Senior macOS Security QA Engineer (Manual & Exploratory)

Sur

United States

Remote

USD 62,000 - 83,000

Full time

3 days ago

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Job summary

Sur is seeking a Senior macOS QA Engineer to validate the stability, security, and compatibility of a secure macOS platform. This is a hands-on manual and exploratory QA role emphasizing deep macOS internals experience and system extensions.

You will design and execute manual test plans, investigate edge cases, and collaborate with engineers to triage, verify, and regress issues across macOS versions. Must work during US EST hours and communicate findings clearly.

Qualifications

5+ years of QA experience with macOS applications, focusing on security, system-level, or compatibility testing.

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 (XPC), and low-level OS 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 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.
Maintain familiarity with changes in macOS releases and their impact on functionality and compatibility.