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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Head of Infrastructure - Market making - **Company:** Quant Capital - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Amazon Web Services, Amazon S3, Bash Shell, Border Gateway Protocol, Cisco PIX, Continuous Integration, Linux, DevOps, Identity and Access Management, Virtual Private Networks (VPN), Multi-protocol Systems, Python (Programming Language), Network Security, Routing, Open Shortest Path First (OSPF), Reliability Engineering, Ansible, Prometheus, SAP Sales and Distribution, Virtual Local Area Networks, Scripting, Grafana, Reliability of Systems, Firewalls (Computer Science), Amazon Virtual Private Cloud (VPC), Cloudformation, Gitlab-ci, Fortinet, Cloudwatch, Terraform, Legacy Systems - **Published:** August 19, 2026 - **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=2933642092-2 ## About the Role Head of Infrastructure - Trading TechnologyLondon - HybridCompetitive + BonusQuant Capital is working with a global market-making firm looking for a Head of 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 RoleOwn infrastructure architecture across cloud, on-prem and hybrid platformsLead end-to-end AWS migration and modernisation strategyBuild greenfield environments for trading and research workloadsDesign and operate highly available, low-latency global infrastructureTake ownership of Microsoft services, Active Directory and core networkingEngineer secure connectivity across firewalls, routing and multi-site linksDrive network security, segmentation and access control strategyLead and grow a high-performing infrastructure/DevOps teamPartner closely with engineering, trading and risk functionsAutomate provisioning and deployment with IaC (CloudFormation/Terraform/Ansible)Scale monitoring, cost optimisation and system reliability in productionBackground7+ years in infrastructure leadership within trading, market-making or high-performance engineering environmentsStrong AWS architecture and hybrid (cloud + on-prem) experienceDeep networking background: routing, switching, low-latency connectivityStrong understanding of reliability engineering and autoscaling systemsPrior experience building and scaling teams in high-performing environmentsConfident interacting with technical and trading leadershipCore SkillsAWS (VPC, IAM, S3, ECS/EKS, Direct Connect, Transit Gateway, CloudFormation)Networking: BGP, OSPF, MPLS, VLANs, VPNs, SD-WANFirewalls and network security (Cisco ASA, Fortinet or similar)Linux and Windows systems engineeringMicrosoft 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 ## Related Videos - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Dev & Test in the Cloud? 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