Nightfall AI · 1 month ago
Endpoint Engineer (MacOS & Windows)
United States
Full-time
Remote
Senior Level
5+ years expNightfall AI is an AI-native platform focused on data loss prevention and insider risk management. The Endpoint Engineer role involves delivering features for a cutting-edge endpoint product while ensuring reliability and security, specifically dealing with data exfiltration prevention on MacOS and Windows.
AnalyticsArtificial Intelligence (AI)Cloud Data ServicesData Center AutomationMachine LearningSaaS
Responsibilities
Designing and developing data exfiltration prevention apps, drivers, system extensions and services on MacOS or Windows
Maintaining and evolving mission-critical agents on endpoints
Own complex features from design to delivery and troubleshoot issues from customers
Designing and building secure software with cross-platform deliverables (Windows, MacOS)
Writing and maintaining documentation about internal and public services
Qualification
Required
Expertise in one of the following: Objective-C, Swift on MacOS or C/C++ on Windows
Demonstrable expertise in developing agents on one of MacOS or Windows
On MacOS, practical development experience with Endpoint Security System Extension is required
On Windows, practical development experience with WDF (Windows Driver Frameworks), filter drivers and familiarity with user mode apps is required
Readiness to learn other systems languages (e.g. Rust, Go, Python)
Experience with kernel-level debugging processes and tools
Ability to use reverse engineering techniques and debugging of kernel space code
Ability to decompose complex business problems and own them end to end across teams
Minimum 5+ years of related work experience
Preferred
Knowledge of IOKit and of MacOS VFS model
Prior experience in Rust, Go, Python
Company
Nightfall AI
Nightfall AI the AI-native, all-in-one data loss prevention platform.
51-200 employees
H1B Sponsorship
Nightfall AI has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (3)
2024 (5)
2023 (5)
2022 (3)
2021 (2)
2020 (1)
Funding
Current Stage
Growth StageTotal Funding
$60.3MKey Investors
WestBridge Capital
2022-08-10Series B· $40M
2019-11-07Series A· $20.3M
2018-11-26Seed
Leadership Team
Rohan Sathe
Co-Founder & CEO
Isaac Madan
Co-Founder & President
Recent News
Venrock
2025-12-23
2025-11-19
Company data provided by crunchbase