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Principal AI Tool Engineer for Software Automation/Testing

Office - USA - CA - Headquarters💼 Full-time💰 $147,000–$147,000🗓 2026-08-04 → 2026-09-26

Core

Design and develop testing frameworks, automated pipelines, and evaluation tools for AI/ML models and LLM applications to ensure accuracy, robustness, and safety.

Role type

Principal AI Tool Engineer (Software Automation/Testing)

Builds

Automated testing frameworks, validation pipelines, benchmarking systems, and alerting infrastructure for AI models.

Domain

Cybersecurity, Artificial Intelligence, Machine Learning, Large Language Models (LLMs)

Deliverable

production ML models | product features

Required skills

Python, testing frameworks (PyTest, unittest), machine learning concepts, API integration, distributed systems, CI/CD pipelines, model evaluation techniques, observability tools

Preferred skills

LLMs and prompt engineering, evaluation tools (LangChain, OpenAI Evals), AI safety and bias detection, cloud platforms (AWS, GCP, Azure), synthetic data generation

Technologies

Python, PyTest, unittest, LangChain, OpenAI Evals, AWS, GCP, Azure

Responsibilities

Design testing frameworks for AI/ML models; Build automated pipelines for model validation and regression testing; Create evaluation datasets and test scenarios; Implement metrics for accuracy, robustness, and latency; Develop tools for prompt testing and hallucination detection; Monitor model performance in production; Debug model behavior and identify root causes of failures.

Seniority

Principal, hands-on IC with strategy & mentorship

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