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Senior Data Scientist Jobs in Reston, VA (NOW HIRING)

Brillient

Senior Data Scientist

Washington, DC · On-site

Brillient is seeking a Senior Data Scientist provide expert leadership and guidance in performance under this contract. It is expected that this key personnel position shall be responsible for ...

Teledyne

Senior Data Scientist

Falls Church, VA · On-site

We are seeking a Senior Data Scientist to join our Advanced Analytics team whose mission is to provide insights and solve problems in support of DoD missions and force readiness. This team provides ...

ManTech

Senior Data Scientist

Springfield, VA

The Senior Data Scientist leads the integration and application of advanced data analytics to solve complex business challenges and enhance mission security. The contractor will serve as a subject ...

Analytica

Junior Data Scientist

Bethesda, MD · On-site +1

Analytica is seeking a Jr. Data Scientist to support a defense health mission critical program. The ideal candidate will be comfortable working directly with clients in consulting and delivery ...

ManTech

Senior Data Scientist

Springfield, VA · On-site

The Senior Data Scientist leads the integration and application of advanced data analytics to solve complex business challenges and enhance mission security. The contractor will serve as a subject ...

HazeGrayCyber

Senior Data Scientist

Washington, DC · On-site

Description Senior Data Analyst Req ID 002-25 v1.0 HazeGrayCyber, LLC is focused on delivering ... IBM Data Science Professional Certificate * Or other comparable certification programs through ...

HazeGrayCyber

Senior Data Scientist

Washington, DC

Senior Data Analyst Req ID 002-25 v1.0 HazeGrayCyber, LLC is focused on delivering Cyber Security ... IBM Data Science Professional Certificate * Or other comparable certification programs through ...

ICI Services

Senior Data Scientist

Washington, DC

Senior Data Scientist must have knowledge of and access to program datasets and broader information systems and databases such as NSWC Corona Ship Maintenance Data Improvement Initiative (SMDII ...

Berriehill Research

Senior Data Scientist

Alexandria, VA · On-site

$13K - $160K/yr

The Capabilities, Analysis and Development (CAD) division of Applied Research Associates, Inc. (ARA) has an outstanding opportunity for a Senior Data Scientist to support a multidisciplinary team ...

Steampunk

Senior Data Scientist

Mclean, VA · On-site

$120K - $180K/yr

The Senior Data Scientist will lead project workstreams, guide modeling strategy, mentor junior team members, and partner with engineering, product, and mission stakeholders to translate analytical ...

Steampunk

Senior Data Scientist

Mclean, VA

$120K - $180K/yr

The Senior Data Scientist will lead project workstreams, guide modeling strategy, mentor junior team members, and partner with engineering, product, and mission stakeholders to translate analytical ...

Steampunk

Senior Data Scientist

Mclean, VA · On-site

$120K - $180K/yr

We are seeking a Senior Data Scientist to lead the design, development, and deployment of advanced analytical models and machine learning solutions that drive mission and business impact. This role ...

Chenega Systems

Senior Data Scientist

Arlington, VA · On-site

$220K/yr

Overview Senior Data Scientist Arlington, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional ...

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Showing results 21-40

All JobsData Scientist JobsSenior Data Scientist JobsSenior Data Scientist Jobs in Reston, VA

Senior Data Scientist information

See Reston, VA salary details

$43.2K

$148.2K

$209.1K

How much do senior data scientist jobs pay per year?

As of Aug 1, 2026, the average yearly pay for senior data scientist in Reston, VA is $148,209.00, according to ZipRecruiter salary data. Most workers in this role earn between $123,300.00 and $173,200.00 per year, depending on experience, location, and employer.

What are some of the main challenges Senior Data Scientists face when leading cross-functional projects?

Senior Data Scientists often encounter challenges such as aligning project goals across diverse teams, managing expectations of non-technical stakeholders, and ensuring data quality and accessibility. Balancing long-term research initiatives with immediate business needs can also be demanding. Effective communication, project management skills, and the ability to translate complex findings into actionable insights are essential for overcoming these hurdles and driving successful outcomes.

Is 40 too late for data science?

