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

Senior Data Scientist

$120k - $180k

Steampunk

OverviewWe 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 requires deep expertise in statistical modeling, feature engineering, ML experimentation, and applied problem solving. 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 insights into actionable outcomes. ContributionsLead end-to-end development of predictive and analytical models, including problem framing, hypothesis development, data exploration, feature engineering, model training, and model evaluation. Architect and implement advanced ML techniques such as ensemble models, deep learning, natural language processing, time-series models, or anomaly detection as appropriate for mission needs. Conduct rigorous model diagnostics, error analysis, and explainability studies to ensure reliability, fairness, and transparency. Collaborate with Data Engineers and MLOps/LLMOps teams to operationalize models, including pipeline automation, monitoring, drift detection, and retraining strategies. Translate complex model outputs into clear insights, stories, and recommendations for technical and non-technical audiences, including executives and mission stakeholders. Partner with cross-functional teams—including product, UX, and domain SMEs—to define requirements, refine model behavior, and incorporate human-centered design principles into analytical workflows. Lead experimentation cycles, evaluating new modeling approaches, algorithms, and data sources to continuously improve solution performance. Ensure high-quality, reproducible work through documentation, code reviews, version control, experiment tracking, and adherence to engineering best practices. Mentor Associate and mid-level Data Scientists, providing guidance on modeling techniques, coding practices, and project execution. Stay current on modern machine learning techniques, cloud-native analytics tools, and emerging trends in data science to shape strategy and elevate team capabilities. You will contribute to the growth of our AI & Data Exploitation Practice! QualificationsAbility to hold a position of public trust with the U.S. government. Bachelor’s, Master’s, or Ph.D. in Data Science, Computer Science, Statistics, Mathematics, Engineering, or a related field. 5+ years of experience designing, building, and deploying machine learning or advanced analytics solutions. Strong proficiency in Python and data science libraries (Pandas, NumPy, scikit-learn) with hands-on experience in deep learning or advanced ML frameworks (e.g., PyTorch, TensorFlow, XGBoost). Proven ability to lead data science workstreams and mentor junior practitioners. Experience using SQL and working with structured, semi-structured, or unstructured datasets at scale. Familiarity with cloud platforms (AWS, Azure, GCP) and modern ML development environments (Databricks, SageMaker, Azure ML Studio). Strong grounding in statistics, probability, experimental design, and model validation methodologies. Effective communication skills with the ability to explain highly technical concepts to non-technical audiences. Experience collaborating with product teams, engineers, and mission stakeholders to define and deliver data-driven solutions. Understanding of responsible AI principles, including fairness, explainability, bias mitigation, and reproducibility. Preferred certifications: AWS ML Specialty, Azure Data Scientist Associate, Google Professional Data Engineer, Databricks Machine Learning Professional. About steampunkSteampunk relies on several factors to determine salary, including but not limited to geographic location, contractual requirements, education, knowledge, skills, competencies, and experience. The projected compensation range for this position is $120,000 to $180,000. The estimate displayed represents a typical annual salary range for this position. Annual salary is just one aspect of Steampunk’s total compensation package for employees. Learn more about additional Steampunk benefits here. Identity StatementAs part of the application process, you are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.Steampunk is a Change Agent in the Federal contracting industry, bringing new thinking to clients in the Homeland, Federal Civilian, Health and DoD sectors. Through our Human-Centered delivery methodology, we are fundamentally changing the expectations our Federal clients have for true shared accountability in solving their toughest mission challenges. As an employee owned company, we focus on investing in our employees to enable them to do the greatest work of their careers – and rewarding them for outstanding contributions to our growth. If you want to learn more about our story, visit .We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law. Steampunk participates in the E-Verify program. Job SummaryJob ID: 7780Clearance Requirement: Public Trust

Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Senior Data Scientist in McLean, VA vacancy
  • What We Do:Data Scientists at the SEI use advanced statistics, data analytics, machine learning, and artificial intelligence to help our government and industry clients research and solve cybersecurity challenges. In this role, you will work with our customers to identify... 
    Senior
    Full time
    Work experience placement

    Carnegie Mellon University

    Arlington, VA
    2 days ago
  • Overview LMI is seeking a skilled Senior Data Scientist to support Army logistics data management through enterprise data governance, data quality, data modeling, metadata management, and executive decision support. Successfully demonstrate competency in project execution... 
    Senior
    Full time
    Work at office

