Senior Site Reliability Engineer (MongoDB)

TL;DR

Senior Site Reliability Engineer (MongoDB): Architecting and operating one of the world's largest MongoDB deployments to ensure enterprise-grade SLAs with an accent on reliability, scalability, and observability. Focus on automating infrastructure via Kubernetes and IaC, optimizing database performance, and eliminating operational toil.

Location: Hybrid in São Paulo, Brazil

Company

Leading customer engagement platform empowering brands through composable intelligence and AI-powered personalized experiences.

What you will do

• Design and operate MongoDB infrastructure to meet strict enterprise-grade SLAs, focusing on availability, durability, and query performance.
• Implement proactive monitoring and observability for MongoDB-specific metrics to detect issues before they impact customers.
• Lead capacity planning and sharding strategies as data volumes and query patterns evolve.
• Develop self-service tooling and automation in Ruby and Go to improve the developer experience and reduce operational toil.
• Manage the MongoDB cluster lifecycle on Kubernetes using the Enterprise Kubernetes Operator, Terraform, and Ansible.
• Lead incident response, conduct root-cause analysis, and execute systemic fixes to prevent recurrence.

Requirements

• 5+ years of experience as a Software Engineer, DevOps Engineer, or SRE in a production environment.
• Hands-on MongoDB expertise including replica sets, sharding, index design, and performance tuning.
• Strong Linux fundamentals and comfort operating at the OS level.
• Proficiency in programming with Python, Go, Ruby, or JavaScript.
• Experience with IaC tools (Terraform, Ansible) and container orchestration (Docker, Kubernetes).
• Must be based in or able to work in a hybrid setup in São Paulo, Brazil.

Nice to have

• Experience running MongoDB at multi-terabyte scale or in sharded topologies.
• Familiarity with MongoDB Atlas, Ops Manager, or Cloud Manager.
• Experience with Redis, Kafka, or Postgres.
• Prior experience on Database Reliability Engineering (DBRE) teams.

Culture & Benefits

• Competitive compensation package including equity and Employee Stock Purchase Plans.
• Comprehensive health benefits covering medical, dental, vision, life, and disability.
• Flexible paid time off and supportive family services, including equal paid parental leave.
• Professional development support via formal career pathing and a yearly learning stipend.
• Community-centric culture with an annual company-wide Volunteer Week and donation matching.