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:
- US Citizenship is required
- Candidate must possess an active TS/SCI, or a Top Secret clearance with a current SSBI, and be eligible to obtain a TS/SCI w/ poly level clearance
- BS degree and >6 years of prior relevant experience or MS with >4 years of prior relevant experience. May possess a Doctorate in a technical domain
- 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
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting:September 24, 2025For 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.
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.
Top Skills
What We Do
We Are Leidos
For 50 years we have been tackling some of the biggest problems that face our nation and our world.
OUR MISSION
Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
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