Exploitation Specialist/GDAT Software Engineer
Company: Leidos
Location: Saint Louis
Posted on: April 1, 2026
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Job 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 end-users and ensure they possess
the necessary capabilities to fulfill mission-critical objectives.
These objectives are multifaceted, as the GDAT-M team not only
supports customer goals but also those of ASG collaborators, other
entities, and co-producer contractors. These roles involve
sustaining and deploying the Geospatial Data Analysis
Tool-Modernized (GDAT-M) application, developed by the customer.
GDAT-M serves the customer, ASG collaborators, and co-producer
contractors. It is a leading desktop application responsible for
geo-positioning and validation of national products. The GDAT-M
team is focused on delivering GEOINT content from relevant sensors.
The goal is to modernize tools, enabling customers to transition
from MS-Access to PostgreSQL databases, following a bi-annual
release cycle. Assist Government GDAT Team in implementing minor
GDAT application enhancements. Facilitate efficient testing
processes. Oversee security and vulnerability
testing/documentation. Accelerate modernization for NSG/ASG
customers. Basic Qualifications BA degree with 4–8 years of
relevant experience or Master's degree with 2–6 years of relevant
experience. 1–3 years of User Interface Design experience. Proven
expertise in Web Data Hosting. 1–3 years of experience as .NET
Visual Basic programmers (application engineers). 1–3 years of
experience in Windows Desktop application development. 1–3 years of
Software Test Engineering experience. Active TS/SCI clearance with
eligibility for CI Poly approval. Preferred Qualifications
Familiarity with Amazon CLI and Amazon Cloud Access Portal.
Experience in creating/utilizing small loading scripts. Active
TS/SCI CI Poly clearance. At Leidos, we don’t want someone who
"fits the mold"—we want someone who melts it down and builds
something better. This is a role for the restless, the
over-caffeinated, the ones who ask, “what’s next?” before the dust
settles on “what’s now.” If you’re already scheming step 20 while
everyone else is still debating step 2… good. You’ll fit right in.
Original Posting: January 13, 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 $73,450.00 - $132,775.00 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.
Keywords: Leidos, St. Louis , Exploitation Specialist/GDAT Software Engineer, IT / Software / Systems , Saint Louis, Missouri
