Senior macOS QA Engineer - Security & System Internals

Sur Global; Bogotá ciudad; On-site; COP 210,221,000 - 251,803,000; Full time

Benefits offered by this job

PTO and holidays

Job summary

Sur Global is seeking a Senior macOS QA Engineer to validate the stability, security, and compatibility of a secure macOS platform. This role is hands-on, manual and exploratory, focusing on system extensions, XPC, and low-level OS behavior.

You will work with a team of engineers and reverse engineers to design and execute test plans, reproduce edge cases, and triage issues across macOS versions. Requires 5+ years QA in macOS, strong internals knowledge, and EST availability.

Qualifications

• 5+ years of QA experience with macOS applications
• Strong understanding of macOS internals including System Extensions, Endpoint Security, XPC, TCC, SIP, Launch Services, and file systems
• Familiarity with macOS diagnostic tools such as Console, Activity Monitor, Instruments, fs_usage, dtrace, tcpdump, and lldb
• Experience testing low-level products like VPNs or endpoint security tools
• Ability to read crash reports and debug logs to identify root causes
• Ability to work independently and investigate issues thoroughly before escalating
• Excellent written communication for test case documentation and bug reports
• Availability to work during US Eastern Time (EST) business hours

Responsibilities

• Test macOS security features spanning system extensions, Endpoint Security, and Network Extension frameworks
• Design and execute manual test plans for system extensions, IPC (XPC), and OS integration points
• Explore 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
• Collaborate with development, support, product, and automation teams to triage, verify, and regress bugs
• Validate interactions between the platform and third-party macOS apps and services
• Work with SDETs to turn exploratory and regression cases into automation candidates
• Maintain familiarity with changes in macOS releases and their impact on functionality

Skills

macOS internals

System Extensions

XPC

TCC

SIP

Sandboxing

Bug reproduction

debug logs

Crash reports

Tools

Console

Activity Monitor

Instruments

fs_usage

dtrace

tcpdump

lldb

Job description

Sur Global is seeking a Senior macOS QA Engineer to validate the stability, security, and compatibility of a secure macOS platform. This role is hands-on, manual and exploratory, focusing on system extensions, XPC, and low-level OS behavior.

You will work with a team of engineers and reverse engineers to design and execute test plans, reproduce edge cases, and triage issues across macOS versions. Requires 5+ years QA in macOS, strong internals knowledge, and EST availability.