Senior Site Reliability Engineer

Summary

Join MongoDB's Development Infrastructure (DevInfra) team as a Senior Site Reliability Engineer and help shape the systems and workflows that empower infrastructure developers. You will play a key role in designing, implementing, and improving systems for delivering infrastructure as code, building and testing with Bazel, and provisioning cloud infrastructure via Kubernetes using Crossplane. This highly collaborative role involves working with Platform Engineering, Infrastructure Security, and end-user teams. Your work will directly influence developer experience and the reliability of cloud provisioning and infrastructure development workflows. This role can be based in our NYC HQ, one of our North American offices, or fully remote from anywhere in North America. For office-based employees, we offer a flexible hybrid work policy.

Requirements

• Have 6+ years of experience building and operating developer-facing infrastructure or platform tooling
• Be comfortable working with Terraform, and have experience managing Terraform workflows in a team or multi-environment setup
• Have hands-on experience with GitHub Actions, including writing reusable and maintainable workflows
• Have experience with Bazel (or similar build systems like Buck, Buck2 or Pants) and care about build performance, caching, and reproducibility
• Care deeply about developer experience, reducing cognitive load, and eliminating manual toil through automation
• Have experience with cloud infrastructure (AWS preferred) and familiarity with concepts like IAM, VPCs, OpenID Connect and CI/CD
• Have a solid foundation in infrastructure-as-code, including how to test, validate, and gate changes safely
• Be eager to work on cross-cutting tooling and collaborate across multiple engineering teams
• Write clear documentation and proactively share knowledge with others

Responsibilities

• Take ownership of core components of our Terraform and Bazel workflows
• Propose and implement improvements to our infrastructure CI/CD and build pipelines
• Contribute to a roadmap that makes it easier for teams to safely onboard infrastructure changes and scale workflows
• Participate in our on-call rotation, focused on infrastructure tooling reliability supporting production services

Preferred Qualifications

• Experience with Crossplane or similar Kubernetes-native infrastructure provisioning tools
• Familiarity with or interest in Backstage or similar internal developer portals
• Previous contributions to building or maintaining internal developer platforms or tooling
• Experience working in multi-cloud environments
• An interest in onboarding and mentoring others in infrastructure best practices

Benefits

• Flexible paid time off
• 20 weeks fully-paid gender-neutral parental leave
• Fertility and adoption assistance
• 401(k) plan
• Mental health counseling
• Access to transgender-inclusive health insurance coverage
• Health benefits offerings