Principal Software Engineer (Onsite - Secret Clearance)
RTX (Raytheon)
- Location
- US-PR-AGUADILLA-110 ~ Rd 110 N Km 28.8 ~ RD110
- Work model
- On-Site
- Level
- Principal
- Posted
- Aug 13, 2026
Skills
About this role
Location: US-PR-AGUADILLA-110 ~ Rd 110 N Km 28.8 ~ RD110

 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance: DoD Clearance: Secret At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense. Collins Aerospace’s Resilient Connectivity Products (RCP) team is looking for an exceptionally motivated engineer who is passionate about collaborating with high-performance teams to create mission-critical solutions that support Mission Systems . Our Principal Software Engineers work in an exciting, adaptive, and engaging environment, enabling rapid learning to drive success. Our software engineering teams regularly utilize a variety of skills, including requirements analysis, synthesis of new and existing architectures that meld commercial and military communication functionality, and software engineering development best practices for complex systems where the ability to execute the mission is paramount. This position will sit at our Aguadilla, PR location and is to be worked Onsite , 5 days a week. You must be residing in Puerto Rico at the time of starting employment. Relocation is not offered.
What YOU will do
Drive Embedded Software Engineering Excellence: Demonstrate expert proficiency in embedded C/C++ and Python throughout all phases of software development, ensuring high-quality, reliable solutions that meet both functional and performance requirements Lead Technical Proposals and Program Cost Estimations: Take ownership of leading the development of technical proposals, including detailed program-level cost estimates, during the bid and proposal cycle, ensuring competitive and accurate submissions that align with project goals Lead and Coordinate Software Execution for Small Teams: Lead and manage the execution of software development for smaller teams, ensuring technical quality, alignment with program cost and schedule, while fostering a collaborative and results-driven environment Translate Customer Requirements into Comprehensive Solutions: Leverage your expertise to translate customer requirements into end-to-end system solutions, addressing technical, schedule, and cost constraints while ensuring the solution is practical, scalable, and meets client needs Manage Program Cost, Schedule, and Risk: Estimate, track, and communicate program performance metrics, including cost, schedule, and risk, in alignment with earned value management, ensuring programs are delivered on time and within budget Proactively Identify and Mitigate Risks: Use your technical expertise and best practices to identify potential risks and issues early in the development process, taking proactive measures to mitigate problems and maintain program success Mentor other engineers to grow team proficiency in execution and management What YOU will learn: You will learn about our growing engineering team in Puerto Rico; What we do? Who we support? How we work? You will learn the technologies of today and