Data Scientist - Mid Level active TS/SCI

Leidos Holding$59K — $106K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 3-6 years of programming experience in Python or R (statistical analysis) and basic machine learning.
  • Active TS/SCI clearance with willingness for Polygraph approval.
  • Bachelor's Degree in a relevant field (or equivalent experience).
  • Working knowledge of ArcGIS, ArcSDE, and ArcPro.
  • Familiarity with data science libraries, PostgreSQL, Postgis, and APIs.

Responsibilities

  • Provide data management and automation support in a geospatial analysis division.
  • Develop modernized data management workflows for various programs.
  • Collaborate with senior team members to enhance database processes and workflows.
  • Document existing data management practices and system dependencies.
  • Design improved workflows that incorporate automation from the outset.
  • Integrate new workflows with modern database applications and APIs.
  • Enhance existing models and simulations for data production and monitoring.

Benefits

  • Opportunities for professional growth and advancement.
  • Access to cutting-edge technology and resources.
  • Engagement in impactful projects within the government sector.
  • Collaborative team environment focused on innovation.
Full Job Description
Leidos is actively seeking a Data Scientist to join our growing team in St. Louis, MO.

This interesting work requires staff qualified to have a basic understanding of GEOINT integration work. The work requires a basic understanding of GEOINT from collection, exploitation, analysis and product delivery capabilities.

Primary Responsibilities

  • Provide data management and automation support to a specialized imagery and geospatial analysis division within a government or enterprise organization.
  • Assist with developing a modernized data management workflow supporting multiple organizational programs.
  • Collaborate with senior data scientists, database developers, and analysts to implement and sustain updated database processes and workflows.
  • Research and document existing data management practices, procedures, and system dependencies.
  • Help design improved workflows with automation incorporated from the outset.
  • Ensure new workflows integrate effectively with modern database applications and enterprise-level application programming interfaces.
  • Enhance existing models and simulations involving production, monitoring, and change-detection data.
  • Support additional data management and modernization initiatives as required.
  • Develop code and scripts, including the conversion of legacy applications written in multiple programming languages into Python-based solutions.
  • Implement enterprise database management standards, processes, and controls.
  • Automate repetitive data preparation, validation, transformation, and reporting tasks.
  • Deliver technical solutions that apply industry best practices to modernize existing operational processes.
  • Conduct data investigations using applied statistics, algorithm development, and collaboration with subject-matter experts.
  • Translate complex analytical findings and operational realities into clear explanations for non-technical audiences.
  • Create visualizations and dashboards from diverse data sources that are accessible and understandable to non-technical users.


Basic Qualifications
  • 3-6 years' experience in programming languages such as Python or R (statistical analysis), data preprocessing, and basic machine learning algorithms.
  • Active TS/SCI with willingness to be approved for a Polygraph
  • Bachelor's Degree in related field (additional years of experience can be considered in lieu of degree)
  • Working knowledge of ArcGIS, ArcSDE, ArcPro
  • Familiarity with: common data science libraries and frameworks, plus:
    • PostgreSQL, Postgis, PgAdmin
    • Application programming interfaces (APIs)


Preferred Qualifications

  • Experience with workflow management systems, such as Flowable, and
  • Working knowledge of MapInfo/ MapBasic GIS/ database software
  • Experience with data visualization software such as Tableau

#GEOINTMISSION

#NSBA

Original Posting:
September 17, 2026

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 $59,150.00 - $106,925.00

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.

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.

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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.

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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.

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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.

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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.

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