Senior Cloud Engineer, Cloud COE in London

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

• 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
• Ensure infrastructure deployments are consistent, version‐controlled, and policy‐compliant
• Manage drift detection, environment consistency, and release governance

Subscriptions, Management Groups, RBAC, Policy

• Virtual Machines, Storage, Backup, DR
• Private Endpoints and secure service exposure
• Implement secure‐by‐design configurations aligned to enterprise cloud controls
• 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
• 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
• 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

Configure and manage:

• VNets, NSGs, UDRs
• VPN Gateway, ExpressRoute
• Private Endpoints and DNS

Troubleshoot hybrid connectivity and latency issues

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
• 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

Work closely with 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.

Benefits

• Hybrid working and reasonable accommodations
• Excellent health and wellbeing benefits
• 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
• Deep knowledge of core Azure services (compute, storage, networking, identity)
• Hands‐on experience with 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 in enterprise‐scale environments

Nice to have skills

• Experience with Azure VMware Solution (AVS)
• Experience with Azure Arc (hybrid governance and management)
• Exposure to FinOps / cost optimisation practices

Certifications:

• AZ‐700 (Networking)
• Terraform certification
• Experience in financial services or regulated environments

Supervisory responsibilities

No direct line management (individual contributor role with high technical ownership)

Potential for growth

• Progression to Tech Lead / Staff Engineer
• Exposure to enterprise architecture and strategic cloud programmes
• Opportunity to lead platform engineering initiatives
• Cross‐functional collaboration across global teams

Regulatory obligations and policies

You will be expected to understand the regulatory obligations of the firm and abide by the regulated entity requirements and JHI policies applicable for your role.

Equal Opportunity Employer

Janus Henderson Investors is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. All applications are subject to background checks.

Regulatory Certification

You should be willing to adhere to the provisions of our Investment Advisory Code of Ethics related to personal securities activities and other disclosure and certification requirements, including past political contributions and political activities. Applicants' past political contributions or activity may impact applicants' eligibility for this position.

Annual Bonus Opportunity

Position may be eligible to receive an annual discretionary bonus award from the profit pool. The profit pool is funded based on Company profits. Individual bonuses are determined based on Company, department, team and individual performance.