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Data Scientist (SME) - TS/SCI with Polygraph Required

Data Scientist (SME) - TS/SCI with Polygraph Required

locationMcLean, VA, USA
PublishedPublished: 12/8/2023
Natural and Environmental Sciences
Full Time


LMI is a consultancy dedicated to improving the business of government, drawing from deep expertise in advanced analytics, digital services, logistics, and management advisory services. Established as a private, not-for-profit organization in 1961, LMI is a trusted third party to federal civilian and defense agencies, free of commercial and political bias. We believe government can make a difference, and we seek talented, hardworking people who share that conviction.

Position is on the research staff of a government consulting organization and will be based out of Reston, VA. This position provides verified mathematical and scientific techniques programmatically to answer questions prioritized by the Sponsor.


  • Work with a project-based team comprised of staff and other contractors.
  • Work closely with the Sponsor to review and track data science requirements and provide regular status updates.
  • Consult with customers to determine present and future user needs for Sponsor consideration.
  • Utilize project management systems such as a Content Management System (CMS) (e.g. Wordpress), Confluence and JIRA to define and track requirements.
  • Engage frequently with customers and stakeholders to clearly explain the project status and results in both written and verbal or multimedia briefings. 
  • Provide traceability within program documents and the overall computing environment and architecture.
  • Implement data science requirements, to include data engineering and data analytics services as defined by the Sponsor.
  • Use the full software lifecycle to create data science products which include data ingestion, analytics which may include machine learning, and some form of output as either a machine-readable format (e.g. file output, database output, standard/streaming output) or a user interface or dashboard.
  • Develop robust data engineering pipelines utilizing Apache Nifi and Python to include use and development of REST APIs and microservices.
  • Clean, parse and transform data from multiple file types into appropriate database architecture (e.g. SQL, noSQL, graph) which performs at scale.
  • Develop self-guided training curriculum which includes detailed Jupyter Notebooks and documentation about how to use open-source and commercial software and Sponsor-developed data science software.
  • Develop, deploy and provide feature enhancements using Python for data science products and services, to include Python packages, code documentation, notebooks, and microservices.



  • Bachelor’s Degree in a quantitative discipline (e.g., related discipline)
  • Minimum 6-8 years experience
  • Demonstrated experience programming with Python.
  • Demonstrated experience with general Linux computing and advanced bash scripting.
  • Demonstrated experience constructing complex multi-data source queries with database technologies such as PostgreSQL, MySQL, Neo4J or RDS.
  • Demonstrated experience processing data sources containing structured or unstructured data.
  • Demonstrated experience developing data pipelines with NiFi to bring data into a central environment.
  • Demonstrated experience delivering results to stakeholders through written documentation and oral briefings.
  • Demonstrated experience using code repositories such as Git.
  • Demonstrated experience using Elastic and Kibana technologies.
  • Demonstrated experience working with multiple stakeholders.
  • Demonstrated experience documenting such artifacts as code, Python packages and methodologies.
  • Demonstrated experience using Jupyter Notebooks.
  • Demonstrated experience with machine learning techniques including natural language processing.
  • Demonstrated experience explaining complex technical issues to more junior data scientists, in graphical, verbal, or written formats.
  • Demonstrated experience developing tested, reusable and reproducible work.
  • Work or educational background in one or more of the following areas: mathematics, statistics, hard sciences (e.g. Physics, Computational Biology, Astronomy, Neuroscience, etc.) computer science, data science, or business analytics.
  • Must possess TS/SCI with polygraph.


  • Demonstrated experience with system configurations, development and design, specifically around enterprise systems.
  • Demonstrated experience communicating both verbally and in writing, when responding to emails, telephone calls and/or in person inquiries from organizational personnel.
  • Certification:
    • ISACA Certified Information Security Manager (CISM)
    • ISACA Certified Information Systems Auditor (CISA)
    • ISC Certified Information Systems Security Professional (CISSP)
    • ISC Certified Cloud Security Professional (CCSP)
    • ISC Certified Authorization Professional (CAP)

LMI is an Equal Opportunity Employer. LMI is committed to the fair treatment of all and to our policy of providing applicants and employees with equal employment opportunities. LMI recruits, hires, trains, and promotes people without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, pregnancy, disability, age, protected veteran status, citizenship status, genetic information, or any other characteristic protected by applicable federal, state, or local law. If you are a person with a disability needing assistance with the application process, please contact

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