Date Posted:2026-07-29 Country:United States of America Location:US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDG 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: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start dateAt 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 opportunity for a Senior Principal Electrical Engineer who is seeking to utilize their strong academic background and experience in RF/Microwave system theory and design, including architectures, subsystems, components and Active Electronically Steered Antennas (AESAs). The successful candidate will employ their working knowledge of Circuit Card Assemblies (CCAs) and analytical skills in electromagnetic and microwave theory. Responsibilities include design and hands-on testing of microwave components, cards and systems plus providing technical support to production activities. Team leadership skills including cost and schedule management plus proposal writing and presentation experience are desired. The Antenna and Microwave Department provides innovative and affordable solutions to our customers in all business areas. We are responsible for designing phased array antenna systems including active and passive microwave components, radiators, radomes and a variety of RF subassemblies. We develop new technologies for advanced capabilities and provide support to all life-cycle phases of the best radar systems in active worldwide deployments and grow our people with exciting new challenges, on-the-job training, mentoring and purposeful rotations.This is an onsite position in Tewksbury, MAWhat You Will DoDesign of RF microwave components and phased array applicationsIntegration and test of component level and system level phased array hardwareLead roles dependent on experience and career goals. Leads are responsible for cost and schedule for a program and interface with other IPTs and functions to coordinate program activities. Other leads are responsible for technical direction and coordinating stake holders in technical decisions.Some travel to integration sites, plus customer and subcontractor facilities, may be required.Qualifications You Must HaveTypically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of ten years of prior relevant experience to include any combination of the following:Microwave/RF system, subsystem and component analysis, design and testExperience with electromagnetic simulation tools such as HFSS, ADS, CST, Mentor Graphics’ Xpedition and analytical tools such as MatlabQualifications We PreferBackground designing and testing analog CCAs, including frequency conversion, automatic gain control, amplifier design and analog filter designUnderstanding of allocating and flowing down requirements from the system to the component levelKnowledge of cost estimating, plus budget and schedule managementStrong academic background that includes courses in: Microwave Engineering, Microwave Systems, Electromagnetic Theory and Radar SystemsStrong hands on experience with microwave testing techniques, including using spectrum analyzers, Real-time Spectrum Analyzers (RSAs), Vector Network Analyzers (VNAs) and Performance Network Analyzer (PNAs)What We OfferOur 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.This position offers relocation based on candidate eligibility.Learn More & Apply Now!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: https://www.state.gov/m/ds/clearances/c10978.htmAs 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 132,400 USD - 251,600 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