    LMI

    Arlington, VA
    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

    McLean, VA
    21 hours 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
    2 days ago
  •  ...make, then choose MITRE - and make a difference with us.MITRE’s Data Science and Engineering department is looking for qualified...  ...Responsibilities:The successful candidate for this position is a hybrid Data Scientist and Data Engineer who combines strong foundations in computer... 
    Senior
    Internship
    Local area

    Mitre

    McLean, VA
    21 hours ago
  •  ...bank or merchant partners and internal business units. The Global Data Science group supports these partners by using our...  ...Visa. To support our rapidly growing group we are hiring Data Scientists who are equally passionate about the opportunity to use Visa’s... 
    Senior
    Work experience placement
    Work at office
    Local area
    Immediate start
    Free visa

    Visa

    Arlington, VA
    3 days ago
  • Provide analytical insight from organizational data to support mission critical decision making. Understand business needs and identify...  ...relationships with team members, subject matter experts, and senior leadersResearch and apply new best practices and ethical AIAdvise... 
    Senior
    Internship
    Monday to Friday

    Navy Federal Credit Union

    Vienna, VA
    2 days ago
  • $115k - $120k

     ...Senior Data Scientist The Senior Data Scientist will sit within the product organization and help drive data-informed product decisions across reporting, deep-dive analysis, product evaluations, and AI data initiatives. This role is best suited for someone who combines... 
    Senior
    Shift work

    Gannett

    McLean, VA
    8 hours ago
  • $159.24k

     ...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 professional development is embedded in your employers core culture... 
    Senior

    Chenega Corporation

    Arlington, VA
    6 days ago
  • $106.3k - $221.1k

     ...more. Join us to drive positive, lasting change that moves missions and the government forward! Job Description The Sr. Data Scientist will use client platform data to identify trends, patterns, and actionable insights supporting mission objectives and system... 
    Senior
    Live in
    Work at office
    Local area

    Accenture

    Arlington, VA
    3 days ago
  •  ...Senior Data Scientist Elder Research Inc., a wholly owned subsidiary of MANTECH international Corporation seeks a motivated, career and customer-oriented Data Scientist to join our team in Arlington, VA. This role is a remote role preferably in the Washington DC area... 
    Senior
    Work at office
    Local area
    Remote work

    Elder Research

    Arlington, VA
    4 days ago
  • $160k - $190k

     ...Data Scientist - Senior Falls Church, Virginia, United States What Impact You'll Have GRVTY is seeking a motivated and experienced Data Scientist to perform data analysis via statistical and quantitative methods, develop visualizations to support decision making... 
    Senior
    Contract work
    Immediate start

    GRVTY

    Falls Church, VA
    4 days ago
  • $99k - $225k

     ...Job Number: R0238138 Data Scientist, Senior The Opportunity: As an analytics professional, 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... 
    Senior
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Arlington, VA
    4 days ago
  •  ...in the federal space. TPS teams are bringing automation and data science into areas of the government that are crying out for...  ...Disabled About the Role: We are seeking an experienced Senior Data Scientist to support an upcoming federal contract. The successful... 
    Senior
    Full time
    Contract work
    Temporary work
    Flexible hours
    1 day per week

    Tripoint Solutions

    Arlington, VA
    5 days ago
  • $157.5k - $192.5k

     ...to delivering comprehensive medication histories to facilitating messages between providers. Job Summary: The Senior Data Scientist will play a pivotal role in developing and implementing data-driven solutions across various business functions, collaborating... 
    Senior
    Work at office
    Local area
    Immediate start
    Flexible hours

    Surescripts

    Arlington, VA
    1 day ago
  • Principal Data Scientist (GenAI) - McLean, VA 22102, 5 days onsite a week. Duration: 06 Months (Possible Extensions) Employment type: Contract Seniority level: Mid-Senior level Job Description We are seeking a highly experienced Principal Gen AI Scientist with a strong... 
    Senior
    Contract work

    Unisys

    Mc Lean, VA
    5 days ago
  •  .... Applicants must be authorized to work in the United States without the need for current or future sponsorship.Provide independent data science, machine learning, and analytical insights using member, financial, and organizational data to support mission critical decision... 
    Senior
    Internship
    Monday to Friday

