Data Scientist

Leidos

$107K — $195K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Active TS/SCI clearance with Polygraph is mandatory.
  • Bachelor's degree with 8-12 years or Master's degree with 6-10 years of relevant experience; Doctorate preferred.
  • Proficiency in Python for data projects.
  • Strong SQL skills for relational databases and API data extraction.
  • Experience in supervised/unsupervised learning and NLP techniques.
  • Knowledge of frequentist statistics and predictive modeling is essential.
  • Expertise with data visualization tools such as Tableau and Matplotlib.

Responsibilities

  • Develop statistical and machine learning models to address business challenges.
  • Execute complex SQL queries across various databases for data retrieval.
  • Conduct web scraping and process unstructured data effectively.
  • Utilize machine learning for data management and scenario predictions.
  • Adopt and implement new technologies like AWS and Git in projects.

Benefits

  • Health, dental, and vision insurance.
  • Retirement plans with company matching.
  • Generous paid time off and holidays.
  • Opportunities for professional development and training.
  • Flexible work environment to support work-life balance.
Full Job Description
Job Summary:

We are looking for a Data Scientist with an entrepreneur's mindset to support a fast-paced and growing data science team working on projects critical to National Security.

Responsibilities Include:
  • Build statistical and machine learning models, conducting natural language processing (NLP), and developing automated solutions for complex business challenges.
  • Construct and execute complex database search queries across multiple databases using SQL and API interfaces.
  • Perform web scraping and apply various techniques for processing unstructured data.
  • Leverage automation and machine learning to manage data, predict scenarios, and make data-driven recommendations.
  • Learn and leverage technologies including AWS and Git.


Basic Qualifications:
  • Must have TS/SCI with Polygraph.
  • BS degree and 8 - 12 years of prior relevant experience or Masters with 6 - 10 years of prior relevant experience. May possess a Doctorate in technical domain..
  • Experience with Python is required.
  • Strong SQL skills and experience with relational databases and APIs for data extraction is required.
  • Experience with supervised and unsupervised learning and natural language processing (NLP) is required. Familiarity with NLP libraries and tools (e.g., spaCy, Hugging Face, NLTK, or TensorFlow).
  • Experience with frequentist statistics, probability, and predictive modeling, along with knowledge of computer science concepts, data architecture, and statistical methods.
  • Proficiency with data visualization tools (e.g., Tableau, Plotly, Seaborn, Matplotlib) is required.


Original Posting:
April 13, 2026

Pay Range:
Pay Range $107,900.00 - $195,050.00

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.

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