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Senior Python Data Science Jobs in Ashburn, VA (NOW HIRING)

Spatial Front, Inc

Data Scientist

Arlington, VA · On-site

... Science, or related field; Master's preferred. • 3 years of data analysis, 1 year of machine learning. • Demonstrated expertise in: statistical analysis, machine learning, Python, data ...

Spatial Front, Inc

Data Scientist

Arlington, VA · On-site

... Science, or related field; Master's preferred. • 3 years of data analysis, 1 year of machine learning. • Demonstrated expertise in: statistical analysis, machine learning, Python, data ...

ManTech

Senior Python Developer

Herndon, VA · Remote

$141K - $236K/yr

This position offers the chance to grow your expertise alongside talented Software Developers, Data ... Bachelor's degree in Computer Science or similar technical field and 10+ years of experience in ...

ManTech International

Senior Python Developer

Herndon, VA · On-site

$141K - $236K/yr

This position offers the chance to grow your expertise alongside talented Software Developers, Data ... Bachelor's degree in Computer Science or similar technical field and 10+ years of experience in ...

Bigbear.ai

Sr. Data Scientist

Washington, DC · On-site

$103K - $240K/yr

Overview BigBear.ai is seeking a Senior Data Scientist to conduct data analytics, data engineering ... data science languages, such as R and Python; managing and merging of disparate data sources ...

Tecolote Research

Senior Data Scientist

Chantilly, VA · On-site

$130K - $160K/yr

Overview The Senior Data Scientist will support our customers initiatives by developing/maintaining ... Programming languages such as Python(inclusive of libraries that are used in data science e.g ...

Navtech, Inc.

Senior Python Developer

Mclean, VA · On-site

$123K - $166K/yr

... REST API data sources, Microservice architecture, Django framework Qualifications: • Bachelor ... Science or Engineering or equivalent experience; advanced studies and degree preferred. • A ...

Bigbear.ai

Sr. Data Scientist

Washington, DC · On-site

Overview BigBear.ai is seeking a Senior Data Scientist to conduct data analytics, data engineering ... data science languages, such as R and Python; managing and merging of disparate data sources ...

GRVTY

Data Scientist - Senior

Springfield, VA · On-site

Master's degree in Data Science, Statistics, Business, or related field preferred. * Expert ... Demonstrated coding experience with Python, Java, or related scripting languages. * Experience ...

Leidos

Senior Python Developer

Chantilly, VA · On-site

$131K - $237K/yr

Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field ... Actively search for and screen new data sources and technologies to meet program demands * Serve as ...

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Senior Python Data Science information

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$56.2K

$145.2K

$199.4K

How much do senior python data science jobs pay per year?

As of Jul 13, 2026, the average yearly pay for senior python data science in Ashburn, VA is $145,185.00, according to ZipRecruiter salary data. Most workers in this role earn between $124,200.00 and $167,200.00 per year, depending on experience, location, and employer.

What is the difference between Senior Python Data Science vs Data Analyst?

AspectSenior Python Data ScienceData Analyst
Required SkillsPython, machine learning, statistical analysis, data modelingExcel, SQL, data visualization, basic statistics
Work EnvironmentData science teams, R&D, product developmentBusiness units, reporting, operational analysis
Industry UsageTech, finance, healthcare, e-commerceRetail, marketing, finance, healthcare

Senior Python Data Scientists focus on advanced analytics, machine learning, and building predictive models using Python, often working in R&D or product teams. Data Analysts primarily handle data reporting, visualization, and basic statistical analysis to support business decisions. While both roles require data handling skills, Senior Python Data Science roles demand deeper technical expertise and experience with complex algorithms.

What are the most commonly searched types of Python Data Science jobs in Ashburn, VA? The most popular types of Python Data Science jobs in Ashburn, VA are:
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Senior Python Data Science jobs near you
Data Scientist / Sr Analyst (0030)

Data Scientist / Sr Analyst (0030)

OCT Consulting, LLC

Mclean, VA • On-site

$80K - $110K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired today. Applications are no longer accepted.

Job description

Junior Data Scientist / Sr Analyst
OCT Consulting is a business management and technology consulting firm that supports Federal Government clients. We provide consulting services in the areas of Program and Project Management, Acquisition/Procurement, Data Analytics, and Information Technology.
Responsibilities and Duties
OCT currently has an opening for a Junior Data Scientist to support an existing federal client with data analysis and predictive model development on the Databricks platform.
Day to day responsibilities include:
  • Data cleaning and ETL development with SQL and Python
  • Data analysis using SQL and Python
  • Building pipelines in Databricks
  • Building visualizations with Databricks

Requirements
  • Must be a U.S. Citizen.
  • Minimum B.S. (M.S. preferred) in Mathematics, Statistics, Computer Science, or similar
  • Minimum 3 years of professional experience
  • Familiarity with FAIR principles, data governance, and AI ethics.
  • Hands-on experience with Databricks features such as Unity Catalog setup, privilege models, and workspace administration required.
  • Databricks certifications are preferred
  • Strong documentation, analytical, and communication skills.
  • Location: Hybrid, with 2 days/week in the McLean, VA office

Benefits
OCT offers competitive compensation packages and a full suite of benefits which includes:
  • Medical, Dental, and Vision insurance
  • Retirement savings 401K plan provided by an industry leading provider with 3% employer contributions of the employee's gross salary
  • Paid Time Off and Standard Government Holidays
  • Life Insurance, Short- and Long-Term disability benefits
  • Training Benefits

Salary Range: $80k - $110k commensurate with experience, skills, and education.
About OCT Consulting
OCT Consulting LLC is a Small Business (SB) providing professional services and information technology solutions to the Federal government and commercial clients. Founded in 2013, we bring the agility of operations and a management team with a track record of leading successful engagements at major Federal government agencies.
At OCT we believe in creating a work environment where employees can thrive based on their abilities, skills, and achievements. We are dedicated to providing career growth and professional development based on individual merit and fostering a workplace where everyone's contributions are valued and recognized.

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