Location
London

Hours
Hybrid working with flexible arrangements

Salary
Competitive salary with annual discretionary bonus opportunity

About the Role
The Senior Cloud Engineer – Cloud COE at Janus Henderson is a hands-on engineering role responsible for building, automating, and operating Azure cloud platforms. Reporting to the Tech Lead – Cloud COE, you will focus on Terraform-led infrastructure, Azure platform engineering, AKS, AVS, Azure Arc, and business-as-usual (BAU) operations. You will build, configure, and manage Azure infrastructure services including compute, storage, networking, backup, and platform services, supporting deployment of enterprise landing zones, shared services, and workload environments. This role requires close collaboration with Tech Lead and Architecture teams to deliver strategic cloud initiatives and contribute to reusable templates, standards, and best practices while driving an automation-first mindset and continuous improvement.

Core responsibilities include infrastructure-as-code development and maintenance using Terraform, delivering infrastructure provisioning via CI/CD pipelines, managing Azure core platform services, deploying and supporting Azure Kubernetes Service (AKS) clusters, supporting Azure VMware Solution (AVS) environments, implementing Azure Arc and hybrid cloud governance, configuring cloud networking and connectivity, and supporting identity, access, and security controls. You will also support BAU cloud operations, incident management, and platform stability.

Janus Henderson offers a supportive environment with generous holiday policies, excellent health and wellbeing benefits, paid volunteer time, professional development and certifications, parental leave benefits, employee events, networking opportunities, and subsidised lunch allowance. The firm is committed to diversity and inclusion and encourages applications from candidates of all backgrounds.

Experience
5+ years of hands-on cloud engineering experience with Microsoft Azure
Strong Terraform (IaC) experience including module design, pipelines, and governance
Deep knowledge of core Azure services such as compute, storage, networking, and identity
Hands-on experience with Azure Kubernetes Service (AKS), Azure networking (VNet, DNS, Private Endpoints, ExpressRoute/VPN), and Microsoft Entra ID / RBAC
Experience supporting BAU operations, incident management, and troubleshooting
Strong scripting skills in PowerShell, Bash, or Python
Experience with CI/CD pipelines using GitHub or Azure DevOps
Understanding of cloud security and governance best practices
Experience working in enterprise-scale environments

About you
Self-motivated individual contributor with high technical ownership
Strong collaborator able to work across Cloud COE, Platform Engineering, Security, and Architecture teams
Committed to continuous learning and automation-first mindset
Ability to work in a regulated financial services environment and understand regulatory obligations
Enthusiastic about mentoring and leadership development opportunities

Qualifications
Relevant certifications such as AZ-104 (Azure Administrator), AZ-305 (Azure Architect), AZ-700 (Networking), and Terraform certification are desirable
Experience with Azure VMware Solution (AVS) and Azure Arc is a plus
Exposure to FinOps and cost optimization practices is advantageous
Experience in financial services or regulated environments is preferred