Tech Lead, Cloud COE

Janus Henderson Global Investors; City Of London; Hybrid; GBP 85,000 - 120,000; Full time

Job summary

A leading investment management firm in London is seeking a Tech Lead – Cloud COE to manage Azure cloud infrastructure and lead a team of engineers. The ideal candidate has over 8 years of experience in cloud engineering, strong leadership skills, and proficiency in Azure networking and automation. This role offers opportunities for professional development and a supportive work environment.

Benefits

Generous holiday policies

Excellent health and wellbeing benefits

Paid volunteer time

Tuition reimbursement

Complimentary subscription to mindfulness app

Qualifications

• 8+ years of experience in cloud engineering with deep Azure expertise.
• Proven experience leading technical teams in delivering cloud solutions.
• Strong knowledge of Azure networking, identity, security, and automation.

Responsibilities

• Lead cloud infrastructure implementation and optimization across Azure.
• Manage cloud networking and troubleshoot connectivity issues.
• Mentor and guide cloud engineers within the Cloud COE team.

Skills

Cloud infrastructure management

Azure expertise

Team leadership

Scripting (PowerShell, Bash, Python)

IaC tools (Terraform, Bicep)

Networking knowledge

Education

Bachelor's or Master’s in Computer Science or related field

Job description

Overview

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 Tech Lead – Cloud COE is a senior, hands-on engineering role responsible for leading the implementation, operations, and optimization of Azure cloud infrastructure across the enterprise. This role combines deep technical expertise with leadership responsibilities, guiding a team of cloud engineers and driving excellence in cloud delivery, automation, networking, identity, and security.

• Cloud Infrastructure & Operations
  • Govern and lead the provisioning, configuration, and lifecycle management of Azure resources (VMs, storage, containers, managed services)
  • Oversee BAU operations including patching, updates, and performance tuning
  • Support workload migrations and cloud-native deployments
  • Work close with Infrastructure Architecture team to align to EA architecture and strategic project planning
• Cloud Networking
  • Govern and implement Azure networking: VNets, NSGs, route tables, VPN gateways, ExpressRoute, private endpoints
  • Troubleshoot complex connectivity issues across hybrid and multi-cloud environments
  • Optimize network performance, latency, and security posture
• Automation & Infrastructure-as-Code
• Design and maintain automation using PowerShell, Bash, Python
• Lead IaC practices using Terraform, Bicep, or ARM templates
• Integrate infrastructure provisioning into CI/CD pipelines
• Identity, Access & Security
• Manage Cloud Entra ID (Azure AD) configurations, including tenant setup and synchronization
• Implement SSO integrations and manage RBAC across subscriptions and resources
• Enforce security policies, compliance controls, and assist in vulnerability remediation
• Monitoring, Incident Response & Optimization
• Configure and manage Azure Monitor, Log Analytics, Network Watcher
• Lead incident response, root cause analysis, and resolution workflows
• Continuously optimize cloud resource usage and cost (FinOps awareness – Flexera Preffered)
• Team Leadership & Collaboration
• Mentor and guide cloud engineers within the Cloud COE team
• Collaborate with platform, security, and application teams to ensure cloud alignment
• Contribute to cloud standards, reusable patterns, and operational excellence

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

Must have skills

• Bachelor’s or Master’s in Computer Science, Engineering, or related field
• 8+ years of hands-on experience in cloud engineering, with deep expertise in Azure
• Proven experience leading technical teams and delivering enterprise-scale cloud solutions
• Strong knowledge of Azure networking, identity, security, and automation
• Proficiency in scripting (PowerShell, Bash, Python) and IaC tools (Terraform, Bicep)
• Familiarity with CI/CD tools and DevOps practices

Nice to have skills

• AZ-104: Azure Administrator
• AZ-305: Azure Solutions Architect
• AZ-700: Azure Network Engineer
• SC-300: Identity & Access Administrator

Supervisory responsibilities

• Yes
• Potential for growth
• Mentoring
• Leadership development programs
• Regular training
• Career development services
• Continuing education courses
• Cross functional collaboration
• 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.

At Janus Henderson Investors we’re committed to an inclusive and supportive environment. We believe diversity improves results and we welcome applications from candidates from all backgrounds. Don’t worry if you don’t think you tick every box, we still want to hear from you! We understand everyone has different commitments and while we can’t accommodate every flexible working request, we’re happy to be asked about work flexibility and our hybrid working environment. If you need any reasonable accommodations during our recruitment process, please get in touch and let us know at [e-mail]

Janus Henderson (including its subsidiaries) will not maintain existing or sponsor new industry registrations or licenses where not supported by an employee’s job functions (as determined by Janus Henderson at its sole discretion).

All applicants must be willing to comply with the provisions of Janus Henderson 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. Janus Henderson is an equal opportunity /Affirmative Action 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.