Senior Software 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.

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.

We are seeking a highly motivated and enthusiastic Senior (techlead-level) Test Automation Engineer to join our SaaS Platform Validation (Quality Engineering) team. In this pivotal role, you will be instrumental in ensuring the quality, reliability, and performance of our SaaS products. You will lead validation efforts, define test strategies, and work closely with development and product teams to deliver exceptional user experiences. As a member of our team, you will take full responsibility for the design, implementation, and maintenance of both Back-End and Front-End automated tests. for our Singularity SaaS platform - our largest customer-facing service, used by over 1 million users at our 15,000 B2B/B2G customers, deployed across over 6 regions and 2 cloud service providers (AWS/GCP), and handling hundreds of billions of security events a day. We're looking for a new team member who is versatile and knows exactly how to improve processes and make them more efficient to make sure we have a winning product. As our new ideal colleague you should have a strong technical background in software automation development, see the big picture and have the “can do” attitude.

What will you do?

• Lead the design, development, and execution of comprehensive validation plans and test strategies for our Console and SaaS services.

• Collaborate with product management, development, and other stakeholders to understand requirements and translate them into effective test cases.

• Design, develop, and maintain automated test frameworks in Python (Pytest) and/or TypeScript (Playwright) to enhance testing efficiency and coverage.

• Integrate AI-powered tools and workflows into the validation lifecycle to automate test triaging, PR analysis, and reduce manual QA tasks.

• Leverage Generative AI and LLMs to optimize test case generation, improve test coverage, and boost overall team productivity.

• Utilize Docker for containerization to create consistent testing environments.

• Manage and execute tests in cloud