Hiring: Sr. Data Engineer Company: Halvik Location: McLean, VA Job Posted Time: 2026-09-16 22:21:33 Target Skills & Keywords : AI, Foundry, LightGBM, Machine Learning, NumPy, Python, Security Clearance, XGBoost, scikit-learn About the job Experience: •8+ years of experience in data engineering including working with and designing dimensional models for analytical and reporting environments. Required Skills: •The Senior Data Engineer works with a Senior Data/ML Engineer and supports advanced data engineering within the Army Vantage environment. The position focuses on high-performance Python-based data processing and the development and implementation of predictive capabilities. •Develop high-performance data-processing and analytical workflows using Python. •Prepare, transform, analyze, and validate data using Polars, NumPy, and related Python technologies. •Support feature development for predictive machine learning. •Working with ML Engineer, develop, train, evaluate, and refine predictive machine learning models. •Evaluate performance and support model optimization and calibration. •Support monitoring of predictive models and identification of model or data drift. •Develop production-ready analytical capabilities for use within Army Vantage. Qualifications: •Years of Experience: 8+ years of experience in data engineering including working with and designing dimensional models for analytical and reporting environments. •Demonstrated senior-level Data engineering experience. •Understanding of predictive machine learning experience. •Previous Army, DoD, or federal mission-system experience. Compensation: •Halvik Offers a Competitive Full Benefits Package Including Company-supported medical, dental, vision, life, STD, and LTD insurance Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!