Hamilton Barnes

DevOps SME - Hybrid - Sheffield or London - 6 months - Inside IR35 We are seeking an experienced DevOps Subject Matter Expert (SME) to join a large enterprise technology environment. This role is focused on supporting and enhancing CI/CD pipelines, automation, container platforms, and virtualisation environments across multiple delivery teams. This is a hands-on role requiring strong operational experience with Jenkins, GitLab CI, Kubernetes, OpenShift, and OpenShift Virtualisation. Key Responsibilities Design, implement, and support CI/CD pipelines Develop and execute automated tests Support day-to-day DevOps and operational activities Manage container workloads on Kubernetes and OpenShift Monitor and optimise container and VM resource usage Deploy and manage virtual machines using OpenShift Virtualisation (OCPV) Automate VM life cycle processes Troubleshoot issues across CI/CD, testing, container, and VM environments Collaborate with development, QA, and infrastructure teams Key Skills & Experience Jenkins and GitLab CI Automated testing (Selenium, JMeter, Postman) Kubernetes and OpenShift OpenShift Virtualisation (OCPV) Scripting (Bash, Python, or similar) Strong troubleshooting and communication skills Contract Details Contract Length: 6 months Rate: £525 per day (Inside IR35) Working Model: Hybrid 10 days onsite per month Location: London or Sheffield

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 security best practices (RBAC, network policies, encryption). What You Will Ideally Bring Proven experience designing and delivering OpenShift architectures and migrations. Strong Kubernetes and containerisation expertise. Hands-on experience with VMware and Pure Storage. Solid understanding of networking, storage, and cloud-native security principles. CI/CD and DevOps tooling experience (eg Jenkins, GitHub, ArgoCD). Contract Details Duration: 6 months (with potential extension) Day Rate: Up to £550 per day (Inside IR35) Location: London/Sheffield - Hybrid Based Start Date: ASAP

Site Reliability Engineer (Openshift) - 6-Month Contract - Hybrid (London or Sheffield) We are seeking a skilled OpenShift Site Reliability Engineer (SRE) to join our team on a 6-month contract. In this role, you will ensure the reliability, availability, and performance of our OpenShift-based virtual and container platforms, with a strong focus on automation. You will collaborate with cross-functional teams including Applications, Hardware, and Network, developing secure and scalable service architectures using cloud-native technologies. Key Responsibilities Ensure reliability, availability, and performance of OpenShift-based virtual and container platforms. Collaborate with Applications, Hardware, and Network teams to deliver secure, resilient services. Develop automation to prevent outages using Shell Scripting, YAML, Ruby, Python, and Go. Establish and enforce SRE best practices through platform constraints and high-fidelity system modelling. Participate in an on-call rotation to support critical services. What You Will Ideally Bring Hands-on experience with OpenShift virtualization and Kubernetes administration. Strong understanding of distributed systems and common failure domains. Experience managing production services on RedHat, Windows, and ESXi platforms. Strong knowledge of Linux systems and networking fundamentals. Experience with monitoring, logging, alerting, and observability tools (eg, OpenTelemetry, Prometheus, Grafana, Splunk). Proficiency in Python, Shell, Go, Terraform, and similar Scripting languages. Familiarity with CI/CD tools such as Jenkins or GitLab CI. Understanding of containerization (Docker) and microservices architecture. Contract Details Duration: 6 months (with potential extension) Day Rate: Up to £500 per day (Inside IR35) Location: London/Sheffield - Hybrid Based Start Date: ASAP

Linux Administrator - 6 months - Stevenage - Inside IR35 We are seeking an experienced Linux Administrator to join our team on a 6-month contract. This role is critical in supporting and optimizing enterprise-grade Linux infrastructure within a large-scale project environment. You will work hands-on with advanced RHEL 9 systems, high-end GPU workstations, and HPC platforms, ensuring system stability, performance, and innovation. Key Responsibilities: Provide technical support for high-end GPU workstations in an enterprise environment Install, configure, and maintain enterprise software solutions on Red Hat Enterprise Linux platforms Troubleshoot complex Linux system issues using structured diagnostic approaches Support and contribute to large-scale projects through close collaboration with cross-functional teams Conduct performance testing on HPC platforms using custom scripts and tools Analyze performance and utilization data to produce actionable insights Skills and Experience Required: Proven hands-on experience as a Linux Administrator or Systems Engineer Strong expertise in Red Hat Enterprise Linux 9 system administration Proficiency in Shell Scripting and automation Experience supporting high-end GPU Workstation environments Solid knowledge of Linux troubleshooting and performance tuning Experience working with HPC platforms, including performance testing Contract Details: Duration: 6 months Rate: £350 per day Working Model: Stevenage Role Type: Contract

Senior Guidewire Developer - 6 months - London Office (Hybrid) - Inside IR35 As a Senior Guidewire Developer/Consultant, you will play a key role in our strategic Policy and Claims administration platform consolidation program. You will be responsible for planning, executing, and monitoring the deployment of system features while ensuring seamless integration and maintaining the system throughout its life cycle. You will leverage your expertise in Guidewire PolicyCenter, ClaimCenter, and Cloud migration to configure and customize applications for new product lines, helping transform our insurance technology landscape. Key Responsibilities: Analyze complex business requirements and design scalable software solutions. Develop and enhance modules within enterprise systems, coding advanced portions as needed. Plan and execute system feature deployments, ensuring successful integration and life cycle maintenance. Consolidate requirements to identify future-proof solutions aligned with business needs. Perform performance tuning to ensure optimal system functionality. Recommend and implement Agile best practices, design, and development principles. Skills and Experience Required: Expertise in Guidewire PolicyCenter/ClaimCenter, including Cloud migration and configuration/customization for new products. Strong knowledge of insurance domain and claims processes. Experience integrating Guidewire with third-party and broker systems. Hands-on experience with GOSU programming, XML, PCF, REST, and SOAP. Programming languages: Java, Python, PL/SQL Development frameworks: Spring Boot, React, Angular Databases: Oracle, Microsoft SQL Contract Details: Duration: 6 months Rate: £400 per day Working Model: London Office (Hybrid) Role Type: Contract

