Agile Defense19d ago

Software Engineer III

United States·St. Louis,St LouisRegularmid

Software EngineerSoftware Engineering

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Quick Summary

Overview

About Agile Defense At Agile Defense we know that action defines the outcome and new challenges require new solutions.

Technical Tools

Software EngineerSoftware Engineering

About Agile Defense

At Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spirit and the courage to build for what comes next.

Our vision is to bring adaptive innovation to support our nation's most important missions through the seamless integration of advanced technologies, elite minds, and unparalleled agility—leveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation’s vital interests.

Requisition #: 1520

Job Tittle: Software Engineer III

Location: St. Louis, MO

Clearance: Secret

Required Certification: CompTIA Security+ certification or a degree in Computer Science

Design, development, testing, and maintenance of non-embedded software throughout the end-to-end lifecycle that meets industry, customer, and safety standards for the Tomahawk program.

Review, analyze, and translate customer requirements into initial design of software products.

Developing, maintaining, enhancing and optimizing software products and functionalities for systems integrations.

Debug and resolve issues identified to ensure the reliability and efficiency of software products.

Handles user inquiries, troubleshoot technical issues and user feedback analysis.

Implement current and emerging technologies, tools, frameworks and changes in regulations relevant to software development

Execute and document software research and development projects

CompTIA Security+ certification or a degree in Computer Science

5+ years

Active U.S. Secret Clearance with the ability to obtain TS/SCI

5+ years of experience with VB.NET or C#.NET (including .NET Framework)

3+ years of SQL or other relational database

1+ years of Unit testing frameworks like xUnit, nUnit, or MSTest

Windows Environment (Windows 10/11, Windows Server)

Knowledge of Windows Desktop Development Project Management Tools (Azure DevOps, Jira, etc.)

Azure DevOps Pipelines or other CI/CD tools Microservices or RESTful APIs Agile experience

Strong mathematical analysis skills or STEM degree C++ CompTIA Security+ certification or a degree in Computer Science

Boeing Facility/Office environment

Location & Eligibility

Where is the job

St Louis, United States

On-site at the office

Who can apply

Listed under

United States

Listing Details

Posted: April 8, 2026
First seen: April 8, 2026
Last seen: April 27, 2026

Posting Health

Days active: 19
Repost count: 0
Trust Level: 36%
Scored at: April 27, 2026

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Agile Defense

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Agile Defense: Always Evolving. Agile Defense stands at the forefront of innovation, driving advanced capabilities and solutions tailored to the most critical national security and civilian missions.

Employees

3k+

Founded

1998

Domain

Jobs

External application · ~5 min on Agile Defense's site

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