Citadel Securities

Senior Platform Infrastructure Engineer

Reposted 2 Hours Ago

Be an Early Applicant

2 Locations

In-Office

175K-350K Annually

Senior level

Information Technology • Software • Financial Services • Quantitative Trading

We embrace bold ideas and seize opportunities others don’t from the way we operate to the strategies we deploy.

The Role

The Senior Platform Infrastructure Engineer will design develop and maintain infrastructure software collaborate with teams and troubleshoot issues across trading systems.

Summary Generated by Built In

Job Description
Role Overview
Citadel Securities is seeking an exceptional Senior Platform Infrastructure Engineer to join one of our Platform Engineering teams in Miami or New York. Our team is responsible for building and maintaining the foundational platform that orchestrates application execution at scale-including deployment configuration and reliability-for our high frequency trading systems operating across the globe. This critical infrastructure is leveraged daily by Site Reliability Engineers (SREs) to ensure the seamless operation of the firm's trading platforms.
As a key technical member you'll take ownership of design and development for core infrastructure components. This role is a unique opportunity to make a direct and significant impact on systems critical for the successful execution of cutting-edge trading strategies enterprise-wide.
We are building software infrastructure to reliably run a constantly changing trading system that contains many thousands of interdependent applications in many thousands of hosts in dozens of locations all around the globe.
We are looking for candidates with a passion for robust distributed systems solid software engineering fundamentals and demonstrable experience deploying and managing production-scale trading infrastructure.
Opportunities may be available from time to time in any location in which the business is based for suitable candidates. If you are interested in a career with Citadel Securities please share your details and we will contact you if there is a vacancy available.
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

Qualifications

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)

Preferred

Expertise or experience with any of the following will be regarded as a strong plus:
Job scheduling and orchestration tools (e.g. Slurm Airflow) especially at a developer level
Deep familiarity with Linux internals and tooling (systemd cgroups FUSE etc.)
Security protocols relevant to infrastructure (TLS Kerberos Active Directory etc.)
Networking fundamentals (HTTP DNS multicast TCP/UDP etc.)
Cloud infrastructure management infrastructure-as-code (Terraform)

In accordance with applicable law the base salary range for this role is $175000 to $350000.
In addition the employee who fills this role will be eligible to participate in a discretionary incentive compensation program as well as a wide array of benefit programs such as medical and life insurance retirement and tax-free savings plans and access to other healthcare programs.
About Citadel Securities
Citadel Securities is a technology-driven next-generation global market maker. We provide institutional and retail investors with world-class liquidity competitive pricing and seamless front-to-back execution in a broad array of financial products. Our teams of engineers traders and researchers harness leading-edge quantitative research and the accelerating power of compute machine learning and AI to power our analytics and tackle the market's and our clients' most critical challenges. Together we are forging the future of capital markets. For more information visit citadelsecurities.com .

Top Skills

Bazel

C++

Git

Jenkins

JIRA

Linux

Python

Terraform

What the Team is Saying

View all jobs at Citadel Securities

View Citadel Securities Profile

Report Job

Am I A Good Fit?

beta

Get Personalized Job Insights.

Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company

HQ: Miami FL

1900 Employees

Year Founded: 2002

What We Do

Citadel Securities is a technology-driven next-generation global market maker. We provide institutional and retail investors with world-class liquidity competitive pricing and seamless front-to-back execution in a broad array of financial products. Our teams of engineers traders and researchers harness leading-edge quantitative research and the accelerating power of compute machine learning and AI to power our analytics and tackle the market’s and our clients’ most critical challenges. Together we are forging the future of capital markets.

Why Work With Us

We do not accept the status quo and we are constantly looking to achieve what others think is impossible. That’s true not just in our careers but also in our communities.