MacOS Systems Engineer: IPC, Security & Performance

Cloud Integrator Inc; United States; On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

SwiftUI experience

AppKit apps and extensions

EDR/AV security project exposure

Job summary

Cloud Integrator Inc. seeks a skilled macOS systems programmer to design and implement low-level components using launchd, XPC, and Endpoint Security. You will work across Apple frameworks, ensure secure code signing and hardened runtimes, and contribute to cross-platform tooling.

Responsibilities include performance profiling, debugging with LLDB, and collaborating on CI pipelines, notarization, and MDM deployments for macOS environments.

Qualifications

• Proficiency in macOS systems programming including IPC with launchd and XPC.
• Strong knowledge of Endpoint Security clients and MDM workflows.
• Experience with Network Extension and System Extensions APIs.
• Expertise in code signing, entitlements, hardened runtime and macOS privacy permissions.
• Familiarity with IOKit and DiskArbitration APIs and Apple deployment tooling.

Skills

Launchd daemons

XPC/ NSXPCConnection

Endpoint Security

Network Extension

Security & crypto

Code signing

Keychain

Hardening

IOKit

DiskArbitration

Notarization

MDM deployment (Jamf/Intune)

Profiling & performance

LLDB debugging

XCTest & CI

Tools

Xcode

Instruments

LLDB

Jamf

Intune

NetworkExtension framework

Job description

Cloud Integrator Inc. seeks a skilled macOS systems programmer to design and implement low-level components using launchd, XPC, and Endpoint Security. You will work across Apple frameworks, ensure secure code signing and hardened runtimes, and contribute to cross-platform tooling.

Responsibilities include performance profiling, debugging with LLDB, and collaborating on CI pipelines, notarization, and MDM deployments for macOS environments.