Sr. Model Engineer, Model Training
xAI · Palo Alto, CA; Austin, TX; New York, NY; Seattle, WA · Austin, TX · New York, NY · Palo Alto, CA · Seattle, WA
Frontier labonsitesenior$180k–$600k
At a glance
Highlights
- Build the full Super Intelligence stack from Colossus to Grok models.
- Train models that power Grok Bot, Build, Imagine, Voice and X.
- Help humanity understand the universe and make life multiplanetary.
What they offer
- equity
- medical coverage
- vision coverage
- dental coverage
- 401(k) retirement plan
- short-term disability insurance
- long-term disability insurance
- life insurance
Ideal candidate
You are obsessed with building incredibly useful, truth-seeking AI and take pride in your work. You thrive in meritocratic environments and are a power user of AI yourself.
Requirements
- Experience writing production-quality code in Python, PyTorch, JAX, Rust, or C++
- Experience training large models with 1B+ parameters including pretraining, post-training, fine-tuning, or RL
- Experience training models used by millions of users
- Power user of AI models
Lab profile
About xAI
Builds AI systems to understand the universe and advance human knowledge.
Known for
- Engineering excellence focus
- Large-scale data center operations
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