Data Scientist (TS/SCI) – Mission-Critical Analytics

Castalia Systems; Chantilly (VA); On-site; USD 180,000 - 190,000; Full time

Job summary

Castalia Systems is seeking a Mid-level Data Scientist to support our client onsite in Chantilly, VA. The Data Scientist provides Systems Engineering and Technical Assistance (SETA) support to our customer’s mission by evaluating, assessing, and improving advanced analytics capabilities used across intelligence operations.

This role focuses on reviewing existing statistical models, machine learning algorithms, and analytic methodologies to ensure they meet mission requirements, performance

Qualifications

• Bachelor’s degree in a quantitative field.
• 6+ years of data science/analytic experience.
• Experience evaluating, validating, testing, or improving statistical models or ML algorithms.
• Proficiency in Python, R, or similar data science languages.

Responsibilities

• Review, assess, and provide recommendations for improving statistical models and ML workflows.
• Evaluate algorithm performance against mission requirements and objectives.
• Analyze large, complex datasets from multiple sources to identify trends and optimization opportunities.
• Conduct validation and verification to ensure reliable, reproducible results.
• Ensure compliance with security and classified environment requirements throughout analysis.

Skills

Statistical analysis

Machine learning

Model evaluation

Python

R

Education

Bachelor's degree in Data Science, Computer Science, Statistics, Mathematics, Engineering, Operations Research, or related field

Tools

Python

R

Job description

Castalia Systems is seeking a Mid-level Data Scientist to support our client onsite in Chantilly, VA. The Data Scientist provides Systems Engineering and Technical Assistance (SETA) support to our customer’s mission by evaluating, assessing, and improving advanced analytics capabilities used across intelligence operations.

This role focuses on reviewing existing statistical models, machine learning algorithms, and analytic methodologies to ensure they meet mission requirements, performance