Principal software development engineer in test
Pubblicato il 21-08-2026 - Malwarebytes in Italia
Threat Down is looking for an experienced Mac Automation Quality Engineer with a strong background in endpoint security and mac OS platform testing. This role is ideal for someone who thrives in a fast-paced, multi-product environment, enjoys building scalable automation frameworks, and has a passion for uncovering complex platform and security-related issues. You'll work closely with Engineering, Product Management, and Security teams to ensure high-quality delivery across modern mac OS environments, while working on cutting‐edge endpoint security technologies, helping secure enterprise environments at scale, collaborating with highly technical engineering and security teams, influencing automation strategy and quality practices across multiple products, and gaining deep exposure to the mac OS security ecosystem and Apple Silicon platforms. What You Will Do Design, develop,
and maintain automated test suites using Python and Py Test Validate endpoint security functionality across mac OS releases and Apple Silicon platforms Debug and troubleshoot mac OS‐specific issues related to system behavior, sandboxing, permissions, and performance Analyze logs and diagnostics using mac OS tools such as Console, sysdiagnose, and spindump Collaborate closely with developers to isolate issues, validate fixes, and ensure compatibility with new mac OS versions Build and maintain test environments across physical Macs and virtualized mac OS infrastructure Execute and enhance automated and manual test coverage for endpoint security features Track, document, and prioritize defects with clear reproduction steps and analysis Drive improvements in automation coverage, regression stability, execution efficiency, and quality metrics Participate actively in Agile development processes and continuously improve QA methodologies and tooling Skills You'll Need To Have 5+ years of experience in Quality Engineering, Test Automation, or Software Validation Strong experience testing mac OS applicat