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Data Science Contract Jobs in Washington, DC (NOW HIRING)

This position is contingent upon contract award *** Overview SOSi is seeking a Data Scientist III to support cybersecurity data science and enrichment activities in alignment with our customer. This ...

Data Scientist

Mclean, VA · Hybrid

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Outside of contract work, TRSS Data Scientists contribute to internal innovation by participating in research and development (R&D),developingandmaintaining shared capabilities, strengthening ...

Stay up-to-date with the latest advancements in data science techniques and technologies. Preferred ... However, it is not intended to be a contract, and we reserve the right to modify the at any time.

Stay up-to-date with the latest advancements in data science techniques and technologies. Preferred ... However, it is not intended to be a contract, and we reserve the right to modify the at any time.

Data Scientist - Mid

Washington, DC · On-site

$120K - $160K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Skill in major data science languages, including R and Python, and in managing and merging ... contracts. Each employee must read and understand his/her Quality Management and Customer ...

Stay up-to-date with the latest advancements in data science techniques and technologies.Preferred ... However, it is not intended to be a contract, and we reserve the right to modify the at any time.

Data Scientist - Mid

Washington, DC · On-site

$120K - $160K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Skill in major data science languages, including R and Python, and in managing and merging ... contracts. Each employee must read and understand his/her Quality Management and Customer ...

Data Scientist

Annapolis, MD · On-site

$119K - $285K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Join us on this journey as we execute this mission-critical contract providing high-end analytics and data science services within the REALM of cybersecurity. Your effort and expertise are crucial to ...

Data Scientist

Mclean, VA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Outside of contract work, TRSS Data Scientists contribute to internal innovation by participating in research and development (R&D), developing and maintaining shared capabilities, strengthening ...

Data Scientist

Washington, DC

$52.88 - $57.69/hr

  • Medical

  • Retirement

We have an outstanding Contract position for a Data Scientist to join a leading Company located in the Washington, DC surrounding area. Pay Rate: $52.88 - $57.69 **US Citizenship is required.

Data Scientist

Washington, DC · On-site

$52.88 - $57.69/hr

  • Medical

  • Retirement

We have an outstanding Contract position for a Data Scientist to join a leading Company located in the Washington, DC surrounding area. Pay Rate: $52.88 - $57.69 **US Citizenship is required.

Data Scientist, Mid

Washington, DC · On-site

$105.60 - $176/hr

  • Medical

  • Life

  • Retirement

  • PTO

Join us as we use data science for good in building this capability. Join us. The world can't wait ... as well as contract-specific affordability and organizational requirements. The projected ...

Data Scientist - Senior

Washington, DC · On-site

$140K - $180K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Lead data science efforts from problem framing through deployed capability, setting technical ... contracts. Each employee must read and understand his/her Quality Management and Customer ...

Experience with data science platforms such as RStudio, Spark , or similar tools * Strong documentation and project management skills * Active TS/SCI clearance required at contract start Preferred ...

Data Scientist

Mclean, VA · Remote

$142K - $228K/yr

The ideal candidate blends practical applied data science with strong judgment around ... inputs, contracts, output formats, and performance expectations). * Establish validation and ...

New

Data Scientist - Senior

Washington, DC · On-site

$140K - $180K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Lead data science efforts from problem framing through deployed capability, setting technical ... contracts. Each employee must read and understand his/her Quality Management and Customer ...

Data Scientist 2

Annapolis, MD · On-site

$122K - $168K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Join us on this journey as we execute this mission-critical contract providing high-end analytics and data science services within the REALM of cybersecurity. Your effort and expertise are crucial to ...

Data Scientist Level 3

Suitland, MD · On-site

$94.40 - $198.20/hr

  • Medical

  • Retirement

  • PTO

The ideal candidate will have a strong background in data science, advanced machine learning ... and contract wage rates, relevant prior work experience, specific skills and competencies ...

Data Scientist

Hyattsville, MD · On-site

$69K - $125K/yr

  • Medical

  • Retirement

  • PTO

... DTP) contract working alongside software/system engineers and research/data scientists with ... You will be delivering cutting edge data science capabilities to advance national security ...

... DTP) contract working alongside software/system engineers and research/data scientists with ... You will be delivering cutting edge data science capabilities to advance national security ...

