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 …/Terraform/Ansible) Scale monitoring, cost optimisation and system reliability in production Background 7+ years in infrastructure leadership within trading, market-making or high-performance engineering environments 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 More ❯
london (city of london), south east england, united kingdom
Quant Capital
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 …/Terraform/Ansible) Scale monitoring, cost optimisation and system reliability in production Background 7+ years in infrastructure leadership within trading, market-making or high-performance engineering environments 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 More ❯
leading trading firm is seeking an experienced Head of Infrastructure to lead and scale its UK and global trading infrastructure. This senior leadership role will drive the firm’s AWS migration from on-premise systems, build greenfield environments, integrate them with existing platforms, and oversee both cloud and on-prem IT operations. Key Responsibilities Lead the design, implementation, and … management of cloud infrastructure Oversee AWS migration from on-premise infrastructure, ensuring scalability, security, and high availability Build out greenfield infrastructure environments and plan seamless integration with existing systems Own the full IT infrastructure stack, including Active Directory, Microsoft services, networking, and on-prem systems Configure and maintain firewalls, routers, and switches to ensure security, reliability, and optimal performance … of experience in infrastructure, cloud architecture, or DevOps within high-performance trading or capital markets environments Proven experience building and leading infrastructure or DevOps teams Hands-on expertise in AWS architecture, migration, and hybrid (cloud + on-prem) environments Deep technical background in network design, routing, switching, and firewall configuration Strong understanding of network latency, throughput, and optimisation for More ❯
leading trading firm is seeking an experienced Head of Infrastructure to lead and scale its UK and global trading infrastructure. This senior leadership role will drive the firm’s AWS migration from on-premise systems, build greenfield environments, integrate them with existing platforms, and oversee both cloud and on-prem IT operations. Key Responsibilities Lead the design, implementation, and … management of cloud infrastructure Oversee AWS migration from on-premise infrastructure, ensuring scalability, security, and high availability Build out greenfield infrastructure environments and plan seamless integration with existing systems Own the full IT infrastructure stack, including Active Directory, Microsoft services, networking, and on-prem systems Configure and maintain firewalls, routers, and switches to ensure security, reliability, and optimal performance … of experience in infrastructure, cloud architecture, or DevOps within high-performance trading or capital markets environments Proven experience building and leading infrastructure or DevOps teams Hands-on expertise in AWS architecture, migration, and hybrid (cloud + on-prem) environments Deep technical background in network design, routing, switching, and firewall configuration Strong understanding of network latency, throughput, and optimisation for More ❯
leading trading firm is seeking an experienced Head of Infrastructure to lead and scale its UK and global trading infrastructure. This senior leadership role will drive the firm’s AWS migration from on-premise systems, build greenfield environments, integrate them with existing platforms, and oversee both cloud and on-prem IT operations. Key Responsibilities Lead the design, implementation, and … management of cloud infrastructure Oversee AWS migration from on-premise infrastructure, ensuring scalability, security, and high availability Build out greenfield infrastructure environments and plan seamless integration with existing systems Own the full IT infrastructure stack, including Active Directory, Microsoft services, networking, and on-prem systems Configure and maintain firewalls, routers, and switches to ensure security, reliability, and optimal performance … of experience in infrastructure, cloud architecture, or DevOps within high-performance trading or capital markets environments Proven experience building and leading infrastructure or DevOps teams Hands-on expertise in AWS architecture, migration, and hybrid (cloud + on-prem) environments Deep technical background in network design, routing, switching, and firewall configuration Strong understanding of network latency, throughput, and optimisation for More ❯
london (city of london), south east england, united kingdom
dnevo Partners
leading trading firm is seeking an experienced Head of Infrastructure to lead and scale its UK and global trading infrastructure. This senior leadership role will drive the firm’s AWS migration from on-premise systems, build greenfield environments, integrate them with existing platforms, and oversee both cloud and on-prem IT operations. Key Responsibilities Lead the design, implementation, and … management of cloud infrastructure Oversee AWS migration from on-premise infrastructure, ensuring scalability, security, and high availability Build out greenfield infrastructure environments and plan seamless integration with existing systems Own the full IT infrastructure stack, including Active Directory, Microsoft services, networking, and on-prem systems Configure and maintain firewalls, routers, and switches to ensure security, reliability, and optimal performance … of experience in infrastructure, cloud architecture, or DevOps within high-performance trading or capital markets environments Proven experience building and leading infrastructure or DevOps teams Hands-on expertise in AWS architecture, migration, and hybrid (cloud + on-prem) environments Deep technical background in network design, routing, switching, and firewall configuration Strong understanding of network latency, throughput, and optimisation for More ❯
