Senior MacOS QA Engineer

Sur Global

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

Posted 9/15/2026full-timeRemote • PortugalSenior💰 $6,500 per monthWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in QA for macOS applications, focusing on security and compatibility testing, with a strong understanding of macOS internals and diagnostic tools. Capable of designing and executing test plans while effectively collaborating with cross-functional teams to ensure product quality.

Highest-signal resume keywords

5+ Years QA ExperienceMacOS Internals KnowledgeSystem Extensions TestingCrash Report AnalysisExcellent Written Communication

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

QA TestingSecurity TestingCompatibility TestingSystem Level TestingTest Plan DesignDebuggingRoot Cause Analysis

Soft Skills

Independent InvestigationCollaboration

Tools & Technologies

ConsoleActivity MonitorInstrumentsFs_usageDtraceTcpdumpLldb

Industry Keywords

MacOS ApplicationsEndpoint SecurityVPNsAntivirus SoftwareInter Process CommunicationSandboxingSIPTCCLaunch Services

Tech Stack

Tools & technologies

MacOS

About the role

Key responsibilities & impact

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 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.

Requirements

What you’ll need

5+ years of QA experience with macOS applications, with a focus on security, system level, or compatibility testing.
Strong understanding of macOS internals, including System Extensions, Endpoint Security, XPC, TCC, SIP, Launch Services, and file systems.
Familiarity with macOS diagnostic and monitoring tools such as Console, Activity Monitor, Instruments, fs_usage, dtrace, tcpdump, and lldb.
Experience testing low level products such as VPNs, endpoint security tools, or antivirus software.
Ability to read crash reports and debug logs and identify root causes.
Ability to work independently and investigate issues thoroughly before escalating.
Excellent written communication for clear test case documentation and bug reports.
CVs must be submitted in English.

Benefits

Comp & perks

Compensation: $6,500 USD per month
PTO and Holidays