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Susquehanna International Group

Global quantitative trading, liquidity provision, research

Global Production Support Engineer

IT OperationsConfirmed live in the last 24 hours
Full-timeDublin, IrelandNo salary listed

About the Job

Requirements

  • At least two years of experience in production engineering, site reliability engineering, application support, software development, or another role supporting business-critical systems.
  • Strong analytical and troubleshooting skills, including investigating issues through logs and system behaviour.
  • Ability to explain technical concepts clearly to technical and non-technical stakeholders.
  • Ability to read Python code and write maintainable automation in Python, PowerShell, Bash, or a comparable language.
  • Experience using source control and standard software-engineering practices such as testing, peer review, and controlled releases.
  • Hands-on experience with Linux or Windows; the role supports trading applications across both environments.
  • Understanding of distributed systems and networking fundamentals, including TCP/IP, DNS, service dependencies, messaging patterns, and common failure modes.
  • Working knowledge of SQL and database concepts and fundamentals.
  • Exposure to logging, metrics, monitoring, and alerting platforms such as ELK stack, Checkmk, Nagios, or Splunk.
  • Willingness to work shifts, take on-call responsibilities, and travel to the US, including an extended period during initial onboarding.

Responsibilities

  • Provide first-line engineering support for live trading environments, initially focusing on US overnight and pre-market operations.
  • Prepare platforms for the trading day through readiness checks covering application health, critical data, scheduled workflows, configuration, and external connectivity.
  • Diagnose incidents across application, operating-system, network, and database layers using logs, metrics, traces, and code.
  • Assess trading impact and resolve or safely mitigate issues within agreed permissions, working with developers and infrastructure specialists on underlying problems.
  • Build and maintain automation, monitoring, and operational tools that improve reliability and reduce manual work.
  • Deliver planned improvement projects and contribute to configuration, capacity, and resilience improvements alongside infrastructure teams.
  • Configure, deploy, and operate proprietary trading applications using controlled release, verification, and rollback procedures.
  • Strengthen deployment and recovery practices as the environment evolves.
  • Help shape the global follow-the-sun operating model and standardise practices across regions.
  • Manage escalations and regional handoffs, keeping trading and technical teams informed of business impact, current status, and next steps.
  • Analyse incidents and recurring issues, identify underlying causes and trends, and drive corrective actions through to completion with relevant teams.
  • Equip teams with clear operational guidance, runbooks, and recovery procedures.
  • Capture lessons from incidents and share knowledge across the Americas, Europe, and Asia-Pacific.
  • Work alongside the support team in the United States during an extended onboarding period and travel to the US on an ongoing basis, typically two or more weeks per year.

About the Company

Susquehanna International Group

Global quantitative trading, liquidity provision, research

Susquehanna International Group (SIG) is a global quantitative trading firm that provides liquidity in equities, fixed income, commodities, and derivatives for institutional clients. Its core approach combines cutting-edge technology with quantitative research to build algorithms and models that identify trading opportunities and manage risk, enabling efficient, profitable trading. SIG differentiates itself through its deep emphasis on data-driven decision making, advanced technology, broad asset class coverage, and a strong global presence with offices in North America and regulated international locations. The company aims to generate trading profits by executing well-priced trades while supporting the careers of professionals in trading, technology, and quantitative research, all within a privacy-conscious framework.

Company size
1,001-5,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Lower Merion Township, Pennsylvania
Founded
1987

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