infrastructure
Posted 1 weeks agoSenior Site Reliability Engineer
at Braze
Hybrid
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Responsibilities
- Own MongoDB Reliability at Scale
- Design and operate Braze’s MongoDB infrastructure to meet strict enterprise-grade SLAs, with deep ownership of availability, durability, and query performance
- Build proactive monitoring and alerting that fires on symptoms – before customers feel impact – with rich MongoDB-specific observability (oplog lag, replication health, lock contention, index hit rates, etc.)
- Lead capacity planning and sharding strategy as data volumes and query patterns evolve
- Drive root-cause analysis on MongoDB incidents and translate findings into permanent system improvements
- Improve the MongoDB Developer Experience
- Build self-service tooling, automation, and runbooks that let engineers interact with MongoDB safely and efficiently without needing to page the platform team
- Define and enforce connection pool sizing, write-concern defaults, and read-preference standards across the fleet
- Build and Automate Infrastructure
- Manage MongoDB cluster lifecycle (provisioning, upgrades, failovers, decommissions) on Kubernetes using the MongoDB Enterprise Kubernetes Operator, with infrastructure defined as code via Terraform and Ansible
- Develop and maintain automated backup, restore, and point-in-time recovery workflows – tested regularly against real workloads
- Lead incident retrospectives with a bias toward systemic fixes, automation, and documentation – not blame
- Maintain and improve runbooks so that any engineer on the team can respond effectively to MongoDB incidents WHO YOU ARE Required: 5+ years of
Requirements
- Braze runs one of the largest MongoDB deployments in the world – powering real-time customer engagement for thousands of the world’s leading brands.
- We process hundreds of billions of data points each month across more than 3.3 billion monthly active users, with MongoDB at the core of how we store, query, and serve that data at scale.
- As a Senior SRE on the MongoDB Platform team, your primary mission is to make MongoDB better for Braze – and to do so with the rigor, automation-first mindset, and engineering discipline of a world-class SRE.
- You won’t just keep the lights on; you’ll architect a more reliable, scalable, and observable MongoDB platform that the entire engineering organization depends on.
- Contribute to internal platform tooling in Ruby and/or Go that reduces operational toil across the SRE organization
- Hands-on MongoDB expertise: replica sets, sharding, index design, aggregation pipelines, explain plans, and performance tuning under real load
- Strong Linux fundamentals and comfort operating at the OS level (disk I/O, memory, networking, process management)
- Strong programming skills in one or more of: Python, Go, Ruby, or JavaScript – you write automation, not just scripts (JavaScript/Python
- experience is a plus for MongoDB shell scripting and aggregation pipeline work) •
- Experience with IaC tools: Terraform, Ansible, or equivalent •
- Experience with container orchestration: Docker and Kubernetes
- Experience running MongoDB at multi-terabyte scale or in a sharded topology
- Familiarity with MongoDB Atlas, Ops Manager, or Cloud Manager •
- Experience with complementary data technologies in Braze’s stack: Redis, Kafka, Postgres
- Prior work on database platform engineering or database reliability engineering (DBRE) teams #LI-Hybrid WHAT WE OFFER Braze
- Built on a foundation of composable intelligence, BrazeAI™ allows marketers to combine and activate AI agents, models, and features at every touchpoint throughout the Braze Customer Engagement Platform for smarter, faster, and more meaningful customer engagement.
- Braze is also proudly certified as a Great Place to Work® in the U.S., the UK, Australia, and Singapore.
- OUR AI-POWERED BRAZE RECRUITMENT PROCESS
- To help our recruitment teams focus on what matters most — the person behind each application — we use AI-assisted tools at certain stages of our recruitment process.
- This includes using AI to analyze the experience, skills and
- We also use AI for administrative support, like scheduling and recording interviews and summarizing interview notes.
- Depending on where you are located, you may have the right to request further information about how AI is used in our recruitment process, to opt out of AI-assisted review, to request a manual review of any decision made or to contest a decision.
Benefits
- We seek to ignite that passion by setting high standards, championing teamwork, and creating work-life harmony as we collectively navigate rapid growth on a global scale while striving for greater equity and opportunity – inside and outside our organization.
- Competitive compensation that may include equity
- Flexible paid time off
- Comprehensive benefit plans covering medical, dental, vision, life, and disability
- benefits and equal paid parental leave
- Professional development supported by formal career pathing, learning platforms, and a yearly learning stipend
- Opportunities to give back to your community, including an annual company-wide Volunteer Week and donation matching
- experience – regardless of age, color, disability, gender identity, marital status, maternity, national origin, pregnancy, race, religion, sex, sexual orientation, or status as a protected veteran.
Additional details
- At Braze, we have found our people. We’re a genuinely approachable, exceptionally kind, and intensely passionate crew.
- To flourish here, you must be prepared to set a high bar for yourself and those around you.
- There is always a way to contribute: Acting with autonomy, having accountability and being open to new perspectives are essential to our continued success.
- Our deep curiosity to learn and our eagerness to share diverse passions with others gives us balance and injects a one-of-a-kind vibrancy into our culture.
- If you are driven to solve exhilarating challenges and have a bias toward action in the face of change, you will be empowered to make a real impact here, with a sharp and passionate team at your back.
- If Braze sounds like a place where you can thrive, we can’t wait to meet you. WHAT YOU'LL DO
- Partner with product engineering teams to review schema designs, index strategies, and aggregation pipelines – catching scalability anti-patterns before they reach production
- Participate in a PagerDuty on-call rotation with a clear charter: use every quiet shift to eliminate the next page
- A systems thinker who reasons about interfaces, failure modes, edge cases, and cascading effects across the stack
- Bias toward documentation and asynchronous collaboration across global remote teams Nice to Have: •