Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Data Scientist

$105.3k - $175.5k

Mantech

Senior/Lead Data ScientistElevate your career with MANTECH International Corporation! Join a dynamic team dedicated to national security through cutting-edge technology. Since 1968, MANTECH has led in delivering advanced solutions to government intelligence, the Department of Defense, and Federal Civilian sectors. Dive into innovation in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Your journey to impactful work and rapid growth starts now—be extraordinary at MANTECH!MANTECH seeks a motivated, career and customer-oriented Senior/Lead Data Scientist to join our team, with the ability to work in a hybrid capacity, spending 2 days per week at a local MANTECH office in Raleigh, NC, Arlington, VA, or Charlottesville, VA.The Senior/Lead Data Scientist will apply their strong technical background in Python and expertise in advanced AI/ML solutions to (1) design, develop, and validate marketing mix models or other causal models, (2) build LLM-powered MVP-type applications and tools, and (3) contribute to or lead other general data science projects. You will translate complex data into actionable insights while working closely with both technical and non-technical stakeholders in a hybrid work environment (2 days per week on-site at a MANTECH office).Responsibilities include but are not limited to:Developing, testing, and validating marketing mix models (MMM) or other causal models, where standard model fit metrics alone are insufficient.Rapidly prototyping and building production-ready MVPs using Python, Snowflake, Microsoft Copilot, and other components.Engaging directly with technical and non-technical clients to understand business requirements and translate them into actionable analytical solutions.Establishing or communicating best practices for modeling and data science to ensure model accuracy, reliability, and business impact across complex data environments.Collaborating across multi-disciplinary teams to drive data science best practices and communicate technical findings to customer leadership.Minimum Qualifications:Bachelor's Degree in Computer Science, Data Science, Statistics, Applied Mathematics, or a related field with 4+ years of progressively responsible experience in data science and machine learning.Proven hands-on experience building and deploying tools or systems in Python that make use of generative AI (e.g., RAG pipelines, agentic workflow, or similar using Python).Demonstrated expertise in building and validating marketing mix modeling (MMM) or other causal models.Preferred Qualifications:Excellent interpersonal and communication skills with a proven track record of working directly with technical and non-technical clients.Master's Degree or Ph.D. in a quantitative field with 7 to 8+ years of relevant data science experience.Deep technical background in advanced causal inference, experiment design, or econometrics.Experience leading technical teams or acting as a primary liaison between customer stakeholders and engineering groups.Experience with the R programming language in data science or statistics.Self-starter with excellent people skills - able to work across teams, organize meetings/boards, and drive change throughout an organization.Clearance Requirements:US citizenship required.Physical Requirements:Must be able to remain in a stationary position 50%. Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.The projected compensation range for this position is $105,300.00-$175,500.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, 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 and provide your name and contact information.

Vacancy posted 17 hours ago
Similar jobs that could be interesting for youBased on the Senior Data Scientist in Arlington, VA vacancy
  •  ...talent and our customers’ business challenges, Take2 will work as a partner to best resolve client needs. Take2 is hiring a Senior Data Scientist who currently holds a minimum of a Secret Clearance . This position is fully onsite , and it requires you to work out... 
    Senior
    Full time

    Take2 Consulting, LLC

    Arlington, VA
    1 day ago
  •  ...drastic numbers by making the produce supply chain smarter through data-driven decisions. Strella uses proprietary sensors to...  ...growth stage. Role We are looking for an ambitious data scientist with 5+ years of experience to help us build the next generation... 
    Senior
    Work experience placement
    Work at office

    Strella

    Washington DC
    1 day ago
  •  ...About the Role We are looking for a Senior Data Scientist - Experimentation & Causal Inference to serve as the statistical brain behind our rapidly growing experimentation program. You will own the methodology layer that ensures every experiment we run is trustworthy... 
    Senior
    Full time

    ByLabs

    Washington DC
    1 day ago
  • OverviewWe are seeking an experienced NLP Data Scientist / Machine Learning Engineer to provide advanced data science and Natural Language...  ...structured and unstructured data into actionable insights that support senior-level decision-making related to production, resources,... 
    Senior

    VTG

    McLean, VA
    2 days ago
  •  ...Washington, DC Description TeleSolv Consulting has a great opportunity for you to work with the Federal Government as a Senior Data Scientist. This position is an on-site position in Washington, DC/Ashburn, VA. The Senior Data Scientist will be responsible for... 
    Senior
    Full time
    Temporary work
    Work at office