leading trading firm is seeking an experienced Head of Infrastructure to lead and scale its UK and global trading infrastructure. This senior leadership role will drive the firm’s AWS migration from on-premise systems, build greenfield environments, integrate them with existing platforms, and oversee both cloud and on-prem IT operations. Key Responsibilities Lead the design, implementation, and … management of cloud infrastructure Oversee AWS migration from on-premise infrastructure, ensuring scalability, security, and high availability Build out greenfield infrastructure environments and plan seamless integration with existing systems Own the full IT infrastructure stack, including Active Directory, Microsoft services, networking, and on-prem systems Configure and maintain firewalls, routers, and switches to ensure security, reliability, and optimal performance … of experience in infrastructure, cloud architecture, or DevOps within high-performance trading or capital markets environments Proven experience building and leading infrastructure or DevOps teams Hands-on expertise in AWS architecture, migration, and hybrid (cloud + on-prem) environments Deep technical background in network design, routing, switching, and firewall configuration Strong understanding of network latency, throughput, and optimisation for More ❯
firm looking for a Head of Infrastructure to lead the buildout and evolution of its trading platform across cloud and on-prem environments. This hire will drive a major AWS migration, build greenfield environments, modernise legacy systems, and shape the long-term engineering roadmap. Own infrastructure architecture across cloud, on-prem and hybrid platforms Lead end-to-end AWS … and risk functions Automate provisioning and deployment with IaC (CloudFormation/Terraform/Ansible) 7+ years in infrastructure leadership within trading, market-making or high-performance engineering environments Strong AWS architecture and hybrid (cloud + on-prem) experience Deep networking background: routing, switching, low-latency connectivity Prior experience building and scaling teams in high-performing environments AWS (VPC … IAM, S3, ECS/EKS, DirectConnect, 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) Monitoring/Observability (CloudWatch, Prometheus, Grafana) Scripting (Python, Bash More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Laser Digital
someone who can solve platform issues but with a main focus on networking. Role Responsibilities Cloud & On-Prem Network Infrastructure Lead the design, deployment, and operation of complex cloud (AWS & Azure) and on-prem network infrastructure. Architect and optimise connectivity for low-latency systems and ensure secure, scalable networking between platforms, datacentres, and cloud environments. Manage VPNs, segmentation, and … to strategic technology decisions with a focus on resilient network design. Professional Experience and Skills 3+ years in a Network Engineer or similar infrastructure-focused role Proven expertise in AWS networking (VPCs, Transit Gateway, DirectConnect, Security Groups, etc.) Experience designing and managing enterprise-grade LAN, WAN, VPN, and SASE networks Familiarity with Azure networking and hybrid More ❯
someone who can solve platform issues but with a main focus on networking. Role Responsibilities Cloud & On-Prem Network Infrastructure Lead the design, deployment, and operation of complex cloud (AWS & Azure) and on-prem network infrastructure. Architect and optimise connectivity for low-latency systems and ensure secure, scalable networking between platforms, datacentres, and cloud environments. Manage VPNs, segmentation, and … to strategic technology decisions with a focus on resilient network design. Professional Experience and Skills 3+ years in a Network Engineer or similar infrastructure-focused role Proven expertise in AWS networking (VPCs, Transit Gateway, DirectConnect, Security Groups, etc.) Experience designing and managing enterprise-grade LAN, WAN, VPN, and SASE networks Familiarity with Azure networking and hybrid More ❯
london, south east england, united kingdom Hybrid / WFH Options
Laser Digital
someone who can solve platform issues but with a main focus on networking. Role Responsibilities Cloud & On-Prem Network Infrastructure Lead the design, deployment, and operation of complex cloud (AWS & Azure) and on-prem network infrastructure. Architect and optimise connectivity for low-latency systems and ensure secure, scalable networking between platforms, datacentres, and cloud environments. Manage VPNs, segmentation, and … to strategic technology decisions with a focus on resilient network design. Professional Experience and Skills 3+ years in a Network Engineer or similar infrastructure-focused role Proven expertise in AWS networking (VPCs, Transit Gateway, DirectConnect, Security Groups, etc.) Experience designing and managing enterprise-grade LAN, WAN, VPN, and SASE networks Familiarity with Azure networking and hybrid More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Laser Digital
