Citadel Securities

careers-icon 34 opportunities

location-icon Australia

users-icon 1001-5,000 employees

Jobs and Opportunities

2024-2025 Site Reliability Engineering Internship - Engineering
InternshipsSydney (Australia)
Engineering

Citadel’s Site Reliability Engineers (SRE) are Software Engineers (SWE), who work to incorporate best practices from SRE to finance, bringing innovation and cutting edge technology to reduce complexity and improve performance....

2024-2025 Site Reliability Engineering Internship - Information Technology
InternshipsSydney (Australia)
Information Technology

Citadel’s Site Reliability Engineers (SRE) are Software Engineers (SWE), who work to incorporate best practices from SRE to finance, bringing innovation and cutting edge technology to reduce complexity and improve performance....

2025 Quantitative Trading Full Time - Data Science and Analytics
Graduate JobsSydney (Australia)
Data Science and Analytics

Our Traders identify opportunities in major financial markets around the world and take calculated risks. We succeed together in a team environment that facilitates close collaboration between Traders, Quantitative Researchers, and Technologists....

2025 Quantitative Trading Full Time - Engineering
Graduate JobsSydney (Australia)
Engineering

Our Traders identify opportunities in major financial markets around the world and take calculated risks. We succeed together in a team environment that facilitates close collaboration between Traders, Quantitative Researchers, and Technologists....

2025 Quantitative Trading Full Time - Physics
Graduate JobsSydney (Australia)
Physics

Our Traders identify opportunities in major financial markets around the world and take calculated risks. We succeed together in a team environment that facilitates close collaboration between Traders, Quantitative Researchers, and Technologists....

2025 Quantitative Trading Full Time - Science
Graduate JobsSydney (Australia)
Science

Our Traders identify opportunities in major financial markets around the world and take calculated risks. We succeed together in a team environment that facilitates close collaboration between Traders, Quantitative Researchers, and Technologists....

2024-2025 Quantitative Trading Internship - Engineering
InternshipsSydney (Australia)
Engineering

At Citadel Securities, our traders make complex risk decisions and execute trades at scale, in real-time. As a markets and trading expert, you’ll use predictive analytics and advanced technology to monitor risk, respond to market signals and execute trading strategies....

2024-2025 Quantitative Research Internship - Data Science and Analytics
InternshipsSydney (Australia)
Data Science and Analytics

Quantitative Researchers play a key role in this mission by developing next-generation models and trading approaches for a range of investment strategies....

2024-2025 Quantitative Research Internship - Mathematics
InternshipsSydney (Australia)
Mathematics

Quantitative Researchers play a key role in this mission by developing next-generation models and trading approaches for a range of investment strategies....

2024-2025 Software Engineering Internship - Science
InternshipsSydney (Australia)
Science

Software Engineers at Citadel Securities create next generation software solutions that help produce systems that power our investment research, trading, risk management, and funding & settlement systems....

2024-2025 International Student Opportunities - Quant Trading Graduates
Graduate JobsSydney (Australia)Accepts International
Data Science and Analytics

Our Traders identify opportunities in major financial markets around the world and take calculated risks. We succeed together in a team environment that facilitates close collaboration between Traders, Quantitative Researchers, and Technologists....

2024-2025 Quantitative Research Internship - Statistics
InternshipsSydney (Australia)
Statistics

Quantitative Researchers play a key role in this mission by developing next-generation models and trading approaches for a range of investment strategies....

2024-2025 Software Engineering Internship - Data Science and Analytics
InternshipsSydney (Australia)
Data Science and Analytics

Software Engineers at Citadel Securities create next generation software solutions that help produce systems that power our investment research, trading, risk management, and funding & settlement systems....

2024-2025 Site Reliability Engineering Internship - Engineering Software
InternshipsSydney (Australia)
Engineering - Software

Citadel’s Site Reliability Engineers (SRE) are Software Engineers (SWE), who work to incorporate best practices from SRE to finance, bringing innovation and cutting edge technology to reduce complexity and improve performance....

2024-2025 Quantitative Research Internship - Science
InternshipsSydney (Australia)
Science

Quantitative Researchers play a key role in this mission by developing next-generation models and trading approaches for a range of investment strategies....

2024-2025 International Student Opportunities - Fundamental Analyst Internship
InternshipsSydney (Australia)Accepts International
Banking and Finance

Fundamental research analysts work closely with the trading team, using superior processes, data and intuition to forecast the first, second and third moment of a security’s price distribution around thematic and idiosyncratic events....

2024-2025 Software Engineering Internship - Engineering Software
InternshipsSydney (Australia)
Engineering - Software

Software Engineers at Citadel Securities create next generation software solutions that help produce systems that power our investment research, trading, risk management, and funding & settlement systems....