    TeleSolv Consulting

    Washington DC
    2 days ago
  • $155k - $170k

    Tetra Tech AMT is looking for a Senior Data Scientist to support a highly visible new FAA project in the initial project standup of executable processes and analytics at the direction of FAA management for pre-departure planning.Primary job duties and responsibilities may... 
    Senior
    For contractors
    Shift work
    Night shift
    Afternoon shift

    EGlobalTech

    Washington DC
    1 day ago
  • $175k - $180k

    Celestar Corporation is currently seeking a Senior Data Scientist seated in the National Capital Region. If interested and qualified, we welcome you to apply for this challenging opportunity.LOCATION: National Capital Region (NCR)CLEARANCE REQUIREMENT: Active TS/SCI with... 
    Senior
    Work at office

    Celestar

    Washington DC
    1 day ago
  •  ...future of Navy support. ICI Services is a 100% employee-owned company proudly celebrating 26 years of excellence—is seeking a Senior Data Scientist to Join our Team in Washington, DC. At ICI Services, our employee-owners drive innovation and deliver mission-focused... 
    Senior
    For contractors

    ICI Services Corporation

    Washington DC
    4 days ago
  • $99k - $225k

    Data Scientist, SeniorThe Opportunity: As a data scientist, you’re excited at the prospect of unlocking the secrets held by a data set, and you’re fascinated by the possibilities presented by IoT, machine learning, and artificial intelligence. In an increasingly connected... 
    Senior
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Arlington, VA
    2 days ago
  • $99k - $225k

    Data Scientist, SeniorThe Opportunity: As a data scientist, you’re excited at the prospect of unlocking the secrets held by a data set, and you’re fascinated by the possibilities presented by IoT, machine learning, and artificial intelligence. In an increasingly connected... 
    Senior
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work
    Shift work

    Booz Allen Hamilton

    Washington DC
    4 days ago
  • $99k - $225k

    Data Scientist, SeniorThe Opportunity: As a data scientist, you’re excited at the prospect of unlocking the secrets held by a data set, and you’re fascinated by the possibilities presented by IoT, machine learning, and artificial intelligence. In an increasingly connected... 
    Senior
    Full time
    Contract work
    Part time
    Local area
    Remote work

    Booz Allen Hamilton

    McLean, VA
    3 days ago
  • $148.5k - $223.9k

     ...future of AI, and you are the future of Salesforce.The TeamThe Data Science & Analytics team in Salesforce Cyber Security Operations Center seeks an experienced, driven, and creative Senior Data Scientist to join the team. We explore, invent, build and scale new ways to... 
    Senior
    Full time

    Salesforce

    McLean, VA
    1 day ago
  •  ...purpose — and help shape the future.Department Summary:MITRE’s Data Science and Engineering department is looking for qualified applicants...  ...:The successful candidate for this position is a hybrid Data Scientist and Data Engineer who combines strong foundations in computer... 
    Senior
    Internship
    Local area
    3 days per week

    Mitre

    McLean, VA
    3 days ago
  • $160k - $200k

    Job TitleSenior Data ScientistLocationWashington, DC 20032 US (Primary)CategoryResearch...  ...DescriptionPrescient Edge is seeking a Sr. Data Scientist to support a federal government client....  ...and an additional 5 years of related Senior experience for a total of 17 years, as a... 
    Senior
    Work at office

    Prescient Edge

    Washington DC
    5 days ago
  • $155k - $163k

     ...Bow Wave LLC is hiring a Senior Data Scientist for an onsite role in Arlington, VA . The position supports work at the intersection of custom AI training and Natural Language Processing (NLP) , with a focus on turning unstructured data into insights teams can... 
    Senior

    Bow Wave LLC

    Arlington, VA
    4 days ago
  •  ...Senior Data Scientist If the following job requirements and experience match your skills, please ensure you apply promptly. Location : 5 day onsite Washington Navy Yard, District of Columbia. Role Summary We are seeking a highly skilled Senior Data Scientist... 
    Senior

    BBI

    Washington DC
    1 day ago
  • $85 - $90 per hour

     ...Position Title: Data Scientist(AI Focused) Location: Mclean, VA Onsite Duration: 6-12 Months Job Description: Client is seeking a highly analytical and execution focused Data Scientist to support the newly formed AI Execution function. This role... 
    Senior
    Full time

    Pinnacle Group

    McLean, VA
    2 days ago
  •  ...in AI and B2B technology. Every search we run produces data: each interaction with candidates, with our clients, and the...  ...act on, and that improves with every search. We’re hiring a Senior Data Scientist to build the models that make that possible. The Role... 
    Senior
    Remote work

    The Cole Group

    Washington DC
    18 hours ago
  •  ...Senior Geospatial Data Scientist SynMax, Inc. Washington, District of Columbia, United States About this position About SynMax, Inc. SynMax is a geospatial intelligence company. We fuse multi-sensor satellite imagery with signals, vessel-tracking and proprietary... 
    Senior

    SynMax, Inc.

