Principal macOS Security Engineer - Remote LATAM

Darwoft; United States; Remote; USD 160,000 - 220,000; Full time

Benefits offered by this job

Contractor agreement in USD

100% remote work

Job summary

Darwoft is seeking a Principal macOS Systems & Security Engineer to work on an international cybersecurity project focused on identity assurance and enterprise endpoint security. This role goes beyond traditional app development, delving into OS-level components and secure, privileged services.

You’ll design and evolve security-sensitive features using Swift/Objective-C/C++, collaborate with cross-functional teams, and influence architecture while operating as a senior individual

Qualifications

• 10+ years of professional software engineering experience on macOS or similar systems
• Deep knowledge of macOS internals, operating system behavior, processes, permissions, and security architecture
• Strong programming experience with Swift and/or Objective-C, plus solid C/C++ knowledge
• Hands‑on experience beyond traditional application layer development
• Experience with macOS technologies listed (XPC, Keychain, System Extensions)

Responsibilities

• Design, build, and evolve low-level macOS software components
• Develop security-sensitive functionality for authentication and endpoint protection
• Work with native macOS technologies like XPC, Launch Agents/Daemons, Keychain, System Extensions
• Build and maintain privileged services and secure IPC
• Contribute to integration with Apple Endpoint Security Framework and other security mechanisms
• Collaborate with backend/platform teams on secure REST/HTTP communication
• Mentor engineers and provide guidance on platform-level problems
• Research Apple APIs and security mechanisms

Skills

Swift

Objective-C

C/C++

macOS internals

Security architecture

English proficiency

Tools

XPC

Launch Agents

Launch Daemons

Keychain Services

Authorization Services

System Extensions

Job description

Darwoft is seeking a Principal macOS Systems & Security Engineer to work on an international cybersecurity project focused on identity assurance and enterprise endpoint security. This role goes beyond traditional app development, delving into OS-level components and secure, privileged services.

You’ll design and evolve security-sensitive features using Swift/Objective-C/C++, collaborate with cross-functional teams, and influence architecture while operating as a senior individual