Senior Systems Engineer Onsite

Job ID: 01877325Posted: Posted YesterdayStart Date: 2026-09-23Location: US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord; US-MA-MARLBOROUGH-MA1 ~ 1001 Boston Post Rd ~ BLDG 1Country: United States of AmericaTime Type: Full timeDate Posted:2026-09-23 Country:United States of America Location:US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord 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 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.The Systems Engineering and Test Capabilities (SE&TC) organization is the central focus for Mission Systems Integration activities within Raytheon, responsible for defining customer needs, functional and product architecture, requirements definition and decomposition, Model Based Systems Engineering (MBSE), algorithm development and system performance. The Radar Systems Department within the SE&TC is seeking a Senior Systems Engineer to help in the development of requirements, concepts of operations and algorithms, and the execution of integration and analysis activities.Every day brings new challenges and opportunities to solve complex problems. In this role, you’ll collaborate across disciplines and partner closely with engineering teams to turn ideas into integrated, working solutions. This is a hands-on, high-impact role where your work directly enables teams to deliver reliable, mission-ready systems.What You Will DoIn this role, you will support one or more of the following types of activities:Develop concepts of operations for radar systems.Develop radar processing algorithm.Develop Radar systems/software requirements.Be responsible for statistical and numerical analysis of radar performance dataBe responsible for analysis tool development in support of problem identification and resolution.Collaborate with Systems and Software Engineers to develop and implement solutions.Present findings and solutions to Leadership and/or Customers.This role can be based out of either Tewksbury, MA or Marlborough, MA.May require up to 20% travel to RTX facilities, test sites, vendor facilities, and customer locations to support test events and mission execution.Qualifications You Must HaveTypically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 5 years of prior relevant experience.Experience with systems hardware, systems/software requirements, systems integration, and/or systems testExperience with MATLAB, Python, C/C++ and/or other programming language.Qualifications We PreferExperience with design, development, and analysis of radar system and software architecture.Experience with signal processing techniques in complex propagation environments.Proven experience in system-level requirements development, documentation, and maintenance, or design and development of system-level software architecture.Experience with DOORS, Rhapsody, Cameo or other digital engineering tools.Experience with evaluating systems using simulated environments.Experience with military systems.Current/Active DoD security clearance.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.Relocation Eligibility– Relocation assistance availableLearn 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.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 86,800 USD - 165,200 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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