Age is not a barrier to becoming a senior data scientist; many professionals transition into data science later in their careers. Success depends on acquiring relevant skills such as programming, statistics, and machine learning, often through online courses or certifications, regardless of age.

What is the 80 20 rule in data science?

In data science, the 80/20 rule, also known as the Pareto principle, suggests that roughly 80% of results come from 20% of the efforts or features. Data scientists often use this concept to focus on the most impactful variables or tasks to optimize model performance and efficiency.

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

To thrive as a Senior Data Scientist, you need advanced expertise in statistics, machine learning, data analysis, and programming, typically supported by a degree in a quantitative field and several years of experience. Familiarity with tools like Python, R, SQL, cloud platforms, and machine learning frameworks, as well as relevant certifications such as AWS Certified Machine Learning or TensorFlow Developer, is highly valuable. Strong problem-solving abilities, communication skills, and leadership qualities help in translating data insights into actionable business strategies and mentoring junior team members. These skills and qualities are crucial for driving impactful data-driven decisions and fostering innovation within organizations.

What does a senior data scientist make?

A senior data scientist typically earns between $100,000 and $150,000 annually, depending on experience, location, and industry. They often have advanced skills in machine learning, statistical analysis, and programming languages like Python or R, and may also receive bonuses or stock options.

What does a Senior Data Scientist do?

A Senior Data Scientist leads advanced analytical projects, utilizing statistical modeling, machine learning, and data mining techniques to extract insights from large datasets. They collaborate with cross-functional teams to identify business opportunities, design predictive models, and communicate findings to stakeholders. In addition to technical expertise, they often mentor junior data scientists, help define data strategies, and ensure best practices in data analysis and model deployment.

What is the highest paid job in data science?

The highest paid roles in data science are often senior positions such as Lead Data Scientist, Chief Data Officer, or Data Science Director, with salaries exceeding $150,000 annually. These roles typically require extensive experience, advanced skills in machine learning and big data tools, and often involve strategic decision-making responsibilities.

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

AspectSenior Data ScientistData Analyst
Required CredentialsMaster's or PhD in Data Science, Statistics, or related fieldBachelor's degree in related field, often with certifications
Work EnvironmentAdvanced analytics, modeling, and machine learning projectsData reporting, visualization, and basic analysis
Employer & Industry UsageTech, finance, healthcare, and large enterprisesRetail, marketing, small to medium businesses

While both roles involve working with data, Senior Data Scientists focus on complex modeling and predictive analytics, whereas Data Analysts primarily handle data reporting and visualization. The Senior Data Scientist role requires advanced technical skills and higher education, making it suitable for more complex projects in larger organizations.

What Is a Senior Data Scientist?

A senior data scientist does complex data analysis. Job duties include gathering data and writing reports that can help people make decisions. In some cases, they may offer machine learning which is a way to help computers process and understand data. A senior data scientist may also be asked to formulate an algorithm to solve work problems. You need statistics and programming knowledge to be successful in this career.

More about Senior Data Scientist jobs
What are the most commonly searched types of Data Scientist jobs in Reston, VA? The most popular types of Data Scientist jobs in Reston, VA are:
What are popular job titles related to Senior Data Scientist jobs in Reston, VA? For Senior Data Scientist jobs in Reston, VA, the most frequently searched job titles are:
What job categories do people searching Senior Data Scientist jobs in Reston, VA look for? The top searched job categories for Senior Data Scientist jobs in Reston, VA are:
What cities near Reston, VA are hiring for Senior Data Scientist jobs? Cities near Reston, VA with the most Senior Data Scientist job openings:
Senior Data Scientist jobs near you
Infographic showing various Senior Data Scientist job openings in Reston, VA as of July 2026, with employment types broken down into 1% As Needed, 84% Full Time, 11% Part Time, 1% Temporary, and 3% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $148,209 per year, or $71.3 per hour.

Senior Data Scientist

Brillient

Washington, DC • On-site

Full-time

Re-posted 10 days ago

Job description

Brillient is seeking a Senior Data Scientist provide expert leadership and guidance in performance under this contract. It is expected that this key personnel position shall be responsible for leading the overall development of data models and algorithms to support machine learning.

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