Senior Infrastructure Engineer – Trading Technology
London – Hybrid
£120,000-180,000 total comp
Quant Capital is working with a global market-making firm looking for a senior infrastructure 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
- 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
Core Skills
- 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)
- 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.
Vacancy posted more than 2 months ago
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