Principal Platform Engineer

About Fidelity Investments Fidelity’s mission is to strengthen the financial well-being of our customers and deliver better outcomes for the clients and businesses we serve. Fidelity’s strength comes from the scale of our diversified, market-leading financial services businesses that serve individuals, families, employers, wealth management firms, and institutions. With assets under administration of $15.0 trillion, including discretionary assets of $5.9 trillion as of March 31, 2025, we focus on meeting the unique needs of a broad and growing customer base. Privately held for 78 years, Fidelity employs more than 77,000 associates across the United States, Ireland, and India. For our Terms and Conditions, please visit http://go.fidelity.com/LIterms

• Elumine is seeking a Principal Platform Engineer to join our team, building a new GenAI products for investment research.
• Elumine is an early-stage GenAI startup, and is part of Fidelity Labs, our in-house new business incubator. In this role, you will be responsible for working across the Data Science, Engineering, and Product teams to build modern scalable cloud infrastructure solutions for deploying applications. You will also contribute to architecting and engineering the application microservices.
• As a Principal Platform Engineer, you will play a pivotal role in building new capabilities that provide AI powered search, retrieval, and analytics. You will work closely with the Director of Engineering and cross-functional teams, driving technical decisions and ensuring the delivery of scalable, maintainable solutions.
• Implement and manage containerized applications using EKS, Docker, and Kubernetes with focus on reliability and performance
• Design and maintain highly available cloud infrastructure using Infrastructure as Code (AWS CDK, Terraform, CloudFormation)
• Build and optimize CI/CD pipelines for automated testing, deployment, and monitoring of applications
• Monitor system performance, availability, and security across all environments using observability tools
• Automate operational tasks, implement backup/disaster recovery procedures, and establish SLAs/SLOs
• Participate in on-call rotation, incident response, and post-mortem analysis to drive continuous improvement
• Contribute to FastAPI/Python based engineering and development of new application services

Required

• 6+ years of Cloud Engineering, Site Reliability Engineering or DevOps experience with AWS including compute, storage, networking, and managed services
• Proficiency with Infrastructure as Code tools (AWS CDK, Terraform, CloudFormation) and scripting languages (TypeScript for CDK, Python, Bash, PowerShell)
• Strong understanding of cloud networking, security groups, VPCs, load balancers, and DNS management
• Experience building and maintaining CI/CD pipelines using Jenkins, GitLab CI, GitHub Actions, or Azure DevOps
• Knowledge of monitoring and observability tools (Prometheus, Grafana, Datadog, CloudWatch) and incident management practices
• Strong Linux system administration skills and containerization experience (ECS, Docker, Kubernetes)
• Excellent problem-solving skills with ability to troubleshoot complex distributed systems and work independently

Preferred

• Experience in Python / FastAPI development is preferred
• Prior experience developing Gen AI applications
• Prior work in a startup or incubator environment, building products from the ground up.

• Health Care Coverage
• Emotional Well-Being Support
• Retirement Benefits
• Paid Time Off
• Parental Leave
• Charitable Giving Employee Match
• Student Loan Repayment
• Tuition Reimbursement
• Learning Resources