> Markdown version of [/jobs/ext/4670578-software-engineer-i-onsite](https://www.wearedevelopers.com/jobs/ext/4670578-software-engineer-i-onsite). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer I (Onsite) - **Company:** RTX - **Location:** Richardson, TX, United States - **Experience:** Starter - **Salary:** $62,900 - $119,700 - **Contract:** Internship / Graduate position - **Skills:** Java (Programming Language), Agile Methodology, Computer Programming, Computer Engineering, Continuous Integration, Graphical User Interface, Integrated Development Environments, Spring Framework, Object-Oriented Software Development, Scrum Methodology, Software Tools, Software Engineering, Software Requirements Analysis, Systems Modeling Language, UML, Information Technology, Microservices - **Published:** November 11, 2026 - **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-TX-RICHARDSON-C17--1717-Cityline-Dr--CITYLINE-C17/Software-Engineer-I--Onsite-_01888052 ## About the Role The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance, * Bachelor's degree in Software Engineering, Computer Engineering, Computer Science, or related Science, Technology, Engineering or Mathematics (STEM) major obtained by start date. * Foundation in Object Oriented Programing and Java. Experience may be obtained through on-the-job experience, research, coursework, or projects Qualifications We Prefer * Active and transferable U.S. government issued security clearance. * Knowledge in UML, SysML, MBSE and CAMEO Modeling tools. * Knowledge in requirements analysis, requirements decomposition and derivation. * Knowledge in virtualization. * Knowledge in microservices, containers and orchestrators. * Knowledge in CI/CD. * Understanding Agile SDLC (Software Development Life Cycle). * Understanding Graphical User Interfaces with Java frameworks. ## Description Would you be interested in working with an industry-leading development team where you can develop your software engineering skills while learning something new!? Collins Aerospace's Strategic Solutions team is looking for an exceptionally motivated Engineer that is passionate about collaborating with High-Performance Teams to create mission critical solutions supporting Mission Systems., Our Software Engineers work in an exciting, adaptive, and engaging environment enabling rapid learning to drive success. Our software engineers utilize a variety of skills on a regular basis including requirements analysis, development and delivery of high-quality mission critical software. This position will support the shaping of the future of NC3 defense systems for the armed forces. This position is located onsite in Richardson, TX. * Team up with a high-performance software team, collaborating with fellow Software engineers, Scrum Masters, Product Owners, Software Architects, and other teams. * Support requirements decomposition and derivation to produce Software Requirements. * Participate in the design of the capabilities producing UML and SysML diagrams. * Be responsible for producing high quality mission critical software. * Participate in code and related artifacts peer reviews. * Create test cases and tests. What You Will Learn * You will have the opportunity to gain valuable experience in a professional software development environment. * You will have opportunity to learn and grow knowledge within the Strategic Nuclear Deterrence domains & gain niche skills enabling you to be unique in all you do. * You will gain valuable experience & an opportunity to evolve in your career towards SME and other lead roles such as Scrum Master, Product Owner, and Software Lead * You can take flight to becoming a subject matter expert and leader in NC3's domains. * We are growing, so can you.