Senior Engineering Manager - Endpoint

The role

This is a player-coach role leading a multi-platform team of 10+ endpoint engineers. You will write production code and own the architecture and implementation for Mac, Windows, and the new Linux platform.

What you will do

• Contribute to design, architecture, and implementation for Mac and Windows platforms.
• Write and review production-quality systems code in C/C++, C#, or Swift/Objective-C.
• Own architecture decisions on agent design, kernel-userspace interaction, and MDM deployment.
• Lead design reviews as an author and key decision maker.
• Debug kernel panics, race conditions, and reliability issues.
• Lead, mentor, and grow a multi-platform team of 10+ endpoint engineers.
• Manage the full people management lifecycle including hiring, onboarding, and performance.
• Drive quarterly planning and sprint execution across platform teams.
• Own end-to-end delivery of the Linux endpoint agent.
• Partner with VP of Engineering, Product Management, and Security Research on roadmap.

Required qualifications

• 10+ years of software engineering experience in systems or endpoint engineering.
• 5+ years in an engineering management or tech lead role leading teams of 8 or more engineers.
• Deep expertise in at least one target platform: macOS (Endpoint Security framework, system extensions, IOKit, or macOS VFS), Windows (WDF/WDM driver development, filter drivers, or user-mode security
• Comfortable reading and writing production systems code in C/C++.
• Ability to own complex technical problems end-to-end while managing a team.
• Experience debugging kernel-level issues using tools like lldb, WinDbg, kgdb, ftrace, or perf.
• Track record of hiring and retaining senior engineering talent.
• Startup DNA.

Nice to have

• Experience with C# or Swift.
• Familiarity with DLP, EDR, or endpoint security products.
• Prior experience building a Linux endpoint or security agent from zero to production.
• Familiarity with enterprise MDM platforms (Jamf, Kandji, Workspace ONE, Intune).
• Experience with cross-platform agent architectures.
• Background in XDR/EDR platforms (CrowdStrike, SentinelOne, Microsoft Defender).
• Contributions to open-source systems or security projects.
• Experience leading QA/test engineering teams.

Benefits

• Base salary
• Bonus (for applicable roles)
• Stock options

About the company

Nightfall is an AI-native, unified data loss prevention and insider risk management platform. It is backed by leading VC firms including Bain Capital Ventures and Venrock.