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Senior Python Data Analysis Jobs in Virginia (NOW HIRING)

MANTECH

Senior Python Developer

Herndon, VA

$124K - $168K/yr

MANTECH seeks a driven and mission-focused Senior Python Developer to join our elite team based in ... This position offers the chance to grow your expertise alongside talented Software Developers, Data ...

MANTECH

Senior Python Developer

Herndon, VA · On-site

$124K - $168K/yr

MANTECH seeks a driven and mission-focused Senior Python Developer to join our elite team based in ... This position offers the chance to grow your expertise alongside talented Software Developers, Data ...

NALLEY CONSULTING

Data Engineer - Sr

Charlottesville, VA · On-site

$107K - $128K/yr

They are seeking a Senior Data Engineer who will lead data engineering activities, oversee the ... Python, or SQL; statistical analysis; and data mining algorithms. • Utilizing experience with ...

New

Nalley Consulting

Data Engineer - Sr

Charlottesville, VA · On-site

$109K - $131K/yr

... Python, or SQL; statistical analysis; and data mining algorithms. * Utilizing experience with large data Multi-INT analytics, ML, and automated predicative analytics. Required qualifications * 3+ ...

New

Nalley Consulting

Data Engineer - Sr

Charlottesville, VA · On-site

$109K - $131K/yr

... Python, or SQL; statistical analysis; and data mining algorithms. * Utilizing experience with large data Multi-INT analytics, ML, and automated predicative analytics. Required qualifications * 3+ ...

New

Data Intelligence LLC

Senior Data Analyst

Quantico, VA

$91K - $114K/yr

Senior Data Analyst ID: 1592 Location: Quantico, VA More about this job > Description Data ... Utilize Python, R, and other scripting languages for data analysis and automation * Apply data ...

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 ...

Nalley Consulting

Data Scientist - Mid

Reston, VA · On-site

Ability to communicate highly technical analyses at a level comprehensible to laymen and senior ... Python and Tableau experience. * Experience with data exploration, data cleaning, data analysis ...

Nalley Consulting

Data Scientist - Mid

Reston, VA · On-site

Ability to communicate highly technical analyses at a level comprehensible to laymen and senior ... Python and Tableau experience. * Experience with data exploration, data cleaning, data analysis ...

Data Intelligence LLC

Senior Data Analyst

Quantico, VA · On-site

$91K - $114K/yr

Data Intelligence is seeking a highly skilled Senior Data Analyst to support the Naval Criminal ... Utilize Python, R, and other scripting languages for data analysis and automation * Apply data ...

Leidos

Senior Python Developer

Chantilly, VA · On-site

$131K - $237K/yr

Expertise in scripting (Python, shell scripting) * Expertise with Docker and container ... Actively search for and screen new data sources and technologies to meet program demands * Serve as ...

Leidos

Senior Python Developer

Springfield, VA · On-site

$131K - $237K/yr

Expertise in scripting (Python, shell scripting) * Expertise with Docker and container ... Actively search for and screen new data sources and technologies to meet program demands * Serve as ...

Leidos

Senior Python Developer

Manassas, VA · On-site

$131K - $237K/yr

Expertise in scripting (Python, shell scripting) * Expertise with Docker and container ... Actively search for and screen new data sources and technologies to meet program demands * Serve as ...

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Senior Python Data Analysis information

What are the key skills and qualifications needed to thrive as a Senior Python Data Analyst, and why are they important?

To thrive as a Senior Python Data Analyst, you need an in-depth understanding of data analysis, statistical modeling, and advanced Python programming, typically supported by a degree in a quantitative field. Proficiency with data analysis libraries (like pandas, NumPy, and SciPy), visualization tools (such as Matplotlib and Seaborn), and experience with SQL databases are essential, and certifications like Microsoft Certified: Data Analyst Associate can be beneficial. Strong problem-solving abilities, effective communication, and the capacity to distill complex data insights for stakeholders are critical soft skills. These competencies enable you to extract actionable insights from large datasets, drive data-informed decision-making, and collaborate effectively across teams.

