**Date Posted:** 2025-07-29 **Country:** United States of America **Location:** TX233: Richardson 1737 CityLine 1737 East CityLine Drive Building C37, Richardson, TX, 75082 USA **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:** TS/SCI without Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. Raytheon, an RTX business, is seeking a **Senior Principal Systems Engineer** to join our Systems Engineering team. Our engineers provide technical direction and design support for agile software development teams and collaborate across engineering disciplines. They perform technical analyses and define system functionality by developing system use cases, capability and feature designs, system interfaces, and acceptance criteria for verification. To succeed in this role, you must have strong experience with the systems engineering development lifecycle, particularly within an Agile methodology. **What you will do** + Conduct technical analyses to define system capabilities and features through detailed analysis of customer requirements and user stories + Provide technical direction to agile development teams through capabilities, features and systems design artifacts + Demonstrate strong communication skills to effectively explain complex topics to multi discipline development teams + Deliver engineering support and technical guidance during the program’s development, integration, and test phases—including architecture, design and acceptance criteria development + Participate in and contribute to technical reviews and technical interchange meetings throughout the program lifecycle + Communicate emerging risks and concerns to leadership and stakeholders, offering clear pathways for awareness and resolution + Utilize strong communication skills and experience, particularly in translating complex technical issues into mission readiness impacts + **Obtain a polygraph after start** **Qualifications You Must Have** + Typically requires a Bachelor's Degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 10 years of prior relevant engineering experience + Experience with development of large-scale software data processing system architectures, with a focus on system-level interfaces. + Experience with the full systems engineering lifecycle, including systems engineering roles and functions, and with developing and documenting Architecture Roadmaps and Concept of Operations (CONOPS). + Experience with requirements development and management, functional analysis and synthesis, interface definition, verification and validation, and backlog management and grooming in JIRA. + Experience with Agile development toolsets such as JIRA, Confluence, and Bitbucket. **Qualifications We Prefer** + Experience working in DevOps and/or DevSecOps in an Agile software development environment + Possessing oral and written communication skills as well as good collaboration skills and the ability to work in a cross-functional team environment and in customer interchange meetings + Experience in agile software development activities, including system level design specification and integration test and verification activities (full SW life cycle as an SE) + Experience in development of containerized software system cloud architectures and cloud environments + Understanding of Multi-INT Sensemaking, Orchestration, and Processing concepts and IC GEOINT message formats and products + Experience using MBSE processes and tools to capture digital systems design and elaboration in Cameo or similar tools **What We Offer** + Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. + This position is eligible for relocation assistance! **Learn More & Apply Now!** This is a full-time, onsite position based in Aurora, CO ( https://careers.rtx.com/global/en/raytheon-aurora-co-location ) OR Richardson, TX ( https://careers.rtx.com/global/en/raytheon-north-texas-location ) **Please consider the following role type definition as you apply for this role** **:** + **Onsite** : Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. The salary range for this role is 124,000 USD - 250,000 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, 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, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. _RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act._ **Privacy Policy and Terms:** Click on this link (http://www.rtx.com/privacy/Job-Applicant-Privacy-Notice) to read the Policy and Terms Raytheon Technologies is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.