Mechanical Engineer I (Onsite)

Date Posted: 2026-09-23

Country:

United States of America

Location:

US-AZ-TUCSON-928 ~ 1151 E Hermans Rd ~ MULTI PURPOSE FAC 928

Position Role Type:

Onsite

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

Active and transferable U.S. government issued security clearance is required prior to start date.​ 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:

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

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.

Raytheon’s Ground Based Effectors Department is currently searching for Mechanical Engineers to work on multi-disciplined teams supporting the design and/or production support of our products and subsystems. The products support US Government and international customers. These positions support product lines based in Tucson, AZ, and may require domestic and international travel to suppliers, Raytheon facilities, and customer sites. This position will be an onsite role.

What You Will Do

• Perform mechanical design, development, and documentation of components, sub-assemblies, for tactical missile systems and equipment in accordance with system requirements.
• Collaborating with other engineering disciplines, non-technical disciplines, and suppliers to develop design solutions and resolve technical issues.
• Support the factory and suppliers with product development, obsolescence, troubleshooting, domestically and internationally.
• Interface with other engineering disciplines, non-technical disciplines, and suppliers to develop design solutions and resolve technical challenges.
• Work with limited supervision and meet commitments for assigned schedule, financial, and technical goals.
• Support and participate in design peer reviews, resolving action items, and conduct trade studies to make sound technical decisions.
• Support technical data package updates and/or variances.
• Supporting First Article Inspection process (FAI), work alongside Quality engineers in support of that in addition to Raytheon Source Inspection (RSI), work instruction reviews, material dispositions, and root cause investigations to production issues. Decisions are data driven and require preparing technical justification analysis reports and presenting to a variety of Engineering Review Boards.
• Utilize Raytheon hardware tools and processes.

Qualifications You Must Have

• Bachelor degree in Science, Technology, Engineering or Mathematics (STEM) major obtained by start date.
• Experience with 3D modeling CAD tools (modeling and drawing)
• Experience may be obtained through on-the-job experience, research, coursework, or projects

Qualifications We Prefer

• Bachelor's degree in Mechanical Engineering or Aerospace Engineering
• Experience in Geometric Dimensioning & Tolerancing (GD&T) per ANSI Y14.5
• Experience with Windchill PDM
• Ability to travel to government and other facilities in support of program activities

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.

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