    Navy Federal Credit Union

    Vienna, VA
    4 days ago
  • $131.26k - $223.13k

    ICF seeks an experienced and cleared Senior Data Scientist to support the research and development of new cyber analytic capabilities that will help the US protect and defend its networks and critical information systems. This position will support a large federal cyber... 
    Senior
    Full time
    Contract work
    Work experience placement
    Work at office
    Remote work

    ICF

    Arlington, VA
    21 hours ago
  •  ...Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team.Job Title: Senior Data EngineerLocation: McLean, VA (Remote)Summary: Our Data Engineering team is dedicated to integrating our client data and... 
    Senior
    Remote work

    Ampcus

    McLean, VA
    5 days ago
  •  ...Responsibilities The Senior Principal Data Scientist - AI Lead will be the point of contact for Public Sector / Government stakeholders and will be responsible for end-to-end AI solution delivery. This role will partner with U.S. government agencies on programs that... 
    Senior

    Jobtailor

    Vienna, VA
    3 days ago
  • $120k - $170k

    OverviewSteampunk wants you to join our awesome team as a Senior Data Visualization Engineer. In this role you'll be working with a large team of Steampunk and clients to identify data sources, tools, and mission challenges that can all be brought together to create decision... 
    Senior

    Steampunk

    McLean, VA
    2 days ago
  •  ...then consider a career in Advisory.KPMG is currently seeking a Senior Specialist to join our Federal Advisory practice.Responsibilities...  ...Support delivery of client solutions utilizing analytics, exploratory data analysis, data wrangling, and ETLDerive insights from data using... 
    Senior
    Local area

    KPMG

    McLean, VA
    4 days ago
  • $125k - $165k

     ...technology landscape, an organization’s data has never been a more important aspect in...  ...ContributionsWe are looking for seasoned Senior Data Engineer to work with our team and our...  ...project teams of developers and data scientists who build web-based interfaces, dashboards... 
    Senior

    Steampunk

    McLean, VA
    5 days ago
  •  ...MANTECH seeks a motivated, career and customer-oriented Senior GEOINT Data Scientist to join our team in Springfield, VA ! The Senior GEOINT Data Scientist will leverage their strong technical background and knowledge to support critical data environments, to... 
    Senior
    Work at office

    MANTECH

    Springfield, VA
    1 hour ago
  • $95k - $150k

     ...Are you an experienced, passionate pioneer in technology who wants to work in a collaborative environment? As an experienced Senior Data Engineer you will have the ability to share new ideas and collaborate on projects as a consultant without the extensive demands of... 
    Senior
    Permanent employment

    Deloitte

    Arlington, VA
    4 days ago
  • $125k - $165k

     ...technology landscape, an organization’s data has never been a more important aspect in...  ...ContributionsWe are looking for seasoned Senior Data Engineer to work with our team and our...  ...project teams of developers and data scientists who build web-based interfaces, dashboards... 
    Senior

    Steampunk

    McLean, VA
    5 days ago
  • $155.6k - $306.8k

     ...this role puts you at the forefront of AI transformations.Recruiting for this role ends on 10/30/2026.Work you’ll doAs a Senior Microsoft AI&Data FDE, you will work side by side with senior functional and technical client team members to rapidly prototype and deliver... 
    Senior
    Local area

    Deloitte

    McLean, VA
    4 days ago
  • $125k - $180k

    cBEYONData + SMX is seeking a Senior Data Engineer to join our team in support of a Modernized Data Science Platform for a Federal customer. This role will support IT transformation and modernization efforts by designing, building, and delivering data-driven solutions that... 
    Senior
    Contract work
    Work experience placement
    H1b
    2 days per week

    SMX

    Arlington, VA
    4 days ago
  • $128k - $252.5k

     ...together several key capabilities to architect integrated programs that transform our clients' businesses. We are hiring a Senior Data Scientist to collaborate directly with clients to design and develop novel projects and solutions. Join a rapidly growing team of professionals... 
    Senior
    Local area

    Deloitte

    McLean, VA
    4 days ago
  •  ...requires an active U.S. Government Security Clearance at the TS/SCI level with required Polygraph.Build Mission-Critical Geospatial Data and Analytics CapabilitiesThis role is built for a cleared geospatial technologist who can bridge two mission offices: one focused on... 
    Senior
    Full time
    Work at office

    Maxar Technologies

    McLean, VA
    4 days ago

Do you want to receive more vacancies?

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