**Date Posted:** 2025-10-08 **Country:** United States of America **Location:** CA742: 4800 Oak Grove Dr, Pasadena CA 4800 Oak Grove Drive , Pasadena, CA, 91109 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 with 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 is looking for a full-time Principal Systems Engineer who will perform crucial systems engineering activities, including stakeholder interface, architecture development, trade studies, risk monitoring, test execution, and requirements development and sell-off. This role is essential for ensuring the coherent and timely maturation of key domain capabilities. **What You Will Do** + Stakeholder & Customer Interface: The candidate shall interface with various stakeholders and customers to understand their needs and identify appropriate system solutions for a specific domain area. + Working Group Leadership: The candidate shall run a working group to host technical discussions and align on system solutions. + Architecture Development: The candidate shall develop CONOPs (Concepts of Operations) and system architecture for new capabilities. + Trade Studies: The candidate shall run trade studies to identify and recommend the best options, considering technical, cost, and schedule constraints. + Status & Risk Monitoring: The candidate shall monitor and understand the status and risk of capabilities currently in development. + Reporting: The candidate shall communicate status and risk to stakeholders and customers on a regular basis. + Test & Verification: + The candidate shall develop and execute system test plans. + The candidate shall conduct verification and/or validation of complex systems through test plan execution. + The candidate shall review test results for system capabilities. + The candidate shall conduct detailed analysis of results to the extent able, or clearly communicate analysis needs to the analyst team and put together final briefing packages for customers. + Requirements: The candidate shall perform requirement development and sell-off. **Qualifications You Must Have** + Typically requires a Bachelor's in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant experience + Experience with CONOPS development, requirements development/sell-off, test planning, and/or test data review. **Qualifications We Prefer** + Ability to clearly communicate technical details with stakeholders, both internal and external organizations. Previous experience working with government customers is required. + Previous experience running a small team (1-3 others) to execute a test. + Familiarity with data analysis and Agile concepts. + Flexible, self-motivated, and curious. **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. + Relocation is not available for this role **Learn More & Apply Now!** + 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. + Location Information: This role is onsite in Pasadena, CA **_As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote._** The salary range for this role is 112,000 USD - 224,000 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.