Principal Software Engineer (Onsite)

RTX•Aurora, CO
•$107,500 - $204,500•Onsite

About The Position

Raytheon, part of RTX, is seeking a Principal Software Engineer to work onsite in Aurora, Colorado (Buckley). The engineer will architect and design full-stack web-based applications and help modernize legacy software into modern microservice and web-based applications. The role also supports troubleshooting, maintenance, and documentation of software applications; testing, integration, and delivery of new software baselines; and end-to-end analysis and assessment of a complex system in operations. An active and transferable U.S. government TS/SCI with CI Poly security clearance is required before the start date, and the candidate must be a U.S. citizen. The position is onsite.

Requirements

  • Typically requires a bachelor's degree in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 8 years of prior engineering experience, or equivalent experience.
  • Experience coding software in Java, Python, or C++.
  • Experience in software development and/or software integration.
  • Active and transferable TS/SCI with CI Poly U.S. government-issued security clearance required before the start date.
  • U.S. citizenship is required because only U.S. citizens are eligible for the required security clearance.

Nice To Haves

  • Full-stack experience developing a React- or Angular-based application.
  • Experience making high-level architecture decisions about design and determining the appropriate technology stack.
  • Experience in a structured, configuration-controlled environment, primarily supporting and maintaining real-time software applications on an Operations and Maintenance (O&M) contract.
  • Experience with Linux/Unix, GIT, and SQL.
  • Experience with JIRA, GitLab, and Confluence.

Responsibilities

  • Architect and design full-stack web-based applications.
  • Help modernize legacy software into modern microservice and web-based applications.
  • Troubleshoot, maintain, and document software applications.
  • Troubleshoot and isolate sources of system errors or unexpected performance.
  • Perform testing, integration, and delivery of new software baselines.
  • Perform in-depth analysis and assessment of complex systems in operations from an end-to-end perspective.

Benefits

  • Relocation assistance
  • Medical insurance
  • Dental insurance
  • Vision insurance
  • Life insurance
  • Short-term disability
  • Long-term disability
  • 401(k) match
  • Flexible spending accounts
  • Flexible work schedules
  • Employee assistance program
  • Employee Scholar Program
  • Parental leave
  • Paid time off
  • Holidays
  • Potential eligibility for annual short-term and/or long-term incentive compensation
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service