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Susquehanna International Group

Global quantitative trading, liquidity provision, research

Senior Linux Platform Development Engineer

Platform EngineeringPosted on Nov 5
Full-timeDublin, IrelandNo salary listedIn-person

About the Job

Requirements

  • Strong expertise in Linux engineering, including troubleshooting across kernel, networking, storage, virtualization, and complex production environments.
  • Proven experience in Python development and software engineering, building automation frameworks, APIs, platform services, engineering tooling, or infrastructure platforms used by other engineers.
  • Deep hands-on experience in OpenStack platform development and engineering, including contributing to platform architecture, engineering standards, and technical direction within large-scale or globally distributed environments.
  • Extensive experience in Kubernetes platform engineering, including designing, building, operating, and extending production Kubernetes platforms through automation, operators, controllers, integrations, and platform services.
  • Strong experience designing and operating large-scale distributed systems and custom-built infrastructure platforms within globally distributed engineering organisations.
  • Strong platform engineering and distributed systems mindset.
  • Excellent troubleshooting, systems thinking, and problem-solving skills.
  • Ability to influence technical direction while balancing strategic thinking with hands-on engineering execution.

Responsibilities

  • Design, build, and maintain internally developed platform services, APIs, automation frameworks, engineering tooling, and self-service platforms.
  • Develop software and platform capabilities primarily using Python, building scalable infrastructure services and distributed systems.
  • Design, develop, and evolve SIG’s global OpenStack and Kubernetes platforms, including platform services, integrations, operators, controllers, and automation frameworks.
  • Create and maintain CI/CD, GitOps, Infrastructure-as-Code, observability, and automation solutions supporting platform delivery and operations.
  • Troubleshoot complex issues across Linux, OpenStack, Kubernetes, networking, storage, virtualization, and distributed systems.
  • Contribute to platform architecture, engineering standards, and technical direction through architecture reviews, design discussions, and technical governance initiatives.

Desired Qualifications

  • Experience building internal developer platforms, shared infrastructure services, self-service systems, or engineering productivity tooling.
  • Experience designing and operating large-scale distributed infrastructure, including multi-region architectures, hybrid cloud environments, or distributed storage platforms.
  • Contribution to open-source projects or experience leveraging AI-assisted development tools to accelerate platform engineering, automation, and software delivery.

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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