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Data Scientist, Senior

Pay
USD 99,000–225,000/year — pay source
At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $99,000.00 to $225,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date. Identity Statement
Read the full posting
Work setting
Not stated
Employment
Full-time — employment source
Employment type in the employer’s posting: Full time
From the employer’s posting

What you’ll work on

Full posting
  • Work with clients to understand their questions and data needs

  • Dig into data-rich environments to find answers and advise clients

  • Guide teammates and lead development of algorithms and systems

  • Combine tools and frameworks to turn disparate data into objective answers

From the employer’s posting
You’ll work closely with clients to understand their questions and needs
then dig into their data-rich environments to find the pieces of their information puzzle
You’ll guide teammates and lead the development of algorithms and systems.
You’ll use the right combination of tools and frameworks to turn sets of disparate data points into objective answers

What you’ll bring

All qualifications

Core experience

  • Active TS/SCI clearance and willingness to take a polygraph
  • Experience building ETL pipelines and data schemas
  • Knowledge of statistical analysis, predictive modeling, and machine learning
  • Bachelor’s degree
Qualification wording
Active TS/SCI clearance; willingness to take a polygraph exam
Experience creating ETL pipelines, including querying APIs, cleaning and conditioning data, and creating schemas for data storage
Knowledge of statistical analysis, predictive modeling, and machine learning methods
Bachelor’s degree
Education & alternatives
- Active TS/SCI clearance; willingness to take a polygraph exam - Bachelor’s degree Nice If You Have:
Apply at Booz Allen Hamilton

Posting record

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Status in our records
Live
First seen by us
Oct 8, 202626 days ago
Recorded sightings
71
Last seen by us
Nov 3, 2026

These dates show when we found the posting. Check the employer’s website to confirm it is still accepting applications.

How this job compares

Pay

In line with similar jobs

$99K–$225K against $118K–$193K, the middle half of what similar US postings state.

From 3,721 postings in the last year. Stated ranges, not salaries paid.

Time since we first saw it

Day 26

Similar jobs usually come down between day 7 and day 55.

From 9,971 similar postings that came down. Coming down is not always a hire.

Booz Allen Hamilton is hiring

230 open jobs

Open jobs by the week we first saw them, last 12 weeks.

  • Takes jobs down at a usual pace
  • 12% of open jobs were reposted
Hiring record

See how this role fits your experience

Add your resume and we’ll mark which of these tools you already use, and point out anything in the posting that could rule you out.

  • Python
  • R
  • SQL
  • Hadoop
  • Hive
  • Kafka
  • Kibana
  • MySQL
  • NoSQL
  • Power BI
  • Spark
  • Tableau
  • Keras
  • Plotly
  • PyTorch
  • TensorFlow
Where the posting names them
You Have: - 5+ years of experience using data science programming languages, such as Python or R - Experience creating ETL pipelines, including querying APIs, cleaning and conditioning data, and creating schemas for data storage
- Experience developing and implementing ontological frameworks - Experience in the development of algorithms leveraging R, Python, or SQL and NoSQL - Experience working with Deep Learning and AI frameworks, including PyTorch, TensorFlow, and Keras
- Experience working with Retrieval-Augmented Generation (RAG) and Large Language Models (LLM) - Experience with distributed data and computing tools, including MapReduce, Hadoop, Hive, EMR, Kafka, Spark, Gurobi, or MySQL - Experience with visualization packages, including Plotly, Seaborn, or ggplot2
- Ability to develop solutions and integrate and extend free and open-source software (FOSS) or COTS products - Ability to generate data visualizations with tools, such as Kibana, Tableau, or Power BI - Active TS/SCI clearance; willingness to take a polygraph exam
- Experience in the development of algorithms leveraging R, Python, or SQL and NoSQL - Experience working with Deep Learning and AI frameworks, including PyTorch, TensorFlow, and Keras - Experience working with Retrieval-Augmented Generation (RAG) and Large Language Models (LLM)
- Experience with distributed data and computing tools, including MapReduce, Hadoop, Hive, EMR, Kafka, Spark, Gurobi, or MySQL - Experience with visualization packages, including Plotly, Seaborn, or ggplot2 - Knowledge of DevOps, including CI/CD pipelines and Jenkins

Your next step

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Already applied? Track this application

Has Booz Allen Hamilton posted this job before?

Yes. We’ve followed 20 other Data Scientist, Senior jobs there since August 2026. 10 came down, usually after about 43 days. 10 are still up.

