Senior Site Reliability Engineer I

At Braze we have found our people. Were a genuinely approachable exceptionally kind and intensely passionate crew.

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.

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 cant wait to meet you.

Site Reliability Engineers (SREs) at Braze are responsible for keeping all internal-facing services and platforms running smoothly ensuring consistent system reliability and maximum infrastructure uptime. SREs blend the roles of sensible system administrators and software engineers applying sound engineering principles operational discipline and mature automation to our production environments. We specialize in distributed systems operating at an extraordinary scale that includes serving over 3.3 billion monthly active users collecting hundreds of billions of data points each month and delivering billions of messages to our customers end-users daily.

This Senior SRE role is specifically focused on supporting the Braze Ruby on Rails monolith and our growing fleet of Go API services. This position is embedded with product engineering teams who own APIs taking their high-level feature requirements and helping translate them into reliable highly scalable technology stacks. You will be responsible for the ingress fleets and API ingestion layers which serve as the main entry point for how the entire internet talks to Braze. Because of the highly operational and foundational nature of these ingress fleets a deep hands-on experience of both NGINX and Kubernetes is important.

WHAT YOULL DO

Lead NGINX & Kubernetes Ingress Infrastructure

• Architect and Operate Ingress Fleets: Configure tune and operate Brazes high-performance NGINX routing proxying and ingress controller layers that manage massive real-time API ingestion traffic
• Own and Expand Scaling Routines: Own expand and tune automated scaling routines for our high-throughput API-based services leveraging RED (Request Error Duration) metrics Horizontal Pod Autoscalers (HPA) and customized scaling policies to ensure seamless traffic handling under extreme spikes

Partner with Product Teams on Resilient Architectures

• Translate Product Requirements: Partner directly with product engineering teams owning API features to translate product requirements into resilient highly available and scalable technology stacks
• Manage SLIs SLOs and Error Budgets: Establish meaningful Service Level Indicators (SLIs) and Service Level Objectives (SLOs) for API services helping teams navigate error budgets to balance rapid feature deployment with stability
• Systems Design & Capacity Planning: Conduct in-depth systems design bottleneck profiling and capacity planning to ensure Braze meets its strict enterprise-grade SLAs

Incident Response & On-Call Excellence

• Proactive On-Call Rotation: Participate in a PagerDuty on-call rotation utilizing shifts not just to resolve structural alerts but to update runbooks and proactively prevent incidents from recurring
• Blameless Retrospectives: Lead root-cause analysis (RCA) and blameless retrospectives for availability and performance incidents translating operational learnings into permanent system improvements

WHO YOU ARE

Required Experience & Skills:

• Professional Experience: 5 years of experience as a DevOps or Site Reliability Engineer in a high-scale production environment
• NGINX Mastery: Deep hands-on experience configuring troubleshooting and operating high-performance NGINX proxying routing and ingress controller layers under heavy traffic loads
• Kubernetes Orchestration: In-depth hands-on proficiency with Kubernetes administration cluster networking container orchestration cluster scheduling and container deployment
• Linux Fundamentals: Excellent OS-level understanding of Linux/Unix internals including disk I/O memory allocation TCP/IP networking and process management
• Programming Proficiency: Strong programming/scripting skillsRuby and/or Go preferred (or equivalent languages like Python Java) to build custom automated tools scripting and platform frameworks
• Infrastructure as Code: Experience managing infrastructure using IaC technologies such as Terraform Ansible Chef or similar frameworks
• Systems Thinking: Strong conceptual understanding of systems designinterfaces boundaries failure modes edge cases and cascading effects across distributed architectures
• Collaborative Mindset: Excellent documentation practices and a high comfort level collaborating asynchronously across remote-first global engineering teams

Preferred / Nice to Have:

• Data Technologies: Familiarity with data-tier architectures in our stack including Redis Kafka Postgres or MongoDB
• Observability Systems: Experience using monitoring profiling and observability platforms (e.g. Prometheus Grafana Datadog or similar tools) to narrow in on incidents quickly
• Cloud Infrastructures: Practical experience deploying and managing infrastructure services in major cloud environments (AWS GCP Azure)

For candidates based in the United States the pay range for this position at the start of employment is expected to be between $128842 and $232200/year with an expected On Target Earnings (OTE) between $144000 and $258000/year (including bonus or commission). Your exact offer may vary depending on multiple individualized factors including market location job-related knowledge skills and addition to cash compensation this role qualifies for a comprehensive Total Rewards package that includes equity grants of restricted stock (RSUs) so that you will own a piece of our company.