2026 ADGE Principal Mechanical Engineer – On-Site

Prattwhitney; Tewksbury (MA); On-site; USD 107,500 - 204,500; Full time

Benefits offered by this job

Medical, dental and vision insurance

401(k) plan with employer match

Flexible spending accounts

Employee Scholar Program

Parental leave

Job summary

Prattwhitney in North Tewksbury, MA is seeking a Mechanical Engineer for their Air Defense Ground Equipment Mechanical Design Department. This role involves performing mechanical design, leading engineering teams, and collaborating with various disciplines to resolve technical challenges.

The ideal candidate will have a degree in STEM, 8+ years of experience in mechanical design and proficiency in CAD tools like ProE and Creo. Comprehensive benefits are offered, including medical insurance, 401(k) plan, and flexible work schedules.

Qualifications

• Minimum 8 years of relevant experience or an advanced degree with a minimum of 5 years of experience.
• Experience in mechanical design, material selection, and manufacturing processes.
• Skills in CAD design tools, particularly ProE and Creo.

Responsibilities

• Perform mechanical engineering design, development, and documentation.
• Oversee engineering teams as technical execution lead from proposal to program initiation.
• Mentor and guide junior engineers, fostering growth within the team.

Skills

Mechanical design

Material selection

CAD design tools

Product Data Management (PDM) systems

Leadership in engineering teams

Education

Degree in Science, Technology, Engineering or Mathematics (STEM)

Tools

ProE

Creo

Job description

Position

Mechanical Engineer – Air Defense Ground Equipment Mechanical Design Department

Location

Tewksbury, MA / Andover, MA

Security Clearance & Eligibility

U.S. citizenship required. Ability to obtain and maintain a U.S. government‑issued security clearance is required. DoD Secret clearance required after day one.

Department Overview

The Air Defense Ground Equipment Mechanical Design Department is responsible for the mechanical design, development, and integration of critical defense platform systems including radar and communications shelters, electronic subsystems, launchers, hardware integration, and system interconnects.

Responsibilities

• Perform mechanical engineering design, development, and documentation of components, subassemblies, and major end items.
• Oversee small to mid‑sized cross‑functional engineering teams as the technical execution lead from proposal generation to program initiation.
• Serve as the technical focal point for mechanical and cross‑functional teams.
• Provide support for product integration with domestic and international factories and suppliers.
• Collaborate with engineering, non‑engineering disciplines, and suppliers to resolve technical challenges.
• Work independently with minimal supervision while ensuring schedule, cost, and technical commitments are met.
• Support and participate in design peer reviews and conduct trade studies.
• Apply mechanical engineering knowledge to solve problems in a fast‑paced, team‑oriented environment.
• Mentor and guide junior engineers, fostering growth and knowledge sharing within the team.

Qualifications

• Degree in Science, Technology, Engineering or Mathematics (STEM).
• Minimum of 8years of relevant experience or an advanced degree with a minimum of 5years of experience.
• Experience spanning concept development, detailed design, transition to production, and sustainment.
• Experience in mechanical design, material selection, and manufacturing processes.
• Skills in CAD design tools, particularly ProE and Creo, including large‑assembly management.
• Experience with Product Data Management (PDM) systems.

Preferred Qualifications

• Advanced degree in Mechanical Engineering or a related hardware systems field.
• Experience in design and integration of electronic/shelter assemblies and power distribution equipment.
• Experience troubleshooting electromechanical systems.
• Experience with interconnects, cables, harnesses, and CNC machining.
• Proficiency in ASME Y14.5 GD&T.
• Structural design and analysis experience.
• Understanding of manufacturing systems and electromechanical production environments.
• Experience in cross‑functional IPT collaboration and engineering risk/proposal management.
• Familiarity with Earned Value Management / EAC and willingness to travel (~10%).

Benefits

• Salary range: 107,500USD – 204,500USD.
• Medical, dental and vision insurance.
• Life insurance.
• Short‑term and long‑term disability insurance.
• 401(k) plan with employer match.
• Flexible spending accounts.
• Flexible work schedules and employee assistance program.
• Employee Scholar Program.
• Parental leave.
• Paid time off and holidays.

EEO Statement

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 protected class. RTX provides affirmative action in employment for qualified individuals with disabilities and protected veterans in compliance with Section503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.