Citadel Securities

careers-icon 48 opportunities

location-icon Australia

users-icon 1001-5,000 employees

Jobs and Opportunities

2025-2026 International Student Opportunities - Fundamental Analyst Graduate
Closing in 6 days
Graduate JobsSydney (Australia)
Data Science and Analytics

Citadel Securities is a leading Options Market Maker. The ability to seamlessly blend fundamental and quantitative analysis has been one of the drivers of our success....

2025-2026 International Student Opportunities - Quantitative Trading Graduates
Closing in 6 days
Graduate JobsSydney (Australia)
Data Science and Analytics

Citadel Securities is a leading Options Market Maker. The ability to seamlessly blend fundamental and quantitative analysis has been one of the drivers of our success....

2025-2026 Site Reliability Engineering Internship - Engineering
Closing in 6 days
InternshipsSydney (Australia)
Engineering

Citadel Securities’ 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....

2025-2026 Software Engineering Internship - Engineering
Closing in 6 days
InternshipsSydney (Australia)
Engineering

At Citadel Securities, our engineers work in small teams to turn the best ideas into high-performing and resilient technology. With short development cycles, work rapidly goes into production....

2025-2026 Software Engineering Internship - Data Science and Analytics
Closing in 6 days
InternshipsSydney (Australia)
Data Science and Analytics

At Citadel Securities, our engineers work in small teams to turn the best ideas into high-performing and resilient technology. With short development cycles, work rapidly goes into production....

2025-2026 Software Engineering Internship - Science
Closing in 6 days
InternshipsSydney (Australia)
Science

At Citadel Securities, our engineers work in small teams to turn the best ideas into high-performing and resilient technology. With short development cycles, work rapidly goes into production....

2025-2026 Software Engineering Internship - Software Engineering
Closing in 6 days
InternshipsSydney (Australia)
Engineering - Software

At Citadel Securities, our engineers work in small teams to turn the best ideas into high-performing and resilient technology. With short development cycles, work rapidly goes into production....

2025-2026 International Student Opportunities - Fundamental Analyst Internship
Closing in 6 days
InternshipsSydney (Australia)
Data Science and Analytics

Citadel Securities is a leading Options Market Maker. The ability to seamlessly blend fundamental and quantitative analysis has been one of the drivers of our success....

2025-2026 International Student Opportunities - FPGA Engineer Internship
Closing in 6 days
InternshipsSydney (Australia)
Computer Science

At Citadel Securities, a leading global market maker, our team of FPGA Engineers work in small teams to create the next generation FPGA solutions to support ultra-low latency trading systems across the firm....

2025-2026 International Student Opportunities - Quantitative Research PhD Intern
Closing in 6 days
InternshipsSydney (Australia)
Data Science and Analytics

At Citadel Securities, a leading global market maker, our team of quantitative researchers models the markets and brings trading strategies to life every day....

2025-26 International Student Opportunities-Quantitative Research Analyst Intern
Closing in 6 days
InternshipsSydney (Australia)
Data Science and Analytics

At Citadel Securities, a leading global market maker, our team of quantitative researchers models the markets and brings trading strategies to life every day....

2025-2026 International Student Opportunities - Quantitative Trading Internship
Closing in 6 days
InternshipsSydney (Australia)
Data Science and Analytics

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 across Options, ETFs, Equities, Fixed Income, Commodities and Currencies....

2025-2026 International Student Opportunities - Software Engineering Internship
Closing in 6 days
InternshipsSydney (Australia)
Data Science and Analytics

At Citadel Securities, our engineers work in small teams to turn the best ideas into high-performing and resilient technology. With short development cycles, work rapidly goes into production....

2025-2026 Site Reliability Engineering Internship - Software Engineering
Closing in 6 days
InternshipsSydney (Australia)
Engineering - Software

Citadel Securities’ 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....

2025-2026 Site Reliability Engineering Internship - Information Technology
Closing in 6 days
InternshipsSydney (Australia)
Information Technology

Citadel Securities’ 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....

