Principal Mechanical Design Engineer IV(Onsite)

RTX; Jamestown (ND); On-site; USD 108,000 - 205,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Three weeks of vacation

Generous 401(k) plan with employer +续

Tuition reimbursement

Employee assistance program

Parental leave

Life insurance

Job summary

RTX is seeking a Principal Mechanical Engineer in the US to lead a cross-functional team of engineers in the development of highly reliable aerospace products. You will oversee design activities, conduct trade studies, and ensure manufacturability while meeting customer requirements and controlling costs.

The role focuses on technical leadership, collaboration with Systems Engineers, and hands-on CAD modeling to deliver robust components and assemblies. Onsite work in Jamestown, ND is expected.

Qualifications

• University degree with 8+ years of experience or advanced degree with 5+ years.
• Experience in aerospace mechanical design and development.

Responsibilities

• Generate design concepts and perform trade studies to optimize configurations.
• Design and review layouts, drawings for manufacturability and conformance to standards.
• Provide technical leadership and mentor less experienced engineers.
• Coordinate interrelated design activities with Systems Engineers and IPT for project success.
• Perform tolerance analysis and basic stress sizing for components and assemblies.

Skills

Aerospace mechanical design

System-level thinking

Leadership

Interdisciplinary collaboration

Education

University degree

Advanced degree

Tools

NX CAD

CAD software

3D solid modeling

Job description

Date Posted: 2026-11-06 Country: United States of America Location: US-ND-JAMESTOWN-P1 ~ 2604 Highway 20 N ~ PLANT 1 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.

Principal Mechanical Engineer

A Principal Mechanical Engineer will be working in a focused, cross-functional team of engineers developing highly reliable products which meet customer specified requirements/expectations at the lowest competitive cost. The individual will be responsible for leading a team of engineers on development projects and oversee the work of engineers supporting the project.

What You Will Do:

• Generate design concepts in conformance with requirements and ensure that adequate trade studies and analyses are performed to arrive at optimum design configurations.
• Designs and reviews layouts, designs, and drawings for functionality, completeness, and manufacturability.
• Reviews designs for conformity to standards, procedures, and specifications.
• Performs final engineering drawing check for approval to release.
• Manage and be responsible for work assignments for lower-level engineers.
• Provides technical leadership and assists in training/mentoring of less experienced engineers.
• Interfaces and communicates with other engineering personnel, functional groups, and departments to coordinate the interrelated design and development for project success.
• Review and understand product specifications and determine design requirements and scope of work.
• Perform estimates of effort and duration for tasks.
• Work with Systems Engineers and IPT on requirements convergence planning.
• Perform tolerance analyses on components and assemblies to ensure proper fit/function.
• Provide basic stress analysis and free body diagrams of conceptual designs for initial sizing of parts.
• Advanced in CAD solid modeling techniques to prepare component and assembly models.
• Designs and implements common procedures and standard work across the organization to optimize efficiency and quality.
• Writing test requests, supporting design verification testing, and coordinating with test department.
• Experience with materials properties/selection and experience with manufacturing processes.

Qualifications You Must Have:

• Typically requires a University Degree and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience.

Qualifications We Prefer:

• Experience in aerospace mechanical design product development
• Strong experience with detailed design using 3D solid modeling software (NX experience preferred)
• Experience in ANSI ASME Y14.5 and GD&T FAA/EASA certification/regulation experience

What We Offer:

• 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!

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.

Additional hiring process:

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.

Compensation:

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.

Benefits eligibility:

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.

Short-term & long-term incentive programs:

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.

Location and eligibility:

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.

Application window:

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.

Equal Employment Opportunity Statement

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.

Affirmative action

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.

Privacy Policy and Terms

Privacy Policy and Terms:

About RTX

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.