Senior Cloud Engineer, Cloud COE

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 (Git Hub / Azure Dev Ops)
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, DRAzure 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, UDRsVPN Gateway, Express Route Private  Endpoints and DNSTroubleshoot hybrid connectivity and latency issues

Support secure network design and segmentation

Identity, Access & Security Support Microsoft Entra  (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…