Software Development Engineer in Test

Our Purpose
At SentinelOne, we are driven by a clear purpose: to give the advantage to those who secure our future. As AI reshapes how organizations build, operate, and innovate, the responsibility to protect them becomes more critical than ever. When you join SentinelOne, your work helps protect global enterprises, critical infrastructure, and the technologies shaping tomorrow. If you are motivated by meaningful challenges and want your impact to be real, measurable, and global, you will find purpose here.
About Us
SentinelOne is a company at the intersection of AI and security, pioneering a new operating model for cybersecurity. Our AI-native platform unifies protection across endpoint, cloud, identity, data, and AI systems to deliver autonomous detection and response with clarity and speed. By combining real-time analytics, intelligent automation, and a unified data foundation, we reduce noise, simplify complexity, and empower security teams to focus on what truly matters.
Our teams are builders, problem-solvers, and innovators committed to shaping the future of security. If you are excited to solve hard problems alongside talented, mission-driven people, we invite you to help us build a safer future for humanity.
What Are We Looking For?
We’re looking for people who are relentlessly curious and committed to continuous learning. AI is reshaping every function across our business, and we enable every team member, regardless of role or level, to build fluency in AI tools and concepts. Those who thrive here actively seek out new solutions, experiment thoughtfully, and apply what they learn to drive better, faster, smarter outcomes.
As a Software Development Engineer in Test (SDET), you will be tasked with delivering high-quality products by designing and building robust test automation and related tools. You will collaborate with developers and product managers to analyze new features, define test strategies, and ensure our products meet the highest standards. Additionally, you will leverage modern AI techniques and tools to elevate test efficiency, optimization, and automation capabilities.
What Will You Do?
Primary responsibilities include:
Design and develop scalable test automation and related tools using Python and pytest.
Create and execute automated test cases to validate new features and product enhancements.
Diagnose and debug failures, working with the development team to ensure timely resolution.
Collaborate with cross-functional teams to define test plans and strategies.
Apply your knowledge of software engineering best practices, Agile methodologies, and Windows Internals to drive excellence and quality.
Integrate AI tools and techniques into test workflows, including AI-assisted test generation, intelligent log analysis, automated root-cause detection, and predictive test case selection.
What Skills and Knowledge Will You Bring?
Ideal candidates will have:
2 to 5 years of experience in Product Validation or Development, with a focus on endpoint validation and automation.
Strong proficiency in Python programming for automation development.
Solid understanding of Windows OS, Windows Internals, Tools, APIs, and Application design.
Experience with testing frameworks like Pytest and continuous integration tools like Jenkins and GitHub.
Excellent problem-solving, debugging, and communication skills.
A bachelor's degree in Computer Science or a related field.
Familiarity with AI-assisted coding tools (such as GitHub Copilot, ChatGPT, and Claude) for test script generation, test data synthesis, and automated failure/log analysis, along with openness to adopting emerging AI/LLM-driven testing frameworks.
Experience with Endpoint Security products, a basic understanding of C/C++, and Computer Networking is preferred.
Why SentinelOne?
AI is redefining how the world operates and rewriting the rules of security in real time, and SentinelOne was built for this moment. From day one, we architected an AI-native platform designed to operate at machine speed, not as an add-on to legacy systems but as the foundation itself. If you want to build where innovation and impact move together, this is that place.
We invest in our Sentinels with comprehensive, competitive benefits designed to support you and your family:
Equity & Rewards
Restricted Stock Units (RSUs)
Employee Stock Purchase Plan (ESPP)
Time Off & Wellbeing
Competitive leave benefits
Gender-neutral parental leave
Insurance & Financial Security
Medical and insurance benefits
Employee Assistance Program (EAP)
Work Perks & Flexibility
Global home office allowance
Internet allowance
LinkedIn Learning license
Social Connect program
Food allowance (Bangalore office)
Meal vouchers (Sodexo)
Wellness & Lifestyle
Health & wellness benefit
SentinelOne is proud to be an Equal Employment Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.
SentinelOne participates in the E-Verify Program for all U.S. based roles.