Top 77 Field applications scientist Jobs in St. Louis, Mo

Data Scientist - Mid Level active TS/SCI
Leidos —St. Louis, MO
- $59,150 - $106,925 a year
- Full-time
- Mid-level
- Office
- 3 years
Senior Formulation Scientist
Balchem Corporation —Bridgeton, MO
- Full-time
- 5 years
- Presentation skills
- Senior level
Quick Apply
Expert Data Scientist
Nestlé Purina —St. Louis, MO
- $130,000 - $188,000 a year
- Azure
- Computer Science
- System design
- Health insurance
- 401(k) matching
6d
Assistant Scientist
Terracon —St. Louis, MO
- Driver's License
- Bachelor's degree
- Military encouraged
Entry Level Environmental Remediation Professional -Central/Midwest United States- Hybrid
Jacobs —St. Louis, MO
- $58,656 - $88,000 a year
- Hybrid work
- Office
- Driver's License
- Bachelor's degree
- Paid holidays
- Health insurance
Associate Scientist, Microbiology
Pfizer —St. Louis, MO
- $60,200 - $100,400 a year
- Weekends as needed
- Mid-level
- Bachelor's degree
- US work authorization
- Paid holidays
- Relocation assistance
2d
Environmental Scientist - Fenton, MO
Tetra Tech —Fenton, MO
- 8 hour shift
- Microsoft Word
- Background check
- Clean driving record
- Health savings account
- AD&D insurance
Principle Scientist - Regulatory Toxicology
Bayer —Chesterfield, MO
- $114,640 - $170,000 a year
- 5 years
- Laboratory experience
- Doctor of Philosophy
- Health insurance
- Dental insurance
2d
Data Scientist
Harris-Stowe State University —St. Louis, MO
- Full-time
- Computer science
- Anatomy knowledge
- Computer Science
Quick Apply
Data Scientist
Absolute Business Solutions Corp —St. Louis, MO
- $80,000 - $250,000 a year
- 8 hour shift
- Mid-level
- Military encouraged
- Experience equivalent to degree accepted
- Paid time off
- 401(k) matching
Staff Scientist II
Saint Louis University —St. Louis, MO
- Full-time
- 11+ years
- University
- Bachelor's degree
12h
Research Scientist or Senior Research Associate - Taylor Lab
DONALD DANFORTH PLANT SCIENCE CENTER —St. Louis, MO
- Full-time
- 5 years
- Analysis skills
- Doctor of Philosophy
Senior Scientist - Bursky Public Health
Washington University in St. Louis —St. Louis, MO
- $63,400 - $115,000 a year
- Online Application
- Pass drug screening
- Office
- University
- Commuter assistance
- Employee assistance program
Post Doctoral Fellow
Saint Louis University —St. Louis, MO
- Full-time
- English
- Analysis skills
- University
Senior Food Application Scientist
Balchem Corporation —Bridgeton, MO
- Full-time
- 8 years
- Travel
- Senior level
Quick Apply
Data Scientist
U.S. Bank National Association —Earth City, MO
- $111,605 - $131,300 a year
- Full-time
- Azure
- 6 years
- Computer Science
- Paid holidays
- Disability insurance
QC Scientist- Chemical Manufacturing
Steris —St. Louis, MO
- $72,675.00 - $92,862.50 a year
- Full-time
- 6 years
- Bachelor of Science
- Research
- Paid holidays
- Disability insurance
Research Scientist and/or Postdoctoral Associate
DONALD DANFORTH PLANT SCIENCE CENTER —St. Louis, MO
- Full-time
- Anatomy knowledge
- Analysis skills
- Doctor of Philosophy
1d
Research Associate
DONALD DANFORTH PLANT SCIENCE CENTER —St. Louis, MO
- Full-time
- Management
- Master's degree
- Project management
1d
Data Science Capability Hub Lead
Bayer —Creve Coeur, MO
- $177,000 - $256,000 a year
- Computer Science
- Master's degree
- Continuous improvement
- Health insurance
- Dental insurance
9d

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Data Scientist - Mid Level active TS/SCI

Leidos -
St. Louis, MO

Apply Now

Job Details

Full-time
$59,150 - $106,925 a year

Qualifications

AI models
Statistics
Programming languages
Machine intelligence
Machine learning (ML) fundamentals
Data analysis software

Full Job Description

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 but also act as a Data Scientist for NGA. 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

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.

Original Posting:

July 14, 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

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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

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 at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

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.

Apply Now

Refine Your Search

field applications scientist jobs in st. louis, mo

Data Scientist - Mid Level active TS/SCI

Senior Formulation Scientist

Expert Data Scientist

Assistant Scientist

Entry Level Environmental Remediation Professional -Central/Midwest United States- Hybrid

Associate Scientist, Microbiology

Environmental Scientist - Fenton, MO

Principle Scientist - Regulatory Toxicology

Data Scientist

Data Scientist

Staff Scientist II

Research Scientist or Senior Research Associate - Taylor Lab

Senior Scientist - Bursky Public Health

Post Doctoral Fellow

Senior Food Application Scientist

Data Scientist

QC Scientist- Chemical Manufacturing

Research Scientist and/or Postdoctoral Associate

Research Associate

Data Science Capability Hub Lead

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