Endpoint Engineer - Mac OS

About the Company

Nightfall is the AI-native, unified data loss prevention and insider risk management platform that protects sensitive data across SaaS apps, GenAI tools, email, endpoint devices, and more. Nightfall is backed by leading VC firms including Bain Capital Ventures, Venrock, WestBridge Capital, and Pear VC.

Responsibilities

• Designing and developing data exfiltration prevention apps, system extensions, and services on MacOS
• Maintaining and evolving mission-critical agents on endpoints
• Owning complex features from design to delivery and troubleshooting customer issues

Requirements

• 5+ years of related work experience
• Expertise in Objective-C or Swift on MacOS
• Practical development experience with Endpoint Security System Extension on MacOS
• Experience with kernel-level debugging processes and tools
• Ability to navigate and debug complex code with strong attention to detail
• Experience with OS-level research

Preferred Qualifications

• Knowledge of IOKit and the MacOS VFS model
• Ability to use reverse engineering techniques and debugging of kernel space code