
This onsite Senior Software Engineer role at RTX in Aurora, Colorado, focuses on maintaining and optimizing critical aerospace and defense software systems. The position requires an active TS/SCI security clearance and involves serving as a technical subject matter expert to troubleshoot complex system errors, perform software integration, and lead teams in developing maintenance tools. Key responsibilities include evaluating operational feasibility, managing software baselines, and providing immediate solutions to restore service. The role appeals to engineers seeking to work on high-stakes missions that protect national security within a collaborative culture that values safety, trust, and innovation. Candidates will operate in a structured, 24x7 operations environment with opportunities to lead projects and solve some of the industry's most challenging technical problems.









