Principal Human Factors Engineer

Principal Human Factors Engineer – Tewksbury, MA Location: Tewksbury, MA Date Posted: 2026-04-14 Country: United States of America 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: Secret. Security Clearance Status: Active and existing security clearance required after day 1. Company Overview At 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. What You Will Do This is an exciting opportunity for a highly motivated Principal Human Factors Engineer to join us onsite in a closed area program with the LCE team in Tewksbury, MA. As a Principal Human Factors Engineer, your responsibilities will include: Developing and implementing one or more MIL-STD-1472 compliant Human Factors programs. Performing MIL-STD-1472 Human Factors Program tasks and analyses. Leading Human Factors Engineering efforts across all integrated product teams and lines to properly eliminate hazards or provide effective controls. Coordinating with customer human factors representatives applying methods, standards, and techniques to provide clarification of system requirements to software, hardware, and test personnel to ensure design and architecture considerations are appropriately allocated to the system and horizontally integrated across the development teams. Collaborating with Program Management and government approval authorities from program startup through production to demilitarization and disposal backgrounds. Key Responsibilities will include: Performing Human Factors planning, hazard analyses and design analyses. Briefing human factors considerations at technical reviews and as part of the engineering approval process. Interpreting system requirements, customer specifications and military/commercial standards. Preparing internal and customer reports describing various analyses relevant to the Human Factors program. Collaborating across multiple disciplines to gain a full understanding of product architecture and design. Interfacing with other engineering functions: Systems Engineering, Software or Firmware Engineering, Electrical Engineering, Hardware Engineering. Managing Human Factors Working Group(s) between key Raytheon and Customer representatives. Qualifications Typically Requires: Bachelor's degree in Science, Technology, Engineering or Math (STEM) and minimum 8 years of relevant experience. Experience with Human Systems Integration, Human Factors Engineering or Safety Engineering. Experience with DoD Human Factors Programs e.g. MIL-STD-1472. Experience developing, implementing, and/or performing Human Engineering Program Plans, Human Engineering Assessments and/or Analyses. The ability to obtain and maintain a Secret U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for the required security clearance. Preferred Qualifications Familiarity with Engineering Change Proposals, Engineering Review Boards, Human Factors Working Groups, and System Safety Working Groups. Experience with digital human modeling analysis. Experience with Manpower/Personnel Analysis. Experience with Human Performance Modeling (cognitive workload, manpower, and/or crew endurance modeling). Experience with Personnel Survivability and or/Habitability. Experience applying human factors engineering to the design of training systems and simulators. Experience with Human Factors requirements analysis. Experience with User Interface and developing wireframes. Experience interfacing with System Safety Engineering showcasing execution of tasking involving MIL-STD-882 and System Safety Engineering practices. Experience with Earned Value Management Systems (EVMS) and Proposal Development. Human Factors-related education and BS/MS/PhD in one of the following (or closely related) disciplines: Human Factors Engineering, Cognitive Psychology, Engineering Psychology, Experimental Psychology, Industrial-Organizational Psychology, Industrial Engineering, Systems Engineering. Active and transferable U.S. government issued Secret or Top Secret SCI Clearance. What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation. Relocation Eligible. Learn More & Apply Now! Salary range: 107,500 USD - 204,500 USD. The salary range provided is a good faith estimate representative of all experience levels. Benefits: 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 on 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. EEO Statement 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. Company Overview 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. More information about Security Clearances can be found on the US Department of State government website #J-18808-Ljbffr