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

Nalley Consulting

Data Scientist - Sr

Reston, VA · On-site

Senior Location: Reston, Virginia This position is contingent upon award. Required clearance: TS ... Python and Tableau experience. * Experience with data exploration, data cleaning, data analysis ...

Nalley Consulting

Data Scientist - Sr

Reston, VA · On-site

Senior Location: Reston, Virginia This position is contingent upon award. Required clearance: TS ... Python and Tableau experience. * Experience with data exploration, data cleaning, data analysis ...

DNI (Delaware Nation Industries)

Be Seen First

Senior Data Analyst

Washington, DC · On-site

$150K - $160K/yr

Research, write, and present complex data analysis results in an understandable format for senior ... Highly proficient in computational programming languages such as Python, SQL, or related languages ...

Palnar

Sr. Data Analyst

Mclean, VA · On-site

$87K - $110K/yr

Strong data warehouse and analytics background Create business requirement documentation (BRD ... Python is is must have they need to be able to read existing code but they won't be coding anything ...

ConnectPrep

Data Analyst Internship

Washington, DC · Remote

SQL, Python data tools (Pandas, NumPy, or similar) * Building simple data pipelines or analysis scripts in Python * Excel & analysis skills * You are comfortable doing serious work in Excel ...

ConnectPrep

Data Analyst Internship

Washington, DC · On-site +1

SQL, Python data tools (Pandas, NumPy, or similar) * Building simple data pipelines or analysis scripts in Python * Excel & analysis skills * You are comfortable doing serious work in Excel ...

Nalley Consulting

Data Scientist - Sr

Arlington, VA · On-site

Python and Tableau experience. * 7+ years of experience with data exploration, data cleaning, data ... Experience with statistical and general-purpose programming languages for data analysis

ConnectPrep

Data Analyst Internship

Washington, DC · On-site +1

SQL, Python data tools (Pandas, NumPy, or similar) * Building simple data pipelines or analysis scripts in Python * Excel & analysis skills * You are comfortable doing serious work in Excel ...

[solidcore]

Senior Data Analyst

Arlington, VA

$95K - $100K/yr

[solidcore] is looking for a Senior Data Analyst to join our HQ team. You will work closely with ... Python or R experience is a plus for statistical analysis and automation. * Marketing & Consumer ...

[solidcore]

Senior Data Analyst

Arlington, VA · On-site

$98K - $124K/yr

[solidcore] is looking for a Senior Data Analyst to join our HQ team. You will work closely with ... Python or R experience is a plus for statistical analysis and automation. * Marketing & Consumer ...

[solidcore]

Senior Data Analyst

Arlington, VA

$95K - $102K/yr

[solidcore] is looking for a Senior Data Analyst to join our HQ team. You will work closely with ... Python or R experience is a plus for statistical analysis and automation. * Marketing & Consumer ...

Navtech, Inc.

Senior Python Developer

Mclean, VA · On-site

$123K - $166K/yr

... REST API data sources, Microservice architecture, Django framework Qualifications: • Bachelor ... effort. • Strong analytical and problem-solving skills. • Excellent verbal and written ...

ECS

Senior Data Analyst (Part-Time)

Arlington, VA · On-site

$73.76 - $76.17/hr

Everforth ECS is seeking a Senior Data Analyst (Part-Time) to work in our Arlington, VA office ... In-depth knowledge of scripted languages such as SQL, Python, R, and Java Scripts and the proven ...

Capital One

Senior Data Analyst - Card

Mclean, VA · On-site

$86K - $109K/yr

Senior Data Analyst - Card At Capital One, data is at the center of everything we do. When we ... Scripting experience in (Python, R, Spark, and SQL) * Strong desire and experience with data in ...

Capital One

Senior Data Analyst - Card

Mclean, VA

$86K - $109K/yr

Senior Data Analyst - Card At Capital One, data is at the center of everything we do. When we ... Scripting experience in (Python, R, Spark, and SQL) * Strong desire and experience with data in ...

Capital One

Senior Data Analyst - Commercial

Mclean, VA

$86K - $109K/yr

Senior Data Analyst - Commercial At Capital One, data is at the center of everything we do. When we ... Scripting experience in (Python, R, Spark, and SQL) * Strong desire and experience with data in ...

Deloitte

Senior Data Analyst

Mclean, VA

$86K - $109K/yr

... Python and Power BI * Experience with big data analysis, data visualization, data pipelines, and SQL database administration and/or SQL programming * Ability to travel 10-15%, on average, based on ...

Deloitte

Senior Data Analyst

Rosslyn, VA · On-site

$98K - $123K/yr

... Python and Power BI * Experience with big data analysis, data visualization, data pipelines, and SQL database administration and/or SQL programming * Ability to travel 10-15%, on average, based on ...

Deloitte

Senior Data Analyst

Washington, DC · On-site

$97K - $122K/yr

... Python and Power BI * Experience with big data analysis, data visualization, data pipelines, and SQL database administration and/or SQL programming * Ability to travel 10-15%, on average, based on ...

