Hiring: Sr. Data/ML Engineer Company: Halvik Location: McLean, VA Job Posted Time: 2026-09-15 21:51:16 Target Skills & Keywords : AI, Foundry, LightGBM, Machine Learning, NumPy, Python, XGBoost, scikit-learn About the job Experience: •10+ years of experience in data engineering including working with and designing dimensional models for analytical and reporting environments. Required Skills: •Develop high-performance data-processing and analytical workflows using Python. •Prepare, transform, analyze, and validate data using Polars, NumPy, and related Python technologies. •Perform feature engineering in support of predictive machine learning. •Develop, train, evaluate, and refine predictive machine learning models. •Develop predictive ML capabilities using Scikit-Learn, LightGBM, XGBoost, and related technologies. •Evaluate model 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. •Integrate data products and predictive models into the Army Vantage environment. •Collaborate with the Full-Stack/Integration Lead and Foundry Workshop Developers to incorporate analytical capabilities into end-to-end mission solutions. •Troubleshoot data-processing, analytical, and predictive-model issues. •Document analytical approaches, data-processing logic, model methodology, and technical implementation. Qualifications: •Education: BS degree in Computer Science, Information Technology, Engineering, Data Analytics, or another related scientific or technical discipline (or equivalent experience) •Must possess an active Secret security clearance. •Years of Experience: 10+ years of experience in data engineering including working with and designing dimensional models for analytical and reporting environments. •Technical Competencies & Tools: •Demonstrated senior-level Data engineering experience. •Strong proficiency in Python. •Hands-on experience with Polars. •Hands-on experience with NumPy. •Demonstrated predictive machine learning experience. •Experience developing predictive ML solutions using Scikit-Learn. •Experience with LightGBM. •Experience with XGBoost. •Preferred Expertise •Experience developing data or analytical capabilities within Palantir Foundry/Army Vantage. •Experience operationalizing predictive models within enterprise environments. 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!