Senior/Expert HA/Clustering Engineer (PostgreSQL + Pacemaker) Contract: 2 weeks (likely extension) Location: Onsite (details on request) Start: Immediate We are seeking an experienced HA/Clustering Engineer to support the implementation of a high availability PostgreSQL cluster using Pacemaker on RHEL9/Linux environments. This is a short-term contract opportunity for a senior specialist who can provide hands-on expertise and guide project delivery. Key Responsibilities<ul><li>Design, configure, and support high availability clustering with Pacemaker and PostgreSQL.</li><li>Manage hot standby promotion using OCF and asynchronous WAL replication to multiple replicas.</li><li>Implement fencing (IPMI/virsh) in VM-based (non-container) environments.</li><li>Configure and support RabbitMQ with HA queues (or similar message queue systems).</li><li>Troubleshoot, optimise, and ensure reliable failover and recovery processes.</li></ul>Key Skills & Experience<ul><li>Deep expertise in RHEL9/Linux environments.</li><li>Proven track record in PostgreSQL HA & replication.</li><li>Strong hands-on experience with Pacemaker clustering and resource management.</li><li>Knowledge of fencing mechanisms (IPMI/virsh).</li><li>Familiarity with RabbitMQ HA queues or equivalent.</li><li>Strong problem-solving and troubleshooting skills.</li><li>Available for immediate start.</li></ul>What We Offer<ul><li>Competitive daily rate.</li><li>Immediate engagement on a high-impact project.</li><li>Opportunity to shape HA design and provide technical leadership.</li></ul>📩 If you are available and have the expertise required, please apply today with your CV and availability details.

Senior/Expert in Cluster/HA Management

🌐 Platform Manager 📍 London (Hybrid) | 🕒 Full-time, 35 hours per week About the Role We’re looking for a Platform Manager to lead the delivery, security, and evolution of our core IT platforms. You’ll be at the forefront of our cloud-first strategy, guiding the design and implementation of highly scalable, secure, and resilient infrastructures across Azure, VMware, and Nutanix. This is a hands-on leadership role where you’ll coach a team of platform specialists, shape long-term roadmaps, and ensure our technology is always reliable, innovative, and secure. What you’ll do<ul><li>Lead the design, delivery, and security of platform services across datacentre, cloud, and campus technologies.</li><li>Define and maintain strategic and tactical roadmaps (6–36 months) for platform evolution.</li><li>Drive DevOps practices – automation, CI/CD, and integration of cloud-native technologies.</li><li>Guide the adoption of Zero Trust security principles and manage SIEM tools like LogRhythm.</li><li>Provide 3rd-line support and act as a technical authority in governance forums (CAB, TDA).</li><li>Manage vendor relationships and contribute to overall IT strategy.</li><li>Lead and develop a specialist team, ensuring they grow and succeed.</li></ul>What we’re looking for<ul><li>Proven experience leading platform or infrastructure teams (4+ engineers).</li><li>Expertise in cloud-first environments with strong skills in: <ul><li>Microsoft Azure (IaaS, RBAC, Defender for Cloud)</li><li>VMware vSphere</li><li>Nutanix HCI</li></ul></li><li>Strong knowledge of platform security – Zero Trust, SIEM, incident management.</li><li>Hands-on experience with DevOps practices (automation, CI/CD, Kubernetes, Docker, Terraform, Ansible).</li><li>Excellent communicator – able to explain technical concepts to both engineers and business leaders.</li><li>Experience in ITIL-based service delivery.</li></ul>Why join us?<ul><li>Play a pivotal role in our digital transformation and cloud-first journey.</li><li>Lead cutting-edge platform services that impact thousands of users.</li><li>Work in a collaborative environment where your expertise shapes strategy.</li><li>Hybrid working with flexibility built in.</li></ul>How to apply If you’re a Platform Manager ready to lead the future of cloud and platform technologies, we’d love to hear from you. Apply today and help us build the resilient, secure, and innovative systems of tomorrow.

Platform Manager

Previously working as an account manager in the public sector for the last 4 years, Luke joins our Contract team focusing on the Cloud and End-User Computing sector. 

Luke Roberts

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