Principal Software Engineering Architect (Onsite)

Date Posted: 2026-04-29Country: United States of AmericaLocation: US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 ConcordPosition Role Type: OnsiteU.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: * Top Secret - Current*Security Clearance Status: * Active and existing security clearance required on day 1At RTX, the world 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. Our team in Tewksbury, Massachusetts is looking for a candidate to join our world-class engineering team as a Principal Software Engineering Architect.The candidate is expected to be able to comprehend customer needs and translate them into viable architectural and design solutions. The selected candidate must also be able to use their sound and demonstrable understanding of software principles, theories and concepts related to software engineering, and demonstrate critical thinking skills with the ability to communicate concepts and ideas well. What You Will Do Work together with the team to deliver great products for the user with the resources available Introduce modern architecture, design solutions and processes to improve the product Identify, manage and mitigate technical risks Help mentor and foster the team's technical and professional development 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 architecting, multi-security level, mission-critical software systems Experience translating system requirements into scalable, implementable software architectures and guiding technical execution across teams Active and transferable U.S. government issued Top Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Qualifications We Prefer 4+ years of design or architecting experience Effective presentation and written communication skills Experience architecting/designing to meet data processing performance requirements Strong collaboration skills with hardware, integration & test and program leadership to ensure end-to-end system performance and delivery Experience working in classified environments with strong understanding of security constraints, and data handling requirements 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), 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: Andover, MA: Raytheon Andover, MA Location We Are RTX As part of our commitment to maintaining a secure hiring process, candidates may be asked to attendselect 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