Principal MacOS Security Engineer — Endpoint Protection

Malwarebytes; Ireland; Remote; EUR 90,000 - 110,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Employee Referral Bonus Program

Wellness programs

Comprehensive Time Off policy

Job summary

ThreatDown is seeking a Principal Software Developer (MacOS) to design and build enterprise-grade endpoint protection for macOS. You will develop new products, contribute to toolchains, and analyze threat data to stay ahead of attackers.

Join a high-velocity team delivering impactful security solutions to thousands of enterprise users in an Agile environment. You will mentor peers and expand your expertise in macOS internals and security practices.

Qualifications

• Proficiency in Swift and/or Objective-C required.
• Experience with Apple System Extensions and Network Extension frameworks.
• Strong OO design and coding skills in macOS environments.
• Experience with macOS data management, networking, and system integrations.
• Ability to debug and optimize macOS apps for performance and reliability.
• Familiarity with Foundation, Xcode, Instruments, LLDB.
• Knowledge of macOS security, code signing, entitlements, sandboxing, notarization.

Responsibilities

• Develop new and exciting products in the fight against malware.
• Build enterprise-grade endpoint protection for macOS.
• Design and develop tools to support ThreatDown initiatives.
• Collect and process data/metrics to track emerging threats.
• Collaborate with developers; document, unit-test, and peer review.
• Work in an Agile environment with cross-functional teams.
• Pursue excellence while building new skills and meeting goals.

Skills

Object-oriented development

System Extensions

Network Extension frameworks

Swift

Objective-C

macOS backend

Data management

Networking

System integrations

Debugging & performance

Foundation/Xcode

macOS security & notarization

Job description

ThreatDown is seeking a Principal Software Developer (MacOS) to design and build enterprise-grade endpoint protection for macOS. You will develop new products, contribute to toolchains, and analyze threat data to stay ahead of attackers.

Join a high-velocity team delivering impactful security solutions to thousands of enterprise users in an Agile environment. You will mentor peers and expand your expertise in macOS internals and security practices.