Job Specifications
Lead Infrastructure Engineer – Hands-on, Trading Technology
London – Hybrid
up tp £150,000 + Bonus
Quant Capital is working with a global market-making firm looking for a Lead Infrastructure Engineer to lead the buildout and evolution of its trading platform across cloud and on-prem environments. This is a senior technical leadership role with full ownership of infrastructure strategy, delivery, and scale across low-latency trading systems.
This hire will drive a major AWS migration, build greenfield environments, modernise legacy systems, and shape the long-term engineering roadmap. You’ll lead a small but senior infrastructure function with real autonomy and impact.
The Role
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
Background
3+ years in infrastructure leadership within trading, market-making or high-performance engineering environments
8+ years of experience
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
Core Skills
AWS (VPC, IAM, S3, ECS/EKS, Direct Connect, Transit Gateway, CloudFormation)
Windows Server
Active Directory
Networking: BGP, OSPF, MPLS, VLANs, VPNs, SD-WAN
Firewalls and network security (Cisco ASA, Fortinet or similar)
Linux and Windows systems engineering
Microsoft services and identity (AD/Entra ID)
CI/CD (GitLab CI or similar)
IaC and automation (CloudFormation, Ansible, Terraform)
Monitoring/Observability (CloudWatch, Prometheus, Grafana)
Scripting (Python, Bash)
This is a fantastic opportunity for a Senior Infrastructure Engineer with some light management and leadership skills to step into a Head role for a growing but small team and within a fast-paced market making business.
About the Company
Executive Search and Recruitment to the Quantitative Trading and Financial Technology space.
We provide a discrete search capability for the best known and most prestigious Hedge Funds & Prop Trading firms in the world.
Our specialized experience, market knowledge, extensive network, and commitment to client service ensure that every search is conducted effectively.
Quant Capital has been the Recruitment Partner to the Fintech50 for many years.
Our goal is to be recognised as a partner to the most interesting trading and...
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