Data Scientist II

National Capitol Contracting LLC; Washington (District of Columbia); On-site; USD 165,000 - 175,000; Full time

Job summary

National Capitol Contracting LLC is seeking an onsite Data Scientist II in Washington, DC (Navy Yard) to transform data into actionable insights that improve program performance and operational efficiency. The role leverages analytics, BI tools, and AWS-based cloud technologies while adhering to NAVSEA and DoD standards.

The ideal candidate has a strong background in data analytics, dashboard development (PowerBI/Tableau/Qlik), advanced SQL and Python, and experience with large, diverse data

Qualifications

• Active Secret clearance
• Bachelor's degree in a technical field
• 9+ years of experience in data analytics or a related field
• Experience with dashboard tools (Tableau, PowerBI, Qlik Sense/View)
• Experience writing and optimizing SQL queries
• Experience with AWS services and cloud data environments
• Strong analytical and communication skills
• Experience with large datasets and multiple data sources
• Proficiency with Microsoft Office Suite (Excel, PowerPoint)

Responsibilities

• Analyze structured and unstructured data to uncover trends and insights.
• Design, develop, and maintain dashboards and reports using BI tools.
• Extract, transform, and analyze data with SQL, Python, and PostgreSQL.
• Support data integration across multiple systems and data sources.
• Collaborate with stakeholders to translate requirements into analytical solutions.
• Develop and maintain data models, performance metrics, and KPIs.
• Conduct data quality assessments and recommend improvements.
• Create visualizations and presentations for technical and non-technical audiences.
• Document methodologies and solutions per NAVSEA and DoD standards.

Skills

Analytical thinking

Problem-solving

Communication

Attention to detail

Team collaboration

Education

Bachelor's degree

Tools

PowerBI

Qlik Sense

QlikView

Tableau

SQL

Python

PostgreSQL

AWS

Redshift

Athena

Glue

QuickSight

S3

Excel

PowerPoint

Access

Data Lakes

Job description

National Capitol Contracting LLC is hiring an onsite Data Scientist II in Washington, DC (Navy Yard) to support customer programs by turning data into operational improvements. In this role, you will leverage analytics, business intelligence tools, and AWS-based cloud technologies to strengthen decision-making, program performance, and operational effectiveness. Secret clearance and above is required.

Key responsibilities

• Analyze structured and unstructured data to uncover trends, patterns, and actionable insights focused on risks, integrity, and optimized ingest.
• Design, develop, and maintain interactive dashboards and reports using PowerBI and Qlik Sense/QlikView.
• Extract, transform, and analyze data using SQL, Python, PostreSQL, and other data management tools.
• Support data integration across multiple systems and data sources, including existing Data Lakes, archived spreadsheets, Access, and other legacy databases.
• Collaborate with stakeholders to understand business requirements and translate them into analytical solutions.
• Develop and maintain data models, performance metrics, and KPIs.
• Conduct data quality assessments and recommend process improvements.
• Create visualizations and presentations that communicate findings to technical and non-technical audiences.
• Document methodologies, processes, and technical solutions in line with NAVSEA and DoD standards.

Requirements

• Active Secret clearance.
• Bachelor's degree in Data Science, Computer Science, Information Systems, Statistics, Mathematics, Engineering, or a related technical field.
• 9+ years of experience in data analytics, business intelligence, data science, or a related field.
• Hands-on experience with Tableau, PowerBI, Qlik Sense, and/or QlikView for dashboard development and reporting.
• Experience writing and optimizing SQL queries for data extraction and analysis.
• Experience with AWS services and cloud-based data environments, or demonstrated ability to work within AWS platforms.
• Strong analytical, problem-solving, and critical-thinking skills.
• Experience working with large datasets and multiple data sources.
• Proficiency with Microsoft Office Suite, particularly Excel and PowerPoint.
• Strong written and verbal communication skills.

Technologies you will use

• PowerBI, Qlik Sense, QlikView, Tableau
• SQL, Python, PostreSQL
• Amazon Redshift, Athena, Glue, QuickSight, S3, AWS
• Microsoft Office Suite (Excel, PowerPoint), Access, Data Lakes

Preferred qualifications

• Knowledge of data warehousing, ETL processes, and data governance principles.
• Experience with programming languages such as Python or R for analysis and automation.
• Familiarity with AWS analytics services such as Amazon Redshift, Athena, Glue, QuickSight, or S3.
• Experience developing predictive models, statistical analyses, or machine learning solutions.
• Understanding of Agile methodologies and project management practices.
• Active Secret Clearance or higher.
• Experience presenting analytical findings to senior leadership and program stakeholders.

Compensation: USD 165,000 - 175,000 per year. Location: Washington, DC (onsite).