    Washington DC
    3 days ago
  •  ...quantitative field Coursework or work experience applying predictive modeling techniques from finance, statistics, mathematics, data science, or computer programming to large data sets. Qualifying coursework may include—but is not limited to—statistics, mathematical... 
    Senior
    Work experience placement

    Compunnel

    McLean, VA
    4 days ago
  • $115k - $120k

     ...Strategic Operational Solutions (STOPSO) is seeking candidates for a Data Scientist role to support a federal client where we are focused on...  ...and solutions through proven successful methods. The Senior Data Scientist supports data engineering, analytics, data processing... 
    Senior
    Fixed term contract

    STOPSO

    Washington DC
    4 days ago
  •  ...Overview Streamline Defense is seeking a Senior Data Scientist to support the Defense Intelligence Agency at DIA Headquarters, Joint Base Anacostia-Bolling, Washington, DC. This is an immediate‑fill position on an active program applying data science, analytics, and... 
    Senior
    Immediate start

    Streamline Defense

    Washington DC
    4 days ago
  •  ...Senior Data Scientist (Generative AI & Machine Learning) Remote - Full-Time | AI / ML | Data & Analytics Base Salary ~170K to 210K + 15% bonus Cherry Bekaert is partnering with a rapidly growing global data and analytics organization undergoing a major AI transformation... 
    Senior
    Full time
    Remote work

    Cherry Bekaert Recruiting & Staffing Services

    Washington DC
    2 days ago
  • $106.3k - $221.1k

     ...Senior Data ScientistAt Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger...  ...change that moves missions and the government forward!The Sr. Data Scientist will use client platform data to identify trends, patterns,... 
    Senior

    Accenture Federal Services

    Arlington, VA
    5 days ago
  • $118.04k - $156k

     ...business in the governmentcontracting industry. Vericol’s founder and CEO has held suchroles as Chief Growth Officer and Chief Data Scientist for ITcontractors serving the federal government. Vericol’s business isin three areas, as described below. Business Consulting... 
    Senior
    Contract work
    For contractors
    Work experience placement
    Remote work

    Vericol LLC

    Arlington, VA
    2 days ago
  •  ...About the role Afiniti uses data science to enhance human interactions in large enterprises by efficiently pairing customers or...  ...client’s existing system and the majority of calls using our data‑scientist‑designed pairing and next‑best‑action recommendation strategies... 
    Senior
    Work experience placement
    Remote work
    Night shift

    Afiniti

    Washington DC
    4 days ago
  •  ...Senior Data ScientistLocation: Washington, D.C. 20024Duration: 1-year base period with four (4) one-year option periods and one (1) six-month extensionRequired experience for each Data Scientist includes the following:Masters, Ph. D., or doctorate-level equivalent degree... 
    Senior
    Work experience placement
    Shift work

    Compu-Vision Consulting

    Washington DC
    18 hours ago
  • $100k - $165k

     ...Senior Data Scientist Data AnalyticsArlington, Virginia Sep 3, 2026 Sr Data ScientistBlu Omega is seeking a Sr Data Scientist to support a federal program focused on data analytics. This role operates within a remote environment and is responsible for supporting AI initiatives... 
    Senior
    Remote work

    Blu Omega

    Arlington, VA
    18 hours ago
  •  ...Senior Data ScientistWashington D.C. / New YorkAbout The RoleWe are seeking a highly motivated and innovative Senior Data Scientist (AI/ML) to join our brilliant team of analytics professionals and developers, supporting the cutting-edge development of credit scoring models... 
    Senior
    Flexible hours

    VantageScore®

    Washington DC
    17 hours ago
  • $115k - $150k

     ...excited to be part of a team that’s leading the way in AI‑powered collaboration, we’d love to meet you. We are looking for a Data Scientist who can help us move beyond using AI only as a coding assistant and toward using AI to design, build, evaluate, and improve AI... 
    Senior
    Work at office
    Worldwide

    Cvent

    McLean, VA
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Data Scientist. Be the first to apply!