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Job #: R-00017483
Location: Washington, DC
Schedule (FT/PT): Full Time


Job Requisition:

Chief Data Scientist (SME) - TS/SCI w/ Poly

Job Description:

This role provides technical expertise and leadership for a large complex DOD environment: identifying the application of data science, engineering, machine learning and/or statistical techniques to support and advance analytic tradecraft, exploitation of data sets and solving customer hard problems . This role creates the vision and technology innovations for data science ; and oversees the implementation of machine learning algorithms and advanced statistics such as: regression, clustering, decision trees, exploratory data analysis methodology, simulation, scenario analysis, modeling, and neural networks. This role requires strong analytical skills in data mining, Natural Language Processing (NLP), entity resolution, Social Network Analysis (SNA), correlation and machine learning to improve relevance and personalization algorithms. This role collaborates across the organization in designing experiments, prototyping and identifying viable products.

Primary Responsibilities

This role designs and develops methods, processes, and systems to consolidate and analyze structured and unstructured, diverse sources including “big data” sources. This role identifies and validates advanced software programs, algorithms, query techniques, models complex business problems, and automated processes to cleanse, integrate, and evaluate datasets. This role analyzes the requirements and evaluates technologies for data science capabilities including Natural Language Processing, Machine Learning, Predictive modeling, statistical analysis and hypothesis testing. Works with cross-discipline teams to ensure connectivity between various data sources and business problems. Identifies meaningful insights and interprets and communicates findings and recommendations. Maintains awareness of emerging data science techniques, analytics and big-data technologies.

Basic Qualifications

  • - Master’s degree in engineering, computer science, or other related technical field or Bachelor’s degree in a business or management-related field accompanied by experience managing technical requirements in complex programs.
  • - Experience displaying expert domain knowledge in a technical field.
  • - Experience negotiating complex scenarios and challenges and devising courses of action to resolve situations with predictable outcomes.
  • - Experience leading critical objectives where decision making is of utmost concern to the outcome.
  • - Experience supervising others.
  • Candidate must have BS and 15+ years of prior relevant experience or Masters and 13+ years of prior relevant experience.
  • Candidate must have an active TS/SCI with a polygraph.

External Referral Bonus:


Potential for Telework:


Clearance Level Required:

Top Secret/SCI with Polygraph



Scheduled Weekly Hours:




Requisition Category:


Job Family:

Data Scientist




Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 33,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $10.19 billion for the fiscal year ended December 28, 2018. For more information, visit

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to

Commitment to Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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