Sr. Engineer - Sensor SDET

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 also a mission-driven company. We cultivate a culture that gives every CrowdStriker both the flexibility and autonomy to own their careers. 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: Be part of the team developing Falcon Data Protection, which safeguards organizations' sensitive data through advanced data loss prevention capabilities integrated seamlessly into the Falcon platform. This innovative solution combines machine learning, policy enforcement, and real-time detection to protect against data breaches while maintaining endpoint performance and user productivity. This is a Senior Software Development Engineer in Test (SDET) position on our Falcon Data Protection product development team, focusing on the integration between our endpoint sensor and browser extension technology. You will own the end-to-end quality process for how the sensor and browser extension work together to deliver data protection — from hands-on exploratory testing and test strategy design through to building robust automation. As a key contributor to the team, you will drive validation for new capabilities, ensuring data protection works as expected across the full stack. Working closely with sensor, cloud, and extension development teams, you'll coordinate testing efforts, participate in technical design discussions, and lead code reviews. We're seeking a senior engineer who works independently, thrives on technical challenges, takes full ownership of quality for their domain, and contributes to a culture where quality is paramount. Location: Hybrid — Tel Aviv, Israel Success in this role means: Owning the entire quality process for sensor and browser extension integration — from test strategy through hands-on testing to automation Driving validation of new capabilities end-to-end, including test design, hands-on testing, automation, environment setup, and coordination across teams Identifying what can and should be automated, and building that automation incrementally Reviewing developer test code and SDET test code to raise the quality bar across the team Collaborating both within and across teams as part of SDLC ceremonies and major initiatives Building elegant, robust, and reliable solutions for complex technical problems What You'll Do: Own the quality process for sensor-browser extension integration — design and implement comprehensive test strategies, configure environments (VMs, CI/CD pipelines) and coordinate with developers and QA Perform hands-on exploratory and manual testing of new features, then identify automation opportunities and build integration and E2E test automation Build and maintain integration and end-to-end tests using Python, ensuring data protection features works correctly across sensor and browser extension on both Windows and macOS platforms Review developer-written tests and SDET test code with an eye towards improving reliability, security, and maintainability Debug cross-platform issues found through testing or customer-reported cases to identify root cause and enhance test coverage Reproduce and validate fixes for customer-reported issues Manage test infrastructure including CI/CD pipelines in Jenkins, ensuring fast and reliable feedback loops Participate in SDLC ceremonies as part of major initiatives, collaborating with sensor, cloud, and extension teams Collaborate with product and release management to control risk, improve quality, and streamline release cycles What You'll Need: 7+ years of hands-on SDET/test automation development experience Computer science degree or equivalent experience Strong programming skills in Python Extensive experience with: White-box & black-box testing techniques and code review CI/CD frameworks and testing methodologies Experience testing across both Windows and macOS platforms Understanding of process communication and error handling in system-level integrations Self-driven and able to work independently with minimal supervision Demonstrated ability to: Design, document and implement comprehensive test strategies Lead test initiatives and mentor team members Work effectively in a globally distributed team Communicate technical concepts clearly to various audiences Proven track record in product development and release cycles Bonus Points: Ability to read and understand C/C++ code Experience with TypeScript/JavaScript and browser automation frameworks (Playwright or similar) Experience testing browser extensions (Manifest V3 preferred) Prior experience working with low-level code, operating-system internals, components, APIs, or module development on any of our supported platforms (Windows, macOS, Linux) Security-focused testing mindset — experience with policy enforcement, blocking/ allowing operations, and data loss prevention scenarios Understanding of event-driven architecture and cloud-native technologies Experience developing 24/7 enterprise software, including CI, testing, debugging, performance tracing, release management, telemetry analysis, and issue handling #LI-DM1 Benefits of Working at CrowdStrike: Market leader in compensation and equity awards Comprehensive physical and mental wellness programs Competitive vacation and holidays for recharge Paid parental and adoption leaves Professional development opportunities for all employees regardless of level or role Employee Networks, geographic neighborhood groups, and volunteer opportunities to build connections Vibrant office culture with world class amenities Great Place to Work Certified™ across the globe CrowdStrike is proud to be an equal opportunity employer. We are committed to fostering a culture of belonging where everyone is valued for who they are and empowered to succeed. We support veterans and individuals with disabilities through our affirmative action program. CrowdStrike is committed to providing equal employment opportunity for all employees and applicants for employment. The Company does not discriminate in employment opportunities or practices on the basis of race, color, creed, ethnicity, religion, sex (including pregnancy or pregnancy-related medical conditions), sexual orientation, gender identity, marital or family status, veteran status, age, national origin, ancestry, physical disability (including HIV and AIDS), mental disability, medical condition, genetic information, membership or activity in a local human rights commission, status with regard to public assistance, or any other characteristic protected by law. 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