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Software Engineer III

Agile Defense· Digital Transformation – Engineering
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St Louis, MO$140k - $145kRegularPosted 6mo ago

About the role

Software Engineer III role focused on design, development, testing, and maintenance of non-embedded software for the Tomahawk program within a Boeing facility. Requires active clearance and strong .NET/SQL experience along with security certifications or CS degree.

Responsibilities

  • 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.

Qualifications

  • CompTIA Security+ certification or a degree in Computer Science
  • 5+ years

Skills

Required:Active U.S. Secret ClearanceVB.NET or C#.NET (including .NET Framework)SQL or other relational databasesUnit testing frameworks (xUnit, NUnit, MSTest)
Last updated Oct 21, 2026. Interested? Apply on the company site.

About Agile Defense

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Agile Defense delivers advanced capabilities and solutions tailored to the most critical national security and civilian missions.

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