Data Scientist

Leidos Holding • $107K — $195K *
Mclean, VA 22101In-Person
Aerospace & Defense
5 - 7 years of experience
Today
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Job Overview by Ladders

Qualifications

  • Top Secret/Sensitive Compartmented Information (TS/SCI) clearance with Polygraph required.
  • BS degree with 8-12 years or Master's with 6-10 years of relevant experience, Doctorate in a technical domain preferred.
  • Proficiency in Python programming.
  • Experience in social network analysis (SNA).
  • Strong SQL skills with experience in relational databases and APIs.
  • Expertise in supervised and unsupervised learning and natural language processing (NLP).
  • Familiarity with data visualization tools such as Tableau or Matplotlib.

Responsibilities

  • Build and implement statistical and machine learning models for data-driven solutions.
  • Construct complex SQL queries and interface with APIs across multiple databases.
  • Conduct web scraping to process unstructured data.
  • Utilize automation and machine learning for data management and predictive analytics.
  • Adopt new technologies such as AWS and Git for data science projects.

Benefits

  • Opportunities for professional development and training.
  • Collaborative work environment focused on national security projects.
  • Access to cutting-edge technologies and tools.
  • Flexible work arrangements to support work-life balance.
  • Engagement in meaningful projects with a direct impact on national security.
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 relevant technical experience or Master’s with 6 – 10 years of relevant experience. May possess a Doctorate in technical domain.
  • Experience with Python is required.
  • Social network analysis (SNA) experience
  • 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.

#ASBA

Original Posting:
July 31, 2026

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

The Leidos pay range for this job level is a general guideline onlyand 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.

About Leidos Holding

Leidos Holding Careers

Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

Explore Career Opportunities

Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

Innovation and Professional Growth

At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

Commitment to Diversity and Inclusion

Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

Internship Programs

For those starting their career, Leidos Holding offers internship programs that provide a robust foundation in the industry. Internships are a great way to develop essential skills, gain valuable work experience, and build professional networks.

Benefits and Culture

Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.

Join the Team

Leidos Holding is hiring! Explore job opportunities that match your skills and interests. Leidos Holding looks for driven, curious, and innovative individuals to join their team. Positions are available across various disciplines and experience levels.

Stay Connected

Stay informed with the latest career tips, industry insights, and company news from Leidos Holding. Subscribe to receive updates and be the first to know about new job opportunities, company developments, and more.

Prepare for Your Interview

To prepare for an interview at Leidos Holding, candidates should familiarize themselves with the company's missions and values, update their resumes, and be ready to discuss how their background and skills align with the position they are applying for.

Networking and Career Advancement

Leidos Holding encourages its employees to engage in networking within the company to discover new opportunities for career advancement. The leadership team at Leidos Holding is dedicated to supporting employees in their career paths with ample opportunities for networking and growth.

Explore Leidos Holding Jobs and Careers

Discover the exciting career opportunities at Leidos Holding today. With a commitment to employee growth, innovation, and diversity, Leidos Holding is the perfect place to advance your career. Check out the latest job listings and find your perfect fit at Leidos Holding.

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Learn more about Leidos Holding
Industry
Technical Services
* Ladders Estimates

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