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Principal Materials & Process Engineer (Onsite)

RTX


Job Location:

Cedar Rapids, IA - USA

Yearly Salary: USD 107500 - 204500
Posted: 24 September 2026 (3 hours ago)
Application Deadline: 22 December 2026
Vacancies: 1 Vacancy

Job Summary

Date Posted:

Country:

United States of America

Location:

US-IA-CEDAR RAPIDS-121 350 Collins Rd NE BLDG 121

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 RTX the worlds largest aerospace and defense company 185000 great minds are united by purpose and inspired to make a difference solving the worlds 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.


Collins Aerospace is a leader in technologically advanced intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.


Collins Aerospace is seeking a highly skilled and motivated Materials & Process Engineer to provide technical leadership for wafer fabrication processes focused on photolithography resist processing and critical patterning technologies. Operating in a fastpaced semiconductor manufacturing environment this role is responsible for driving innovation in materials characterization photolithography process control and equipment capability improvements that enhance yield quality and throughput.

If you thrive in a collaborative environment and are driven to deliver operational excellence we invite you to apply and join our team.


This is an onsite role in Cedar Rapids IA and is eligible for relocation.


What You Will Do


  • Provide technical leadership for photolithography processes
  • Establish and maintain critical process parameters equipment calibration methods SPC limits acceptance criteria and advanced monitoring strategies for lithography systems.
  • Support troubleshooting of issues involving CD variation resist adhesion profile defects contamination overlay accuracy pattern collapse and environmental sensitivities.
  • Partner with Manufacturing Engineering Process Engineering Quality Operations and Design to investigate nonconformances yield excursions and process variation using structured rootcause analysis and corrective actions.
  • Develop optimize qualify and standardize photolithography and wafer process flows to improve yield cycle time equipment utilization and cost.
  • Lead continuous improvement initiatives targeting defect reduction overlay accuracy CD uniformity and reduction of rework and process variability.
  • Develop and maintain photolithography specifications work instructions process controls and bestpractice guidelines.
  • Support qualification and integration of new photoresists mask sets exposure tools metrology systems and wafer materials.
  • Lead rootcause analysis and corrective actions for lithographyrelated yield losses and production issues.
  • Support new product introduction process validation PFMEA control plans mask review and production readiness.
  • Ensure all processes comply with customer regulatory environmental safety and industry requirements

Qualifications You Must Have


  • Typically requires a degree in Science Technology Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience
  • Experience supporting lithography processes

Qualifications We Prefer


  • Degree in Engineering Materials Science Chemistry Physics Microelectronics or a related field
  • Direct experience with semiconductor photolithography processes: resist material mask alignment exposure developing and metrology.
  • Experience with wafer-level chemical processes and surface preparation
  • Hands-on experience with lithography materials characterization (SEM CDSEM optical microscopy overlay metrology particle analysis).
  • Practical experience troubleshooting lithography defects and process in a semiconductor microelectronics MEMS or other highly regulated manufacturing environment.
  • Familiarity with industry process control and quality systems
  • Experience supporting low- to high-volume or highmix production environments.
  • Understanding of lean manufacturing Six Sigma or related process improvement methodologies.
  • Experience with DOE SPC statistical analysis or advanced processcontrol strategies.

What We Offer:

Some of our competitive benefits package includes:

  • Medical dental and vision insurance
  • Three weeks of vacation for newly hired employees
  • Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution including a Lifetime Income Strategy option
  • Tuition reimbursement program
  • Student Loan Repayment Program
  • Life insurance and disability coverage
  • Optional coverages you can buy pet insurance home and auto insurance additional life and accident insurancecritical illnessinsurance group legal ID theft protection
  • Birth adoption parental leave benefits
  • Ovia Health fertility and family planning
  • Adoption Assistance
  • Autism Benefit
  • Employee Assistance Plan including up to 10 free counseling sessions
  • Healthy You Incentives wellness rewards program
  • Doctor on Demand virtual doctor visits
  • Bright Horizons child and elder care services
  • Teladoc Medical Experts second opinion program
  • And more!

Learn More & Apply Now!


The next chapter of our future as an aerospace company is here and we are excited about what this means for our employees and customers! Get onboard the Collins Aerospace Operations team and play a part in managing our innovative products from inception to delivery. The Operations team continues to grow and aims to strengthen the connection of Manufacturing Operations Supply Chain and Environment Health & Safety (EH&S) across Collins this dynamic environment you will have the opportunity to network across our businesses and functions all while improving the productivity quality and efficiency of our operations worldwide.


*Please ensure the role type (defined below) is appropriate for your needs before applying to this role.

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.


At Collins the paths we pave together lead to limitless possibility. And the bonds we form with our customers and with each other -- propel us all higher again and again.


Apply now and be part of the team thats redefining aerospace every day.

As part of our commitment to maintaining a secure hiring process candidates may be asked to attendselect 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 107500 USD - 204500 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 candidates 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 companys 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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Required Experience:

Staff IC


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