  1. CharlestonStill up after 29 days, first seen Oct 6
  2. AlexandriaCame down after 0 days, first seen Oct 6
  3. SpringfieldCame down after 7 days, first seen Oct 6
  4. AlexandriaStill up after 27 days, first seen Oct 8
  5. WashingtonStill up after 27 days, first seen Oct 8
  6. AlexandriaStill up after 27 days, first seen Oct 8
  7. This jobUp 27 days so far, first seen Oct 8
  8. San DiegoCame down after 14 days, first seen Oct 19
  9. RestonStill up after 8 days, first seen Oct 27

If this one keeps the same pace, it may come down around November 20.

Large employers often post one title for several teams, so these can be separate openings.

About the role

We file this job under Data Scientist, by the work the posting describes.

Data scientists use statistics and models to answer harder questions, such as whether a change worked, what demand will look like next quarter, or which customers are likely to leave.

Postings usually ask for Python or R, SQL, statistics, experiment design and common machine learning methods.

Unlike an ML engineer, a data scientist's main output is often an analysis or a first model, not software running inside a product.

US government figures for data scientists

Median yearly pay, May 2025
$120,230
Expected change, 2025 to 2035
34.6% more jobsagainst 3.5% for all jobs

Source: US Bureau of Labor Statistics, Occupational Employment and Wage Statistics (May 2025) and Employment Projections (2025 to 2035). Occupation code 15-2051.

Job description

View original posting ↗

Data Scientist, Senior

The Opportunity:  

As a data scientist, you’re excited at the prospect of unlocking the secrets held by a data set, and you’re fascinated by the possibilities presented by IoT, machine learning, and artificial intelligence. In an increasingly connected world, massive amounts of structured and unstructured data open new opportunities. As a data scientist at Booz Allen, you can help turn these complex data sets into useful information to solve global challenges. Across private and public sectors—from fraud detection to cancer research to national intelligence—we need you to help find the answers in the data. 


On our team, you’ll use your leadership skills and data science expertise to create real-world impact. You’ll work closely with clients to understand their questions and needs and then dig into their data-rich environments to find the pieces of their information puzzle. You’ll guide teammates and lead the development of algorithms and systems. You’ll use the right combination of tools and frameworks to turn sets of disparate data points into objective answers to advise your clients as they make informed decisions. Ultimately, you’ll provide a deep understanding of the data, what it all means, and how it can be used.

 

Work with us as we use data science for good.  


Join us. The world can’t wait.  


You Have:   

  • 5+ years of experience using data science programming languages, such as Python or R
  • Experience creating ETL pipelines, including querying APIs, cleaning and conditioning data, and creating schemas for data storage
  • Experience with version control tools, including Git, GitLab, GitHub, or Bitbucket
  • Knowledge of statistical analysis, predictive modeling, and machine learning methods
  • Ability to design and develop automated analytic software, techniques, and algorithms
  • Ability to develop solutions and integrate and extend free and open-source software (FOSS) or COTS products
  • Ability to generate data visualizations with tools, such as Kibana, Tableau, or Power BI
  • Active TS/SCI clearance; willingness to take a polygraph exam
  • Bachelor’s degree

Nice If You Have:   

  • Experience working with GEOINT, HUMINT, MASINT, OSINT, and SIGINT, and the data and tools associated with these disciplines
  • Experience with intelligence or operations analysis in the DoD or Intelligence Community
  • Experience developing and implementing ontological frameworks
  • Experience in the development of algorithms leveraging R, Python, or SQL and NoSQL 
  • Experience working with Deep Learning and AI frameworks, including PyTorch, TensorFlow, and Keras
  • Experience working with Retrieval-Augmented Generation (RAG) and Large Language Models (LLM)
  • Experience with distributed data and computing tools, including MapReduce, Hadoop, Hive, EMR, Kafka, Spark, Gurobi, or MySQL  
  • Experience with visualization packages, including Plotly, Seaborn, or ggplot2 
  • Knowledge of DevOps, including CI/CD pipelines and Jenkins
  • TS/SCI clearance with a polygraph

  

Clearance:

Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance is required.

Compensation

At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.

Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $99,000.00 to $225,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date.

Identity Statement

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.

Candidate AI Usage Policy

AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided.


Work Model
Our people-first culture prioritizes the benefits of collaboration. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.

  • Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.
  • Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen or customer facility, in alignment with your leadership's expectations and the needs of the role.
  • Onsite: If this position is listed as onsite, work will primarily be performed full-time at a customer facility, where employees will collaborate directly with colleagues and customers as required by the role.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.

Source details

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Location & working pattern

Washington, DC

Work Model Our people-first culture prioritizes the benefits of collaboration. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings. - Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility. - Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen or customer facility, in alignment with your leadership's expectations and the needs of the role. - Onsite: If this position is listed as onsite, work will primarily be performed full-time at a customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
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