Senior Mechanical Design Engineer (Onsite)

Date Posted:

2026-11-05

 Country:

United States of America

 Location:

US-CA-CARLSBAD-5940 ~ 5940 Darwin Ct ~ DARWIN

 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.

Pratt & Whitney is a world leader in the design, manufacture and service of aircraft engines and auxiliary power systems and has been revolutionizing modern flight for over 100 years. Join us and help shape the future of aerospace and defense.

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.

Pratt & Whitney is a world leader in the design, manufacture and service of aircraft engines and auxiliary power systems and has been revolutionizing modern flight for over 100 years. Join us and help shape the future of aerospace and defense.

What You Will Do:

• •As a Senior Tooling Design Engineer, you will collaborate with senior engineers and cross-functional teams to design, develop, and refine tools and fixtures that support manufacturing and assembly processes.
• •You will contribute to impactful projects in a fast-paced environment while building your expertise in tooling design.
• •Design and develop tools, fixtures, and equipment to support manufacturing and engineering processes.
• •Create and update 3D models, technical drawings, and documentation using CAD software.
• •Collaborate with manufacturing, quality, and engineering teams to ensure tools meet functional requirements and are optimized for production.
• •Support the testing, validation, and troubleshooting of tools to ensure performance and quality standards are met.
• •Assist in the continuous improvement of tool design processes to enhance efficiency and reduce lead times.
• •Ensure compliance with safety standards, company policies, and engineering best practices.
• •Research and evaluate new suppliers for tooling and support the purchasing process.
• •Train engineers and technicians on proper use of tooling.
• •Explore and implement new technologies to align with business goals.

Qualifications You Must Have :

• •Bachelor’s degree in mechanical engineering or a related field.
• •Minimum of 5+ years of relevant experience or 3+ years with an advanced degree.
• •Experience with CAD software, such as NX, CATIA, Creo, or SolidWorks.
• •Experience with GD&T principles, manufacturing processes, and assembly techniques.
• •Experience in problem-solving and analytical tasks related to mechanical design.
• •Experience in working collaboratively within cross-functional teams.
• •U.S. citizenship is required as only U.S. citizens are authorized to access information under this program contract.

Qualifications We Prefer :

Experience designing molds, assembly fixtures, machining fixtures, or other tooling used for composite or ceramic processing in the aerospace industry.

Experience with Lean Manufacturing principles and process improvement tools.

Experience with additive manufacturing and advanced tooling technologies.

What We Offer:

• •Benefit
• •Relocation Package

Learn More & Apply Now

What Is My Role Type: In addition to transforming the future of flight, we are also transforming how and where we work. We’ve introduced role types to help you understand how you will operate in our blended work environment.

This position is classified as:

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.

Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility.

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 86,800 USD - 165,200 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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