Principal Material Scientist Jobs (NOW HIRING)

Date Posted:
2026-07-08
Country:
United States of America
Location:
US-TX-MCKINNEY-513WZ ~ 2501 W University Dr ~ WING Z BLDG
Position Role Type:
Onsite
U.S. Citizen, U.S. Person, or Immigration Status Requirements:
U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.
Security Clearance Type:
None/Not Required
Security Clearance Status:
Not Required
At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring 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. Our team solves tough, meaningful problems that create a safer, more secure world.
We have an exciting opportunity for Principal Material and Process Engineer to join our Material and Process (M&P) team supporting varieties of product lines in McKinney, Texas. The engineer will be responsible for material tests and analyses, production hardware empirical testing, special engineering assignment, emerging program technical supports and New product integration activities. This individual will work with a cross functional team including manufacture engineers, quality engineers, supply chains, operation value stream, and program authority to resolve pressing technical design and producibility issues.
The Material and Process Engineering team within McKinney, TX drives business success by providing engineering expertise to solve today's problems in multiple domains. The material engineering discipline serves as the Subject Matter Expert (SME) to the material characteristic in terms of hardware compatibility, operation endurance, manufacture environment adaptability and many aspects of producibility incorporation.
As a Principal Engineer, you are expected to serve as a lead within the team, you shall demonstrate superior engineering skills and knowledge, mentor junior engineers and work with other functional disciplines in collaboration.
What you will do:

• Evaluation and identification of materials and processes based on program specification, design and performance requirements
• Be a part of integrated team in design element, select and approve materials usage, substrate finishes in new and emerging programs
• Be a part of rapid response team that address factory manufacture process interruption
• Lead supplier material troubleshoot issue
• Lead or collaborate in analyses and reporting documentation of technical positions for alternate materials, obsolescence, and failure analyses

This job is in McKinney, TX and the position is onsite
Qualifications you must have:

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 (Eight) years of prior relevant experience.
• Experience with mechanical assembly and technical datasheet
• U.S. citizenship is required, as only U.S. citizens are authorized to access required information
• Experience leading technical teams or serving as a technical lead in a rapid manufacturing environment
• In-depth knowledge in material characteristics, material application, material selection and material design selection

Qualifications we prefer:

• Masters or Ph.D. degree in STEM
• Strong technical writing skills
• Experience with Design of Experiment (DOE) troubleshooting skills
• Proficient in presenting technical information to both technical and non-technical audiences
• Superior multi-discipline collaboration skills
• Demonstrated problem solving skills with data-driven approaches
• Experience with material testing in an analytical laboratory environment
• Candidates must have highly developed interpersonal, leadership, teaming and problem-solving skills.
• Significant interaction with internal and external customers is expected.
• Communication skills and assertiveness are key qualities to possess
• Skilled at planning, prioritizing, and executing projects/programs to successful completions.

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
Visit us online: RTX YouTube Channel
North Texas: https://careers.rtx.com/global/en/raytheon-north-texas-location
#LI-Onsite
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, 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.
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