Showing results 21-40

Data Science Contract information

What is a data science contract?

A Data Science Contract job is a temporary or project-based role where a data scientist is hired for a specific period to work on data-related tasks such as analysis, machine learning, or model development. These roles can be short-term (a few months) or long-term but lack the benefits and job security of full-time employment. Contract data scientists often work with multiple clients, bringing expertise to solve business problems without a long-term commitment.

What kinds of projects and day-to-day tasks can I expect as a data science contract professional?

As a Data Science Contract professional, you can expect to work on a variety of projects such as developing predictive models, analyzing large datasets, creating data visualizations, or advising organizations on best practices for data-driven decision making. Your day-to-day tasks may involve collaborating closely with clients or internal stakeholders to clarify objectives, cleaning and preparing data, developing algorithms, and presenting your findings in clear, actionable formats. Projects often vary in length and scope, offering exciting opportunities to tackle new business challenges across different industries. Flexibility and effective time management are essential, as balancing project deadlines and adapting quickly to new tools or domains are common aspects of contract-based work.

What are the key skills and qualifications needed to thrive in the data science contract position, and why are they important?

To thrive as a Data Science Contract professional, you need a strong foundation in statistical analysis, machine learning, data manipulation, and advanced proficiency in programming languages such as Python or R, typically supported by a relevant degree. Experience with data visualization tools, cloud platforms, and certifications like AWS Certified Data Analytics or Microsoft Certified: Data Scientist are highly valued. Excellent communication, problem-solving abilities, and adaptability are crucial soft skills for collaborating with diverse teams and interpreting client needs. These skills ensure that contract-based data scientists can deliver actionable insights, adapt to new environments, and effectively address client-specific problems within limited project timelines.

What are the most commonly searched types of Data Science jobs in Washington, DC?

The most popular types of Data Science jobs in Washington, DC are:

Infographic showing various Data Science Contract job openings in Washington, DC as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 13% Part Time, and 4% Contract. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution.

Data Scientist III

SOSi

Washington, DC • On-site

Full-time

Re-posted 23 days ago


Job description

Company Description

Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide.

Job Description

*** This position is contingent upon contract award ***

Overview

SOSi is seeking a Data Scientist III to support cybersecurity data science and enrichment activities in alignment with our customer. This role is responsible for applying data science, machine learning, and data engineering techniques to enhance enterprise security monitoring, detection, threat hunting, user and entity behavior analytics, and data correlation services supporting cyber defense operations.

Responsibilities

  Develop and apply data science, machine learning, and analytical models to support cyber defense operations

  Support security monitoring, threat detection, threat hunting, and User & Entity Behavior Analytics (UEBA) through data enrichment and modeling

  Examine and correlate data from multiple disparate sources to generate insights into threats affecting the enterprise

  Define input/output requirements, data workflows, and completion criteria for products, data, and deliverables supporting other teams

  Support development and integration of data engineering pipelines, automation workflows, and analytical outputs

  Apply programming and data analysis techniques using Python, JSON, C++, Java, R, or Scala

  Support deployment and operation of solutions using Kubernetes and Docker

  Support integration of cyber data models with SIEM and SOAR platforms

  Apply MITRE ATT&CK and MITRE D3FEND concepts to support cyber analytical use cases

Qualifications

  Experience:

  • Five (5) or more years of experience in machine learning engineering, data science, data engineering, or software development
  • Experience applying machine learning methods to complex data problems
  • Experience supporting cyber data models and analytical workflows
  • Experience integrating or supporting SIEM and SOAR technologies
  • Experience using Kubernetes and Docker
  • Experience with programming languages including Python, JSON, C++, Java, R, or Scala
  • Experience applying MITRE ATT&CK and MITRE D3FEND concepts in cybersecurity contexts

  Clearance/Suitability:

  • Secret (eligible) 

  Education:

  • Master's or PhD in a quantitative field, or equivalent experience

  Certifications:

  • Certified Analytics Professional (CAP)
Additional Information

Work Environment

  • Normal office conditions with potential to perform duties in deployed locations.
  • Core hours of operation are Monday through Friday, 0600 - 1700.
  • May be requested to work evenings and weekends to meet program and contract needs.

Working at SOSi

All interested individuals will receive consideration and will not be discriminated against for any reason.