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Senior Data Engineer Python Jobs in Reston, VA (NOW HIRING)

Actif.ai

Senior Data Engineer

Washington, DC · Remote

$108K - $147K/yr

Actifai is seeking experienced Senior Data Engineers. The Company Actifai is an AI company helping ... Proven ability in writing clean, scalable code with significant programming experience in Python ...

Actifai

Senior Data Engineer

Washington, DC · On-site +1

$120K - $163K/yr

Actifai is seeking experienced Senior Data Engineers. The Company Actifai is an AI company helping ... Proven ability in writing clean, scalable code with significant programming experience in Python ...

ford agency

Senior Data Engineer

Washington, DC · On-site

$126K - $202K/yr

The Ford Agency is actively recruiting for a Senior Data Engineer to join a top DC law firm. The ... Competency with ETL tools, cloud data platforms, and Python or similar languages * Strong ...

Analytica

Senior Data Engineer

Washington, DC · On-site

$120K - $163K/yr

The Senior Data Engineer will lead the development and maintenance of scalable, secure, and ... Strong proficiency with Apache Spark, PySpark, SQL, and Python. * Experience designing and ...

Steampunk

Senior Data Engineer

Mclean, VA · On-site

$125K - $165K/yr

We are looking for seasoned Senior Data Engineer to work with our team and our clients to develop ... Key must have skill sets - Python, AWS * Support an Agile software development lifecycle * You will ...

Steampunk

Senior Data Engineer

Mclean, VA · On-site +1

$125K - $165K/yr

We are looking for more than just a "Senior Data Engineer", but a technologist with excellent ... Key must have skill sets - Python, AWS * Support an Agile software development lifecycle * You will ...

Steampunk

Senior Data Engineer

Mclean, VA · On-site +1

$125K - $165K/yr

We are looking for more than just a "Senior Data Engineer", but a technologist with excellent ... Key must have skill sets - Python, AWS * Support an Agile software development lifecycle * You will ...

VTG

Senior Data Engineer

Chantilly, VA · On-site

$109K - $148K/yr

Overview VTG is seeking a talented and experienced Senior Data Engineer to serve as an integrator ... You will leverage your expertise in Python and SQL to condition and normalize both raw and ...

Steampunk

Senior Data Engineer

Mclean, VA · On-site +1

$125K - $165K/yr

We are looking for more than just a "Senior Data Engineer", but a technologist with excellent ... Key must have skill sets - Python, AWS * Support an Agile software development lifecycle * You will ...

Steampunk

Senior Data Engineer

Mclean, VA · On-site +1

$125K - $165K/yr

We are looking for more than just a "Senior Data Engineer", but a technologist with excellent ... Key must have skill sets - Python, AWS * Support an Agile software development lifecycle * You will ...

Steampunk

Senior Data Engineer

Mclean, VA · On-site

$125K - $165K/yr

We are looking for seasoned Senior Data Engineer to work with our team and our clients to develop ... Key must have skill sets - Python, AWS * Support an Agile software development lifecycle * You will ...

VTG

Senior Data Engineer

Herndon, VA · On-site

$109K - $148K/yr

Overview VTG is seeking a talented and experienced Senior Data Engineer to serve as an integrator ... You will leverage your expertise in Python and SQL to condition and normalize both raw and ...

VTG

Senior Data Engineer

Chantilly, VA · On-site

$109K - $148K/yr

Overview VTG is seeking a talented and experienced Senior Data Engineer to serve as an integrator ... You will leverage your expertise in Python and SQL to condition and normalize both raw and ...

Steampunk

Senior Data Engineer

Mclean, VA · On-site

$125K - $165K/yr

We are looking for seasoned Senior Data Engineer to work with our team and our clients to develop ... Key must have skill sets - Python, AWS * Support an Agile software development lifecycle * You will ...

Steampunk

Senior Data Engineer

Mclean, VA

$125K - $165K/yr

Overview We are looking for seasoned Senior Data Engineer to work with our team and our clients to ... Key must have skill sets - Python, AWS * Support an Agile software development lifecycle * You will ...

