CR Sr. Site Reliability Engineer - Core Platform & Embedded Reliability; Hybrid) CrowdStrike Site

As a global leader in cybersecurity, Crowd Strike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed — we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily.

Our customers span all industries, and they count on Crowd Strike to keep their businesses running, their communities safe and their lives moving forward. We're proud to work for a mission-driven company leveraging AI to transform the way we work. Crowd Strikers drive their careers through flexibility and autonomy while also being expected to contribute to a culture of responsible AI adoption, experimentation, and innovation.

We use an AI-first mindset as a force multiplier to proactively and continuously accelerate execution, build expertise, uncover insights, and solve complex problems. We’re always looking to add talented Crowd Strikers to the team who have limitless passion, a relentless focus on innovation and a fanatical commitment to our customers, our community and each other. Ready to join a mission that matters?

The future of cybersecurity starts with you.

Our customers depend on us to protect their businesses from sophisticated threats, and reliability isn't optional — it's fundamental to our mission. Your work directly impacts whether organizations around the world can defend themselves against cyberattacks. You'll work on problems that matter, at a scale few companies can match, with the autonomy to make real architectural decisions.

This position requires candidates to be based in Midtown Manhattan, NY;
Redmond, WA;
Sunnyvale, CA; or Austin, TX
. It's a hybrid role, with employees typically working 2 to 3 days per week in the office
.

• Partner with engineering leadership across multiple product groups to define and drive multi‑year reliability roadmaps.
• Design and implement architectural improvements to services, libraries, and platforms that impact teams across all of Crowd Strike.
• Develop and maintain services that meet aggressive reliability and scalability demands.
• Extend and build new libraries for cross‑cutting concerns spanning Crowd Strike's cloud platform, which comprises hundreds of libraries and services.
• Lead initiatives around reliability, scalability, performance, and cost efficiency in large‑scale distributed systems.
• Establish foundational observability practices: ensure teams instrument services properly, react to signals effectively, and leverage observability to drive automation such as continuous delivery.
• Define and implement service‑level objectives and error budgets that drive real decision‑making and prioritization.
• Lead performance and cost optimization efforts: profiling, bottleneck analysis, capacity planning, and cloud efficiency improvements.
• Conduct resilience engineering: chaos experiments, failure injection, failure modeling, and designing for graceful degradation.
• Design and implement automation and infrastructure‑as‑code to improve infrastructure reliability and eliminate manual toil.
• Provide technical leadership during complex incidents and ensure follow‑through on retrospectives with concrete improvements that eliminate entire classes of failures.
• Identify opportunities to extract common patterns into shared libraries and tools, or partner with platform teams on improvements benefiting multiple product groups.
• Continuously re‑evaluate our products to improve architecture, knowledge models, developer and user experience, performance, and stability.
• Drive strategic technical decisions and…