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Commission Post Production Engineer Jobs in California

The role of Production Engineer involves taking complete ownership of infrastructure for high-scale ... and post-mortem procedures. • Proactively build robust self-service tools, systems, and ...

The Production Engineer will take complete ownership of the infrastructure for deploying and ... and post-mortem procedures. • Proactively build robust self-service tools, systems, and ...

About the Role We are seeking a Production Engineer to take complete, end-to-end ownership of the ... and post-mortem procedures. * Proactively build robust self-service tools, systems, and ...

The MBE Growth Production Engineer is responsible for the MBE growth and characterization of HgCdTe ... post growth wafer characterization and correlation of MBE growth results with final device ...

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Infographic showing various Commission Post Production Engineer job openings in California as of August 2026, with employment types broken down into 83% Full Time, 11% Part Time, 4% Contract, and 2% Nights. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution.

Research Engineer, Production Model Post-Training

Anthropic

San Francisco, CA • On-site

Full-time

Re-posted 22 days ago


Job description

About the role

Anthropic's production models undergo sophisticated post-training processes to enhance their capabilities, alignment, and safety. As a Research Engineer on our Post-Training team, you'll train our base models through the complete post-training stack to deliver the production Claude models that users interact with.

You'll work at the intersection of cutting-edge research and production engineering, implementing, scaling, and improving post-training techniques like Constitutional AI, RLHF, and other alignment methodologies. Your work will directly impact the quality, safety, and capabilities of our production models.

Note: For this role, we conduct all interviews in Python. This role may require responding to incidents on short-notice, including on weekends.

Responsibilities:
  • Implement and optimize post-training techniques at scale on frontier models
  • Conduct research to develop and optimize post-training recipes that directly improve production model quality
  • Design, build, and run robust, efficient pipelines for model fine-tuning and evaluation
  • Develop tools to measure and improve model performance across various dimensions
  • Collaborate with research teams to translate emerging techniques into production-ready implementations
  • Debug complex issues in training pipelines and model behavior
  • Help establish best practices for reliable, reproducible model post-training
You may be a good fit if you:
  • Thrive in controlled chaos and are energised, rather than overwhelmed, when juggling multiple urgent priorities
  • Adapt quickly to changing priorities
  • Maintain clarity when debugging complex, time-sensitive issues
  • Have strong software engineering skills with experience building complex ML systems
  • Are comfortable working with large-scale distributed systems and high-performance computing
  • Have experience with training, fine-tuning, or evaluating large language models
  • Can balance research exploration with engineering rigor and operational reliability
  • Are adept at analyzing and debugging model training processes
  • Enjoy collaborating across research and engineering disciplines
  • Can navigate ambiguity and make progress in fast-moving research environments
Strong candidates may also:
  • Have experience with LLMs
  • Have a keen interest in AI safety and responsible deployment

We welcome candidates at various experience levels, with a preference for senior engineers who have hands-on experience with frontier AI systems. However, proficiency in Python, deep learning frameworks, and distributed computing is required for this role.