Steampunk

Senior Data Engineer

Mclean, VA · On-site

$125K - $165K/yr

Overview We are looking for seasoned Senior Data Engineer to work with our team and our clients to ... Key must have skill sets - Python, AWS * Support an Agile software development lifecycle * You will ...

Analytica

Senior Data Engineer

Washington, DC · On-site

$119K - $162K/yr

The Senior Data Engineer will lead the development and maintenance of scalable, secure, and ... Strong proficiency with Apache Spark, PySpark, SQL, and Python. * Experience designing and ...

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All JobsData Engineer Python JobsSenior Data Engineer Python JobsSenior Data Engineer Python Jobs in Reston, VA

Senior Data Engineer Python information

See Reston, VA salary details

$84.3K

$131.4K

$182.1K

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

As of Sep 15, 2026, the average yearly pay for senior data engineer python in Reston, VA is $131,426.00, according to ZipRecruiter salary data. Most workers in this role earn between $110,300.00 and $149,800.00 per year, depending on experience, location, and employer.

What does a senior data engineer python do?

A Senior Data Engineer Python is responsible for designing, building, and maintaining complex data pipelines and architectures using Python as a primary programming language. They work with large datasets, ensuring data is collected, stored, and processed efficiently to support analytics and business intelligence. Their role often includes optimizing data workflows, collaborating with data scientists, and implementing data quality and security best practices. Senior Data Engineers also mentor junior team members and may help define data engineering strategies for their organization.

What are the key skills and qualifications needed to thrive as a senior data engineer python?

To thrive as a Senior Data Engineer Python, you need deep expertise in Python programming, data modeling, and ETL pipeline design, often supported by a degree in computer science or a related field. Familiarity with big data frameworks (such as Spark or Hadoop), cloud platforms (like AWS, GCP, or Azure), and relevant certifications are highly valued. Strong problem-solving, communication, and leadership skills enable effective collaboration and project delivery in cross-functional teams. These competencies are crucial for building robust, scalable data solutions that drive business insights and operational efficiency.

How does a senior data engineer python typically collaborate with data scientists and other engineering teams?

A Senior Data Engineer working with Python often plays a central role in bridging the gap between data science and engineering teams. They design and maintain robust data pipelines that ensure clean, reliable data is available for analytics and machine learning projects. Collaboration involves frequent communication with data scientists to understand data requirements and with software engineers to integrate data solutions into production systems. This multidisciplinary teamwork helps streamline project workflows and drives the development of scalable data solutions across the organization.

What is the difference between Senior Data Engineer Python vs Data Engineer Python?

AspectSenior Data Engineer PythonData Engineer Python
Required Experience5+ years, leadership skills1-3 years, foundational skills
ResponsibilitiesDesigning architecture, mentoring, complex data pipelinesBuilding data pipelines, data collection, basic ETL tasks
CertificationsRelevant certifications (e.g., AWS, GCP)Entry-level certifications preferred
Work EnvironmentCross-functional teams, project leadershipData teams, development environment

Senior Data Engineer Python roles typically require more experience, leadership, and complex project responsibilities compared to Data Engineer Python roles, which focus on building and maintaining data pipelines with less emphasis on leadership.

What are popular job titles related to Senior Data Engineer Python jobs in Reston, VA?

For Senior Data Engineer Python jobs in Reston, VA, the most frequently searched job titles are:

What job categories do people searching Senior Data Engineer Python jobs in Reston, VA look for?

The top searched job categories for Senior Data Engineer Python jobs in Reston, VA are:

What cities near Reston, VA are hiring for Senior Data Engineer Python jobs?

Cities near Reston, VA with the most Senior Data Engineer Python job openings:

Senior Data Engineer Python jobs near you
Infographic showing various Senior Data Engineer Python job openings in Reston, VA as of September 2026, with employment types broken down into 1% Internship, 1% As Needed, 83% Full Time, 13% Part Time, and 2% Contract. Highlights an 86% Physical, 3% Hybrid, and 11% Remote job distribution, with an average salary of $131,426 per year, or $63.2 per hour.

