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Sr. Model Engineer, Model Training

On-site
xAIPalo Alto, CA, US / Seattle, WA, US4 hours agoWebsite
FreshRecently funded
Senior
Model

Compensation

Salary undisclosed
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Description

BASIC QUALIFICATIONS:

  • Experience writing production-quality code in Python, PyTorch, JAX, Rust, or C++
  • Experience training large models (e.g., pretraining, post-training, fine-tuning, or RL training of neural networks with 1B+ parameters)

PREFERRED SKILLS AND EXPERIENCE:

  • Experience training models used by millions of users
  • Power user of AI models
  • You believe truth-seeking AI is the most important and challenging problem
  • You take pride in your work and thrive in meritocratic environments
  • You are obsessed about building incredibly useful models

COMPENSATION AND BENEFITS:

$180,000 - $600,000 USD

Base salary is just one part of our total rewards package at SpaceXSI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks.

Stack

PythonC++PyTorchFine-tuningRustJAXDeep Learning
Posted
Nov 2, 2026
Last seen
Nov 2, 2026
First seen
Nov 2, 2026

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