Software Engineer/Data Science Librarian

Leidos LLC; St. Louis (MO); On-site; USD 107,000 - 195,000; Full time

Job summary

Leidos LLC in Saint Louis, MO seeks a Software Engineer / Data Science Librarian to manage GEOINT databases, automate ingest/validation scripts, and support end-to-end data dissemination across multiple security domains.

The role requires strong Perl, Python/Java, SQL, and C++ coding, expertise with ArcGIS/Oracle Spatial, and excellent public-speaking skills for customer briefings.

Qualifications

• Bachelor's degree or higher plus 8+ years in relevant work and security domain experience.
• Strong experience with geospatial databases and data dissemination workflows.
• Proven ability to automate ingestion, validation, and data sharing across domains.

Responsibilities

• Manage databases supporting GEOINT product dissemination and spatial content generation.
• Develop, optimize, and enhance data ingest/validation scripts and code.
• Render maps in ESRI ArcGIS and apply layers in mapping environments.
• Collaborate across offices and security domains to ensure secure data integration.
• Deliver customer briefings and technical discussions with clarity and confidence.

Skills

Perl scripting

Python/Java code

SQL queries

C++ code

Geospatial data management

Shell scripting

Public speaking

Education

Bachelor's degree or higher

Tools

ArcGIS

Oracle Spatial

ArcSDE

SDO_Geometry

Unix/Linux

Job description

Leidos is seeking a Software Engineer / Data Science Librarian to manage and optimize databases supporting GEOINT product dissemination and to process expurgation requests for distributing discrete geospatial product packages to internal and foreign partners. This role is responsible for maintaining, enhancing, and ensuring the accuracy of spatial content databases—including country and state boundary generation—using NGA tools, ESRI ArcGIS, and related technologies. The ideal candidate brings strong experience in coding/script development, database management, geospatial components, and software engineering to ensure seamless data integrity, automation, and efficient dissemination. This position requires a highly collaborative professional capable of working across multiple offices, maintaining and enhancing ingest and validation scripts, and supporting end‑to‑end software operations related to GEOINT product dissemination. Experience operating across multiple security domains is highly desirable. The role also demands strong public‑speaking skills and the ability to represent the organization in customer‑facing technical discussions and stakeholder engagements.

Primary Responsibilities

• Database Management & Spatial Content Generation
  • Manage and maintain databases supporting GEOINT product dissemination, including spatial content and country/state boundary generation.
  • Develop, optimize, and enhance data ingest and validation scripts, stored procedures, and code to ensure accuracy and efficient processing.
  • Integrate and optimize geospatial components such as Oracle Spatial, ArcSDE, and SDO_Geometry to improve data integrity and visualization.
  • Utilize Unix/Linux commands and file systems; write shell scripts, cron jobs, and manage file/folder permissions.
• Software Engineering & Automation
  • Maintain and enhance Perl scripts, Java and Python code packages, and database constructs to improve automation and efficiency.
  • Develop and maintain schemas, stored procedures, and validation tools to ensure reliable GEOINT product integration.
  • Troubleshoot and resolve software and database issues related to content dissemination, ensuring high availability and data integrity.
  • Render maps in ESRI ArcGIS using data queries and apply layers within the mapping environment.
• Collaboration & Cross‑Domain Support
  • Work across multiple offices and security domains (NIPRnet/Xenon, SIPRnet, JWICS) to ensure secure and seamless data integration.
  • Engage with stakeholders, product owners, and data users to optimize data structuring, usability, and distribution.
  • Support end‑to‑end operations for software and database systems related to GEOINT product dissemination.
  • Serve as the primary point of contact for customer briefings and technical discussions.
• Public Speaking & Customer Engagement
  • Develop and deliver presentations, briefings, and reports to customers, stakeholders, and senior leadership.
  • Represent the organization confidently in customer‑facing engagements, communicating technical concepts effectively.
  • Facilitate knowledge‑sharing sessions and training for internal and external stakeholders.

Basic Qualifications

• Bachelors degree and 8+ years of prior relevant experience or Masters with 6+ years of prior relevant experience.
• May possess a Doctorate in technical domain.
• Top Secret Clearance to be considered and ability to obtain post hire a TS/SCI with Polygraph.
• 5+ years of experience designing and supporting databases.
• Strong experience with one or more of the following: Perl scripts, Python/Java code packages, SQL queries, C++ code, database constructs, schemas, and stored procedures.
• Strong knowledge of database management with geospatial components.
• Proven ability to optimize and automate data ingest, validation, and dissemination workflows.
• Understanding of cross‑domain data management and security protocols (NIPRnet/Xenon, SIPRnet, JWICS).
• Strong public‑speaking skills and experience delivering technical briefings.
• Security+ certification.
• Ability to engage across multiple offices to ensure database alignment with GEOINT product requirements.
• Strong problem‑solving skills with the ability to troubleshoot complex software and database issues.
• Excellent communication and collaboration skills within cross‑functional teams.
• Comfortable speaking with customers and stakeholders, ensuring clarity and transparency.
• Understanding of data integrity, validation concepts, and data‑sharing agreements.
• Familiarity with Agile methodologies and project management structures.

Preferred Qualifications

• Experience working in government, defense, or intelligence environments.
• Familiarity with cloud and on‑prem GIS/GEOINT database solutions.
• Competency in ESRI ArcGIS for querying spatial data and applying multiple map layers.
• Experience supporting software operations and maintenance for GEOINT content expurgation/dissemination.
• Knowledge of automation frameworks and DevSecOps best practices.
• Certifications in Database Management, GIS, or Software Engineering.
• Prior experience leading technical discussions and customer briefings.

Original Posting

June 1, 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 $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.

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.

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 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.