Sr. Data Engineer

Halvik; McLean (VA); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

STD insurance

LTD insurance

401(k) with company matching

Tuition Assistance

Commuter benefits

Charitable Contribution matching

Job summary

Halvik Corp in McLean, VA seeks a Senior Data Engineer to support the Army Vantage program. You will work with a Senior Data/ML Engineer on high-performance Python workflows, data transformations, and predictive capabilities.

Candidates should have 8+ years in data engineering, strong Python and Polars/NumPy skills, and a Secret clearance; experience with LightGBM/XGBoost is preferred. Halvik offers a comprehensive benefits package and equal opportunity employment.

Qualifications

• BS degree or equivalent in a technical field and 8+ years of data engineering experience.
• Active Secret security clearance is required.
• Extensive Python experience with data-processing and ETL
• Hands-on experience with Polars and NumPy for data prep and validation
• Experience implementing predictive ML models using scikit-learn, LightGBM, or XGBoost

Responsibilities

• Develop high-performance data-processing and analytical workflows using Python.
• Prepare, transform, analyze, and validate data with Polars and NumPy.
• Support feature development for predictive ML models.
• Collaborate with ML Engineer to train, evaluate, and refine models.
• Monitor performance and drift of predictive models; calibrate as needed.
• Integrate data products and models into the Army Vantage environment.

Skills

Python

Polars

NumPy

Predictive ML

XGBoost

LightGBM

Education

BS degree in CS/IT/Engineering/Data Analytics

Tools

LightGBM

XGBoost

Job description

Halvik Corp delivers a wide range of services to 13 executive agencies and 15 independent agencies. Halvik is a highly successful WOB business with more than 50 prime contracts and 500+ professionals delivering Digital Services, Advanced Analytics, Artificial Intelligence/Machine Learning, Cyber Security and Cutting-Edge Technology across the US Government. Be a part of something special!

Position Overview

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. The position requires familiarity and technical understanding across one or more areas including in Python, Polars, NumPy, and predictive machine learning using Scikit-Learn, LightGBM, XGBoost, and related techniques supported by demonstrated experience completing projects involving 2 or more of these technologies. The emphasis is on understanding how the technologies interact and having sufficient practical experience to successfully implement their integration.

Key Responsibilities

• 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.
• 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.

Required Qualifications

• Education: BS degree in Computer Science, Information Technology, Engineering, Data Analytics, or another related scientific or technical discipline (or equivalent experience)
• Must have an active Secret security clearance
• Years of Experience: 8+ 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.
• Understanding of predictive machine learning experience.
• 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.
• Experience supporting large or complex government data environments.
• Previous Army, DoD, or federal mission-system experience.

Halvik Offers a Competitive Full Benefits Package Including

• Company-supported medical, dental, vision, life, STD, and LTD insurance
• Benefits include 11 federal holidays and PTO
• Eligible employees may receive performance-based incentives in recognition of individual and/or team achievements.
• 401(k) with company matching
• Flexible Spending Accounts for commuter, medical, and dependent care expenses
• Tuition Assistance
• Charitable Contribution matching

Halvik Corp is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.

Halvik's pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.