Endpoint Engineer – Mac OS

Nightfall AI

Endpoint Engineer developing data exfiltration prevention applications on MacOS for Nightfall's platform. Requires expertise in Objective-C or Swift and a minimum of 10 years of experience.

Posted 7/21/2026full-timeBengaluru • 🇮🇳 IndiaSeniorLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Objective-C and Swift for MacOS development, with a strong focus on creating and maintaining data exfiltration prevention applications and system extensions. Proven ability to lead significant projects and deliver well-tested, high-quality code while navigating complex debugging processes.

Highest-signal resume keywords

Objective-C ExpertiseSwift ExpertiseMacOS Endpoint Security System Extension DevelopmentKernel-Level DebuggingProject Leadership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Data Exfiltration Prevention Apps DevelopmentSystem Extensions DevelopmentAgent Development on MacOSOS-Level ResearchReverse Engineering Techniques

Soft Skills

Problem SolvingAttention to DetailResult OrientedAdaptability in Dynamic Environments

Tools & Technologies

Kernel Debugging ToolsIOKitMacOS VFS Model

Industry Keywords

Mission-Critical AgentsComplex Feature OwnershipConcise Code WritingDebugging Processes

Tech Stack

Tools & technologies

MacOSObjective-CSwift

About the role

Key responsibilities & impact

Designing and developing data exfiltration prevention apps, system extensions, and services on MacOS
Maintaining and evolving mission-critical agents on endpoints.
Own complex features from design to delivery and troubleshoot issues from customers.

Requirements

What you’ll need

Expertise in one of the following: Objective-C, Swift on MacOS
Demonstrable expertise in developing agents on one of MacOS
On MacOS, practical development experience with Endpoint Security System Extension is required. A plus will be knowledge of IOKit and of MacOS VFS model.
Proven experience of leading or being important individual contributor for one or more significant projects.
Consistently write concise and very well tested code.
You can navigate and debug a complex code using the tools available and you have very strong attention to details.
You can do OS-level research.
Experience with kernel-level debugging processes and tools. Ability to use reverse engineering techniques and debugging of kernel space code is an advantage.
You enjoy working in a dynamic environment and you are result oriented.
You are the problem solver and like challenging tasks.
Minimum 10+ years of related work experience.

Benefits

Comp & perks

Employee compensation will be determined based on interview performance, level of experience, specialization of skills, and market rate. During the offer discussion, your recruiter will review the finalized base salary, bonus (for applicable roles), benefits & perks, and stock options as they’ll be reflected in the offer letter.