Engineer III, Cloud SDET - Platform (Hybrid)
CrowdStrike · San Francisco Bay Area
📍 USA - Sunnyvale, CAvia workdayFirst listed here 2026-08-07
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As a global leader in cybersecurity, CrowdStrike 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 CrowdStrike 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. CrowdStrikers 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 CrowdStrikers 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.
About the Role:
CrowdStrike is looking for a Software Development Engineer in Test (SDET) in the Platform product group responsible for authentication and authorization. The Auth team is responsible for both internal (e.g. Service-to-service authorization, etc.) and external (e.g. user login, etc) authN and authZ. The team is a critical part of cloud, frequently working collaboratively with many other product groups. The team builds and extends services that can make 1+ trillion decisions per day!.
You'll be instrumental in building and scaling our next-generation test automation infrastructure, focusing on frameworks, libraries, and tooling that ensure the quality of our cloud services. We process millions of security events per second and manage petabytes of critical security data - the scale and impact of your work will be significant. We're seeking innovative problem-solvers who can take ownership of complex technical challenges and drive quality initiatives across our platform. You'll work with cutting-edge cloud technologies while helping protect organizations worldwide from sophisticated cyber threats.
Success Means:
Architecting and delivering scalable test automation solutions that can handle enterprise-scale workloads
Breaking complex distributed systems in creative ways to uncover edge cases and potential vulnerabilities
Taking ownership of quality initiatives that span across cloud services, data processing, and customer-facing applications
Building robust frameworks that enable teams to deliver features with confidence
Collaborating effectively across engineering teams to drive testing best practices
Balancing speed and quality while working in a fast-paced security technology environment
This role is hybrid, requiring 2-3 days per week on-site at one of the posted locations.
What You'll Do:
Design and implement scalable test automation frameworks for complex distributed systems involving cloud services and endpoint agent software.
Develop comprehensive test strategies for security-critical features, focusing on reliability, accuracy, and performance at scale
Review engineering technical designs with a focus on testability, security implications, and potential edge cases
Create and maintain cloud-based test infrastructure that simulates real-world deployment scenarios
Build tools and frameworks for testing complex agent-cloud interactions, data processing pipelines, and API integrations
Drive root cause analysis for production issues and implement automated tests to prevent regression
Mentor team members on test automation best practices and security-conscious testing approaches
What You'll Need:
6+ years of combined experience as an SDET or Backend Developer
3+ years building testing frameworks and tooling for Cloud SaaS products
Strong computer science fundamentals (algorithms, data structures, distributed systems)
Expertise in at least one modern programming language: Go, Python, Java, C++, JavaScript/TypeScript
Deep understanding of:
Cloud architectures and microservices
Web Services: REST, gRPC, Protocol Buffers or similar API technologies
Data storage systems: PostgreSQL, Cassandra, Redis or similar databases
Container technologies: Docker, Kubernetes or similar orchestration platforms
Experience with CI/CD pipelines and testing in cloud environments (AWS/Azure/GCP)
Strong debugging skills with ability to troubleshoot complex distributed systems
Experience with cloud performance testing and monitoring tools (e.g., JMeter, Gatling, New Relic, Datadog, Prometheus/Grafana)
Proven experience utilizing AI technologies to enhance decision-making, streamline workflows and processes, improve efficiency and drive business outcomes.
Degree in Computer Engineering / STEM or similar
Bonus Points:
Previous experience testing security products, endpoint agents, or EDR solutions
Understanding of endpoint security concepts and threat detection mechanisms
Experience with real-time data processing systems (Kafka, Storm, Spark)
Contributions to open source security tools or testing frameworks
Knowledge of attack frameworks (MITRE ATT&CK) and common security vulnerabilities
Experience with chaos engineering and resilience testing
Background in any of: threat detection, incident response, or security operations
Proven track record of building developer-friendly testing tools and frameworks
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This role will require the candidate to periodically undergo and pass additional background and fingerprint check(s) consistent with government customer requirements.
Benefits of Working at CrowdStrike:
Market leader in compensation and
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