2025-2026 Quantitative Trading Internship - Statistics
Closing in 6 days
InternshipsSydney (Australia)
Statistics

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 across Options, ETFs, Equities, Fixed Income, Commodities and Currencies....

2025-2026 Quantitative Trading Internship - Science
Closing in 6 days
InternshipsSydney (Australia)
Science

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 across Options, ETFs, Equities, Fixed Income, Commodities and Currencies....

2025-2026 Quantitative Trading Internship - Physics
Closing in 6 days
InternshipsSydney (Australia)
Physics

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 across Options, ETFs, Equities, Fixed Income, Commodities and Currencies....

2025-2026 Quantitative Trading Internship - Mathematics
Closing in 6 days
InternshipsSydney (Australia)
Mathematics

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 across Options, ETFs, Equities, Fixed Income, Commodities and Currencies....

2025-2026 Quantitative Trading Internship - Engineering
Closing in 6 days
InternshipsSydney (Australia)
Engineering

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 across Options, ETFs, Equities, Fixed Income, Commodities and Currencies....

2025-2026 Quantitative Trading Internship - Data Science and Analytics
Closing in 6 days
InternshipsSydney (Australia)
Data Science and Analytics

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 across Options, ETFs, Equities, Fixed Income, Commodities and Currencies....

2025-2026 Quantitative Research Analyst Internship - Statistics
Closing in 6 days
InternshipsSydney (Australia)
Statistics

At Citadel Securities, a leading global market maker, our team of quantitative researchers models the markets and brings trading strategies to life every day....

2025-2026 Quantitative Research Analyst Internship - Science
Closing in 6 days
InternshipsSydney (Australia)
Data Science and Analytics

At Citadel Securities, a leading global market maker, our team of quantitative researchers models the markets and brings trading strategies to life every day....

2025-2026 Quantitative Research Analyst Internship - Physics
Closing in 6 days
InternshipsSydney (Australia)
Physics

At Citadel Securities, a leading global market maker, our team of quantitative researchers models the markets and brings trading strategies to life every day....

2025-2026 Quantitative Research Analyst Internship - Mathematics
Closing in 6 days
InternshipsSydney (Australia)
Mathematics

At Citadel Securities, a leading global market maker, our team of quantitative researchers models the markets and brings trading strategies to life every day....

2025-2026 Quantitative Research Analyst Internship - Engineering
Closing in 6 days
InternshipsSydney (Australia)
Engineering

At Citadel Securities, a leading global market maker, our team of quantitative researchers models the markets and brings trading strategies to life every day....

2025-2026 Quantitative Research Analyst Internship - Data Science and Analytics
Closing in 6 days
InternshipsSydney (Australia)
Data Science and Analytics

At Citadel Securities, a leading global market maker, our team of quantitative researchers models the markets and brings trading strategies to life every day....

2025-2026 Quantitative Research PHD Internship - Science
Closing in 6 days
InternshipsSydney (Australia)
Science

At Citadel Securities, a leading global market maker, our team of quantitative researchers models the markets and brings trading strategies to life every day. Specifically, this team develops and tests automated quant trading strategies using sophisticated statistical techniques....

2025-2026 Quantitative Research PHD Internship - Statistics
Closing in 6 days
InternshipsSydney (Australia)
Statistics

At Citadel Securities, a leading global market maker, our team of quantitative researchers models the markets and brings trading strategies to life every day. Specifically, this team develops and tests automated quant trading strategies using sophisticated statistical techniques....

2025-2026 Quantitative Research PHD Internship - Physics
Closing in 6 days
InternshipsSydney (Australia)
Physics

At Citadel Securities, a leading global market maker, our team of quantitative researchers models the markets and brings trading strategies to life every day. Specifically, this team develops and tests automated quant trading strategies using sophisticated statistical techniques....

