Senior Human Factors Engineer

Raytheon; Tewksbury (MA); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Relocation Eligible

Job summary

Raytheon Technologies' System Safety / Human System Integration (HSI) team seeks a Senior Human Factors Engineer to join onsite in a closed-area program with the LCE team. You will lead HF activities across subsystems, mentor engineers, and coordinate with IPTs to ensure human-centered design and MIL-STD compliance.

Active or ability to obtain a DoD clearance is required; DoD Secret clearance is preferred. This role involves travel up to 20% and onsite work in a secure facility.

Qualifications

• Typically requires STEM degree and at least 5 years of relevant experience.
• Experience in Human Factors Engineering, HSI, or Safety Engineering within complex systems.
• Experience with hardware and software integrated systems in a development environment.

Responsibilities

• Lead MIL-STD-1472-compliant Human Factors Engineering across subsystems or full system segments.
• Serve as technical authority for Human Factors analyses with traceability across the program.
• Integrate Human Factors across IPTs to embed performance, safety, and usability in design decisions.
• Coordinate with customer Human Factors reps to refine and allocate system requirements.
• Lead HF contributions to system safety activities per MIL-STD-882.
• Mentor early-career engineers in Human Factors methods and best practices.
• Present HF status, risks, and design impacts at reviews and engagements.
• Translate requirements into validated human-centered design inputs.
• Author and review HFE reports, usability assessments, trade studies, and design recommendations.
• Collaborate with Systems, Software/Firmware, Electrical, Hardware, and Safety teams.
• Lead usability studies, task analyses, workload assessments, and performance modeling.
• Travel up to 20%.

Skills

Human Factors Eng

Human Systems Integration

Safety Engineering

Requirements decomposition

Education

STEM degree

5+ years experience

Tools

MIL-STD-1472

MIL-STD-882

Hazard analysis methods

Job description

Location: US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDG

Date Posted: 2026-08-25

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: 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.

What You Will Do

• Lead MIL‑STD‑1472–compliant Human Factors Engineering across major subsystems or full system segments.
• Serve as a technical authority for Human Factors analyses, ensuring compliance and traceability across the program.
• Integrate Human Factors Engineering across IPTs to embed human performance, safety, and usability in system design decisions.
• Coordinate with customer Human Factors representatives to refine and allocate system requirements across software, hardware, and test teams.
• Lead Human Factors contributions to system safety activities, including hazard analyses and mitigations aligned with MIL‑STD‑882.
• Drive Human Factors planning across all phases of the program lifecycle, from concept development through production and sustainment.
• Mentor early‑career engineers and cross‑functional teammates in Human Factors methods and best practices.
• Present Human Factors status, risks, and design impacts at technical reviews and customer engagements.
• Translate operational and user requirements into validated human‑centered design inputs.
• Author and review key deliverables such as HFE reports, usability assessments, trade studies, and design recommendations.
• Collaborate with Systems, Software/Firmware, Electrical, Hardware, and Safety engineering teams to ensure full Human‑System Integration.
• Lead advanced evaluations including usability studies, task analyses, workload assessments, and human performance modeling.
• Travel up to 20%.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and minimum 5 years of prior relevant experience
• Experience in Human Factors Engineering, Human Systems Integration, or Safety Engineering in complex systems
• Experience working with hardware and software integrated systems in a development environment
• Experience performing or leading requirements decomposition, validation, or systems engineering activities

Qualifications We Prefer

• Active/Existing DoD clearance
• Experience in defense, aerospace, or other safety‑critical regulated environments
• Experience applying MIL-STD-1472 and MIL-STD-882 concepts in program execution
• Experience leading or contributing to usability testing, task analysis, workload assessment, or human performance modeling
• Experience with user‑centered design practices, including wireframing, prototyping, or HMI design collaboration
• Experience with systems engineering lifecycle processes (e.g., requirements flow-down, verification & validation)
• Experience influencing cross‑functional teams in design tradeoffs involving human performance, safety, and operational effectiveness
• Experience coordinating across multiple IPTs and stakeholders

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 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. 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.