someone who can solve platform issues but with a main focus on networking. Role Responsibilities Cloud & On-Prem Network Infrastructure Lead the design, deployment, and operation of complex cloud (AWS & Azure) and on-prem network infrastructure. Architect and optimise connectivity for low-latency systems and ensure secure, scalable networking between platforms, datacentres, and cloud environments. Manage VPNs, segmentation, and … to strategic technology decisions with a focus on resilient network design. Professional Experience and Skills 3+ years in a Network Engineer or similar infrastructure-focused role Proven expertise in AWS networking (VPCs, Transit Gateway, DirectConnect, Security Groups, etc.) Experience designing and managing enterprise-grade LAN, WAN, VPN, and SASE networks Familiarity with Azure networking and hybrid More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Laser Digital
someone who can solve platform issues but with a main focus on networking. Role Responsibilities Cloud & On-Prem Network Infrastructure Lead the design, deployment, and operation of complex cloud (AWS & Azure) and on-prem network infrastructure. Architect and optimise connectivity for low-latency systems and ensure secure, scalable networking between platforms, datacentres, and cloud environments. Manage VPNs, segmentation, and … to strategic technology decisions with a focus on resilient network design. Professional Experience and Skills 3+ years in a Network Engineer or similar infrastructure-focused role Proven expertise in AWS networking (VPCs, Transit Gateway, DirectConnect, Security Groups, etc.) Experience designing and managing enterprise-grade LAN, WAN, VPN, and SASE networks Familiarity with Azure networking and hybrid More ❯
A leading trading firm is seeking an experienced Head of Infrastructure to lead and scale its UK and global trading infrastructure. This senior leadership role will drive the firms AWS migration from on-premise systems, build greenfield environments, integrate them with existing platforms, and oversee both cloud and on-prem IT operations. Lead the design, implementation, and management of … cloud infrastructure Oversee AWS migration from on-premise infrastructure, ensuring scalability, security, and high availability Own the full IT infrastructure stack, including Active Directory, Microsoft services, networking, and on-prem systems Configure and maintain firewalls, routers, and switches to ensure security, reliability, and optimal performance across production and disaster recovery environments Lead cybersecurity initiatives focused on network segmentation, access … of experience in infrastructure, cloud architecture, or DevOps within high-performance trading or capital markets environments Proven experience building and leading infrastructure or DevOps teams Hands-on expertise in AWS architecture, migration, and hybrid (cloud + on-prem) environments Deep technical background in network design, routing, switching, and firewall configuration Strong understanding of network latency, throughput, and optimisation for More ❯
strong relationships with our clients and acting as a trusted advisor Required education None Preferred education Bachelor's Degree Required technical and professional expertise You will be familiar with AWS or/and Azure and be comfortable with Microservice architectures and a range of cloud, devops and integration technologies. You will have worked on hybrid cloud complex systems integration … cloud solutions combining on premises and cloud based services. Experience in creating architecture diagrams component models and technology stacks for hybrid environments. Deep understanding of major cloud providers (e.g. AWS Azure Google Cloud) and their respective services. Familiarity with cloud native services serverless computing and managed services. Experience in designing managing and optimizing on premises infrastructure including virtualization storage … and networking. Knowledge of on premises automation tools (e.g. Ansible Puppet Chef). Proficiency in designing and implementing secure connectivity solutions (e.g. VPNs DirectConnect VPN Gateways). Experience in integrating on premi Public cloud technologies (AWS, Azure, IBM Cloud, Kubernetes etc.) Strong understanding & delivery experience of cloud native architectures Good understanding of scaled agile delivery methods More ❯
strong relationships with our clients and acting as a trusted advisor Required education None Preferred education Bachelor's Degree Required technical and professional expertise You will be familiar with AWS or/and Azure and be comfortable with Microservice architectures and a range of cloud, devops and integration technologies. You will have worked on hybrid cloud complex systems integration … cloud solutions combining on premises and cloud based services. Experience in creating architecture diagrams component models and technology stacks for hybrid environments. Deep understanding of major cloud providers (e.g. AWS Azure Google Cloud) and their respective services. Familiarity with cloud native services serverless computing and managed services. Experience in designing managing and optimizing on premises infrastructure including virtualization storage … and networking. Knowledge of on premises automation tools (e.g. Ansible Puppet Chef). Proficiency in designing and implementing secure connectivity solutions (e.g. VPNs DirectConnect VPN Gateways). Experience in integrating on premi Public cloud technologies (AWS, Azure, IBM Cloud, Kubernetes etc.) Strong understanding & delivery experience of cloud native architectures Good understanding of scaled agile delivery methods More ❯