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

AspectSenior Python Data AnalysisData Scientist
Required SkillsPython, SQL, data visualization, statistical analysisPython, R, machine learning, statistical modeling
Work EnvironmentData analysis teams, business unitsResearch, product development, analytics teams
Industry UsageBusiness intelligence, finance, marketingTech, healthcare, finance, research
CertificationsPython certifications, data analysis coursesData science certifications, machine learning courses

While both roles involve Python and data handling, Senior Python Data Analysts focus on interpreting data and creating reports for business decisions, whereas Data Scientists develop predictive models and advanced algorithms to extract deeper insights. The roles often overlap, but Data Scientists typically require broader skills in machine learning and statistical modeling.

What are some common challenges Senior Python Data Analysts face when working with large datasets, and how can they overcome them?

Senior Python Data Analysts often encounter difficulties such as slow processing speeds, memory limitations, and data quality issues when handling large datasets. To overcome these challenges, it's essential to leverage efficient libraries like pandas and Dask, utilize optimized data formats (such as Parquet), and implement batch processing or cloud-based solutions. Collaborating closely with data engineers and IT teams also helps ensure robust data pipelines and infrastructure. Regular code optimization and staying updated on best practices can further enhance performance when working at scale.

What is a Senior Python Data Analyst?

A Senior Python Data Analyst is an experienced professional who uses Python programming to collect, process, and analyze large sets of data. They are responsible for extracting meaningful insights from data to support business decisions, often using libraries like pandas, NumPy, and matplotlib. In addition to technical skills, they also apply statistical analysis and data visualization techniques, and frequently mentor junior analysts or collaborate with data scientists and engineers. Their role may also involve developing automated data pipelines and ensuring data quality across projects.
What are the most commonly searched types of Python Data Analysis jobs in Virginia? The most popular types of Python Data Analysis jobs in Virginia are:
What are popular job titles related to Senior Python Data Analysis jobs in Virginia? For Senior Python Data Analysis jobs in Virginia, the most frequently searched job titles are:
What job categories do people searching Senior Python Data Analysis jobs in Virginia look for? The top searched job categories for Senior Python Data Analysis jobs in Virginia are:
Senior Python Data Analysis jobs near you
Infographic showing various Senior Python Data Analysis job openings in Virginia as of July 2026, with employment types broken down into 100% Full Time. Highlights an 67% In-person, and 33% Hybrid job distribution.
Senior Python Developer

Senior Python Developer

MANTECH

Herndon, VA

$124K - $168K/yr

Full-time

Posted 16 days ago

ManTech rating

9.0

Company rating: 9.0 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

27th of 204 rated software companies

Job description

MANTECH seeks a driven and mission-focused Senior Python Developer to join our elite team based in Herndon, VA . In this role, you will contribute directly to innovative projects that support the Intelligence Community, helping to protect our country from emerging threats. This position offers the chance to grow your expertise alongside talented Software Developers, Data Engineers, and System Engineers while pioneering solutions that make a national impact.

Responsibilities include, but are not limited to:

  • Understand requirements and design and develop software components.
  • Research software concepts, develop, and demo proof-of-concepts.
  • Collaborate with team members to understand current product features.
  • Develop automated unit and integration tests.
  • Participate in code reviews and engage in the project's agile development process.
  • Effectively communicate with fellow developers and occasionally with end-users.

Minimum Qualifications:

  • Bachelor’s degree in Computer Science or similar technical field and 10+ years of experience in software development or High School Diploma and 14+ years of experience in software development.
  • 10+ years’ experience developing with Python
  • Experience in SQL and database management
  • Experience in front-end / full stack development 
  • Experience with Version Control Systems such as Git
  • Experience with containerization tools such as Docker or Kubernetes
  • Knowledge of RESTful API development and integration
  • Understanding of Linux/Unix operating system environments

Preferred Qualifications:

  • Experience with Agile development methodologies, daily SCRUM, and JIRA
  • Experience working with Node.js
  • Experience with CI/CD tools such as Jenkins or GitLab CI
  • Knowledge of cloud services such as AWS or Azure

Clearance Requirements: Active/current TS/SCI with Polygraph is required for this position.

Physical Requirements: Must be able to remain in a stationary position 50% of the time.

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