Job Specifications
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 Principal Architect – Cloud is a senior technical leader responsible for designing and guiding enterprise cloud architecture across Microsoft Azure as a key member of Infrastructure Architecture team. This role demands deep hands-on expertise in cloud infrastructure, networking, identity, container platforms, and integration patterns. The architect will lead strategic initiatives including Azure Landing Zones, cloud migrations, Kubernetes-based microservices, SD-WAN/SASE integration, API architecture, and Infrastructure-as-Code (IaC) using Terraform, while working closely with the Head of Strategy, Architecture & Platform Engineering.
Cloud Architecture & Strategy
Define and evolve enterprise cloud architecture standards, reference models, and reusable patterns
Architect scalable, secure, and cost-optimized solutions across Azure IaaS, PaaS, and container platforms
Lead cloud modernization initiatives including migration of legacy workloads to Azure
Collaborate with leadership to align cloud architecture with business and platform engineering strategy
Azure Expertise
Design and implement Azure Landing Zones with governance, security, and subscription strategy
Architect solutions using Azure services: App Services, AKS, Functions, Logic Apps, Storage, Networking
Lead multi-region, high-availability, and disaster recovery architecture
Define tagging, policy, and resource hierarchy strategies for enterprise-scale environments
Kubernetes & Microservices
Architect and guide deployment of microservices on Azure Kubernetes Service (AKS)
Define service mesh, ingress, autoscaling, and observability strategies
Ensure cloud-native design principles and DevSecOps integration
Optimize container orchestration and runtime performance
Cloud Networking & Connectivity
Design and implement complex Azure networking: VNets, peering, ExpressRoute, VPN, firewalls, private endpoints
Architect secure connectivity between cloud and on-premises environments
Integrate SD-WAN and SASE solutions for secure, scalable edge connectivity
Lead network segmentation, routing, DNS, and traffic management strategies
Identity & Access Management
Architect and manage Cloud Entra ID (Azure AD) for identity federation and access control
Implement SSO, RBAC, conditional access, and multi-tenant identity models
Ensure secure integration of identity across cloud services and applications
Cloud Migration
Lead migration strategy and execution from on-premises data centers to Azure
Define migration waves, landing zone readiness, and workload prioritization
Collaborate with infrastructure, application, and security teams to ensure smooth transitions
API Integration & Design
Design and govern enterprise API architecture for cloud-native and hybrid applications
Define standards for API security, versioning, throttling, and lifecycle management
Integrate APIs across internal platforms, third-party services, and edge environments
Infrastructure-as-Code (IaC) & Automation
Lead IaC strategy and implementation using Terraform (preferred), Bicep, or ARM templates
Define reusable modules, state management, and secure provisioning workflows
Integrate IaC into CI/CD pipelines and platform automation frameworks
Governance, Monitoring & Optimization
Define cloud governance frameworks and operational guardrails and Align to Enterprise Architecture Guild and Tech Architecture Board (TAB) representation from Infrastructure Architecture team.
Architect observability solutions using Azure Monitor, Log Analytics, and Application Insights
Lead cost optimization and FinOps practices across cloud environments
What to expect when you join our firm
Hybrid working and reasonable accommodations
Generous Holiday policies
Excellent Health and Wellbeing benefits including corporate membership to ClassPass
Paid volunteer time to step away from your desk and into the community
Support to grow through professional development courses, tuition/qualification reimbursement and more
Maternal/paternal leave benefits and family services
Complimentary subscription to Headspace – the mindfulness app
All employee events including networking opportunities and social activities
Lunch allowance for use within our subsidized onsite canteen