Description
The Mission Solutions Business Area at Leidos has an opening for a Data Scientist in Reston, Virginia to support a fast-paced software development team working on projects critical to National Security. The primary focus of the group is reverse engineering Weapons of Mass Destruction (WMD) related installations. Candidate must bring a creative, yet sound, approach to identifying and solving challenges, and have exceptional attention to detail and a commitment to thoroughness The successful candidate will have experience in statistical analysis, data ingestion/processing, and experience with methods/analytics development, to support our customer’s data analytics program. You will work as part of a team to support the verification and validation of computer assisted product development and to present the results to the customer.
Role and Responsibility:
The candidate shall perform the following as part of a larger team:
Build statistical models, test hypotheses, interpret, summarize, visualize, and succinctly report on data findings
Perform research on various data sources, to include unstructured data using quantitative and qualitative content analytics
Construct and perform complex database search queries in multiple databases using SQL and API interfaces
Perform web scraping and apply various techniques for processing unstructured data. The Scientist will leverage automation and machine learning to manage data, predict scenarios and make recommendations.
Contribute to building new analytical tools and packages across the enterprise and will be expected to collaborate with team members in a highly technical environment
Learn and leverage emerging technologies including AWS and Git
Excellent written and verbal communication skills with the ability to successfully brief and interact with personnel at all levels of experience, including Senior Officials
Requirements and Qualifications:
There are varying levels of Data Scientist roles available:
Range - BS degree and 4+ years of prior relevant experience or MS with 2 years of prior relevant experience to Bachelor of Science and 12+ years of experience or Masters and 10+ years experience.
Must have a Data Science, Operations Research or related degree
Strong experience with Python
Experience working with data manipulation, analytic/business insight tools, and data visualization experience
Experience constructing and performing complex database search queries
Experience/knowledge of computer science concepts, data architecture, and experience/knowledge of statistics
Demonstrated experience using statistical and machine learning techniques including supervised and unsupervised learning and natural language processing
Experience/familiarity with frequentist statistics and probability including predicative modeling
Ability to communicate technical findings to non-technical audiences
Preferred Qualifications:
Experience with spatial (3D) or building infrastructure (e.g. electrical, HVAC systems) data
Experience with AI model development
Experience with Defense Intelligence Agency computer systems and data management processes
Come break things (in a good way). Then build them smarter.
We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.”
Original Posting:
October 2, 2025
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $85,150.00 - $153,925.00
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
