Senior Principal AI Engineer

🕒 August 6

🇺🇸 United States – Remote

⏰ Full Time

🟠 Senior

🤖 AI Engineer

👻 Ghost score 16%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Cerence Inc.

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 2019

💼 Consulting

📦 Logistics

🏭 Manufacturing

💰 Grant on 2020-12

Consulting • Logistics • Manufacturing

Cerence Inc. is a global company focused on providing AI-powered solutions, particularly in the automotive industry. They specialize in conversational and generative AI technologies that create intelligent, natural, and personalized interactions between humans and vehicles. With innovations like their proprietary automotive large language models, Cerence enhances user experiences across various forms of transport including cars, two-wheelers, and trucks. The company has over 500 million vehicles shipped with its AI technology, serving more than 80 OEMs and Tier 1 customers worldwide. Cerence is dedicated to continuous advancements in AI, aiming to revolutionize in-car user experiences through fast delivery and seamless integration of their solutions.

📋 Description

• Design and operate distributed training systems for large neural networks across GPU clusters • Optimize multi-node, multi-GPU execution for throughput and utilization • Diagnose and resolve compute, memory, and networking bottlenecks • Improve training stability and fault tolerance at scale • Partner with research and applied ML teams to productionize large-model training pipelines • Build and optimize GPU cluster orchestration with Slurm, Kubernetes, Ray, and RunAI • Ensure efficient scheduling, isolation, and fairness across training workloads • Optimize and debug distributed communication using NCCL, RDMA, InfiniBand, and NVLink • Scale large-model training with PyTorch Distributed, Megatron-LM, and DeepSpeed • Own multi-node launch configurations, failure recovery, and performance tuning • Apply activation checkpointing, ZeRO Stage 1–3, and offload strategies • Balance compute, memory, and communication to increase model size and batch scale • Eliminate GPU utilization, networking, communication, instability, and large-scale training failure modes • Enable larger models, faster iteration cycles, and more reliable research-to-production pipelines

🎯 Requirements

• Deep hands-on experience with distributed systems or ML systems • Experience running large-scale workloads on GPU clusters • Production experience with PyTorch distributed training • Strong understanding of data, tensor, and pipeline parallelism • Low-level understanding of GPU communication and networking • Experience with Slurm, Kubernetes, Ray, and RunAI • Experience with NCCL, RDMA, InfiniBand, and NVLink • Experience with PyTorch Distributed, Megatron-LM, and DeepSpeed • Experience with activation checkpointing, ZeRO Stage 1–3, and offload techniques • Experience working with large language models or foundation models is a strong plus • Deep systems expertise valued over pure model architecture experience