our clients IT Operations team. In this role, you will ensure the reliability, performance, and security of critical network infrastructure across the company, data center, and multi-cloud environments (AWS/GCP). While primarily focused on networking, you will also support occasionally on systems administration tasks as needed, making you a versatile contributor in a fast-paced, collaborative … environment supporting cutting-edge technology. Role and Responsibilities Administer, operate, and maintain enterprise network infrastructure, including LAN/WLAN, VPNs, DNS/DHCP/IPAM, firewalls, and cloud networking (AWS, GCP). Proactively monitor and troubleshoot performance, availability, and connectivity issues, taking ownership of incident resolution end-to-end. Support systems administration tasks when required, including account provisioning, server … Exposure to infrastructure-as-code (Terraform, Ansible) and version control systems (Git). Experience with monitoring and observability tools (LogicMonitor, Grafana, Prometheus). Knowledge of hybrid cloud networking, including AWSDirectConnect or GCP Interconnect. Relevant certifications such as CCNP, AWS Advanced Networking Specialty, or Google Cloud Network Engineer. More ❯
on the design, implementation, and optimization of enterprise-grade network solutions across the on-premises and multi-cloud environments. The ideal candidate will have deep expertise with Cisco Appliances, AWS and/or GCP networking, and a strong proficiency with Infoblox DNS, Palo Alto Firewalls, VeloCloud SD-WAN, Zero Trust solutions like Zscaler, and Azure networking. The role requires … secure, scalable, and resilient network architectures while collaborating with diverse and globally distributed teams. YOU'RE GOOD AT Architecture and Design Develop end-to-end network architectures that integrate AWS, GCP, Azure, and Cisco IOS platforms Design Core Network Protocol (DNS, NTP, DHCP) deployments with tools like Infoblox Design secure perimeter and segmentation strategies with Palo Alto Firewalls Lead … deployment using VeloCloud to optimize global connectivity Implementation and Optimization Configure and manage Cisco IOS-based routers, switches, and firewalls Deploy and maintain enterprise scale cloud networking components in AWS, Azure, and GCP Optimize network reliability, performance, and scalability across hybrid and multi-cloud environments Implement automation where possible using Terraform, API integrations, Git Actions and/or Terraform More ❯
and Python. Manage infrastructure and configuration using YAML and JSON. Configuring and tuning Cloudera services for performance and security. Ensure secure, scalable, and cost-effective deployments on cloud platforms (AWS, Azure, or GCP). An understanding of all the Hadoop daemons along with their roles and responsibilities in the cluster. Should be able to troubleshoot issues in Cloudera services … Knowledge of changes required for migrating to Cloudera cloud version CDP Knowledge of Cloudera data services (CDW, CDE, CDF, CAI) Design Native Cloud Application Architectures and optimize applications for AWS Network connectivity, DirectConnect, VPN, VPC, Security group, NACL, Route 53 Must have in depth AWS development experience (Containerization – Glue, Docker, Amazon EKS, Lambda, EC2, S3 … Amazon DocumentDB, PostgreSQL) Strong knowledge of DevOps and CI/CD pipeline (GitHub, Jenkins) Scripting capability and the ability to develop AWS environments as code Hands-on AWS experience with at least 1 implementation (preferred in an Enterprise scale environment) Experience with core AWS platform architecture, including areas such as: Organizations, Account Design, VPC, Subnet, segmentation strategies. More ❯
and Python. Manage infrastructure and configuration using YAML and JSON. Configuring and tuning Cloudera services for performance and security. Ensure secure, scalable, and cost-effective deployments on cloud platforms (AWS, Azure, or GCP). An understanding of all the Hadoop daemons along with their roles and responsibilities in the cluster. Should be able to troubleshoot issues in Cloudera services … Knowledge of changes required for migrating to Cloudera cloud version CDP Knowledge of Cloudera data services (CDW, CDE, CDF, CAI) Design Native Cloud Application Architectures and optimize applications for AWS Network connectivity, DirectConnect, VPN, VPC, Security group, NACL, Route 53 Must have in depth AWS development experience (Containerization – Glue, Docker, Amazon EKS, Lambda, EC2, S3 … Amazon DocumentDB, PostgreSQL) Strong knowledge of DevOps and CI/CD pipeline (GitHub, Jenkins) Scripting capability and the ability to develop AWS environments as code Hands-on AWS experience with at least 1 implementation (preferred in an Enterprise scale environment) Experience with core AWS platform architecture, including areas such as: Organizations, Account Design, VPC, Subnet, segmentation strategies. 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 ❯
experience: Leading a team of cloud engineers who are accountable for Cloud Platforms, their foundational capabilities, and the framework to support the deployment of services Improving the Cloud (Azure, AWS) landscape consistency and efficiency through automation. With a breadth of Cloud and Azure technologies, with good commercial awareness and business acumen. What we need from you: Experience leading a … technical team. Experience within the Cloud Technologies and Platforms, including but not limited to: Azure/AWS Cloud Azure Landing Zone Azure Active Directory (Identity Management, Service Principles, Security Groups, Role Management, MFA) Key Vault Cloud Security and Connectivity (vNet, DNS, Firewalls, Express Route/DirectConnect, VPN, GTM, NSG) Subscription Management (Resource Groups, cost management) Infrastructure More ❯