IT & Software

Systems Engineer

Tower Research Capital

London · Greater London · United Kingdom

Overview

In this role you will maintain and enhance Tower’s Linux-based trading infrastructure, ensuring high availability and low-latency performance in on-prem, hosted data centers and public clouds. You’ll work with cross-functional teams to automate provisioning and monitoring, optimize cloud deployments, and support 24/7 trading operations. This is a hands-on position at a global, innovative firm where engineering excellence powers a world-class trading platform.

Pay / Benefits
  • Generous paid time off
  • Hybrid working opportunities
  • Free breakfast, lunch, and snacks daily
  • Wellness reimbursements
  • Volunteer opportunities and charitable giving
  • Continuous learning opportunities
Responsibilities
  • Maintain, support and enhance the firm's trading Linux infrastructure
  • Provide day-to-day Linux environment support including incident response and performance troubleshooting
  • Develop and refine automation tooling for provisioning, configuration, and monitoring of thousands of Linux servers
  • Manage core services (DHCP, LDAP, DNS, NFS) across on‑prem, hosted data centers and public clouds
  • Review and design trading system deployments in the Cloud with Cloud Architecture team
  • Improve performance, resilience, availability, and observability of Cloud environments
  • Contribute to complex brownfield Cloud environments hosting 24/7 trading infrastructure optimized for low latency and real-time processing
  • Participate in rotational on-call schedule including mornings and weekends
Key requirements
  • 5+ years of experience in maintenance, operation, and administration of advanced Linux environments
  • Strong knowledge of Linux internals and OS principles
  • Competence in server-side networking and protocols
  • Experience developing automation and monitoring tools
  • Proficiency with configuration management and provisioning/orchestration tools (Ansible)
  • Strong Python knowledge and expert Bash scripting for Linux automation
  • Understanding of Linux config management, source control, CI/CD, and automated deployment
  • Experience improving infrastructure automation for Cloud platforms in fast-paced trading environments
  • Strong problem-solving, communication and collaboration skills
  • Comfort using AI in day-to-day activities
  • Strong expertise in AWS compute, networking and storage services (EC2, ENA, VPC, ELB, Direct Connect, S3, EBS) in low-latency contexts
  • Open to working in high-pressure, 24/7 trading environments
  • strong communication
  • methodical problem solving
  • ownership and responsibility
  • Linux administration and internals
  • Server-side networking
  • Automation and monitoring tooling

Reference: WJ-747_30161155

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