Data Scientist (2026-0237)

Acclaim Technical Services; Chantilly (VA); On-site; USD 120,000 - 180,000; Full time

Job summary

Acclaim Technical Services (ATS) seeks a Data Scientist with TS/SCI w/ Poly to turn unstructured data into actionable insights for national security decisions in Chantilly, VA. You will build AI/ML models, craft reports and visualizations, and present findings in briefings to customers.

You will preprocess data, analyze large data sets, and develop scalable analytics, with emphasis on Tableau visualizations and data-driven outputs for decision makers.

Qualifications

• Bachelor’s degree in data-related field with 5+ years of relevant experience.
• Strong SQL experience including CTEs, sets, aggregates and subqueries.
• Experience with DBeaver, PostgreSQL, MySQL, and MongoDB.
• Proficiency in Python or R with analytics, processing, modeling and visualization libraries.
• Experience performing time-series analysis.
• Experience creating and customizing graphics in Tableau.
• Experience with GitHub or similar version control.
• Experience with cloud services and APIs; HPC resources.

Responsibilities

• Assess the efficiency and accuracy of new data sources.
• Preprocess and clean structured and unstructured data.
• Analyze large amounts of raw data to provide insights.
• Create, modify, and improve statistical and AI/ML models.
• Document and communicate methods and findings using customer formats; co-author publications, produce reports and visualizations; develop apps and interfaces; deliver briefings; document methods in GitHub.
• Research and apply new quantitative and qualitative methods to strengthen analytic approaches.
• Brief consumers on data-driven analysis for national security problems.
• Respond to ad-hoc requests for tailored analysis including cables, memos, emails, graphics.
• Provide technical education to staff on an ad-hoc basis.

Skills

SQL

Python

R

Time-series analysis

Data analysis

Statistical modeling

AI/ML

Tableau

GitHub

Cloud services

Education

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

Tools

DBeaver

PostgreSQL

MySQL

MongoDB

GitHub

Job description

Acclaim Technical Services (ATS), founded in 2000, is a premier provider of tech-enabled solutions and operational services to a broad range of U.S. Federal agencies. As an Employee Stock Ownership Plan (ESOP) company—an uncommon advantage in our sector,we foster a culture of ownership, accountability, and shared success. This commitment to our people shows: ATS is consistently recognized as a top workplace in the DC area and continues to experience strong, strategic growth.

We are actively hiring a Data Scientist with TS/SCI w/ Poly to join our team working in Chantilly, VA. You will use your coding skills and Tableau expertise to turn unstructured data into actionable insights that support decisions about production, resources, and personnel. You will build statistical and AI/ML models, share findings through reports, visualizations, and briefings, and apply data-driven methods to national security problems.

Key Responsibilities:

• Assess the efficiency and accuracy of new data sources
• Preprocess and clean structured and unstructured data
• Analyze large amounts of raw data to provide insights
• Create, modify, and improve statistical and AI/ML models
• Document and communicate methods and findings using the customer's formats and templates. This may include co-authoring analytic publications, producing ad-hoc reports, creating data visualizations or interactives, developing applications and user interfaces, delivering presentations or briefings, and documenting methods in GitHub
• Research and apply new quantitative and qualitative methods to strengthen the customer's existing analytic approaches and communicate findings to wider audiences
• Brief consumers on how data-driven analysis and analytic methods apply to specific national security problems
• Respond to approved ad-hoc requests for tailored, complex data-driven analysis, including preparing cables, memoranda, emails, and graphics
• Provide technical education to staff on an ad-hoc basis

Required Qualification:

• Bachelor's degree in Data Science, Statistics, Mathematics, Computer Science, or a related field, 5 plus years of relevant experience. Additional years of experience may be accepted in place of a degree
• Demonstrated professional experience with SQL, including common table expressions, set operations, aggregate functions, and nested subqueries
• Experience with DBeaver, PostgreSQL, MySQL, and NoSQL databases such as MongoDB
• Proficiency in Python or R, including libraries for data analysis, data processing, statistical modeling, AI/ML, and visualization
• Experience performing time-series analysis on internal or external data
• Experience creating and customizing customer-facing graphics in Tableau
• Experience with version control systems such as GitHub
• Experience with cloud services from major providers, working with APIs, and using high-performance computing resources

Preferred Qualifications:

• Experience with Tableau Prep
• Experience using Splunk, including automated processes
• Experience with the customer's enterprise services, security controls, and data management practices
• Prior experience supporting the Intelligence Community

About

Acclaim Technical Services (ATS), founded in 2000, is a premier provider of tech-enabled solutions and operational services to a broad range of U.S. Federal agencies. As an Employee Stock Ownership Plan (ESOP) company—an uncommon advantage in our sector,we foster a culture of ownership, accountability, and shared success. This commitment to our people shows: ATS is consistently recognized as a top workplace in the DC area and continues to experience strong, strategic growth.

SALARY TRANSPARANCY

There are many factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employee owners value the flexibility at ATS that allows them to balance quality work and their personal lives. We offer competitive compensation, career growth, benefits and learning and development opportunities. Our broad mix of exceptional benefits options is designed to support and protect employees and their families.

At ATS, you will be eligible to participate in a comprehensive benefits package such as healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Learn more at Employee Resources

EQUAL EMPLOYMENT OPPORTUNITY (EEO) STATEMENT

ATS is committed to a program of equal employment opportunity without regard to race, color, ethnicity, national origin, ancestry, citizenship, sex, pregnancy, marital status, sexual orientation, age, religion/creed, hairstyles and hair textures, handicap/disability, genetic information/history, military/veteran status, or any other characteristic or condition protected by applicable law. We support the employment and advancement in employment of individuals with disabilities and of protected veterans, and we treat qualified individuals without discrimination on the basis of their physical or mental disability or veteran status.