Principal Human Factors Engineer

Date Posted:

2026-10-01

 Country:

United States of America

 Location:

US-AZ-TUCSON-800 ~ 1151 E Hermans Rd ~ BLDG 800

 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’s System Safety / Human System Integration (HSI) Department ensures product safety by identifying hazards, assessing risks, and implementing solutions to protect people, hardware, and the environment. Leveraging rigorous engineering principles, the team integrates safety into every phase of the system lifecycle, enhancing reliability and safeguarding our warfighters.

This is an exciting opportunity for a highly motivated Senior Human Factors Engineer to join us onsite in a closed area program with the LCE team. Location: Tucson, AZ

What You Will Do

As a Principal Human Factors Engineer, your responsibilities will include:

• •Serving as the Human Factors Engineering (HFE) and Human Systems Integration (HSI) lead for one or more programs, establishing technical direction and execution strategy throughout the system lifecycle.
• •Leading the development, implementation, and execution of MIL‑STD‑1472–compliant HFE programs and associated analyses.
• Acting as the primary Human Factors technical interface with customers, program leadership, and cross-functional engineering teams to ensure human-centered design principles are integrated into system development.
• •Driving the integration of HFE across Integrated Product Teams (IPTs), influencing system architecture, requirements development, design decisions, verification activities, and risk mitigation strategies.
• •Leading HFE contributions to system safety efforts, including identifying human-related hazards, performing risk assessments, and developing design controls in collaboration with System Safety Engineering.
• •Coordinating with customer representatives and government stakeholders to interpret, refine, and allocate Human Factors requirements across software, hardware, training, maintenance, and operational domains.
• •Reviewing, approving, and providing technical oversight of HFE analyses, assessments, reports, and engineering recommendations.
• Briefing Human Factors status, technical risks, findings, and recommendations to program leadership, customers, and engineering review boards.
• •Interpreting system requirements, customer specifications, military standards, and contractual requirements to develop actionable Human Factors solutions.
• •Collaborating across Systems Engineering, Software Engineering, Electrical Engineering, Hardware Engineering, Logistics, Training, and System Safety organizations to ensure effective Human Systems Integration.
• •Leading Human Factors Working Groups and participating in System Safety Working Groups, Engineering Review Boards, and customer technical interchange meetings.
• •Developing and maintaining strong customer relationships while serving as a trusted advisor on Human Factors and HSI matters.
• •Supporting proposal efforts through technical solution development, BOE generation, staffing recommendations, and authoring proposal content.
• •Identifying opportunities to improve Human Factors processes, tools, methodologies, and organizational capabilities.
• •Providing technical leadership, mentorship, and guidance to HFE/HSI practitioners, promoting best practices and technical excellence.
• •Mentoring early and mid-career engineers through coaching, technical reviews, and knowledge sharing.
• •Exercising significant independent judgment to resolve complex technical challenges involving human performance, usability, safety, maintainability, training, and operational effectiveness.
• •Supporting multiple programs and organizational initiatives as an HFE/HSI subject matter expert.
• •Travel up to 20%

Qualifications You Must Have

Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and minimum 8 years of prior 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.

Qualifications We Prefe r

Active/Existing DoD clearance

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.

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

Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as: 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 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, flex