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Copy of Research Scientist / Engineer – Training Infrastructure

Luma AILondon, UKResearch & AI
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Salary
Not listed
Job type
Full-time
Work mode
Remote
Experience
Senior
Posted
8 Oct 2026
Status
Open · checked 7d ago

About this role

The Research Scientist / Engineer – Training Infrastructure role at Luma AI in London, UK suits an engineer with a background in solving real foundation-model training challenges at scale. Candidates will focus on building robust distributed systems to support large-scale multimodal models across thousands of GPUs.

Role Overview

Luma AI is hiring a Research Scientist / Engineer for its Training Infrastructure team located in London, UK. This full-time position centers on constructing distributed systems that allow researchers to innovate on top of efficient and reliable infrastructure.

Key Responsibilities

Design, build, and optimize efficient distributed training systems for models across thousands of GPUs.
Research and deploy advanced parallelization methods such as FSDP, Tensor Parallel, Pipeline Parallel, and Expert Parallel.
Develop debugging, monitoring, and visualization tools intended for large-scale training sessions.
Enhance resource utilization, training stability, and convergence across massive clusters.

Requirements

Extensive background in distributed PyTorch training and parallelisms within foundation-model training.
Comprehensive knowledge of GPU clusters, storage systems, and networking.
Familiarity with distributed-system optimization and communication libraries including NCCL and MPI.

Nice to Have

Strong background in Linux scripting and systems administration.
Practical experience managing training runs across more than 100 GPUs.
Experience working with cloud infrastructure, orchestration, and containerization.

Skills and Tools

PyTorch
CUDA
FSDP
Tensor Parallel
Pipeline Parallel
Expert Parallel
NCCL
MPI
Linux

About the Company

Luma AI operates as an equal opportunity employer with a mission to develop unified general intelligence capable of generating, understanding, and operating within the physical world. The company emphasizes multimodality and vision as the next step beyond standard language models.

How to Apply

Interested candidates should apply on the official company careers page.

Skills and tech stack

Questions candidates ask

Where is the position located?

The role is based in London, UK.

What core technologies are used in this role?

The work involves PyTorch, CUDA, distributed-systems frameworks, FSDP, NCCL, and MPI.

What are the primary responsibilities?

Responsibilities include designing distributed training systems across thousands of GPUs, implementing advanced parallelization, building monitoring and debugging tools, and optimizing training stability.

What experience is considered a plus?

Helpful experience includes Linux systems administration, managing training runs across 100+ GPUs, and working with containerization, orchestration, and cloud infrastructure.

Ready to apply?

The application is on the official Luma AI careers page.

Apply on company site