Mac Infrastructure Engineer

Namespace is seeking a Mid-level Mac Infrastructure Engineer in Switzerland to build and optimize its macOS virtualization platform, focusing on performance, VM lifecycle, and fleet scheduling.

This position centers on the core virtualization layer that powers the macOS platform at Namespace. The engineer will own critical components that allow developers to launch isolated macOS environments rapidly, directly impacting product development speed by removing build and test delays.

Responsibilities

• Develop a macOS virtualization platform by maximizing the capabilities of Apple's Virtualization.framework, specifically targeting improvements in performance, cold-start times, and density.
• Manage the entire Mac-specific layer, including VM lifecycle, host integration, and the storage and image pipeline for fast cloning and snapshotting.
• Address technical challenges by leveraging hands-on experience with virtualization technologies such as Virtualization.framework, KVM, QEMU, or similar tools.
• Collaborate with and enhance the fleet scheduler to efficiently place an increasing number of VMs across the Apple Silicon fleet.

What the company offers

• Competitive salary and stock options.
• Flexible working hours.
• Market-leading parental leave.

About the company

Namespace fosters a culture of grit, curiosity, ownership, and a strong bias to execution, emphasizing quick shipping and iteration. The team is small and composed of experts who can achieve a lot. The company balances long-term vision with short-term pragmatism and is fully transparent internally on decision-making and company performance to drive decisions.

• Values grit, curiosity, ownership, and a strong bias to execution.
• Small team of experts who can achieve a lot.
• Balances long-term vision with short-term pragmatism.
• Fully transparent internally on decision-making and company performance.