IT & Software

Senior Infrastructure Engineer – Trading Technology

Quant Capital

London · Greater London · United Kingdom

Overview

In this senior leadership role, you own the infrastructure strategy and delivery for a low-latency trading platform across cloud, on-prem, and hybrid environments. You will drive a major AWS migration, build greenfield trading and research environments, and modernise legacy systems to support scale and reliability. You’ll lead a senior infra/DevOps function with autonomy, collaborating with engineering, trading, and risk teams to shape the long-term engineering roadmap. Your work directly impacts platform performance, security, and global availability in a fast-paced market-making business.

Responsibilities
  • Own infrastructure architecture across cloud, on-prem and hybrid platforms
  • Lead end-to-end AWS migration and modernisation strategy
  • Build greenfield environments for trading and research workloads
  • Design and operate highly available, low-latency global infrastructure
  • Take ownership of Microsoft services, Active Directory and core networking
  • Engineer secure connectivity across firewalls, routing and multi-site links
  • Drive network security, segmentation and access control strategy
  • Lead and grow a high-performing infrastructure/DevOps team
  • Partner closely with engineering, trading and risk functions
  • Automate provisioning and deployment with IaC (CloudFormation/Terraform/Ansible)
  • Scale monitoring, cost optimisation and system reliability in production
Key requirements
  • 7+ years in infrastructure within trading, market-making or high-performance engineering environments
  • Leadership skills
  • Strong AWS architecture and hybrid (cloud + on-prem) experience
  • Deep networking background: routing, switching, low-latency connectivity
  • Strong understanding of reliability engineering and autoscaling systems
  • Prior experience building and scaling teams in high-performing environments
  • Confident interacting with technical and trading leadership
  • leadership
  • cross-functional collaboration
  • communication with technical and trading leadership
  • AWS (VPC, IAM, S3, ECS/EKS, Direct Connect, Transit Gateway, CloudFormation)
  • Networking: BGP, OSPF, MPLS, VLANs, VPNs, SD-WAN
  • Firewalls and network security (Cisco ASA, Fortinet or similar)

Reference: WJ-747_30137459

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