P4 Principal Mechanical Engineer Lead

Date Posted : 2025-10-21

Country :

United States of America

Location :

MA131 : Tewksbury, MA Bldg 1 Assabet 50 Apple Hill Drive Assabet - Building 1, Tewksbury, MA, 01876 USA

Position Role Type : Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements :

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

Security Clearance :

DoD Clearance : Secret

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.

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

The Air Defense Ground Equipment (ADGE) Department leads mechanical design, development, and integration of platform systems. This includes launcher systems, shelter systems, missile hardware, hardware integration, cable & interconnections, as well as facility development, and site integration. The department is comprised of individuals with technical expertise and experience in hardware design, integration, and production support.

The ADGE department is looking for a full-time Principal Mechanical Engineer Lead to support Patriot Missile GEM-T major components and sub-assemblies, including obsolescence upgrades, procurement and supplier support located in Tewksbury, MA. (Onsite)

What You Will Do

Support design specification development through production qualification and release including ensuring design is manufacturable

Ensure the suppliers are successful in completing major design and production reviews on schedule​.

Participate in design peer reviews and conduct trade studies to promote sound technical decisions.

Provide responses to supplier questions related to general design expectations and interpretation of the relevant specifications​.

Provide guidance on Raytheon expectations for design rigor, level of TDP & MDP documentation required, typical analysis approach, and other similar topics.

Connect suppliers with Raytheon subject matter experts as required.

Collaborate with other engineering disciplines, non-technical disciplines, and suppliers to develop robust design solutions and resolve technical challenges.

Work with limited supervision and meet technical, schedule, and monetary commitments.

Apply knowledge and experience in technical problem solving and hardware development in an engaged team environment.

Drawing generation, drawing release, and drawing change incorporation

Qualifications You Must Have

Typically requires a Bachelor’s degree and 8 years of professional experience in Mechanical Engineering or related Engineering role.

Experience in engineering design, development and / or production support

Experience with Geometric Dimensioning and Tolerancing (GD&T) and ASME drawing and documentation standards and procedures

The ability to obtain and maintain a U.S. government issued security clearance and US passport is required.

U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer

Experience using Computer Aided Design (CAD) tools

Previous experience with design reviews including preparation of chart decks, generating design artifacts for presenting to suppliers and customers

Mechanical or Electrical Engineering discipline degree with 2+ years of experience working within small electromechanical or gyroscope similar assembly / products.

Familiarity with Earn Value Management (EVMS)

ASME Y14.5 GD&T (Geometric Dimensioning and Tolerancing) experience

Strong CAD design experience (CREO, AutoCAD preferred)

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 101,000 USD - 203,000 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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