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Active
Hybrid
Colorado Springs, Colorado
Posted · 14.05.2026
Lever (US)

# Senior Software Engineer

NextGen Federal Systems

NextGen Federal Systems, LLC is seeking a Software Engineer with experience in Systems Tool Kit (STK) to support the development and integration of mission analysis and modeling applications. These applications enable multi-domain analysis—including air, space, ground, and maritime systems—by leveraging physics-based modeling and simulation to assess system performance, coverage, communications, and operational effectiveness.
Responsibilities include software development, configuration, and execution; result interpretation; documentation; and modification and maintenance of tools and code. The selected candidate must be quick to learn, adaptable, and agile, interfacing directly with end-customers and customer leadership. The software engineer will provide a full range of systems and software engineering to support critical mission analyses.

This job was verified from Lever (US). Applications are completed on the original source.

[Apply on the original listing ↗](https://jobradar.live/ilan/e3ff348b-5e4e-4b4c-8fa9-b276bd5fb95c/git)

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