Apple Interview

From the job listing from Apple's job website:
The 3D graphics software group is responsible for providing the interface and architecture for developers to access 3D software and hardware on Mac OS X. We're looking for a top-notch engineer that can help make the 3D program at Apple be a success. This person must be a self-motivated individual with a strong interest in 3D graphics.
Responsibilities include:
• Debug and maintain OpenGL
• Design OpenGL extensions
• Develop OpenGL pipeline optimizations
• Design the future 3D graphics architecture
This is a challenging and exciting position at Apple. A technical BS/MS degree plus experience in 3D graphics programming required. Knowledge of OpenGL required. Excellent communication skills required.