Senior macOS QA Engineer - Remote

Overview

Our client is a US based security company looking for a Senior macOS QA Engineer. You will play a critical role in validating the stability, security, and compatibility of the company's technology for macOS. This is a deeply technical manual QA role requiring hands-on experience with macOS internals, system extensions, and application behavior. You will work alongside a highly experienced team of engineers and reverse engineers and will need to understand system-level behaviors to craft comprehensive test plans and exploratory test scenarios.

In Short

• Test macOS security features that span across system extensions, Endpoint Security, and Network Extension frameworks.
• Design and execute manual test plans for system extensions, inter-process communications (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/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 company and third-party macOS apps and services.
• Collaborate with SDETs to turn exploratory and regression cases into automation candidates.
• Maintain deep familiarity with changes in macOS releases and how they might impact functionality and compatibility.

Requirements

• Hands-on experience with macOS internals.
• Strong understanding of system extensions and application behavior.
• Experience in manual QA testing.
• Ability to craft comprehensive test plans.
• Investigative mindset for system behavior.
• Experience with bug triage and regression testing.
• Familiarity with macOS security features.
• Ability to collaborate with cross-functional teams.

Benefits

• Work with a highly experienced team.
• Opportunity to impact macOS technology.
• Flexible work environment.
• Competitive salary and benefits package.