Sr. Engineer-Platform Engineering

Join to apply for the Sr. Engineer-Platform Engineering role at Janus Henderson Investors .

A career at Janus Henderson is more than a job, its 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 worldclass service. We protect and grow our core business, amplify our strengths, and diversify 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!

As a Senior Engineer in Platform Engineering, you will design, build, and optimize the foundational platforms that power our applications and services. Youll work across infrastructure, automation, CI/CD, and developer tooling to enable scalable, secure, and highperforming environments. This role is critical to our Internal Developer Platform (IDP) strategy and improving developer experience.

• Platform Development: Architect and implement scalable platform components and services.
• Infrastructure Automation: Build infrastructureascode (IaC) solutions using Terraform, Ansible, or similar tools.
• CI/CD Enablement: Design and maintain CI/CD pipelines using GitHub Actions, Azure DevOps, or Jenkins.
• Cloud Engineering: Manage and optimize cloudnative infrastructure (Azure, AWS, or GCP).
• Observability & Reliability: Implement monitoring, logging, and alerting frameworks; contribute to SRE practices.
• Security & Compliance: Ensure platform components meet security and regulatory standards.
• Collaboration: Partner with software engineers, SREs, and DevEx teams to deliver seamless developer experiences.
• Mentorship: Guide junior engineers and contribute to technical leadership within the team.

• Hybrid working and reasonable accommodations
• Generous holiday policies
• 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
• Corporate membership to ClassPass and other health and wellbeing benefits
• Unique employee events and programs including a 14er challenge
• Complimentary beverages, snacks and all employee Happy Hours

• Bachelors or Masters in Computer Science, Engineering, or related field
• 5+ years of experience in platform engineering, DevOps, or infrastructure roles
• Strong experience with cloud platforms (Azure preferred, AWS/GCP acceptable)
• Proficiency in containerization (Docker, Kubernetes)
• Handson with CI/CD tools (GitHub, Azure DevOps, GitLab CI)
• Experience with IaC tools (Terraform, Pulumi, Ansible)
• Solid programming skills (Python, Go, or Java)
• Strong understanding of networking, security, and system architecture

• 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

• No

• Mentoring
• Leadership development programs
• Regular training
• Career development services
• Continuing education courses
• Crossfunctional collaboration

The base salary range for this position is $100,000$115,000. This range is estimated for this role. Actual pay may be different. This position will remain open through the end of 2025.

Colorado law requires an estimated closing date for job postings. Please don't be discouraged from applying if you see this date has passed.

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. 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 let us know at

Annual Bonus Opportunity: Position is eligible for 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 page here.

Janus Henderson Investors 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.

Applicants are required 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 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.

MidSenior level

Fulltime

Engineering and Information Technology