Principal Engineer, Apple Cloud Object Storage (ACOS), Storage Infrastructure
Core
Architecting and operating exabyte-scale geo-distributed object storage systems for iCloud and Apple services, focusing on encoding, durability, performance tiering, and capacity management.
Role type
Principal Storage Infrastructure Engineer
Builds
Exabyte-scale object storage clusters serving billions of daily requests
Domain
Cloud Storage Infrastructure / Distributed Systems
Required skills
Erasure coding, Replication strategies, Data placement algorithms, Consensus protocols, Capacity planning, Performance tuning, Hardware lifecycle management, AI/ML workload optimization, Incident response, Technical strategy
Preferred skills
Heterogeneous drive management, Cost optimization, Multi-year roadmap planning, Executive communication
Technologies
Reed-Solomon, Local Reconstruction Codes, HAMR, SMR, QLC, Paxos, Raft, Ceph, S3, Colossus
Responsibilities
Define multi-year architecture and roadmap for storage encoding and data placement; Synthesize hardware trends and research into reliability strategies; Mentor senior engineers and lead high-consequence system designs; Broker technical decisions across hardware partners, SRE, and stakeholders.
Seniority
Principal, hands-on IC with strategic influence
