Model Validator
Aliso Viejo, Orange County, California, 92656, USA
Listed on 2026-10-14
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IT/Tech
Data Analyst, Data Scientist, IT QA Tester / Automation -
Quality Assurance - QA/QC
Data Analyst, IT QA Tester / Automation
We are seeking a detail-oriented, analytical, and technically proficient Model Validator to evaluate, test, and validate machine learning models and analytical systems to ensure their accuracy, reliability, consistency, and performance. The successful candidate will assess model outputs, identify potential errors or weaknesses, document findings, and recommend improvements to support dependable and high-quality results.
This role is suited to a professional with strong analytical skills, an understanding of data quality, and the ability to work independently while collaborating with data scientists, software engineers, and quality assurance teams in a remote environment.
Key Responsibilities- Evaluate and validate machine learning models, algorithms, and analytical systems against established performance criteria.
- Review model outputs to assess accuracy, consistency, reliability, and relevance.
- Test models using structured datasets, test cases, and predefined evaluation procedures.
- Identify model errors, performance gaps, unexpected outputs, and potential sources of bias.
- Analyze validation results and prepare detailed reports documenting findings and recommendations.
- Verify data quality, completeness, and suitability for model evaluation.
- Conduct regression testing to determine whether model updates affect performance.
- Compare model predictions against reference data, benchmarks, and expected outcomes.
- Collaborate with data scientists, developers, and quality assurance teams to resolve identified issues.
- Maintain clear documentation of validation procedures, test results, and corrective actions.
- Follow established quality standards, testing protocols, and data governance policies.
- Recommend improvements to model testing, evaluation, and validation processes.
- Handle confidential datasets responsibly and follow applicable information security requirements.
- Monitor model performance against established acceptance criteria and report significant deviations.
- Bachelor's degree in Computer Science, Data Science, Statistics, Mathematics, Engineering, or a related field; equivalent practical experience may be considered.
- Experience in model validation, software testing, data analysis, quality assurance, or a related technical role is preferred.
- Strong analytical and critical-thinking skills.
- Understanding of statistical concepts, data quality, and performance measurement.
- Familiarity with machine learning concepts and model evaluation metrics.
- Proficiency in Microsoft Excel or Google Sheets for data analysis and reporting.
- Basic knowledge of Python, SQL, or other data analysis tools is an advantage.
- Strong attention to detail and the ability to identify inconsistencies in model outputs.
- Excellent written communication and technical documentation skills.
- Ability to follow testing guidelines and apply consistent evaluation criteria.
- Ability to work independently, manage deadlines, and collaborate with distributed teams.
- Experience validating machine learning, predictive analytics, or artificial intelligence systems.
- Familiarity with evaluation metrics such as accuracy, precision, recall, F1-score, and mean squared error.
- Knowledge of statistical testing, data sampling, and error analysis.
- Experience with Python libraries such as pandas, Num Py, scikit-learn, or similar tools.
- Familiarity with model monitoring, data drift, and performance degradation.
- Understanding of responsible AI principles, including fairness, explainability, and bias assessment.
- Experience with testing frameworks, version control, or experiment tracking tools.
- Fully remote work arrangement.
- Full-time employment.
- Working hours based on company requirements and team time zones.
- Regular virtual meetings and collaboration with technical teams.
- Ability to manage validation tasks, meet deadlines, and communicate findings effectively.
Salary and Benefits
Compensation will depend on technical expertise, relevant experience, qualifications, job complexity, and hiring location.
Potential benefits may include:
- Paid annual leave and holidays, subject to company policy.
- Remote work flexibility.
- Professional development and technical training.
- Opportunities to develop expertise in artificial intelligence and machine learning.
- Performance-based incentives, where applicable.
- Health insurance and retirement benefits, where offered by the employer.
The successful candidate will be expected to:
- Complete model validation…
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