MacOS Cyber Security Engineer, Endpoint Security – C++, Swift

Inabia Solutions and Consulting, Inc.

. Work on the macOS sensor for CrowdStrike Falcon, an on-device security agent .

Posted 11/11/2026contractRemote • United StatesMid-LevelSenior💰 $65 - $70 per hourWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in macOS systems programming, including modern C++ and Swift, with a focus on developing secure, high-performance applications. Proficient in debugging, profiling, and implementing security measures across multiple platforms.

Highest-signal resume keywords

Modern C++ (C++17/20)Swift 6 DevelopmentMacOS Systems ProgrammingEndpoint Security and System ExtensionsNetwork Extension Development

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

C++SwiftObjective-C++MacOS Systems ProgrammingProfiling with InstrumentsDebugging with LLDBXCTestNetwork.frameworkIPC using launchd and XPCPerformance Optimization

Tools & Technologies

XcodeInstrumentsOs_signpostJamfIntune

Industry Keywords

CrowdStrike FalconEDR/AVDevice ManagementSecurity and CryptographyApple SiliconIntel

Tech Stack

Tools & technologies

CloudJamfLinuxMacOSObjective-CSwiftC++

About the role

Key responsibilities & impact

Work on the macOS sensor for CrowdStrike Falcon, an on-device security agent
Monitor file, process, network, and identity activity
Block malicious behavior and stream telemetry to the cloud
Develop and maintain user-space System Extension code
Build highly concurrent, reliable code with careful memory, CPU, and performance optimization
Work with code shared across Mac, Windows, and Linux
Implement or maintain process models and IPC using launchd and XPC
Handle Endpoint Security blocking (AUTH) and notification events, approvals, and upgrades
Develop Network Extension content and packet filters using Network.framework
Implement code-signature and certificate validation, Keychain, entitlements, hardened runtime, and macOS privacy permissions
Support IOKit, DiskArbitration, installers, notarization, and MDM deployment through Jamf, Intune, or similar tools
Optionally develop SwiftUI and AppKit apps and app extensions
Test against macOS and Xcode betas and ship EDR/AV, network security, or device-management products

Requirements

What you’ll need

6-10 years of experience; more senior experience may be evaluated
U.S. Citizen (USC) or Green Card (GC) holders only
Modern C++ (C++17/20)
Swift 6, including async/await, actors, and strict concurrency checking
Objective-C++ for bridging Swift, C++ and C APIs
macOS systems programming with Foundation, CoreFoundation, GCD, pthreads, POSIX/BSD APIs, Mach IPC, launchd, and XPC
Profiling CPU and memory with Instruments and os_signpost
Debugging with LLDB, crash logs, and os_log
XCTest, sanitizers, fuzzing, and xcodebuild-based CI
Apple Silicon and Intel experience
Experience with codebases shared across Mac, Windows, and Linux
Experience in one or more core areas: Process model and IPC; Endpoint Security and System Extensions; Network Extension; security and cryptography; devices and storage; packaging and deployment; performance, debugging, and testing