2024-2025 International Student Opportunities - Site Reliability Engineering Int
InternshipsSydney (Australia)Accepts International
Engineering

Citadel’s Site Reliability Engineers (SRE) are Software Engineers (SWE), who work to incorporate best practices from SRE to finance, bringing innovation and cutting edge technology to reduce complexity and improve performance....

2024-2025 Fundamental Analyst Internship - Data Science and Analytics
InternshipsSydney (Australia)
Banking and Finance

Fundamental research analysts work closely with the trading team, using superior processes, data and intuition to forecast the first, second and third moment of a security’s price distribution around thematic and idiosyncratic events....

2024-2025 Fundamental Analyst Internship - Science
InternshipsSydney (Australia)
Banking and Finance

Fundamental research analysts work closely with the trading team, using superior processes, data and intuition to forecast the first, second and third moment of a security’s price distribution around thematic and idiosyncratic events....

2025 Quantitative Trading Full Time - Mathematics
Graduate JobsSydney (Australia)
Mathematics

Our Traders identify opportunities in major financial markets around the world and take calculated risks. We succeed together in a team environment that facilitates close collaboration between Traders, Quantitative Researchers, and Technologists....

2025 Quantitative Trading Full Time - Statistics
Graduate JobsSydney (Australia)
Statistics

Our Traders identify opportunities in major financial markets around the world and take calculated risks. We succeed together in a team environment that facilitates close collaboration between Traders, Quantitative Researchers, and Technologists....

2024-2025 Software Engineering Internship - Engineering
InternshipsSydney (Australia)
Engineering

Software Engineers at Citadel Securities create next generation software solutions that help produce systems that power our investment research, trading, risk management, and funding & settlement systems....

2024-2025 Quantitative Trading Internship - Statistics
InternshipsSydney (Australia)
Statistics

At Citadel Securities, our traders make complex risk decisions and execute trades at scale, in real-time. As a markets and trading expert, you’ll use predictive analytics and advanced technology to monitor risk, respond to market signals and execute trading strategies....

2024-2025 Quantitative Research Internship - Physics
InternshipsSydney (Australia)
Physics

Quantitative Researchers play a key role in this mission by developing next-generation models and trading approaches for a range of investment strategies....

2024-2025 Quantitative Trading Internship - Physics
InternshipsSydney (Australia)
Physics

At Citadel Securities, our traders make complex risk decisions and execute trades at scale, in real-time. As a markets and trading expert, you’ll use predictive analytics and advanced technology to monitor risk, respond to market signals and execute trading strategies....

2024-2025 Quantitative Trading Internship - Mathematics
InternshipsSydney (Australia)
Mathematics

At Citadel Securities, our traders make complex risk decisions and execute trades at scale, in real-time. As a markets and trading expert, you’ll use predictive analytics and advanced technology to monitor risk, respond to market signals and execute trading strategies....

2024-2025 Quantitative Trading Internship - Data Science and Analytics
InternshipsSydney (Australia)
Data Science and Analytics

At Citadel Securities, our traders make complex risk decisions and execute trades at scale, in real-time. As a markets and trading expert, you’ll use predictive analytics and advanced technology to monitor risk, respond to market signals and execute trading strategies....

2024-2025 Quantitative Research Internship - Engineering
InternshipsSydney (Australia)
Engineering

Quantitative Researchers play a key role in this mission by developing next-generation models and trading approaches for a range of investment strategies....

2024-2025 Fundamental Analyst Internship - Mathematics
InternshipsSydney (Australia)
Banking and Finance

Fundamental research analysts work closely with the trading team, using superior processes, data and intuition to forecast the first, second and third moment of a security’s price distribution around thematic and idiosyncratic events....

2024-2025 International Student Opportunities - Quant Trading Internship
InternshipsSydney (Australia)Accepts International
Data Science and Analytics

At Citadel Securities, our traders make complex risk decisions and execute trades at scale, in real-time. As a markets and trading expert, you’ll use predictive analytics and advanced technology to monitor risk, respond to market signals and execute trading strategies....

2024-2025 International Student Opportunities - Quant Research Internship
InternshipsSydney (Australia)Accepts International
Data Science and Analytics

Quantitative Researchers play a key role in this mission by developing next-generation models and trading approaches for a range of investment strategies....

2024-2025 International Student Opportunities -Software Engineering internship
InternshipsSydney (Australia)Accepts International
Data Science and Analytics

Software Engineers at Citadel Securities create next generation software solutions that help produce systems that power our investment research, trading, risk management, and funding & settlement systems....

Citadel Securities Terminal Competition
Closing in 8 days
Casual JobsSydney (Australia)Accepts International
Computer Science

Terminal is an online programming competition of technical and creative problem-solving. It’s an opportunity to demonstrate how you thrive under pressure as you problem-solve through programming—but most importantly, how you do it as a team....