On-Site Principal Mechanical Engineer — Lead, Defense Systems

Prattwhitney; Tewksbury (MA); On-site; USD 108,000 - 205,000; Full time

Job summary

RTX in Massachusetts is seeking a Principal Mechanical Engineer to join the Ground Equipment Design Team in a hands-on, technical leadership role. You will oversee mechanical design, documentation, and integration for radar shelters, electronic subsystems, and launchers, coordinating across internal teams and suppliers.

The ideal candidate will have extensive experience in mechanical design, CAD tools (ProE/CREO), and product data management, with ability to mentor junior engineers and drive

Qualifications

• Requires STEM degree and 8+ years of experience, or advanced degree with 5+ years.
• Experience in mechanical design, material selection, and manufacturing processes.
• Familiarity with CAD tools ProE/CREO and PDM systems.

Responsibilities

• Perform ME design, development, and documentation of components and assemblies.
• Lead cross-functional engineering teams across proposal to production.
• Support product integration with domestic and international factories and suppliers.

Skills

Mechanical design

Creo/ProE

PDM systems

Team leadership

Education

STEM degree

Advanced degree

Tools

ProE/CREO

PDM systems

Job description

RTX in Massachusetts is seeking a Principal Mechanical Engineer to join the Ground Equipment Design Team in a hands-on, technical leadership role. You will oversee mechanical design, documentation, and integration for radar shelters, electronic subsystems, and launchers, coordinating across internal teams and suppliers.

The ideal candidate will have extensive experience in mechanical design, CAD tools (ProE/CREO), and product data management, with ability to mentor junior engineers and drive