Principal Mechanical Engineer - Advance Airframes

Raytheon; Tucson (AZ); On-site; USD 107,500 - 204,500; Full time

Benefits offered by this job

Medical benefits

401(k) match

Parental leave

Job summary

Raytheon is seeking a Principal Mechanical Engineer for their Advanced Airframes Department in Tucson, Arizona. Responsibilities include mechanical design, integration, and testing of defense system hardware, leading small teams, and collaborating with various engineering groups. A STEM degree and at least 8 years of relevant experience are required. The position offers a competitive salary range of $107,500 – $204,500, along with comprehensive benefits. This is an onsite role that requires an active Secret clearance and U.S. citizenship.

Qualifications

• 8+ years of relevant experience or 5+ years with advanced degree.
• Experience overseeing suppliers in the fabrication or production of mechanical hardware.
• Familiarity with tolerance analysis and drawing interpretation.

Responsibilities

• Perform mechanical design and documentation of components.
• Collaborate across multiple engineering groups.
• Lead a team and meet schedule, financial, and technical goals.
• Support product integration with suppliers.
• Conduct thermal, structural, and dynamic analysis.

Skills

Mechanical Design

Geometric Dimensioning and Tolerancing (GD&T)

CAD design tools

Team Leadership

Education

Degree in STEM

Job description

Location

US-AZ-TUCSON-9020 ~ 9020 S Rita Rd ~ BLDG 9020

Date Posted

2026-04-28

Country

United States of America

Position Role Type

Onsite

Security Clearance

Requires active Secret clearance. U.S. citizenship required for clearance acquisition.

Overview

The Advanced Airframes Department is hiring a Principal Mechanical Engineer located in Tucson, Arizona. Responsibilities include design, integration, and test of mechanical‑focused hardware using CAD, mechanical analyses, and coordination across engineering teams to ensure successful hardware performance, typically demonstrated through flight tests. The role may lead small teams and focus on updating existing designs for future production.

What You Will Do

• Perform mechanical design, development, and documentation of components, sub‑assemblies, and major end items for defense system equipment according to system requirements.
• Collaborate across multiple engineering groups (Structural, Thermal Analysis, Materials Engineering, Quality, Safety, Supply Chain).
• Lead a team with limited supervision and meet commitments for schedule, financial, and technical goals.
• Support suppliers with product integration.
• Provide support for thermal, structural, and dynamic analysis, incorporating results into mechanical design.
• Perform and review tolerance analyses to ensure form, fit, and function meet design intent.
• Improve new and existing designs using DFMA and design for producibility principles.
• Apply technical problem‑solving and hardware development in a fast‑paced team environment.

Qualifications You Must Have

• Degree in STEM and minimum 8 years of relevant experience or advanced degree plus 5 years of experience.
• Experience with Geometric Dimensioning and Tolerancing (GD&T) and basic tolerance analysis and drawing interpretation.
• Experience with CAD design tools.
• Experience overseeing suppliers in fabrication or production of mechanical hardware.

Qualifications We Prefer

• Experience with airframe development, electronics packaging, or mechanisms for missiles or similar engineering applications.

What We Offer

• Salary range: $107,500 – $204,500 USD.
• Benefits include medical, dental, vision, life insurance, short‑term and 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 depend on business unit and whether the position is covered by collective‑bargaining agreement.
• Potential eligibility for annual incentive compensation based on performance and business unit performance.

Equal Opportunity Employer

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.