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Senior Python Data Analysis Jobs in Virginia (NOW HIRING)

Palnar

Sr. Python Data Engineer

Mclean, VA · On-site

Python, Java, Spark, SQL, Databricks, RESTful APIs, AWS Glue, ECS S3 The role is to continue to ... This work involves building pipelines to get data into the platform, update drools based rules, and ...

Mindlance

Senior Python Developer

Mclean, VA · On-site

$124K - $167K/yr

Senior Python Developer Location: 6 Months Duration: Mclean, VA 22102 Fully Onsite: M-F Must Have ... Experience with data manipulation and analysis using data frames (e.g., Pandas). * Proficiency with ...

CGI Inc.

Senior Python Developer with Spark

Reston, VA · On-site

$126K - $170K/yr

Senior Python Developer with Spark Category: Project Management Main location: United States ... Proven ability to work with large scale datasets, performing data analysis and extracting ...

eSolutionsFirst

Senior Python Developer

Mclean, VA · On-site

$123K - $165K/yr

Job Summary : eSolutionsFirst is seeking a Senior Python Developer to support the development of ... analytics, data management & cloud services. Founded in 2007, the company is headquartered in ...

Mindlance

Sr. Python Developer

Mclean, VA · On-site

$124K - $167K/yr

Work with cross-functional teams on data model development, design of data integration architecture ... Experience analyzing and joining large datasets across multiple sources. * Experience in API ...

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 ...

ManTech

Senior Python Developer

Herndon, VA · Remote

$141K - $236K/yr

... IT, Data Analytics and Software Development. Elevate your career and make a difference. Your ... MANTECH seeks a driven and mission-focused Senior Python Developer to join our elite team based in ...

ManTech International

Senior Python Developer

Herndon, VA · On-site

$141K - $236K/yr

... IT, Data Analytics and Software Development. Elevate your career and make a difference. Your ... MANTECH seeks a driven and mission-focused Senior Python Developer to join our elite team based in ...

NALLEY CONSULTING

Data Scientist - Sr

Reston, VA · On-site

... Python, R, or Java, to manipulate and analyze data • Demonstrated ability to work effectively ... senior-level government representatives • Ability to clearly express in writing technical ...

NALLEY CONSULTING

Data Scientist - Sr

Reston, VA · On-site

... Python, R, or Java, to manipulate and analyze data • Demonstrated ability to work effectively ... senior-level government representatives • Ability to clearly express in writing technical ...

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 ...

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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.
Sr. Python Data Engineer

Sr. Python Data Engineer

Palnar

Mclean, VA • On-site

Full-time

Posted 10 days ago

Job description

Java is the primary language with some pipelines written in Python, knowledge of Spark, SQL and AWS will also be critical to succeed in the role.
Tech Stack: Python, Java, Spark, SQL, Databricks, RESTful APIs, AWS Glue, ECS S3
Job Description: The role is to continue to build our real time decisioning system for credit card transactions. This work involves building pipelines to get data into the platform, update drools based rules, and take the models built by our data science team and make them production ready and scalable. Candidate hired into this role will also expected to run and debug production infrastructure in the AWS environment. Java is the primary language with some pipelines written in Python, knowledge of Spark, SQL and AWS will also be critical to succeed in the role. Required experience with Python, Java, Spark, SQL, Databricks, RESTful APIs, AWS Glue, ECS, & S3

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