Description Leidos has an exciting opportunity for an Exploitation Specialist/GDAT Software Engineer to join our team in St. Louis, MO.  This work requires skills and knowledge to modernize applications to facilitate production operations for customer. These resources will not be making major performance enhancements on GDATM Tool. Instead, they shall provide the necessary skills and experience to support customer in completing minor improvements in software functionality necessary to support routine maintenance. Primary Responsibilities Support users and ensure that have the capabilities needed to meet the customers mission imperative. These objectives are diverse as GDAT-M not only supports customers objectives but those of our ASG partners, other elements, and co-producer contractors. These positions are involved in the sustainment and deployment of the Geospatial Data Analysis Tool-Modernized (GDAT-M) application developed by customer. The GDATM application serves the customer, its ASG partners and coproducer contractors. The GDATM application is the premier desktop application that is responsible for customers Geopositioning and validation of National products. The GDAT-M Team is aligned to orchestrate the delivery of GEOINT content from any relevant sensor. The objective is to modernize tools so our customers can easily transition from MS-Access to PostgreSQL database, using a bi-yearly release distribution cycle. Support Government GOAT Team efforts to make minor enhancements to GDAT applications

Enable efficient testing.

Marshal security and vulnerability testing and documentation.

Modernize NSG/ASG customers more rapidly

Basic Qualifications Typically requires a BA degree and 4 - 8 years of prior relevant experience or Masters with 2 - 6 years of prior relevant experience.

User Interface Design Experience (1- 3 years)

Demonstrated experience with Web Data Hosting

.NET Visual Basic programmers (application engineers) (1-3 years)

Window Desktop application developer experience (1-3 years)

Software Test Engineering Experience (1-3 years)

Active TS/SCI clearance and ability to be approved up to CI Poly

Preferred Qualifications Familiar with Amazon CLI and Amazon Cloud Access Portal

Experience creating and utilizing small loading scripts

Active TS/SCI CI Poly clearance

Original Posting: July 7, 2025 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 $72,150.00 - $130,425.00 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.