Senior/Principal Technology Resilience Consultant - Permanent - Hybrid (UK) We're looking for a Senior/Principal Technology Resilience Consultant to support organisations with complex operational and technology resilience challenges. You'll work closely with senior leadership teams, regulators, and technology stakeholders to design, deliver, and embed resilience strategies across highly regulated and critical environments. Key Responsibilities Lead and deliver complex technology and operational resilience programmes across multiple sectors. Support clients with regulatory compliance across global resilience frameworks and standards. Design and implement enterprise resilience frameworks, operating models, and transformation programmes. Manage multiple client engagements, ensuring high-quality delivery and commercial performance. Lead resilience assessments, impact tolerance setting, and scenario testing. Required Skills & Experience Knowledge of cyber, privacy, third-party and regulatory frameworks (NIST, ISO, GDPR, NIS, etc.) is advantageous. Extensive experience in technology, operational, or enterprise resilience roles. Deep understanding of global operational resilience regulation and compliance frameworks. Experience delivering resilience regulatory compliance programmes, ideally within financial services. Strong stakeholder management and executive-level communication skills. Package: Reach out for information on the benefits and package. Senior/Principal Technology Resilience Consultant - Permanent - Hybrid (UK)

Azure Logic App Specialist - 6 months - Remote - Outside IR35 We are seeking a dedicated Azure Logic App Specialist for a 6-month contract to work directly with a key customer. This role involves designing and developing a series of playbooks, providing expert-level support and development of Azure Logic Apps in a fully remote capacity. Key Responsibilities: Design, develop, and maintain Azure Logic Apps workflows and playbooks. Utilize connectors effectively to integrate various services within Logic Apps. Implement error handling, monitoring, and best practices to ensure resilient cloud integrations. Act as the primary subject matter expert (SME) on Azure Logic Apps for the customer. Collaborate closely with the customer to deliver tailored Logic App solutions. Provide continuous support and troubleshooting for Logic App implementations. What You Will Ideally Bring: Deep hands-on experience with Azure Logic Apps and related connectors. Strong understanding of workflow design, error handling, and monitoring within Logic Apps. Proven ability to deliver resilient and scalable cloud integration solutions. Experience acting as a subject matter expert and trusted advisor on Azure Logic Apps. Excellent communication skills and ability to work closely with customers remotely. Strong problem-solving and analytical abilities. Contract Details: Duration: 6 months Location: Remote Day Rate: Up to £500 per day (Outside IR35) Azure Logic App Specialist - 6 months - Remote - Outside IR35

Sentinel SME - 6 months - Remote - Outside IR35 We are seeking an experienced Microsoft Sentinel SME for a 6-month contract to work directly with a key customer. This role involves designing and implementing advanced security playbooks, providing expert-level guidance, and delivering robust security monitoring and response solutions using Microsoft Sentinel. Key Responsibilities: Design, configure, and optimize Microsoft Sentinel environments for effective security monitoring. Develop and maintain custom analytics rules, workbooks, and playbooks. Implement automation and orchestration of incident response using Sentinel and related tools. Act as the primary subject matter expert (SME) on Microsoft Sentinel for the customer. Collaborate with stakeholders to tailor Sentinel use cases to the customer's security requirements. Provide ongoing support, tuning, and troubleshooting of Sentinel implementations. Ensure best practices for threat detection, incident response, and monitoring are applied. What You Will Ideally Bring: Deep, hands-on experience with Microsoft Sentinel and Azure security services. Strong understanding of SIEM concepts, log ingestion, and security operations workflows. Proven ability to design and deliver scalable and resilient security monitoring solutions. Experience acting as a trusted advisor/SME for security operations and SIEM tools. Excellent communication skills with the ability to work closely with customers remotely. Strong problem-solving, analytical, and threat-hunting abilities. Contract Details: Duration: 6 months Location: Remote Day Rate: Up to £500 per day (Outside IR35) Sentinel SME - 6 months - Remote - Outside IR35

Service Desk Associate - 6 months - Crawley- Inside IR35 We are seeking a proactive and technically skilled Service Desk Associate for a 6-month onsite contract role based in Crawley. The ideal candidate will be the first point of contact for IT-related issues, providing timely and effective support to end users across the organization. Key Responsibilities: Handle service desk requests including answering calls, responding to emails, and managing ticket submissions Reset passwords and assist users in regaining access to systems Perform basic troubleshooting for minor software issues and hardware glitches Support configuration challenges and simple setup problems Respond to user inquiries via phone, email, chat, or ticketing systems Log and track IT incidents and service requests accurately What You Will Ideally Bring: Solid understanding of IT infrastructure and common support tools Prior experience in a Service Desk, Helpdesk, or Technical Support role Technical proficiency at L1.5 level Excellent verbal and written communication skills Contract Details: Duration: 6 months (View for Extension) Day Rate: Up to £135 per day (Inside IR35) Location: Crawley Start Date: ASAP Service Desk Associate - 6 months - Crawley- Inside IR35