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Full timeTechnology

Software Engineer III

Agile DefenseSt Louis🇺🇸United StatesPosted Apr 8, 2026

Quick overview

Salary$140k - $145k/yr
SeniorityMid Senior
Employment typeFull Time
Work modeOn Site
LocationSt Louis, United States
Posted6 months ago
Agile

Job description

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.

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