industry-standard tools (e.g., Jira, Git, Jenkins, Bazel), with flexibility to adapt to evolving technology stacks
- Document solutions and processes to enable firmwide adoption and ensure knowledge transfer across teams
Requirements:
- Minimum 5 years of commercial experience with each of the following:
- Advanced C++ and Python programming, including production-level development
- Writing maintainable unit and integration tests
- Linux systems as a daily user (strong proficiency in building, deploying, configuring, and troubleshooting)
- Hands-on experience with distributed systems in production environments
- SDLC and tooling (such as Jira, Git, Bazel, Jenkins, or equivalent alternatives)
Key Responsibilities:
- Design, develop, and maintain critical infrastructure software (notably components like process scheduler, configuration and deployment managements system and process state observability systems)
- Collaborate with SREs and production teams worldwide to continuously evolve the deployment, configuration, and management tools for trading applications
- Troubleshoot, diagnose, and resolve complex issues across distributed trading systems to ensure optimal performance and stability
- Author and maintain comprehensive unit and integration tests to ensure high-quality, reliable code
- Contribute to and improve SDLC processes by leveraging industry-standard tools (e.g., Jira, Git, Jenkins, Bazel), with flexibility to adapt to evolving technology stacks
- Document solutions and processes to enable firmwide adoption and ensure knowledge transfer across teams
Requirements:
- Minimum 5 years of commercial experience with each of the following:
- Advanced C++ and Python programming, including production-level development
- Writing maintainable unit and integration tests
- Linux systems as a daily user (strong proficiency in building, deploying, configuring, and troubleshooting)
- Hands-on experience with distributed systems in production environments
- SDLC and tooling (such as Jira, Git, Bazel, Jenkins, or equivalent alternatives)
