Senior Automation Engineer- Cloud Security

About Us

At SentinelOne, we’re redefining cybersecurity by pushing the limits of what’s possible—leveraging AI-powered, data-driven innovation to stay ahead of tomorrow’s threats.

From building industry-leading products to cultivating an exceptional company culture, our core values guide everything we do. We’re looking for passionate individuals who thrive in collaborative environments and are eager to drive impact. If you’re excited about solving complex challenges in bold, innovative ways, we’d love to connect with you.

What are we looking for?

We are seeking a detail-oriented and highly skilled QA Automation Engineer / Senior Software Engineer in Test to join our dynamic team. Your role will involve ensuring the quality and reliability of our software products through rigorous automated testing, continuous integration, and continuous deployment (CI/CD) processes.

Your work will be vital in enhancing our flagship Cloud Security productline - capable of security cloud environments & assets from DEV to PROD, from buildtime to runtime; and maintaining the performance of our high-scale product. Our solution operates across multiple clouds and regions, handling billions of events daily from tens of millions of endpoints we protect globally, including 4 of the Fortune 10 and hundreds of Global 2000 companies.

What will you do?

• Develop, maintain, and execute automated test scripts using Python and Pytest.
• Design and implement automated testing frameworks and strategies.
• Collaborate with development, DevOps, and product teams to ensure seamless integration and deployment.
• Utilize Docker for containerization to create consistent testing environments.
• Manage and execute tests in cloud environments including AWS, GCP, and Azure; and orchestration via Kubernetes.
• Identify, document, and track defects and issues, working closely with developers for resolution.
• Continuously enhance test strategies to improve coverage, efficiency, and effectiveness.
• Perform code reviews and ensure adherence to best practices in testing and automation.
• Stay updated with the latest industry trends and advancements in QA automation and cloud technologies.

What skills & knowledge should you bring?

• Bachelor's degree in Computer Science, Engineering, or a related field.
• Proven experience in developing QA automation using Python and Pytest (or similar programming languages such as Java).
• Familiarity with Docker for containerization and creating isolated testing environments.
• Hands-on experience with cloud platforms (AWS, GCP, Azure).
• Familiarity with CI/CD tools such as Jenkins, Git, ArgoCD, GitHubActions, or GitLab.
• Strong understanding of software testing principles, methodologies, and best practices.
• Excellent problem-solving skills and attention to detail.
• Ability to work independently and collaboratively in a fast-paced environment.
• Strong communication skills, both verbal and written.

Why Us? 

Join a cutting-edge company tackling extraordinary challenges alongside top industry talent. Enjoy flexible hybrid work in Prague (Karlin), Brno (Clubco), or remotely across CZ/SK.

Competitive Benefits Package:

• Stock & Bonuses: Grant of Restricted Stock Units with a 4-year vesting plan, annual performance-based bonuses, and an employee stock purchase plan.
• Time Off & Well-being: Flexible Time Off, on top of the standard 5 weeks vacation, flexible paid sick days, fully paid Short Term Sick/Nursing Leave, 16-week parental leave, grandparent leave, and additional company holidays.
• Health & Insurance: Private medical care (for you and +1), premium life insurance, pension contribution, and a Global Employee Assistance Program.
• Work Perks: Monthly meal and well-being allowance, high-end MacBook/Windows laptop, work-from-home support, and in-office refreshments.
• Growth & Community: LinkedIn Learning, internal mentoring, educational support, generous referral bonuses, and optional company events (sports, BBQs, charity).

Be part of an inclusive, innovative workplace that values belonging, flexibility, and growth!

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.