Principal AI Tool Engineer Software Automation​/Testing

Job Title

Design and develop testing frameworks for AI/ML models and LLM applications

Build automated pipelines for model validation, regression testing, and benchmarking

Create evaluation datasets, synthetic data, and test scenarios for edge cases

Implement metrics to assess accuracy, robustness, latency, and safety

Develop tools for prompt testing, output validation, and hallucination detection

Collaborate with engineers, and product teams to define test strategies

Monitor model performance in production and build alerting systems

Ensure compliance with ethical AI standards, fairness, and bias testing

Debug model behavior and identify root causes of failures

Analytical thinking and problem-solving

Attention to detail and quality-focused mindset

Strong collaboration and communication skills

Ability to design scalable and reusable testing systems

Bachelor's or Master's degree in Computer Science, AI, Machine Learning, or related field

8+ years of experience in software engineering, QA automation, or ML engineering

Strong programming skills in Python (preferred) or similar languages

Experience with testing frameworks (e.g., PyTest, unittest)

Familiarity with machine learning concepts and model evaluation techniques

Experience working with APIs, distributed systems, and CI/CD pipelines

Experience with LLMs and prompt engineering

Familiarity with evaluation tools like Lang Chain, OpenAI Evals, or similar frameworks

Knowledge of AI safety, bias detection, and adversarial testing

Experience with cloud platforms (AWS, GCP, and Azure)

Understanding of observability tools and monitoring systems

Exposure to synthetic data generation and simulation environments

Compensation Disclosure

The compensation offered for this position will depend on qualifications, experience, and work location. For candidates who receive an offer at the posted level, the starting base salary (for non-sales roles) or base salary + commission target (for sales/com-missioned roles) is expected to be the annual range listed below. The offered compensation may also include restricted stock units and a bonus.

A description of our employee benefits may be found here.

$ - $/yr

Our Commitment

We're trailblazers that dream big, take risks, and challenge cybersecurity's status quo. It's simple: we can't accomplish our mission without diverse teams innovating, together.

We are committed to providing reasonable accommodations for all qualified individuals with a disability. If you require assistance or accommodation due to a disability or special need, please contact us at accomm

Palo Alto Networks is an equal opportunity employer. We celebrate diversity in our workplace, and all qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or other legally protected characteristics.

All your information will be kept confidential according to EEO guidelines.

Is role eligible for Immigration Sponsorship? No. Please note that we will not sponsor applicants for work visas for this position.