macOS Python AQA Engineer in Cybersecurity

About the Role 

We are looking for an experienced Mac Automation Quality Engineer with a strong background in endpoint security and macOS 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 macOS environments. 

What You’ll Do 

• Design, develop, and maintain automated test suites using Python and PyTest 
• Validate endpoint security functionality across macOS releases and Apple Silicon platforms 
• Debug and troubleshoot macOS-specific issues related to system behavior, sandboxing, permissions, and performance 
• Analyze logs and diagnostics using macOS tools such as Console, sysdiagnose, and spindump 
• Collaborate closely with developers to isolate issues, validate fixes, and ensure compatibility with new macOS versions 
• Build and maintain test environments across physical Macs and virtualized macOS 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 

Required Qualifications 

• 5+ years of experience in Quality Engineering, Test Automation, or Software Validation 
• Strong experience testing macOS applications or endpoint security products 
• Deep understanding of macOS internals, logging, and diagnostic tooling 
• Hands-on experience with Python, PyTest, Bash scripting, and Git 
• Experience with CI/CD and build systems such as Azure DevOps, Jenkins, GitLab, or TeamCity 
• Experience with macOS virtualization platforms including VMware, UTM, or Tart 
• Strong analytical, debugging, and troubleshooting skills 
• Excellent written and verbal communication skills 

Preferred Qualifications 

• Experience with Apple Endpoint Security Framework (ESF), MDM platforms, or mobileconfig profiles 
• Experience testing EDR, antivirus, or endpoint protection technologies 
• Familiarity with CI/CD automation pipelines and infrastructure testing 
• Networking knowledge including REST APIs, TCP/IP, DNS, DHCP, and Active Directory 
• Linux/Unix administration experience 
• Enterprise IT administration experience including software deployment, security policies, backups, and multi-user environments 
• Strong object-oriented programming fundamentals