Citadel Securities

Site Reliability Engineer

Posted 2 Days Ago

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London, Greater London, England

125K-350K Annually

3-5 Years Experience

Information Technology • Software • Financial Services

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

The Role

The Site Reliability Engineer will support first-line problem diagnosis in a distributed environment, lead application migrations, and ensure capacity planning and infrastructure upgrades. They need strong collaboration skills and a good grasp of technology trends while being able to manage priorities and deadlines.

Summary Generated by Built In

Job Description
Responsibilities:
Candidates who have less than 3 years of experience should possess:

Good knowledge of UNIX/Linux command line.
Good understanding of the usage of TCP/IP and UDP networking in applications.
Basic understanding of network routing and troubleshooting.
Basic experience in writing SQL database queries.
Basic experience in Bash, Python or other scripting language.

Candidates with 3+ years of experiences should possess:

First line support and root cause problem diagnosis within a real-time, distributed environment.
Large-scale application and infrastructure capacity planning and deployment.
Organizing application migrations and infrastructure upgrades.

Behavioral Requirements:

Clear ability to collaborate with multiple colleagues and lead brainstorming and other live troubleshooting sessions.
Good verbal communication skills with a self-driven, inquisitive attitude to problem-solving.
Clear ability to manage multiple priorities and deadlines.
Genuine curiosity in technology and staying abreast of current technology trends.

Skills and Preferred Qualifications:

Trading desk support experience and knowledge of trading systems and applications.
Intermediate-level Python development experience.
Understanding of operating system performance tuning.

About Citadel Securities
Citadel Securities is an award-winning global market maker that helps meet the liquidity needs of asset managers, banks, broker-dealers, hedge funds, government agencies, and public pension programs. We offer a broad array of fixed income and equity products, utilizing unique capabilities and tools designed to drive down the cost of transactions. We strive to provide the most efficient execution and highest caliber of client services, making markets more fair and accessible for all.
In accordance with New York City's Pay Transparency Law, the base salary range for this role is $125,000 to $350,000. Base salary does not include other forms of compensation or benefits.
About Citadel Securities
Citadel Securities is the next-generation capital markets firm and a leading global market maker. We provide institutional and retail investors with the liquidity they need to trade a broad array of equity and fixed income products in any market condition. The brightest minds in finance, science and technology use powerful, advanced analytics to solve the market's most critical challenges, turning big ideas into real-world outcomes.

Top Skills

Bash

Python

What the Team is Saying

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The Company

HQ: Miami, FL

1,900 Employees

On-site Workplace

Year Founded: 2002

What We Do

Citadel Securities is the next-generation capital markets firm. Our work is powered by the deepest integration of financial, mathematical and engineering expertise. Combining deep trading acumen with cutting-edge analytics and technology, we at Citadel Securities deliver critical liquidity to the world’s most important financial institutions—while helping shape the global markets of tomorrow.

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.