Senior Linux Engineer

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Job Description

Citadel is searching for a Linux Systems Engineer to join the team responsible for Linux systems deployment, performance management, automation, tooling, and visibility.
Responsibilities:
  • Ensure the reliability, availability, and performance of Linux compute infrastructure and applications
  • Ensure required performance through hardware and OS tuning
  • Develop tooling to automate tasks and implement/scale/test infrastructure services
  • Build and maintain systems following infrastructure-as-code principles
  • Troubleshoot Linux compute platform issues
Required Qualifications:
  • 4+ years of experience with architecture, implementation and operation of a Linux-based compute environment
  • Expert knowledge of Linux Environments (RHEL, Centos, Ubuntu)
  • Deep experience in performing system performance analysis and tuning
  • Strong development experience in Python
  • Experience developing APIs
  • Experience in use of virtualization/VMWare in the support of systems infrastructure
Preferred Qualifications
  • Ability to manage and implement large scale infrastructure projects
  • Experience with infrastructure provisioning/management tools (e.g. Ansible, Puppet, Terraform, Packer)
  • Experience / knowledge in networking 
  • Experience with server hardware, especially HP, Dell, and UCS
About Citadel
Citadel is a global investment firm built around world-class talent, sound risk management, and innovative leading-edge technology. For a quarter of a century, Citadel’s hedge funds have delivered meaningful and measurable results to top-tier investors around the world, including sovereign wealth funds, public institutions, corporate pensions, endowments and foundations.
With an unparalleled ability to identify and execute on great ideas, Citadel’s team of more than 675 investment professionals, operating from offices including Chicago, New York, San Francisco, London, Hong Kong and Shanghai, deploy capital across all major asset classes, in all major financial markets.
Opportunities in Chicago and New York.

About Citadel

Citadel is a global investment firm built around world-class talent, sound risk management, and innovative leading-edge technology. For a quarter of a century, Citadel’s hedge funds have delivered meaningful and measurable results to top-tier investors around the world, including sovereign wealth funds, public institutions, corporate pensions, endowments and foundations.

With an unparalleled ability to identify and execute on great ideas, Citadel’s team of more than 675 investment professionals, operating from offices including Chicago, New York,  San Francisco, London, Hong Kong and Shanghai, deploy capital across all major asset classes, in all major financial markets.