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Mechanical Structural Engineer I (Onsite)

RTX
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Tucson, AZ, USA
Sep 21, 2026

Date Posted:

2026-09-20

Country:

United States of America

Location:

US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805

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.


The Mechanical Analysis and Test (MA&T) Department is responsible for ensuring structural and thermal design robustness across the Raytheon portfolio of products.  From preliminary concepts to fielded weapon system support, MA&T delivers innovative structural and thermal engineering solutions utilizing methods ranging from classical fundamental & empirically based techniques to state-of-the-art finite element methods leveraging industry leading commercial tools; all complimented and validated by tests executed in a manner to ensure cost effective yet technically balanced solutions.


Raytheon is seeking a Mechanical Structural Engineer to join the MA&T Department. In this role you will get the opportunity to work on products throughout their lifecycle from initial design trade studies and proposals through qualification testing to enduring production support.  Entry level engineers will join and learn from a team of 200+ engineers working in all areas of structural engineering, and can expect a wide variety of assignments, from classical stress analyses to cutting edge computer aided analysis methodologies and field test support at locations around the world. This posting is for an onsite position in Tucson, AZ.


What You Will Do

  • Perform hand calculations and determine requirements for higher order detailed analysis
  • Perform detailed structural analyses to solve various program structural design challenges
  • Generate test plans required to validate analyses and verify hardware compliance to requirement
  • Analyze test data to validate and correlate models, and/or generate mechanical loads and environments
  • Work with experienced analysts on problems of moderate complexity to provide the answers needed under program cost and schedule constraints
  • Coordinate and lead technical peer reviews ensuring the technical accuracy of work product
  • Present results to internal stakeholders and external customers
  • Generate detailed, archival technical reports


What You Will Learn

  • How to work as part of an Integrated Product Team, collaborating with other engineering disciplines to solve challenging technical problems for our customers
  • How structural engineering is conducted in an innovative industry setting, through comprehensive department-sponsored training and mentoring from senior staff

Qualifications You Must Have

  • Bachelor's degree in Mechanical Engineering or related (STEM) major obtained by start date.
  • Experience in structural design and analysis
  • Experience with any of the following tools: PATRAN, NASTRAN, ANSYS, ABAQUS or equivalent software
  • Experience may be obtained through on-the-job experience, research, coursework, or projects


Qualifications We Prefer

  • Experience with solid modeling CAD tool such as CREO or equivalent
  • Experience with Matlab
  • Experience in structural test and instrumentation experience
  • Ability to travel to government and other facilities in support of program activities
  • Working knowledge of mechanical principles to solve classical structural engineering problems both inside and outside of software tools


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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Job ID

01874735

Security Clearance

SECRET
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