Principal Systems Engineer - Design Agent (Onsite)

Date Posted: 2026-06-29 Country: United States of America Location: US-AZ-TUCSON-807 ~ 1151 E Hermans Rd ~ BLDG 807 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: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 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. Raytheon brings 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. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. Rolling Airframe Missile (RAM), a short-range self-defense launcher and effector system under the Naval Power strategic business, is seeking a Principal Systems Engineer to support the Design Agent in developing new hardware and software to expand the capabilities of the Guided Missile Weapon System. You will be responsible for technical rigor of requirements documents, including developing/writing requirements, updating existing requirements, coordination of requirement maintenance, across team collaboration, sharing program process knowledge, mentoring engineers, and working with the technical and program leads execute program tasks. Responsibilities include, but are not limited to, requirements management, providing SE oversight during integration and test activities. In this role, you will have the opportunity to work on an effectors project pertinent to the systems lifecycle. What You Will Do Maintain specifications and technical data package for production and development program Develop new employees to become effective systems engineers Work closely with industry partners on engineering projects including, but not limited to, performance studies and hardware obsolescence updates Work closely with customer community on project status including, but not limited to, development and study analysis work Manage a cross functional team over multiple projects and be responsible for project budgets as needed Identification, establishment and implementation of best practices and lessons learned. Utilize agile development methods, automation, and continuous integration. Qualifications You Must Have Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 8 years of prior engineering experience. Experience in Systems Engineering in one or more of the following areas: Developing & Refining CONOPS, System Architecture, System Requirement, Requirements Verification Strategies & Plans Experience managing, completing, and/or coordinating program contract deliverables Experience with developing system requirements specifications and/or requirements management processes Verification and/or Qualification testing experience Qualifications We Prefer Multi-discipline engineering background with knowledge of related technologies and products specific to the broader engineering organization GNC, Sim, Systems Integration and Test Ability to communicate complex messages to non-technical stakeholders and persuade cross-functional teams Experience in the missile systems lifecycle including requirements development and testing Experience with study development and report generation Experience leading, developing, and executing test plan/procedure preparation and test execution Writing Study Plans and Results Highly self-motivated with strong initiative and the ability to identify priorities and execute independently Experience maintaining Weapon Systems Specifications and Critical Item Development Specifications Engineering experience in missile system applications to include, but not limited to, the following: 6DoF simulations, System performance analysis, LSE experience or working to become a leveled LSE 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 – Relocation assistance is available 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 US Department of State government website here: This position is an onsite role – Tucson, AZ: We Are RTX 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. 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 to read the Policy and Terms RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.