Principal Process Engineer
RaytheonJob Description
Do you have the skills to fill this role Read the complete details below, and make your application today.
Date Posted
2026-09-28
Country
United States of America
Location
US-AZ-TUCSON-801 ~ 1151 E Hermans Rd ~ BLDG 801 (External Site)
Position Role Type
Onsite
U.S. Citizen, U.S. Person, or Immigration Status Requirements:
Active and transferable U.S. government issued s
...
ecurity clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Security Clearance Type
Secret - Current
Security Clearance Status
Active and existing security clearance required on 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.
What You Will Do
If you’re self-motivated and thrive working with multi-disciplined teams who are committed to innovation and pushing the boundaries of technology, then this might be the perfect job.
As a Raytheon Principal Process Engineer, you’ll work to improve processes to maintain efficiency, reduce costs, improve sustainability and safety, and maximize profitability.
You’re the in-factory materials and process specialist, and your responsibilities will include verifying that Technical Data Package (TDP) shelf-life materials are correctly called out in Manufacturing Data Packages (MDPs) and writing material processing procedures. In addition, you’ll collaborate on integrating process equipment within the factory and you’ll document the equipment’s functionality.
Your responsibilities will also include:
• Quickly addressing production issues related to materials and processes, ensuring root causes of issues are understood and solutions are robust and cost effective.
• Providing on-the-job training for materials and processes.
• Training other engineers on material usage and processes.
• Being readily available to operators and collaborating effectively with factory personnel.
• Serving as Operations Liaison working with Materials & Process Engineering (M&PE) to quickly address supply chain disruptions, problem buys and obsolete materials including:
• Identifying impacted end users
• Determining material requirements and finding alternatives (drive testing as needed)
• Ensuring new materials will work in existing processes and using the opportunity to drive to common materials.
• Leading continuous improvement projects utilizing Lean manufacturing techniques to reduce variability, eliminate constraints and provide ongoing process sustainment.
• Collaborating with cross-functional teams to identify and resolve process and materials-related issues.
• Driving use of common materials based on allowable requirements from the drawing.
• Developing and maintaining manufacturing procedures by creating new documentation and updating existing processes to ensure accuracy and efficiency.
• Leading and supporting process troubleshooting efforts to quickly and efficiently resolve manufacturing process issues.
• Coordinating with M&PE Labs for Cause Corrective Action as required.
This is a 1st Shift Job. Typically 7:00AM – 4:00PM.
This job is posted as ONSITE, and is based at Raytheon’s Tucson, AZ facility.
Qualifications You Must Have
• Typically Requires a Bachelor's degree in Science, Technolog