Susquehanna International Group (SIG) is one of the largest securities trading organizations in the world, with over 2500 professionals devoted to institutional sales, trading, research, and information technology. We are looking for a Trading Application Support Engineer.

Formed in 1987 with a staff of 25, SIG has evolved into a global organization active in the markets of over 20 countries on 5 continents. We currently have offices in Philadelphia, Bala Cynwyd, New York, Boston, Chicago, San Francisco, Sydney, Beijing, Hong Kong, Shanghai and Dublin.

In 1999, SIG opened its European headquarters in Dublin, where it currently employs more than 500 staff in trading, quantitative research, technology, operations, compliance, legal and accounting.

Our technology engineers are employed in building, maintaining and supporting real time, trading systems that are fundamental to our success and competitiveness in the current trading environment. SIG’s continued success will – in large part – be based on the capabilities provided to our traders by the growing Technology and Quantitative Research Teams.

Application Support Engineer

As Trading Application Support Engineer you will join the existing ultra-low latency support team and provide technical and administrative support for all trading, operational and support systems within the team.

This is a demanding and highly technical role which requires you to display strong technical systems and application knowledge in making critical support decisions while working under pressure.

The role will also require you to manage complex project work for new or existing support systems, monitoring systems, support tools and/or deployment of new software trading systems.


  • You will be a contact point and collaborate with other infrastructure and software teams, ensuring scalability, run-time environment and stability in existing environment.
  • Remote Management and monitoring of server hosts in multiple colocations across Europe.
  • Maintain and manage batch scheduling environment and monitoring systems.
  • Managing and prioritising requests internal IT support functions
  • Diagnose issues and troubleshoot existing application configuration.
  • Set up and maintain tools that monitor for alerts as well as and test new system changes.
  • Continuous evaluation, improvement and deployment of new application versions
  • Manage project work – hardware refreshes, environment optimisation, software configurations.

What we are looking for

  • Knowledge and/or a desire to develop of networked Application Systems to include exposure to database environment, Windows (2012, 2019).
    Excellent IT analytical/troubleshooting skills to include extensive experience tracing problems through analysing log files, following application/systems logic (e.g. routing paths)
  • Experience of or working with and supporting a batch scheduling system an advantage
  • Experience of working with application monitoring and analytical tools we work with Splunk, Check_mk etc.
  • B.S. in a technical discipline or equivalent experience.

Personal Skills

• Initiative – proven record of seeking continuous improvement and implementing best practice in technology environment
• Ability to work under pressure and tight deadlines
• Self-motivated and creative
• Strong communication (verbal and written) – ability to convey technically complex subjects in a clear and concise manner
• Attention to detail – thorough in work carried out
• Interpersonal – friendly and approachable
• Teamwork – working together to meet deadlines
• Excellent time management, organization and prioritization skills
• Flexibility – all members of the team participate in early morning and out of hours support schedules
• Desire to learn and improve skills and knowledge.

Apply Now: