Software Engineer
Agile Defense · St Louis, MO
Extracted from the posting
Software Engineer III role at Agile Defense in St. Louis, MO, requiring Secret clearance and Security+ or a Computer Science degree. The engineer designs, develops, tests, and maintains non-embedded software for the Tomahawk program, working in a Boeing facility or office environment. Required stack includes VB.NET or C#.NET, SQL or relational databases, and unit testing frameworks such as xUnit, nUnit, or MSTest.
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
Why This Opportunity Stands Out
We recognize that attracting top engineering talent requires more than a job description. For the right candidate, Agile Defense offers:
• Competitive sign‑on bonus and or relocation assistance
to St. Louis for candidates moving from out of state
• Career advancement potential within a rapidly growing digital transformation program
• Mission‑critical work directly supporting a premier U.S. defense system
• Stable, long‑term program funding and a collaborative engineering culture
• Access to cutting‑edge technologies and opportunities for continuing education and certification
• Strong work‑life balance supported by an established, high‑performing team
This role offers a unique blend of hands‑on engineering, meaningful national‑security impact, and the benefits of a well-resourced, forward‑leaning technology organization.
Job Description
- 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
Education & Years of Experience
- CompTIA Security+ certification or a degree in Computer Science
- 5+ years
Required Skills
- Active U.S. Secret Clearance with the ability to obtain a TS with the ability to obtain an 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
Preferred Skills
- 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
Working Conditions
Our Core Values
Employees of Agile Defense are our number one priority, and the importance we place on our culture here is fundamental. Our culture is alive and evolving, but it always stays true to its roots. Here, you are valued as a family member, and we believe that we can accomplish great things together. Agile Defense has been highly successful in the past few years due to our employees and the culture we create together.
What makes us Agile? We call it the 6Hs, the values that define our culture and guide everything we do. Together, these values infuse vibrancy, integrity, and a tireless work ethic into advancing the most important national security and critical civilian missions. It's how we show up every day. It's who we are.
- Happy - Be Infectious. Happiness multiplies and creates a positive and connected environment where motivation and satisfaction have an outsized effect on everything we do.
- Helpful - Be Supportive. Being helpful is the foundation of teamwork, resulting in a supportive atmosphere where collaboration flourishes, and collective success is celebrated.
- Honest - Be Trustworthy. Honesty serves as our compass, ensuring transparent communication and ethical conduct, essential to who we are and the complex domains we support.
- Humble - Be Grounded. Success is not achieved alone, humility ensures a culture of mutual respect, encouraging open communication, and a willingness to learn from one another and take on any task.
- Hungry - Be Eager. Our hunger for excellence drives an insatiable appetite for innovation and continuous improvement, propelling us forward in the face of new and unprecedented challenges.
- Hustle - Be Driven. Hustle is reflected in our relentless work ethic, where we are each committed to going above and beyond to advance the mission and achieve success.
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
