Quantitative Trading Internship: Summer 2027

Overview Susquehanna’s 10-week quantitative trading internship offers a rare insight into working at one of the world’s leading quantitative trading firms. Designed for intellectually curious and driven individuals with strong quantitative skillsets, our internship combines rigorous classroom-based education with real-world trading experience. Run by a team of dedicated senior traders, our education programme is widely recognised as being the best in the industry.

Our classroom-based education covers topics such as ETF and options trading, game theory, and programming. Don’t worry if you don’t have a finance background – we will teach you everything you need to succeed. A core strength of our internship is that we combine our education with hands-on project work and trading simulations. Working alongside a dedicated mentor, you will have the opportunity to work on a real-world trading problem, which has the potential to impact our trading strategies, improve tools, or uncover new market insights.

What we’re looking for

• Problem solver: You enjoy solving puzzles and love it when you discover solutions to complex problems.
• Clear communicator: You enjoy building relationships with those you work closely with and are comfortable sharing ideas, expressing your thoughts, and listening to the views of others.
• Ambitious: You’re someone that enjoys setting personal goals and giving your all to achieve them.
• Be it in Arts, Sports, Academics, or another passion, you’re not afraid to put in the effort to reach your full potential.
• Penultimate-year or recently graduated student: You should have completed 3 years at university by June 2027.
• Successful interns will be invited to join our full-time graduate programme in either September 2027, January 2028 or August 2028, depending on availability.
• What’s in it for you: Education: You will attend classes covering a vast range of topics (Finance, Options, Mock Trading, Game Theory, Tech, Trader Talks, Poker, Speaker Seminars, In-house trading games… the list goes on!) from some of the most experienced employees at Susquehanna.
• Collaboration: You will get to work with a wide range of people in the classroom and through your project work; people who share a passion for mathematics, problem-solving, game theory, and technology.
• Decision-making: Game theory is central to Susquehanna’s history as a firm and our trading philosophy.
• Weekly poker classes, strategy board games, and proprietary trading games will challenge you to optimise outcomes, anticipate moves, and maximise your winnings.
• Culture: Our non-hierarchical, casual, and collaborative culture allows employees of every level to thrive.
• Perks: We offer a highly competitive compensation package to our interns.
• Located in Ireland’s Financial Services Centre, in the heart of Dublin’s city centre, our office features free onsite catering, a games room, and a fully equipped in-house gym.
• Throughout the summer, interns enjoy weekly social events.
• For those joining us from outside Dublin, we also provide accommodation for the duration of the internship.
• About Susquehanna Susquehanna is a global quantitative trading firm powered by scientific rigor, curiosity, and innovation.
• Our culture is intellectually driven and highly collaborative, bringing together researchers, engineers, and traders to design and deploy impactful strategies in our systematic trading environment.
• To meet the unique challenges of global markets, Susquehanna applies machine learning and advanced quantitative research to vast datasets in order to uncover actionable insights and build effective strategies.
• By uniting deep market expertise with cutting-edge technology, we excel in solving complex problems and pushing boundaries together.
• Applicants must be legally eligible to work in Ireland Our Summer Internship is 10 weeks and runs from late June to late August.
• Applicants must be legally eligible to work in Ireland. **We hire for our quantitative trading internship on a rolling basis, therefore interested candidates are strongly encouraged to apply early. * Susquehanna is an equal opportunity employer, and we are committed to diversity and inclusion throughout our recruitment process.
• If you need assistance and/or a reasonable accommodation due to a disability during the application or recruitment process, please contact us.
• If you're a recruiting agency and want to partner with us, please reach out to recruiting@sig.com.
• Any resume or referral submitted in the absence of a signed agreement will not be eligible for an agency fee.