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

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 ...

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

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 ...

Bigbear.ai

Sr. Data Scientist

Washington, DC

$140K - $215K/yr

Overview BigBear.ai is seeking a Senior Data Scientist to conduct data analytics, data engineering, data mining, exploratory analysis, predictive analysis, and statistical analysis using scientific ...

6AM City, LLC

Senior Data Scientist

Washington, DC · On-site

$120 - $180/hr

Team Carney is actively seeking a Senior Data Scientist for a government client in the area of Intelligence. Our Data Scientists identify valuable data sources and automate collection processes ...

ICI Services

Senior Data Scientist

Washington, DC · On-site

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 ...

Socket.dev

Senior Data Scientist

Triangle, VA · On-site

$140 - $190/hr

The Senior Data Scientist expands Peter Millar's data science capacity beyond customer analytics, owning forecasting, merchandising, and operations modeling. Operating at the intersection of applied ...

Chenega Systems

Senior Data Scientist

Arlington, VA

$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 ...

Chenega Systems

Senior Data Scientist

Arlington, VA · On-site

$159K/yr

Summary 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 ...

Chenega Systems

Senior Data Scientist

Arlington, VA · On-site

$159K/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 ...

AEI

(Senior) Data Scientist

Washington, DC · On-site

The AEI Housing Center seeks a full-time, in-person (senior) data scientist to develop and manage large datasets to derive insights and inform US housing policy. The data scientist will be ...

ECS

Sr. Data Scientist

Fairfax, VA · On-site

$175K - $205K/yr

Everforth ECS is seeking a Sr. Data Scientist to join our team in Arlington, VA. This position is contingent upon contract award. Are you passionate about building intelligent search and retrieval ...

Chenega MIOS

Senior Data Scientist

Arlington, VA · On-site

$220K/yr

Req ID: 41275 Summary 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 ...

Chenega Corporation

Senior Data Scientist

Arlington, VA · On-site

$220K/yr

Summary 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 ...

BigBear.ai

Sr. Data Scientist

Washington, DC · On-site

Overview BigBear.ai is seeking a Senior Data Scientist to conduct data analytics, data engineering, data mining, exploratory analysis, predictive analysis, and statistical analysis using scientific ...

Bigbear.ai

Sr. Data Scientist

Washington, DC · On-site

$140K/yr

Overview BigBear.ai is seeking a Senior Data Scientist to conduct data analytics, data engineering, data mining, exploratory analysis, predictive analysis, and statistical analysis using scientific ...

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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 12, 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.

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 is a senior data scientist's salary?

A senior data scientist's salary typically ranges from $100,000 to $150,000 annually, depending on experience, location, and industry. Advanced skills in machine learning, statistical analysis, and proficiency with tools like Python or R can influence compensation levels.

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 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 August 2026, with employment types broken down into 92% Full Time, and 8% Contract. Highlights an 77% In-person, and 23% Remote job distribution, with an average salary of $148,209 per year, or $71.3 per hour.

Senior Data Scientist

ManTech International

Springfield, VA • On-site

Full-time

Medical, Life, Retirement, PTO

Re-posted 4 days ago

ManTech rating

9.0

Company rating: 9.0 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

32nd of 243 rated software companies

Job description

General information
Requisition #
R67701
Locations
USA-VA-Springfield
Posting Date
05/13/2026
Security Clearance Required
TS/SCI
Remote Type
Onsite
Time Type
Full time
Description & Requirements
Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!
***This is for a future opportunity***
MANTECH seeks a motivated, career and customer-oriented Senior Data Scientist to join our team in Springfield, VA. This role is 100% 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 matter expert (SME), responsible for the entire lifecycle of data analysis-from refining business requirements and developing sophisticated analytical models to provide strategic recommendations that improve organizational efficiency and mitigate insider threats. This role demands a blend of deep technical expertise, strong business acumen, and the ability to lead, manage, and support critical operational and policy-related initiatives.
Responsibilities include but are not limited to:
  • Advanced Analytics and Model Development: Architect, develop, and maintain advanced analytic models, visualizations, and tools to deter, detect, and mitigate insider threats.
  • Apply expert knowledge of industry-standard data science principles to identify anomalous events and provide actionable intelligence.
  • Strategic Business Analysis: Proactively collaborate with project requestors, senior stakeholders, and program managers to define, clarify, and refine complex business needs and strategic objectives. Utilize data-driven insights to recommend significant changes and process improvements.
  • Process Improvement and Policy Operations: Lead, manage, and support business operations and policy development lifecycles. Serve as an SME for the development, review, coordination, promulgation, and compliance of enterprise-wide policies, including the maintenance of Self-Inspection Checklists and related documentation.
  • Risk and Performance Analytics: Own the development and maintenance of sophisticated risk-scoring models and other data analytics tools. Drive the implementation and sustainment of data analysis platforms, ensuring system integrity by capturing and analyzing metrics on system errors, failures, and performance.
  • Stakeholder Engagement and Communication: Translate complex quantitative and qualitative analysis into clear, compelling visuals, dashboards, and executive-level reports. Provide authoritative visual, technical, and editorial guidance, and confidently brief senior leadership on analytical findings, forecasts, and strategic recommendations.
  • Data Governance and Integrity: Oversee the capture, maintenance, and accumulation of statistics, ensuring the accuracy of data related to timelines, product transfers between domains, and other key performance indicators.

Minimum Qualifications:
  • 7+ years proven experience in integrating, developing, and maintaining analytic models, visualizations, and tools, preferably in a security or threat-detection context and a
  • Master's Degree in Data Science, Statistics, Business, or a related field. In lieu of a masters degree, 10+ years of experience. In lieu of a bachelor's degree, 15+ years of experience
  • Expert-level knowledge of data analytics and data science principles, with a demonstrated ability to apply them to identify anomalous events and create data-driven forecasts.
  • Mastery of data visualization and dashboard development using data sets from various sources.
  • Exceptional ability to transform complex data sets into compelling visuals, reports, and briefings for leadership.
  • Direct experience supporting and maintaining risk-scoring models or similar predictive analytic systems.
  • Proficiency in creating and editing visual content such as charts and graphs to represent data.
  • Demonstrated coding experience to support writing scripts with tools such as but not limited to Java and Python. Demonstrated ability to use Share Point, Tableau, Redmine, and other systems/databases to manipulate and build data visualization.

Preferred Qualifications:
  • Experience in a leadership or mentorship role within a data analytics or business intelligence team.
  • Familiarity with geospatial analysis, web development principles, or specific program leadership reporting structures

Clearance Requirements:
  • Must have a current/active TS/SCI security clearance and be willing and able to obtain a polygraph.

Physical Requirements:
  • The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

The projected compensation range for this position is $179,300.00-$318,400.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

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