Jobs at Citadel

Support EMEA People Operations across onboarding, mobility, payroll inputs, benefits, employee records, lifecycle changes, and offboarding. Handle HR queries, maintain accurate systems and documentation, coordinate with internal teams and vendors, support regulatory requirements, produce risk reports, assist audits, and improve processes. The role requires strong HR operations experience, data accuracy, confidentiality, and knowledge of international employee support, preferably within financial services.

Develop, test, and deploy software solutions for automated trading systems in partnership with Quantitative Researchers. Implement high-performance, scalable systems using advanced quantitative techniques, distributed computing, ML/NLP, and strong software engineering practices. Collaborate on priorities, deliver custom solutions, and engage with senior team members during an 11-week internship.

Support investment teams by acquiring, cleaning, and analyzing multi-source data to test investment theses, identify inflection points, and present research. Learn fundamental investor approaches, build decision-support tools, and communicate findings clearly to Sector Data Analysts and investment teams.

Serve as a senior HR advisor to EMEA Fixed Income and Macro leaders. Lead workforce planning, organizational design, succession planning, talent assessment, performance management, compensation and promotion decisions. Use workforce data to provide insights, guide organizational priorities, and measure talent initiatives. Partner with the Head of People and global People teams, coach leaders and junior HR staff, and drive cross-business talent initiatives across multiple EMEA markets.

The Quantitative Research Analyst Intern will develop models, implement trading strategies, and conduct statistical analysis during an 11-week program.

11-week internship building high-performance research platforms and trading tools. Work in small teams on distributed systems, NLP/ML applications, and web frameworks while collaborating with senior engineers.

Build high-performance tools and large-data research platforms to enable trading strategies. Work in small engineering teams to design systems, develop platforms and web frameworks, and apply techniques such as distributed computing, NLP, and machine learning to solve complex problems.

As a Quantitative Researcher intern at Citadel, you'll develop models, implement trading strategies, and conduct statistical research in finance.

Leads EMEA People Operations across onboarding, mobility, payroll inputs, benefits, employee records, lifecycle changes and offboarding. Oversees regulatory compliance, HR data integrity, KRI reporting, audits, vendor performance and continuous process improvement across multiple international locations. Partners with HR, recruiting, compensation, benefits, legal, compliance, finance, IT and external providers while managing sensitive employee matters and complex operational escalations.

Oversee the administration, governance, compliance, and development of employee benefits programs across EMEA. Manage pensions, healthcare, risk, perks, vendors, renewals, provider transitions, and new-market implementations. Partner with Payroll, Legal, Operations, HR, and Communications teams; translate regulations and market data into actionable programs; improve processes; and resolve complex benefits inquiries.

Support trade lifecycle activities including clearance, settlement, and cash management. Collaborate with trading/financing desks, counterparties, and custodians. Identify and implement process and technology improvements, perform data analysis (Excel), and learn securities financing and prime brokerage workflows.

Intern will learn financial markets, collaborate with traders, researchers, and technologists, apply statistical techniques to develop trading ideas, adapt strategies, and use proprietary trading platforms while networking with senior team members.

As a Software Engineer at Citadel, you will build systems for investments, collaborate with researchers, and tackle complex problems.

SREs at Citadel focus on optimizing and maintaining system reliability, performance, and automation for investment applications, collaborating closely with teams.

Quantitative Researchers at Citadel use advanced statistical techniques to develop models and trading strategies, backtesting them in live environments.