Thermal Analysis Section Leader

Raytheon; Tucson (AZ); On-site; USD 108,000 - 205,000; Full time

Job summary

Raytheon in Tucson, AZ is seeking a senior mechanical engineer for on-site structural analysis of missile and combat-system hardware. The role requires an active DoD security clearance and occasional travel to government and partner facilities.

You will perform hand calculations, develop detailed FEM models, mentor junior engineers, and ensure timely delivery of analysis results to both internal teams and external customers.

Qualifications

• 8+ years of thermal analysis experience.
• Experience leading engineering teams.
• Proficient in thermal FEM using PATRAN or ANSYS.
• Strong understanding of mechanical principles and structural analysis.
• Ability to obtain/maintain DoD security clearance.

Responsibilities

• Act as a technical leader and/or lead analysis/test teams.
• Support staffing requests to ensure programs are staffed.
• Engage with team members for performance and career development.
• Assist with proposal estimation and scope.
• Perform hand calculations to scope higher detail analyses.
• Deliver results to customers (internal and external).

Skills

Thermal analysis

Engineering leadership

Finite element methods

Structural analysis

Windows OS

Education

Bachelor's degree in STEM

Advanced degree preferred

Tools

PATRAN

ANSYS

Job description

Date Posted: 2026-09-28

Country: United States of America

Location: US-AZ-TUCSON-807A ~ 1151 E Hermans Rd ~ BLDG 807A

Position Role Type: Unspecified

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: Active and existing security clearance required on day 1

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.

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world.

Raytheon Mechanical Engineering (ME) leads in mechanical hardware design, development and production of missiles, radar, sonar, torpedo and combat system equipment. The Mechanical Engineering group uses state-of the-art tools, processes, technology, and Raytheon CORE principles. ME capabilities encompass a broad range of technical disciplines which include engineering, manufacturing, technical services, materials, processes, analysis, test and documentation.

The Mechanical Analysis and Test Department (MA&T) is responsible for ensuring the structural integrity of all RMD Products. From the preliminary concept to fielded weapon support, MA&T delivers innovative and robust structural analysis solutions utilizing methods ranging from classical fundamental and proprietary empirically based techniques, to state of the art finite element methods and commercial computer codes; all complimented and validated by tests executed in a manner to ensure cost effective yet technically balanced solutions.

We value diverse skills and experience, so don’t hold back. Your qualification could add tremendous value to our team. Our customers come from all different backgrounds, and so do our employees. If you’re passionate about what you could accomplish here, we’d love to hear from you.

This position is in Tucson, Arizona. The position is onsite.

Travel Will Be Required.

Responsibilities to Anticipate

• Act as a technical leader (help define/refine and/or develop MA&T department technical processes and tools) and/or lead analysis/test teams
• Support staffing requests to ensure all programs are staffed the appropriate personnel.
• Engage with team members to discuss performance and career development
• Assist with proposal preparation including estimating the scope of new engineering projects.
• Perform Hand Calculations to determine scope of higher detail analysis models
• Perform detailed analysis to solve diverse program structural challenges
• Perform peer reviews of all analysis to validate process and results
• Document results according to Raytheon ME standards
• Deliver results to customers (internal and external)

Basic Qualifications

• Typically requires Bachelor’s in Science, Technology, Engineering, or Mathematics and 8+ years of experience OR in absence of a degree, 12 years of experience. An advanced degree in a related field may be substituted for additional years of experience
• 8 years of thermal analysis experience
• Experience in leadership of engineering teams driving technical and cost performance
• Experience with Thermal Finite Element Analysis using PATRAN or ANSYS or equivalent software.
• Experience in mechanical principles to solve classical structural analysis solutions both inside and outside of finite element tools
• Experience in workstations that run Windows and Office Suite
• 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.

Preferred Qualifications

• Ability to work on a Raytheon plant-site including the ability to attend in-person meetings, visit test laboratories
• 10 or more years of experience in the structural analysis of complex systems that require collaboration of multiple engineering disciplines (such as a weapon system)
• Experience mentoring new hires and junior engineers
• Earned Value Management System knowledge
• Ability to work independently and manage multiple priorities
• Demonstrated experience in structural testing: planning, organization, execution, data reduction and correlation
• Strong interpersonal skills working in a team environment with positive interaction
• Ability to travel to government and other facilities in support of program activities
• Advanced degree in aforementioned disciplines. ABET is the preferred, although not required, accreditation standard
• Experience making presentation to external customers
• Experience as a technical leader and/or leader of engineering teams
• Proposal development experience

What We Offer

Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the superior benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance, and child/adult backup care.

The opportunity to work with and learn from a very diverse and highly skilled department of structural analysts who are experts in their respective specialties. The department currently has over 100 structural analysts including multiple engineering fellows. The department also currently offers a robust set of Raytheon-taught engineering courses on relevant topics ranging from engineering theory and application, to engineering processes and tools specific to RMD.

Clearance Information:This position requires the eligibility to obtain a security clearance. Non-US citizens may not be eligible to obtain a security clearance. The Defense Industrial Security Clearance Office (DISCO), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm

Please ensure the role type defined below is appropriate for your needs before applying to this role. 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.

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 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.

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.