Sr. Engineer

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: CrowdStrike is seeking an experienced Senior Software Development Engineer in Test (SDET) for our Endpoint Protection Product (EPP) sensor engineering team. As key contributors to the team, SDETs leverage their strong software development skills to architect and implement sophisticated testing frameworks, automated tools, and specialized test harnesses. You’ll ensure our quality standards are met across all new capabilities while actively participating in technical design discussions and code reviews. Working closely with development teams, you’ll help ensure robust end-to-end endpoint protection functionality. We're seeking talented engineers who thrive on technical challenges and take ownership of their work, contributing to our culture where quality is paramount. Work on our endpoint product that is embedded deeply into the operating systems we protect. Help us build a world‑class endpoint security product that delivers an efficient, reliable, seamless experience to our customers. Success In This Role Means: Automating test processes for speed, reproducibility, and scalability. You will build integration tests, system tests, performance tests, unit tests and more Reviewing feature code and discerning the quality regarding functional and non‑functional requirements Breaking software systems in creative and useful ways Collaborating both within and across teams to deliver quality software Thriving with responsibility, challenges, and aggressive goals Building elegant, robust, and reliable solutions for complex technical problems What You’ll Do: Work closely with a team of engineers to support and maintain a culture of high product quality and excellence Analyze complex sensor software features, and build effective test strategies and test designs Extend our existing codebase utilizing Python, C++, and other tools and DSLs (domain specific languages) to increase the testability and debuggability of sensor code Design and implement specialized tests for system‑wide qualities including performance, scalability, compatibility across multiple OS platforms Work collaboratively with product and release management to control risk, improve quality, and streamline our release cycles Debug complex sensor issues found through testing or customer cases to identify root cause and enhance test coverage Lead rigorous product and test code reviews with an eye toward improving the security and robustness of the sensor system Leverage your understanding of engineering best practices, including secure coding, testing paradigms, debugging, performance measurement, code reviews, CI/CD and OS internals, to ensure optimal sensor performance and reliability 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 and ability to read & understand C/C++ code Extensive experience with: White‑box testing techniques and code review CI/CD frameworks and testing methodologies Windows OS internals, components, and APIs Performance profiling tools and crash dump analysis Demonstrated ability to: Design and implement comprehensive test strategies Lead 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: Previous experience testing security products, endpoint agents, or EDR solutions Prior experience working with low‑level code, or any Mac/Win/Linux module development Knowledge of low‑level operating system internals, components, APIs, and design, for one or more of our supported platforms (Windows, macOS, Linux) Understanding 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 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: Remote‑friendly and flexible work culture 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. We base all employment decisions—including recruitment, selection, training, compensation, benefits, discipline, promotions, transfers, lay‑offs, return from lay‑off, terminations and social/recreational programs—on valid job requirements. If you need assistance accessing or reviewing the information on this website or need help submitting an application for employment or requesting an accommodation, please contact us at for further assistance. Find out more about your rights as an applicant. CrowdStrike participates in the E‑Verify program. Notice of E‑Verify Participation Right to Work CrowdStrike, Inc. is committed to fair and equitable compensation practices. Placement within the pay range is dependent on a variety of factors including, but not limited to, relevant work experience, skills, certifications, job level, supervisory status, and location. The base salary range for this position for all U.S. candidates is $140,000 - $215,000 per year, with eligibility for bonuses, equity grants and a comprehensive benefits package that includes health insurance, 401k and paid time off. For detailed information about the U.S. benefits package, please click here. #J-18808-Ljbffr