Senior Principal Mechanical Engineer (Onsite)

Date Posted:

2026-05-28


Country:

United States of America


Location:

US-IA-CEDAR RAPIDS-131 ~ 5450 C Ave NE ~ BLDG 131

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 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.

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.

The Computing Products Engineering Department within Avionics is seeking a Senior Principal Mechanical Engineer to support the electronics packaging design and development of high-performance communication products. These include displays, computing electronics, and networking electronics which are installed on commercial airliners, business.

This role offers the opportunity to work in a fast-paced, collaborative, and technically rigorous environment. Successful candidates will bring strong engineering judgment, initiative, and problem-solving skills, with the ability to make meaningful contributions and thrive while tackling complex technical challenges.

What You Will Do:

• Implement functional strategy for the team and also for the wider discipline community

• Develop standard work to be used by all ME’s within Avionics

• Use and apply mechanical engineering principles and techniques to design, develop, document, verify, and support computing products.

• Contribute to hardware engineering requirements capture and analysis in area of domain or functional expertise.

• Perform mechanical packaging design and analysis to meet challenging environmental requirements.

• Collaborate with other disciplines on development of circuit card designs (profile, stack up, thermal/vibration considerations)

• Lead prototype build, verification and pre-qualification testing within a cross functional team

• Work closely with a multi-disciplinary team to ensure defined requirements are consistently met in all phases of a product's lifecycle, including supporting integration, testing, qualification, and certification of the final product.

• Serve as a mechanical design subject matter expert in proposal preparations, internal design and customer reviews. Ensure that development products are designed to meet the applicable requirements.

Qualifications You Must Have:

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience.

• Demonstrated experience supporting the full product lifecycle, including participation in bid and proposal, requirement capture, design development, and production support activities.

Qualifications We Prefer:

• Experience with Computer Aided Design (CAD).  Includes working knowledge of model creation, interrogation with CAD tools like NX or Solidworks to support mechanical designs.

• Experience with DO-160 and/or MIL-STD-810 environmental requirements

• Proficiency with electronic product packaging requirements

• Proficiency with the principles of heat transfer and fluid mechanics as it pertains to electronics cooling

• Familiarity with Finite Element Analysis (FEA) and/or Computational Fluid Dynamics (CFD) and associated analysis methodologies

• Familiarity with machined and sheet metal manufacturing methodologies

• Knowledge of design to cost & manufacturability

• Experience with geometric dimensioning and tolerancing (GD&T)

• Familiarity with product certification for the FAA

WHAT WE OFFER: 

BENEFITS

• 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 insurance, critical illness insurance, 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!  

Avionics delivers advanced cockpit displays, vision systems, and comprehensive digital solutions for global government, commercial and business aviation customers. We provide connectivity and managed data services to ensure safety and seamless communication for passengers, crews, and militaries, from aircraft and airports to air traffic management. Join us in creating solutions that connect the world, one flight at a time. Start your application today. 

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. Regardless of your role type, collaboration and innovation are critical to our business and all employees will have access to digital tools so they can work with colleagues around the world – and access to Collins sites when their work requires in-person meetings. 

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 that’s redefining aerospace, every day. 

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 132,400 USD - 251,600 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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