Just wrapped up an Apple TPM interview process for a role on the silicon/hardware program management side. ICT5. Sharing because TPM interviews are weirdly under-documented compared to SWE.
First: Apple TPM roles are genuinely technical. More so than most companies. You need to understand the systems you're managing at a level that earns engineering respect. They're not looking for project managers with a technical veneer.
The loop. Recruiter screen, technical phone screen with a senior TPM, then a full onsite: two technical rounds, two program management rounds, one behavioral, one cross-functional.
Technical phone screen. They asked me to walk through a complex project I'd managed and then asked detailed technical questions about the system. Things like: how did the firmware update mechanism work, what were the dependencies between the hardware revision and the software stack, what would have broken if you'd shipped the previous version. They're testing whether you actually understood what you were managing.
Technical onsite rounds. Round 1: system design. Design the data pipeline for aggregating crash reports from iPhones at Apple's scale, including privacy considerations. The interviewer explicitly asked about differential privacy and on-device processing. Know these concepts. Round 2: technical trade-offs. They described a hardware/software co-design problem and asked how I'd structure the cross-team dependencies, what the critical path was, and how I'd manage the risk of a hardware slip slipping the software ship date. Very scenario-based.
PM rounds. These were about program health: how you track it, how you escalate, how you manage stakeholders who have competing priorities. Apple-specific things that came up: how you'd communicate a slip to senior leadership (they like directness), how you handle teams that say they're "on track" when the data says otherwise.
Behavioral. Standard Apple themes: autonomy, cross-functional collaboration, pushing back on leadership. One question I got: "tell me about a time you had to escalate something your manager didn't want to hear." Have a real story.
What I didn't expect. The hardware-software integration emphasis. If you're coming from a pure software TPM background, spend time understanding hardware program timelines, EVT/DVT/PVT cycles, what a tape-out is. Even if the role isn't hardware, Apple's products almost always touch hardware and the interviewers know it.