Data Scientist III
Washington, DC · On-site
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 ...
Washington, DC · On-site
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 ...
Washington, DC · On-site
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 ...
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 ...
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 ...
Herndon, VA · On-site
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.
Herndon, VA · On-site
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.
Herndon, VA · On-site
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.
Herndon, VA · On-site
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.
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 ...
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 ...
Herndon, VA · On-site
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.
Quick apply
Herndon, VA · On-site
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.
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
$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.
Quick apply
$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.
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.
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.
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 ...
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 ...
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 ...
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 ...
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 ...
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
Quick apply
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
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
Bethesda, MD · On-site +1
... 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 ...
Bethesda, MD · On-site +1
... 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 ...
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.
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.
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.
The most popular types of Data Science jobs in Washington, DC are:
For Data Science Contract jobs in Washington, DC, the most frequently searched job titles are:
The top searched job categories for Data Science Contract jobs in Washington, DC are:

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.
*** 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
Experience:
Clearance/Suitability:
Education:
Certifications:
Work Environment
Working at SOSi
All interested individuals will receive consideration and will not be discriminated against for any reason.