Senior Data Engineer (Power BI & Python)

Arlington, VA • On-site

Lafayette Group Inc.
Business Management Consulting • 51 - 200 employees
Learn more about Lafayette Group Inc.external

$95K - $115K/yr

Other

Re-posted 7 days ago

Job description

Senior Data Engineer (Power BI & Python)
Lafayette Group is seeking experienced professionals to provide advanced consulting support for federal cybersecurity programs. The Senior Data Engineer (Power BI & Python) is an experienced, collaborative team member who shares our passion for supporting cybersecurity, has an innate curiosity to learn, and drives to excel with a team of like-minded colleagues in a dynamic environment. This role provides thought-leadership, technical support, and data analytics services across a broad portfolio of cybersecurity and risk management programs. This position is ideal for candidates with a blend of experience in data extraction and transformation, data analysis, and infrastructure optimization, combined with strong consulting skills.
Job Responsibilities
  • Design, build, and maintain modular, maintainable data pipelines for data ingestion and transformation in Python
  • Develop and maintain data pipelines for analytics and reporting in Python, SQL, or Power Query
  • Optimize data storage and retrieval by leveraging Paraquets columnar format using Python
  • Utilize Jupyter Notebooks to accomplish tasks such as exploratory data analysis, prototyping data transformations, and validating data pipeline outputs
  • Query data using Python and SQL to support ad-hoc business requests and identify actionable insights
  • Work with diverse data formats including relational databases, structured files, and unstructured data
  • Analyze and manage diverse data sets to improve federal and national risk insights; understand how partner organizations receive and use information from the client to drive down cyber risk.
  • Develop and deliver high-quality products (e.g., reports, briefings, demos, presentations) for data projects, tailored to the stakeholder audience
  • Provide reports that organize data analysis in a consumable format for stakeholders, including interactive data visualizations and infographics.
  • Provide advice and guidance on data analysis, processing, and data cleansing activities using innovative tools and approaches to organize qualitative and quantitative data for analysis.
  • Ability to take initiative and work independently while maintaining excellent communication with project leadership.

Required Skills:
  • Bachelor's degree in computer science, information systems management, mathematics, engineering, or other relevant discipline. Masters' degree preferred.
  • 6+ years of professional experience in business intelligence, data analytics, or similar roles.
  • Advanced Python skills for building modular, maintainable ETL pipelines purely in Python
  • Experience with Jupyter Notebooks
  • Experience writing and reading Parquet files using Pandas and PyArrow or FastParquet
  • Ability to understand and translate SQL/Postgres-based logic into Python-based workflows
  • Ability to work with a variety of structured and unstructured data formats
  • Strong grasp of data architecture and performance optimization (partitioning, compression, schema design)
  • Experience collaborating with BI teams to deliver data models that meet reporting requirements
  • Ability to query created data and provide ad-hoc reporting
  • Possession of excellent oral and written communication skills; demonstrated ability to clearly communicate technical concepts to both technical and non-technical users.

Desired Skills
  • Experience with data validation/testing frameworks
  • High-level understanding of Power BI consumption needs and data formats
  • Ability to obtain and maintain DHS Suitability (EOD).
  • Prior consulting or program support experience with DHS, CISA, or other federal cybersecurity organizations.

Location: Remote (100% Telework)
Desired Start Date: 10/1/2026
Salary Range: $95,000-$115,000
LGI carefully considers various factors when determining salary, including but not limited to education and training, professional experience, knowledge, skills and competencies, licensure and certifications, contract-specific affordability, and organizational requirements. New employees are not usually hired at the top of the estimated salary range and salary decisions depend on the circumstances and factors for each case. Salary is only one aspect of LGI's generous total compensation package.
Federal Contracts: This position involves working on federal contracts that require all workers on the contract to be U.S. Citizens. Additionally, some contracts may require the ability to obtain a security clearance.
LGI is committed to the full inclusion of all qualified individuals. As part of this commitment, we will ensure that persons with disabilities are provided reasonable accommodations for the hiring process. If reasonable accommodation is needed, please contact talent@lafayettegroup.com.

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