Senior Cloud Engineer, Cloud COE

About the role

Why work for us? A career at Janus Henderson is more than a job, it's about investing in a brighter future together. Our Mission at Janus Henderson is to help clients define and achieve superior financial outcomes through differentiated insights, disciplined investments, and world-class service. We will do this by protecting and growing our core business, amplifying our strengths and diversifying where we have the right. Our Values are key to driving our success, and are at the heart of everything we do: Clients Come First - Always | Execution Supersedes Intention | Together We Win | Diversity Improves Results | Truth Builds Trust If our mission, values, and purpose align with your own, we would love to hear from you! Your opportunity The Senior Cloud Engineer - Cloud COE is a hands-on engineering role responsible for building, automating and operating Azure cloud platforms. Reporting to Tech Lead - Cloud COE, this role focuses on Terraform-led infrastructure, Azure platform engineering, AKS, AVS, Azure Arc and BAU operations. Core responsibilities Cloud Engineering & Platform Delivery Build, configure, and manage Azure infrastructure services including compute, storage, networking, backup, and platform services Support deployment of enterprise landing zones, shared services, and workload environments Implement cloud solutions aligned with architecture patterns and enterprise standards Work closely with Tech Lead and Architecture teams to deliver strategic cloud initiatives Infrastructure-as-Code (Terraform Focus) Develop and maintain Terraform modules and reusable infrastructure components Deliver infrastructure provisioning via CI/CD pipelines (GitHub / Azure DevOps) Ensure infrastructure deployments are consistent, version-controlled, and policy-compliant Manage drift detection, environment consistency, and release governance Azure Core Platform Skills Hands-on engineering across: Subscriptions, Management Groups, RBAC, Policy Virtual Machines, Storage, Backup, DR Azure Monitor, Log Analytics Private Endpoints and secure service exposure Implement secure-by-design configurations aligned to enterprise cloud controls Azure Kubernetes Service (AKS) Deploy, configure, and support AKS clusters Manage cluster scaling, patching, upgrades, and networking integration Support container platform operations including monitoring and reliability Collaborate with application teams for containerised workload deployments Azure VMware Solution (AVS) Support AVS environments including connectivity, operations, and monitoring Assist with workload migrations and integration with Azure-native services Work with infrastructure teams to ensure stable hybrid VMware-cloud operations Azure Arc & Hybrid Cloud Implement and manage Azure Arc-enabled servers and services Apply governance, policy, and monitoring across hybrid estates Support consistency of operations across on-prem, AVS, and Azure-native environments Cloud Networking & Connectivity Configure and manage: VNets, NSGs, UDRs VPN Gateway, ExpressRoute Private Endpoints and DNS Troubleshoot hybrid connectivity and latency issues Support secure network design and segmentation Identity, Access & Security Support Microsoft Entra ID (Azure AD) configurations and integrations Implement RBAC, SSO, and least privilege access models Assist with security controls, compliance policies, and remediation activities Monitoring, BAU & Incident Management Support business-as-usual (BAU) cloud operations across environments Monitor cloud services using Azure Monitor, Log Analytics, and alerting tools Investigate incidents, perform root cause analysis, and implement fixes Maintain platform stability, uptime, and service performance Collaboration & Engineering Excellence Work closely with: Cloud COE team Platform Engineering Security and Architecture teams to contribute to internal Tech Architecture Board Contribute to reusable templates, standards, and best practices Drive automation-first mindset and continuous improvement What to expect when you join our firm Hybrid working and reasonable accommodations Generous holiday policies Excellent health and wellbeing benefits Paid volunteer time Professional development and certifications Parental leave benefits Access to Headspace Employee events and networking opportunities Subsidised lunch allowance Must have skills 5+ years of hands-on cloud engineering experience with Microsoft Azure Strong Terraform (IaC) experience - module design, pipelines, governance Deep knowledge of core Azure services (compute, storage, networking, identity) Hands-on experience with: Azure Kubernetes Service (AKS) Azure networking (VNet, DNS, Private Endpoints, ExpressRoute/VPN) Microsoft Entra ID / RBAC Experience supporting BAU operations, incident management, and troubleshooting Strong scripting skills (PowerShell, Bash, or Python) Experience with CI/CD pipelines (GitHub / Azure DevOps) Understanding of cloud security and governance best practices Experience working

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