Senior Principal EO/IR Systems Engineer

Date Posted: 2026-06-08 Country: United States of America Location: US-MA-WESTFORD-WFD7 ~ 7 Technology Park Dr ~ BLDG 7 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 is a world leader in high altitude imaging sensors. As such, we in the Advanced Product Solutions department provide the United States Government and International Partners with remote sensing systems, for time critical intelligence, surveillance, and reconnaissance (ISR) operations. Our ISR Information and Intelligence Engineering group develops algorithms and software for processing, optimizing, and creating intelligence products from these sensors. We are seeking a Senior Systems Engineer specializing in aspects of the development lifecycle. You will be responsible for developing technical solutions to a wide range of complex problems related to the entire product life cycle that includes design, prototype, manufacture, integration, test, and transition to production. You will collaborate with a multidisciplinary team including engineering, program management, supply chain, and manufacturing. Successful candidates must adapt to rapidly changing circumstances, work under own initiative with minimal supervision/guidance, be calm under pressure, and responsive to change with a logical approach to technical problem resolution and decision making. We look forward to having you on the team. This 1st shift role will be 100% on-site and based in Westford, MA. What You Will Do: Provide technical leadership for the development of airborne EO/IR sensor systems from architecture development through requirements verification and qualification. Transform customer needs into system level requirements, and work with all engineering functions to decompose and allocate system-level requirements to sub-systems and components with full traceability. Develop and refine CONOPS and System Architecture using Model-Based Systems Engineering methods. Execute modeling and simulation of system-level performance under operational conditions. Develop and execute integration, system, and flight test plans. Communicate and collaborate with internal and external stakeholders, including program office, other engineering disciplines, customers, and suppliers. Develop products and implement design changes in accordance with engineering processes. Perform Control Account Management duties for scope, cost, and schedule. Qualifications You Must Have: U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract. Typically requires a Science, Technology, Engineering or Mathematics (STEM) degree and 10+ years of prior work experience in a related field. Experience with the product development lifecycle of electro-optic/infrared (EO/IR) imaging systems including: architecture, requirements, design, modeling & simulation, and/or testing. Proficiency in requirements development and management, system design and integration, test plan and procedure development, verification and test, and data analysis. Qualifications We Prefer: Advanced degree in Engineering, Physics, or related field. Experience with optics and/or focal planes designs. Experience with Systems Modeling Language (SysML), Model-Based Systems Engineering (MBSE), and EO/IR sensor modeling and simulation using tools such as Matlab and Cameo Systems Modeler. Technical leadership on projects, including development of cost and schedule estimates, risk management, and supplier technical management. Experience leading engineering development projects, including design reviews (SRR, PDR, CDR). 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. This position offers relocation based on candidate eligibility. 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. 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 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 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.