MLOps Engineer (JAX, PyTorch, Triton) at Mercor

MLOps Engineer | $100–140/hr | Remote (US) | W-2 Contract

Join a leading AI lab's cutting-edge GenAI team and play a central role in building foundational Large Language Models from the ground up. This W-2 contract position, employed through Cincinnatus LLC, places you directly within an elite AI lab's extended workforce — working on some of the most advanced ML infrastructure in the industry.

Key Responsibilities

• Guide research and engineering teams to close knowledge gaps and improve AI model performance across MLOps, training infrastructure, and ML framework-level topics.
• Design challenging, domain-relevant tasks and write accurate, well-structured solutions to MLOps and ML systems problems.
• Evaluate MLOps tasks and solutions, providing clear and detailed written technical feedback.
• Develop guidelines, rubrics, and evaluation frameworks to assess training pipeline design, distributed systems reasoning, and kernel-level optimization.
• Collaborate with subject matter experts to ensure consistency and accuracy in training data.

Core Qualifications

• 2+ years of dedicated professional experience in ML infrastructure, MLOps, or ML systems engineering at a recognized, top-tier organization.
• Hands-on production experience with JAX and/or PyTorch at scale.
• Experience writing or optimizing custom GPU kernels using Pallas (JAX) or Triton.
• Demonstrable career progression in ML engineering or related fields.
• Availability to engage reliably for at least 30 hours/week during weekdays.
• Strong written communication skills with the ability to explain complex technical decisions clearly.

About Cincinnatus LLC

Cincinnatus LLC is an enterprise staffing company partnering with leading technology organizations to source and employ highly skilled professionals for contract-based opportunities. Cincinnatus serves as the employer of record, providing W-2 employment, payroll, benefits, and compliance while placing employees within high-impact client teams.

Cincinnatus is an Equal Employment Opportunity employer and does not discriminate on the basis of race, religion, gender, age, disability, veteran status, or any other legally protected characteristic.