2025-2026 Quantitative Research PHD Internship - Mathematics
Closing in 6 days
InternshipsSydney (Australia)
Mathematics

At Citadel Securities, a leading global market maker, our team of quantitative researchers models the markets and brings trading strategies to life every day. Specifically, this team develops and tests automated quant trading strategies using sophisticated statistical techniques....

2025-2026 Quantitative Research PHD Internship - Engineering
Closing in 6 days
InternshipsSydney (Australia)
Engineering

At Citadel Securities, a leading global market maker, our team of quantitative researchers models the markets and brings trading strategies to life every day. Specifically, this team develops and tests automated quant trading strategies using sophisticated statistical techniques....

2025-2026 Quantitative Research PHD Internship - Data Science and Analytics
Closing in 6 days
InternshipsSydney (Australia)
Data Science and Analytics

At Citadel Securities, a leading global market maker, our team of quantitative researchers models the markets and brings trading strategies to life every day. Specifically, this team develops and tests automated quant trading strategies using sophisticated statistical techniques....

2025-2026 FPGA Engineer Internship - Engineering
Closing in 6 days
InternshipsSydney (Australia)
Engineering

At Citadel Securities, a leading global market maker, our team of FPGA Engineers work in small teams to create the next generation FPGA solutions to support ultra-low latency trading systems across the firm....

2025-2026 FPGA Engineer Internship - Software Engineering
Closing in 6 days
InternshipsSydney (Australia)
Engineering - Software

At Citadel Securities, a leading global market maker, our team of FPGA Engineers work in small teams to create the next generation FPGA solutions to support ultra-low latency trading systems across the firm....

2025-2026 FPGA Engineer Internship - Computer Science
Closing in 6 days
InternshipsSydney (Australia)
Computer Science

At Citadel Securities, a leading global market maker, our team of FPGA Engineers work in small teams to create the next generation FPGA solutions to support ultra-low latency trading systems across the firm....

2025-2026 Fundamental Analyst Internship - Science
Closing in 6 days
InternshipsSydney (Australia)
Science

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....

2025-2026 Fundamental Analyst Internship - Mathematics
Closing in 6 days
InternshipsSydney (Australia)
Mathematics

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....

2025-2026 Fundamental Analyst Internship - Data Science and Analytics
Closing in 6 days
InternshipsSydney (Australia)
Data Science and Analytics

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....

2026 Quantitative Trading Full Time - Science
Closing in 6 days
Graduate JobsSydney (Australia)
Science

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 across Options, ETFs, Equities, Fixed Income, Commodities and Currencies....

2026 Fundamental Analyst Full Time - Data Science and Analytics
Closing in 6 days
InternshipsSydney (Australia)
Data Science and Analytics

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....

2026 Quantitative Trading Full Time - Statistics
Closing in 6 days
Graduate JobsSydney (Australia)
Statistics

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 across Options, ETFs, Equities, Fixed Income, Commodities and Currencies....

2026 Quantitative Trading Full Time - Physics
Closing in 6 days
Graduate JobsSydney (Australia)
Physics

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 across Options, ETFs, Equities, Fixed Income, Commodities and Currencies....

2026 Quantitative Trading Full Time - Mathematics
Closing in 6 days
Graduate JobsSydney (Australia)
Mathematics

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 across Options, ETFs, Equities, Fixed Income, Commodities and Currencies....

2026 Quantitative Trading Full Time - Engineering
Closing in 6 days
Graduate JobsSydney (Australia)
Engineering

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 across Options, ETFs, Equities, Fixed Income, Commodities and Currencies....

2026 Quantitative Trading Full Time - Data Science and Analytics
Closing in 6 days
Graduate JobsSydney (Australia)
Data Science and Analytics

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 across Options, ETFs, Equities, Fixed Income, Commodities and Currencies....

2026 Fundamental Analyst Full Time - Science
Closing in 6 days
InternshipsSydney (Australia)
Science

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....

2026 Fundamental Analyst Full Time - Mathematics
Closing in 6 days
InternshipsSydney (Australia)
Mathematics

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....