Principal Systems Requirements & Specification Engineer Onsite

Date Posted: 2026-09-11 Country: United States of America Location: US-RI-PORTSMOUTH-PS2 ~ 1847 W Main Rd ~ NIMITZ SOUTH BLDG Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: 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 Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after 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. Raytheon’s Systems Engineering and Test Capabilities (SE&TC) Surface Radars & Sensors Center is seeking a Principal Engineer interested in leading requirements and specification efforts. Our Portsmouth, RI team primarily supports programs in the naval undersea and naval surface domains, including sensor systems, mine countermeasures, submarines, torpedoes, combat systems, and ship architecture/integration. In this role, you will serve as a trusted technical expert and key leader, assisting in addressing complex challenges while ensuring the team operates effectively and efficiently. You will serve as a technical lead responsible for guiding the team in the development, verification, and validation of system requirements. This includes overseeing engineering activities to ensure all requirements are clearly defined, traceable, and rigorously satisfied throughout the system lifecycle. You will review technical work products for completeness and compliance and contribute to the creation and refinement of processes, standards, and methodologies that strengthen system performance and team effectiveness. What You Will Do Lead the team in defining, managing, and validating system requirements across the full engineering lifecycle. Oversee technical work products to ensure completeness, accuracy, and compliance with established requirements and standards. Drive the development and continuous improvement of engineering processes, procedures, and methodologies that enhance system performance and team effectiveness. Coordinate system architecture, integration, verification, and deployment activities to ensure alignment with project objectives and traceable requirements. Collaborate across disciplines to resolve technical issues, mitigate risks, and maintain traceability configuration and requirements. Lead in overseeing technical work, reviewing deliverables, and ensuring compliance with project requirements and standards. Exhibit the ability to overcome obstacles by proactively identifying potential roadblocks, negotiating changes to ensure project success, and fostering collaboration among stakeholders to drive alignment and resolve conflicts. Evaluate contracts, engineering strategies, and operational efficiencies to optimize spending, while identifying financial needs for projects or operations to ensure alignment with overall strategy, and addressing variances between actual and planned spending through corrective actions. Travel, domestic, to support customer events, with an expected travel requirement not exceeding 15%. What You Will Learn After completion of comprehensive on-the-job training, the candidate will be a part of a team supporting Systems Engineering and Test Capabilities (SE&TC) activities across the product development lifecycle. Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant experience. Experience with DOORS, Rhapsody, Cameo, and/or other digital engineering tools. Experience with system software, system hardware, system requirements and/or test. Experience with underwater acoustics analysis, sensor systems, and/or naval system development. Qualifications We Prefer Hands-on experience with Model Based System Engineering (MBSE) methodologies and practices Deep subject matter expertise in systems engineering or a related technical field, including providing guidance and driving technical direction. Experience analyzing system performance metrics and applying optimization techniques to improve capability and efficiency. Experience breaking down complex technical problems, analyzing data, and developing clear, actionable solutions. Experience with technical writing and oral presentations. 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 Eligibility– Relocation assistance 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. Welcome to Raytheon in Portsmouth, RI 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