Hamilton Barnes

GCP VDC Network Specialist - 6-Month Contract - Hybrid (Bristol, Leeds, Halifax, Manchester, or Edinburgh) We are looking for an experienced GCP VDC Network Specialist to support teams in delivering modern, scalable cloud networking solutions on Google Cloud Platform. In this role, you'll help design, build, and modernise the Virtual Data Centre (VDC) network layer, curate reusable GCP cloud products using Infrastructure as Code (IaC), and drive best practices in cloud networking and DevOps automation. Key Responsibilities Design, implement, and manage GCP Virtual Data Centre (VDC) network architectures for enterprise workloads Configure and maintain VPCs, subnets, Firewall rules, routing, and VPC peering to ensure secure and scalable connectivity Implement hybrid connectivity solutions, including Cloud VPN and Interconnect, for on-prem and multi-cloud integration Develop and maintain Infrastructure as Code (IaC) for network resources using Terraform/Terraform...

Mainframe Developer (6-Month Contract) - London (Hybrid) We are seeking an experienced Mainframe Developer to join a prestigious financial institution on a 6-month contract. The role will focus on developing and supporting CICS web services, ZOS Connect EE, and DB2 REST interfaces within a dynamic hybrid working environment. The ideal candidate will have strong experience with CICS web services, SOAP, WSDL, JSON, and RESTful APIs, and be comfortable working in an Agile/DevOps environment using modern toolsets. Key Responsibilities Design, develop, and maintain CICS web services and ZOS Connect EE/DB2 REST services. Work with Mainframe development tools such as FileAid, Xpediter, IBM Explorer for ZOS, and Visual Studio. Develop and maintain APIs using SOAP, WSDL, and JSON, ensuring robust SOA and RESTful service integration. Collaborate using code repositories, bug tracking tools, and wikis (GitLab, Endevor, JIRA, Confluence). Implement security integration...

Openshfit Architect - 6-Month Contract - Hybrid (London or Sheffield) We are seeking an experienced OpenShift Architect to lead the design, planning, and execution of OpenShift architecture and migration strategies for enterprise platforms. This role will focus on delivering scalable, secure, and highly available OpenShift environments, with a strong emphasis on migration from existing infrastructure. Key Responsibilities Design target OpenShift architectures, including cluster topology, networking, and storage. Lead migration assessments and planning, covering containerisation, workload transfer, and data migration with minimal downtime. Design and optimise OpenShift deployments integrated with VMware (vSphere, vCenter, NSX) and Pure Storage (FlashArray/FlashBlade). Design and implement CI/CD pipelines and DevOps workflows for OpenShift environments. Ensure solutions meet high availability, scalability, disaster recovery, and security requirements. Implement...