Data Scientist - Mid Level active TS/SCI

Leidos LLC; St. Louis (MO); On-site; USD 59,000 - 107,000; Full time

Benefits offered by this job

Health and Wellness programs

Income protection

Paid leave and retirement

Job summary

Leidos in St. Louis, MO is seeking a Data Scientist to join our geospatial and GEOINT integration team. You will help manage data, automate workflows, and support multiple programs while collaborating with senior scientists and analysts to design improved pipelines and dashboards.

The role requires programming in Python or R, experience with ArcGIS, APIs, and data visualization, and the ability to translate complex analyses into clear insights for non-technical audiences.

Qualifications

• 3-6 years of programming in Python or R with data preprocessing and basic machine learning
• 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 APIs, PostgreSQL, PostGIS, PgAdmin

Responsibilities

• Provide data management and automation support to a specialized imagery and geospatial analysis division
• Assist with developing a modernized data management workflow supporting multiple programs
• Collaborate with senior data scientists, database developers, and analysts to implement updated database processes and workflows
• Research and document existing data management practices and system dependencies
• Help design improved workflows with automation from the outset
• Ensure new workflows integrate with modern database applications and APIs
• Enhance existing models and simulations involving production, monitoring, and change-detection data
• Develop code and scripts, including Python-based solutions from legacy languages
• Automate repetitive data preparation, validation, transformation, and reporting tasks
• Deliver technical solutions applying best practices to modernize processes
• Conduct data investigations using applied statistics and algorithms
• Translate complex findings into clear explanations for non-technical audiences
• Create visualizations and dashboards from diverse data sources for non-technical users

Skills

Python

R

SQL

Data preprocessing

Machine learning

APIs

Education

Bachelor’s Degree in related field

Tools

PostgreSQL

PostGIS

ArcGIS

ArcSDE

ArcPro

PgAdmin

Flowable

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.

This interesting work requires staff qualified to have 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.
• Working knowledge of MapInfo/ MapBasic GIS/ database software.
• Experience with data visualization software such as Tableau.

#GEOINTMISSION #NSBA

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.

Pay and Benefits

Pay Range $59,150.00 - $106,925.00

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 Leidos.com 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 [e-mail].

Commitment and 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.

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.