Senior Engineer- Platform Engineering

Why work for us

A career at Janus Henderson is more than a job its about investingin 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

As a Senior Engineer within Platform Engineering you will lead the design build and evolution of our Internal Developer Platform (IDP) enabling consistent secure and scalable software delivery across the enterprise. This role combines DevOps engineering platform architecture and developer experience enablement with a strong focus on CI/CD transformation (Azure DevOps to GitHub) platform tooling and data platform integration (Snowflake Databricks). You will act as a subject matter expert (SME) across DevOps tooling automation and platform reliabilitydriving best practices standardisation and selfservice capabilities for engineering teams.

• Design build and evolve enterprise platform services to support the Internal Developer Platform (IDP) and enable scalable secure and self-service engineering environments.
• Lead DevOps transformation initiatives including migration from Azure DevOps to GitHub and implement standardised CI/CD pipelines reusable workflows and release automation frameworks.
• Develop and maintain Infrastructure-as-Code (IaC) solutions using Terraform Bicep or similar tools to provision and manage cloud infrastructure.
• Deliver and optimise cloud-native platforms on Azure (primary) ensuring scalability resilience and cost efficiency.
• Act as SME across DevOps tooling including GitHub (Actions Advanced Security) Nexus (artifact management) and Veracode (application security) embedding security controls into pipelines and platform services.
• Enable and support DevOps practices for core data platforms including Snowflake and Databricks covering environment provisioning CI/CD integration and access control models.
• Implement observability frameworks including monitoring logging and alerting and contribute to SRE practices such as SLIs/SLOs reliability engineering and incident management.
• Embed security and compliance standards into all platform components ensuring auditability policy enforcement and alignment with enterprise governance requirements.
• Drive developer experience improvements through platform standardisation self-service tooling templates and AI-enabled capabilities (e.g. Copilot intelligent automation).
• Collaborate with Architecture Cloud COE SRE and engineering teams to deliver consistent and governed platform capabilities across the organisation.
• Mentor junior engineers and contribute to technical leadership standards definition and engineering best practices.

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 Wellhub
• 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
• All employee events including networking opportunities and social activities
• Lunch allowance for use within our subsidized onsite canteen

Must have skills

• Bachelors or masters in computer science Engineering or related field
• 6 years of experience in platform engineering DevOps or infrastructure roles
• Strong experience with cloud platforms (Azure preferred)
• Proficiency in containerization (Docker Kubernetes)
• Hands-on with CI/CD tools (GitHub Azure DevOps GitLab CI)
• Experience with IaC tools (Terraform Pulumi Ansible)
• Strong experience in DevOps Platform Engineering or Infrastructure Engineering roles within enterprise environments
• Proven expertise in CI/CD pipeline design automation and standardisation using GitHub (Actions Advanced Security) and Azure DevOps including migration from ADO to GitHub
• Deep hands-on experience with Infrastructure-as-Code (Terraform Bicep or equivalent) and automated cloud provisioning
• Strong knowledge of Azure cloud platform including compute networking identity and security services
• Experience implementing DevSecOps practices including integration of SAST/DAST tools (e.g. Veracode) secrets management and secure pipeline execution
• Expertise in artifact management (e.g. Nexus) and modern DevOps tooling ecosystems
• Experience enabling Internal Developer Platform (IDP) capabilities including self-service provisioning reusable templates and platform standardisation
• Solid understanding of software development lifecycle (SDLC) release engineering and environment lifecycle management
• Experience working with data platforms (Snowflake and/or Databricks) including CI/CD integration environment provisioning and access control models
• Strong knowledge of containerisation and cloud-native technologies (Docker Kubernetes)
• Experience with observability and monitoring frameworks (e.g. Azure Monitor Prometheus Grafana) and understanding of SRE practices (SLIs/SLOs reliability engineering)
• Strong scripting/programming skills (Python PowerShell Bash) and automation mindset
• Good understanding of security networking RBAC and Zero Trust principles in cloud and DevOps environments
• Exposure to AI-enabled developer tooling (e.g. GitHub Copilot intelligent automation) and improving developer experience
• Experience operating in regulated enterprise-scale environments with strong focus on governance auditability and compliance
• Strong communication collaboration and stakeholder management skills with ability to act as a hands-on SME and technical leader

Nice to have skills

• Certifications in cloud technologies or Kubernetes.
• Experience building or contributing to an Internal Developer Platform (IDP)
• Familiarity with service mesh API gateways and platform observability tools
• Knowledge of FinOps cost optimization and cloud governance
• Solid programming skills (Python Go or Java)
• Strong understanding of networking security and system architecture
• Experience building or contributing to an Internal Developer Platform (IDP)
• Exposure to AI-enabled development (e.g. GitHub Copilot automation workflows)
• Knowledge of FinOps cost optimisation and cloud governance
• Relevant cloud or Kubernetes certifications

Supervisory responsibilities

• No

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 were committed to an inclusive and supportive environment. We believe diversity improves results and we welcome applications from candidates from all backgrounds. Dont worry if you dont think you tick every box we still want to hear from you! We understand everyone has different commitments and while we cant accommodate every flexible working request were 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 .

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.

Benefits: Janus Henderson is committed to offering a comprehensive total rewards package to eligible employees that includes; competitive compensation pension/retirement plans and various health wellbeing and lifestyle benefits. To learn more about our offerings please visit the Why Join Us section on the career pagehere.

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.

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

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.

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.

Required Experience:

Senior IC

Employment Type : Full Time
Experience: years
Vacancy: 1