IT & Software

Linux Infrastructure Engineer Fintech / Trading

Quant Capital

London · Greater London · United Kingdom

Overview

In this role you will own and maintain the Linux-based trading infrastructure, focusing on reliability and performance for global markets. You will work with cross-functional teams to mitigate risks, manage incidents, and drive automation and resilience. The position sits in a fast-paced fintech environment delivering market-leading trading and execution capabilities. You will be part of a progressive company that values proactive problem-solving, continuous improvement, and operational excellence.

Pay / Benefits
  • excellent salary
  • benefits package
  • ongoing training
  • structured career path
  • London-based, 4 days in office
  • travel opportunities
Responsibilities
  • Own, maintain and support trading system components
  • Identify and mitigate risks to service delivery; resolve issues proactively
  • Lead incident and problem management with root-cause analysis
  • Coordinate parties during client-facing outages and escalate complex issues
  • Conduct resiliency testing and ensure application redundancy and failover
  • Real-time system monitoring across diverse tools
  • Capacity planning and assessment
  • Application maintenance including change, release management, patches
  • Define and lead projects to improve ops efficiency and automation
  • Maintain runbooks and key operational documentation
Key requirements
  • 5+ years as a System Administrator (Redhat & Ubuntu)
  • Solid understanding of volume management and RAID
  • Storage experience (Pure/NetApp/EMC) is a plus
  • Knowledge of cloud services (Google and/or AWS)
  • Experience with multi-vendor cloud management tools is a plus
  • Scripting/Programming skills in any language
  • Experience with host management frameworks (Ansible or Puppet) is a plus
  • Experience with vulnerability scanning reports and patch deployment
  • Experience with PAM (Privileged Access Management) tools
  • Knowledge of Git
  • Coordination and stakeholder management during outages
  • Strong incident management and problem-solving mindset
  • Documentation and runbook maintenance
  • Redhat and Ubuntu system administration
  • Storage systems (Pure, NetApp, EMC)
  • Cloud platforms: Google Cloud, AWS

Reference: WJ-747_30163933

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