Principal Systems Engineer

Date Posted: 2026-07-29 Country: United States of America Location: US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17 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 Type: TS/SCI without Polygraph Security Clearance Status: Active and existing security clearance required on day 1 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. We have an exciting opportunity for a Principal Systems Engineer supporting one of our premier programs within Raytheon, an RTX Business. In this role, you will provide technical leadership, systems design expertise, and integration and test support for Agile software development teams. Your experience developing satellite ground systems, translating customer requirements into capabilities, epics, features, and system interfaces, and supporting the systems engineering lifecycle will be critical to delivering mission-critical solutions for our national security customers. The work is on-site in Richardson, TX. What You Will Do Support mission thread-level activities by developing Interface Control Documents (ICDs), Concepts of Operations (CONOPS), and system interface definitions to refine enterprise capabilities. Support enterprise integration and test activities by participating in mission thread test events and providing test execution status and discrepancy report (DR) verification. Decompose customer requirements into capabilities, epics, features, and user stories using SAFe Agile methodologies. Provide technical guidance and requirements clarification throughout the software development lifecycle, including design, development, integration, testing, deployment, and operations. Collaborate with cross-functional subject matter experts to define technical solutions, document system designs, and support engineering decision-making. Participate in technical reviews, Agile ceremonies, and customer engagements while supporting program milestones. Support systems engineering activities across the full lifecycle, including requirements analysis, architecture development, interface definition, verification, validation, and operational support. Qualifications You Must Have Typically requires a Bachelor's Degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant experience. Experience supporting the development, integration, or sustainment of satellite ground systems on government or national security programs. Experience developing system designs, capabilities, and features, including functional descriptions, interface definitions, and acceptance criteria. Experience supporting Agile software development as a Systems Engineer, including system design, integration, testing, and verification activities. Active and transferable Top Secret (TS/SCI) U.S. government-issued security clearance is required prior to the start date. Qualifications We Prefer Experience supporting Intelligence Community (IC) programs, preferably within the data processing domain. Experience utilizing Agile engineering tools such as Jira, Confluence, and Jama. Demonstrated systems engineering knowledge supporting the development of large-scale software systems across the full systems engineering lifecycle. Experience supporting the full software development lifecycle within an Agile development environment. Experience with cloud or hybrid cloud development and deployment environments. Experience applying Model-Based Systems Engineering (MBSE) processes and tools, such as Cameo Systems Modeler or similar platforms, to capture system design and architecture. Experience working as a Systems Engineering team member supporting Agile software development efforts. Strong written and verbal communication skills with the ability to collaborate effectively across multidisciplinary engineering teams. 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 eligible. 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. This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the U.S. Department of State website here: Location: Richardson, TX: 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 107,500 USD - 204,500 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. 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