Senior macOS QA Engineer: Security & System-Level Testing

Sur; Bogotá; On-site; COP 204,896,000 - 245,425,000; Full time

Benefits offered by this job

PTO

Holidays

Job summary

Sur in Bogotá, Colombia is seeking a Senior macOS QA Engineer to validate the stability, security, and compatibility of a secure macOS platform protecting sensitive systems.

You will design and execute manual test plans, explore edge cases, reproduce issues efficiently, and work with cross-functional teams to triage and verify bugs and compatibility concerns. This hands-on role requires deep knowledge of macOS internals.

Qualifications

• 5+ years of QA experience with macOS applications, focusing on security, system-level, or compatibility testing.
• Strong understanding of macOS internals (System Extensions, Endpoint Security, XPC, TCC, SIP, Launch Services, file systems).
• Experience reading crash reports and debug logs to identify root causes.
• Ability to work independently and thoroughly investigate issues before escalation.
• Excellent written communication for clear test case documentation and bug reports.

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 OS integration points.
• 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 daemons.
• Collaborate 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.
• Work 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.
• Ability to read crash reports and debug logs and identify root causes.

Skills

macOS QA

Security testing

System-level testing

Exploratory testing

Bug reporting

Independent work

Tools

LLDB

Instruments

Console

Activity Monitor

dtrace

Job description

Sur in Bogotá, Colombia is seeking a Senior macOS QA Engineer to validate the stability, security, and compatibility of a secure macOS platform protecting sensitive systems.

You will design and execute manual test plans, explore edge cases, reproduce issues efficiently, and work with cross-functional teams to triage and verify bugs and compatibility concerns. This hands-on role requires deep knowledge of macOS internals.