Senior MacOS QA Engineer

As the Senior macOS QA Engineer, you will be responsible for validating the stability, security, and compatibility of a secure macOS platform used to protect sensitive systems. You will work alongside a team of engineers and reverse engineers to design and execute manual test plans that dig into system extensions, inter process communication, and low level operating system behavior. This is a hands-on, investigative role suited to someone who enjoys uncovering edge cases and understanding how complex systems truly work.

Responsibilities

•   Test macOS security features spanning system extensions, Endpoint Security, and Network Extension frameworks

•   Design and execute manual test plans for system extensions, inter process communication, and low level operating system integration points.

•   Explore and document edge cases, race conditions, compatibility scenarios, and regressions across macOS versions.

•   Reproduce and isolate complex issues related to sandboxing, SIP and TCC interactions, launch services, and daemon behaviors.

•   Work directly with development, support, product, and automation teams to triage, verify, and regress bugs and compatibility issues.

•   Validate interactions between the platform and third party macOS apps and services.

•   Collaborate with SDETs to turn exploratory and regression cases into automation candidates.

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