Principal Engineer – Solid Propulsion

Raytheon; Tewksbury (MA); On-site; USD 120,000 - 170,000; Full time

Job summary

Raytheon in Tewksbury, MA is seeking a Principal Engineer - Solid Propulsion to join the Energetics and Propulsion Department. This onsite role focuses on propulsion system design, development, and integration for missile and space Vehicle programs.

Candidates must hold an active DoD Secret clearance or eligibility to obtain interim clearance; U.S. citizenship required. You will collaborate across product lines and manage subcontractors to deliver advanced propulsion solutions.

Responsibilities

• Apply advanced technologies to propulsion and system integration for missiles and space vehicles.
• Collaborate across Raytheon development and production programs.
• Review manufacturing processes; coordinate with subcontractors on propulsion systems.
• Present technical capabilities and future directions to management and agencies.
• Manage propulsion development projects and subcontracts; oversee suppliers.
• Interface with customers to identify user needs.
• Lead in obtaining new business and resolve issues in missile program development.
• Maintain active DoD security clearance and citizenship requirements.

Job description

Location:

US-MA-TEWKSBURY-TB4 ~ 836 North St ~ INNOVATION BLDG

Date Posted: 2026-08-11

Country: United States of America

Location: US-MA-TEWKSBURY-TB4 ~ 836 North St ~ INNOVATION BLDG

Position Role Type: Onsite

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: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

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.

About Us

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 Energetics and Propulsion Department is an engineering organization in the Hardware Engineering Directorate. This Department is responsible for the full spectrum of warhead, fuzing, and propulsion designs/technology, including power systems, ignition, and all other weapon initiation safety systems technology. The department is seeking to hire a Principal Engineer - Solid Propulsion.

This position is an onsite role located in Tewksbury, MA.

Responsibilities To Anticipate

• Apply or develop highly advanced technologies, scientific principles, theories and concepts to the systems integration of propulsion, thrusters, controllers, software, mechanical and electrical interfaces for integration into missile systems and space vehicles.
• Involvement with both development and production programs across Raytheon Product Lines
• Review manufacturing processes and problem resolution as well as working directly with subcontractors on the design and manufacturing of solid rocket motor propulsion systems
• Work in a collaborative environment with program management in long-range program planning concerning new or projected areas of technological research and advancements and be a key spokesperson on program’s technical capabilities and future directions
• Manage propulsion system development projects and propulsion subcontracts; review and disposition subcontract data and change requests; and oversee supplier operations
• Develop and deliver technical presentations to management and government agencies
• Frequently interface with the Customer to identify user needs
• Be instrumental in obtaining new company business and act independently to uncover and resolve issues associated with the development and implementation of operational missile programs
• 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