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Trading Systems Performance Engineer

Susquehanna International Group Dublin, Ireland
Posted 17 hours ago In-Office Permanent DOE
Posted by
Shannen Hayden

SIG is a sophisticated and influential trading firm, active on the world’s major securities and derivatives exchanges. Our European headquarters is based in Dublin, where we employ over 650 people in Trading, Quantitative Research & Technology across a range of trading strategies, including Exchange Traded Funds, Commodities, Options, Fixed Income, Equity Derivatives and Convertible Bonds.

Technology at SIG Technology is at the forefront of our operation. Requiring leading edge and innovative use of technology, SIG is a leading force in applying technology to trading. At SIG, our technologists enjoy working on highly complex in-house hardware and software running on the latest platforms available, solving a myriad of challenges to further our growth. Our developers and engineers work together to build solutions using the newest and fastest technology available. We work in a complex, distributed environment where we continually strive to improve systems capacity, increase speed, ensure stability, and mitigate risk in every system. With a flat structure and a collaborative environment, our people continue to grow and learn throughout their careers as ever shifting market demands change the nature of our environment

What you will do:

  • Work with the very latest innovative and cutting edge technologies used in financial trading. Recreate complex low latency trading topologies and scenarios in our dedicated lab environment.
  • Provide critical thinking to challenging problems and work as part of a team to help solve them.
  • Work with stakeholders to identify and formulate lab testing scenarios.
  • Use the dedicated lab and tools you develop to explore and test innovative trading scenarios to prove/disprove hypothesis.
  • Identify, recommend, implement, and drive optimizations in the production trading environment from the results of the testing.
  • In depth analysis of production trading and lab network data, from many sources and formats.
  • Become an expert on all aspects of the low latency trading environment.
  • Drive test automation efforts.
  • Work with external vendors and companies on new products, features and technologies to keep SIG at the forefront of Ultra Low Latency Trading

Key qualities or skills you will have:

  • Meticulous attention to detail.
  • Highly motivated, articulate and deeply curious about all aspects of technologies used in a trading environment.
  • Excellent software development, testing, trouble shooting and analysis skills using C/C++ and C#.
  • Extensive knowledge of computer internals, operating systems and networking.
  • Data analysis experience in Python using Jupyter Notebooks.
  • Python and Powershell scripting experience.

Great if you also have:

  • Experience in a low latency trading environment.
  • Practical knowledge of the following network protocols BGP, IGMP, PIM, Ethernet, IP, UDP, TCP, LLDP etc
  • Experience using FPGA's and technologies used in a Low latency networking environment. (Solarflare, Kernel bypass, etc)
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