Mechanical Engineer I (Onsite)

Date Posted: 2026-08-28

Country:

United States of America

Location:

US-AZ-TUCSON-927 ~ 1151 E Hermans Rd ~ ATF 927

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type:

DoD Clearance: Secret

Security Clearance Status:

Active and existing security clearance required after day 1

Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX.

The Materials & Process Engineering (M&PE) Department within the Hardware Engineering Center is seeking a highly motivated and detail-oriented Mechanical Engineer. In this role, you will be responsible for performing mechanical testing and designing fixtures to support development, design, and failure analysis activities for a diverse range of product applications. This position requires critical thinking, problem-solving skills, and meticulous attention to detail in executing procedures, testing, analysis, and documentation. You will collaborate closely with design engineers, material engineers, and subject matter experts across various disciplines, managing and coordinating multiple tasks to meet schedule requirements. As part of a multi-disciplined team, you will contribute to solving complex technical challenges. If you enjoy hands-on work and developing innovative solutions to challenging engineering problems, this opportunity is for you.

What You Will Do

• Perform hands-on mechanical testing using various laboratory techniques to evaluate material properties and design limitations
• Develop test plans and set up test configurations for unique hardware applications
• Assess materials for compliance with specifications and standards
• Evaluate parts and hardware to ensure alignment with structural analyses and conformance to design requirements
• Collaborate effectively with a multi-disciplinary team of engineers and subject matter experts
• Execute tasks with a high degree of attention to detail, ensuring accuracy and quality in testing, analysis, and documentation
• Manage and coordinate multiple analysis tasks simultaneously while adhering to schedule requirements

Qualifications You Must Have

• Bachelor's degree in Mechanical Engineering, Materials Science or related (STEM) major obtained by start date.
• Experience with mechanical testing equipment, such as Instron or MTS load frames.
• Experience with stress and structural analysis principles and methods.
• Experience may be obtained through on-the-job experience, research, course
• work, or projects

Qualifications We Prefer

• Proficiency with instrumentation and data acquisition equipment to support mechanical testing and analysis.
• Experience using software tools such as LabVIEW, MATLAB, and PTC Creo for data collection, analysis, and design.
• Experience with ASTM test methods for conducting mechanical testing.
• Hands-on experience with general material testing and analysis using laboratory equipment.
• Ability to write clear and concise technical reports to effectively summarize analyses and test results.
• Proficiency in Microsoft Office Suite, including Word, Excel, and PowerPoint.

What We Offer

• Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.

• Relocation Eligibility

Learn More & Apply Now!

Please consider the following role type definition as you apply for 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

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 57,200 USD - 108,800 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.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms