Principal Platform Engineer

Fidelity; United States; On-site; USD 107,000 - 216,000; Full time

Benefits offered by this job

Health insurance

Retirement plan

Paid time off

Parental leave

Tuition reimbursement

Student loan repayment

Job summary

Fidelity Labs seeks a Principal Platform Engineer to build GenAI infrastructure for investment research and scale applications across cloud environments. You will work with Data Science, Engineering, and Product teams to design reliable, efficient microservices and modern cloud solutions.

You will drive technical decisions, contribute to Python/FastAPI services, and participate in on-call and incident response to ensure high availability and performance.

Qualifications

• 6+ years in Cloud Engineering, SRE or DevOps with AWS.
• Experience with IaC tools and scripting languages.

Responsibilities

• Implement and manage containerized applications with ECS, Docker, and Kubernetes.
• Design and maintain highly available cloud infrastructure using IaC.
• Build and optimize CI/CD pipelines for automated testing, deployment, and monitoring.

Skills

AWS Cloud

IaC (CDK/TF/CFN)

TypeScript

Python

Bash/PowerShell

CI/CD

Linux

Docker

Kubernetes

Observability (Prometheus/Grafana)

Cloud Networking

Incident Response

Education

Bachelor’s degree in Computer Science or related field

Tools

AWS CDK

Terraform

CloudFormation

Jenkins / GitHub Actions / GitLab CI / Azure DevOps

Datadog

CloudWatch

Job description

Fidelity will not provide immigration sponsorship for this position.

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.

Key Responsibilities

• 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 Skills & Experience

• 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

Bonus Points

• 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.

The Team

We are Fidelity Labs, Fidelity Investments' in-house fintech incubator with a mission to build new businesses to drive growth for Fidelity. We seek to shape the future of our industry by building new products and services to improve the lives of the diverse set of customers, businesses, and financial institutions we serve.

Fidelity Labs is a dynamic workplace that combines the best parts of startup life-building from scratch, adapting quickly, and moon-shot ambition-with the scale and stability of an industry leader. We provide a safe space for startup teams to explore new business ideas, quickly test them with customers, and scale the most promising concepts within an existing business unit, or as a new venture.

This opportunity is brought to you by Fidelity Labs. Learn more at labs.fidelity.com .

Fidelity's Onsite Working Model

Fidelity is transitioning to a full-time onsite working model through a phased rollout across regions and roles. Currently, some roles and locations require 100% onsite presence, while others require less. Onsite expectations are likely to evolve as the rollout continues. This transition does not apply to fully remote roles.

The base salary range for this position is $107,000-216,000 USD per year. Placement in the range will vary based on job responsibilities and scope, geographic location, candidate's relevant experience, and other factors.

Base salary is only part of the total compensation package. Depending on the position and eligibility requirements, the offer package may also include bonus or other variable compensation.

We offer a wide range of benefits to meet your evolving needs and help you live your best life at work and at home. These benefits include comprehensive health care coverage and emotional well-being support, market-leading retirement, generous paid time off and parental leave, charitable giving employee match program, and educational assistance including student loan repayment, tuition reimbursement, and learning resources to develop your career. Note, the application window closes when the position is filled or unposted.

Please be advised that Fidelity's business is governed by the provisions o