Accenture · Kirkland, WA, United States
Skills: Swift
Contractor Opportunity: macOS Systems Software Engineer
Location: Onsite – Kirkland, WA
Engagement Type: Contractor via Third-Party Supplier
Contracting Entity: Accenture
Supplier of Record: Vendorpass
Start Date: 12/1/2026
Duration: 06 Months with potential for extension
About the Role
We are seeking an experienced macOS Systems Software Engineer to help develop and enhance the macOS sensor for CrowdStrike Falcon, an on-device security agent responsible for monitoring file, process, network, and identity activity, blocking malicious behavior, and securely streaming telemetry to the cloud.
In this role, you will build high-performance, highly reliable security software that operates entirely in user space as a macOS System Extension.
You will work in a complex, highly concurrent environment using modern C++, Swift, and Objective-C++, contributing to capabilities shared across macOS, Windows, and Linux while maintaining a strong focus on performance, memory efficiency, reliability, security, and quality.
This opportunity is open to individuals located in the Kirkland WA, and surrounding areas.
Contractors will be engaged and paid by a third-party payroll supplier, Vendorpass, which will serve as the employer of record for tax and compliance purposes.
Key Responsibilities
Core Duties
Design, develop, debug, and maintain macOS system-level security capabilities using C++17/20, Swift 6, and Objective-C++, including safe bridging between Swift, C++, and C APIs. Develop highly concurrent and reliable components using Foundation/CoreFoundation, GCD, pthreads, POSIX/BSD APIs, Mach IPC, launchd, and XPC. Build and enhance endpoint and network security functionality using technologies such as Endpoint Security, System Extensions, Network Extension, Network.framework, code-signing/certificate APIs, Keychain, IOKit, and DiskArbitration, as applicable to assigned work. Diagnose and optimize CP …truncated… ive suite of benefits including ACA Compliant Medical, dental, vision, Flexible Spending…
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