Principal Engineer IV
RTX· Defense· Oct 23, 2026 · 5d ago
Winston Salem, NC
In office
Full-time
Principal
$141K–$216K est.
8+ years exp
Job description
Date Posted:
2026-10-23 Country:
United States of America Location:
US-NC-WINSTON SALEM-190 ~ 190 Oak Plaza Blvd ~ BLDG 190 Position Role Type:
Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements:
The company will offer immigration sponsorship for this position, if needed. The company will not seek an export authorization for this role. Security Clearance Type:
None/Not Required Security Clearance Status:
Not Required
At RTX, the world 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.
As a Principal Engineer in Structural Engineering, you will play a critical role in delivering finite element analysis (FEA) solutions to support product design, development, and optimization. You will lead efforts to refine modeling techniques, manage program deliverables, and drive innovation in alignment with business goals.
What You Will Do:
Take ownership of FE analysis program deliverables, including full program management and coordination with supporting engineers.
Prepare and present FEA reports in review meetings, providing design update recommendations.
Manage multiple projects simultaneously while facilitating design iterations.
Develop program-specific strategies and implement risk mitigation plans.
Correlate test failures to refine modeling methods and support program updates.
Improve modeling techniques and implement the latest technology advancements.
Author and support training modules, methods, and tools, while leading initiatives for method improvements.
Participate in cross-functional efforts to drive process improvements across departments such as Quality, Production, and Sales.
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 in product analysis, particularly crash analysis, with virtual Anthropomorphic Test Devices (vATDs)
Experience using and reviewing high strain rate material in LS-Dyna analysis runs.
Acquired FEA document checking capability.
Proficiency in LS-Dyna, Hyperworks, and LS-PrePost tools.
Qualifications We Prefer:
Experience with scripting and automation tools such as Python, MATLAB, or VBA
Familiarity with TeamCenter, Siemens NX, Primer
Experience with nonlinear analysis, fatigue analysis, and advanced crash analysis methods.
Experience leading or guiding mechanical analysis teams as a subject matter expert.
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 insurance, critical illness insurance, group legal, ID theft protection
Birth, adoption, parental leave benefits
Carrot Health to hormonal health, fertility, and family building
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!
At Collins Aerospace, our Interiors team is focused on innovation, safety and cost efficiency. But we don’t just get people from point A to point B. We’re committed to making air travel more comfortable, connected and secure. As a leader in aviation interior products and services, we’re helping airlines and original equipment manufacturers create a positive experience for their customers. With offices and manufacturing facilities in more than 12 states across the U.S. and more than 10 countries around the globe, we’re changing the game of aircraft interiors. Are you ready to join our team?
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 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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Benefits
Benefits detected in the listing.
Dental
Vision
401(K)
Paid Time Off
Parental Leave
Wellness