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All JobsPython Data Analyst JobsSenior Python Data Analyst JobsSenior Python Data Analyst Jobs in Ashburn, VA

Senior Python Data Analyst information

See Ashburn, VA salary details

$56.2K

$101.5K

$138.6K

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

As of Jul 16, 2026, the average yearly pay for senior python data analyst in Ashburn, VA is $101,474.00, according to ZipRecruiter salary data. Most workers in this role earn between $87,900.00 and $111,000.00 per year, depending on experience, location, and employer.

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

AspectSenior Python Data AnalystData Scientist
Required CredentialsBachelor's in Data Science, Statistics, or related field; Python proficiencyBachelor's or Master's in Data Science, Computer Science, or related; Python, R, machine learning skills
Work EnvironmentData analysis teams, business units, reportingResearch, model development, advanced analytics
Employer & Industry UsageBusiness, finance, marketing, healthcareTech companies, research institutions, finance, healthcare
Common Search & ComparisonYesYes

While both roles require Python skills and data analysis expertise, Data Scientists typically engage in advanced modeling, machine learning, and research tasks, whereas Senior Python Data Analysts focus more on interpreting data, generating reports, and supporting business decisions.

What are the most commonly searched types of Python Data Analyst jobs in Ashburn, VA? The most popular types of Python Data Analyst jobs in Ashburn, VA are:
What are popular job titles related to Senior Python Data Analyst jobs in Ashburn, VA? For Senior Python Data Analyst jobs in Ashburn, VA, the most frequently searched job titles are:
What job categories do people searching Senior Python Data Analyst jobs in Ashburn, VA look for? The top searched job categories for Senior Python Data Analyst jobs in Ashburn, VA are:
What cities near Ashburn, VA are hiring for Senior Python Data Analyst jobs? Cities near Ashburn, VA with the most Senior Python Data Analyst job openings:
Senior Python Data Analyst jobs near you

Data Scientist - Sr

Nalley Consulting

Reston, VA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 28 days ago

Job description

Position: Data Scientist
LCAT: Senior
Location: Reston, Virginia
This position is contingent upon award.
Required clearance: TS/SCI with willingness to take CI poly. Candidates with current CI poly taken within the past seven years will be prioritized.
Required experience: At least 8 years
Required education: Bachelor's degree in Computer Science, Mathematics, or relevant field and 5+ years relevant experience
Description
Nalley Consulting has an opportunity for an experienced Data Scientist to support on-going research and development efforts for functional characterization of WMD facilities and their associated design.
The successful candidate will:
  • Provide data science, machine learning, and artificial intelligence support.
  • Conduct data engineering tasks to integrate multiple APIs, and support process automation, data visualization, and application integration.
  • Develop tools to automate data analysis of large data sets.
Requirements:
  • 4+ years of experience using programming languages, including Python, R, or Java, to manipulate and analyze data
  • Bachelor's degree in Computer Science, Mathematics, or relevant field
  • Demonstrated ability to work effectively within or lead a team of peers, as well as excellent interpersonal and communications skills
  • Ability to communicate highly technical analyses at a level comprehensible to laymen and senior-level government representatives
  • Ability to clearly express in writing technical analysis results
  • Combining multiple date sources into GUI (graphic user interface) and visual and geographical displays.
  • Python and Tableau experience.
  • Experience with data exploration, data cleaning, data analysis, data visualization, or data mining
  • Experience with analyzing structured and unstructured data sources
  • Experience with statistical and general-purpose programming languages for data analysis
  • Experience with developing predictive data models, quantitative analyses, and visualization of target data sources
  • Experience with leading the development of solutions to complex problems
  • Experience with natural language processing, text mining, or machine learning techniques
  • Experience implementing automation in processing, presenting, or manipulating data

Other desired skills:
  • Demonstrated ability writing ICD 203 and ICD 206-compliant finished intelligence production
  • 15 years of experience in solving DoD data science problems
  • Experience in the development of algorithms leveraging Python and SQL
  • Experience with developing solutions incorporating Large Language Models
  • Experience with Python data science and visualization packages
  • Experience with Excel MBA
  • Experience with AC2SP, R, GitHub, and Palantir
  • An active CI polygraph

ABOUT NALLEY CONSULTING
Nalley Consulting is a Service Disabled Veteran Owned Small Business working with prime partners to staff Department of Defense and Intelligence Community positions. Created by a U.S. Navy intelligence veteran, Nalley Consulting has grown to include multiple IDIQ vehicles in several states.
Nalley Consulting fringe benefits include:
  • Excellent medical, dental, and vision benefits
  • PTO
  • 11 paid federal holidays
  • Tuition assistance
  • Paid military-reserve leave
  • Paid parental leave for birth or adoption
  • 401k matching up to 5 percent of the base salary
  • Flex time
  • Company-paid short-term disability, long-term disability, and life insurance.

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