Senior Engineer - Solid Propulsion

RTX (Raytheon); Tewksbury (MA); On-site; USD 120,000 - 180,000; Full time

Job summary

RTX is seeking a propulsion engineer onsite in Massachusetts to work on missile propulsion systems and space vehicles. You will apply advanced propulsion technologies and collaborate with cross-functional teams to drive development and production programs.

The role requires a STEM degree with several years of propulsion experience and the ability to obtain/maintain a DoD security clearance. Onsite work and collaboration with suppliers are expected.

Qualifications

• Bachelor's degree in STEM with 5 years of relevant propulsion experience, or an advanced degree with 3+ years.
• Experience in propulsion technology and its application to solid propulsion systems.
• Ability to obtain and maintain a US security clearance; U.S. citizenship required.

Responsibilities

• Apply or develop advanced propulsion technologies for missile systems and space vehicles.
• Collaborate across development and production programs within Raytheon product lines.
• Review manufacturing processes and resolve issues with subcontractors on propulsion systems.
• Deliver technical presentations to management and government agencies.
• Lead propulsion development projects and manage subcontracts; oversee supplier activities.

Skills

Propulsion tech

Solid propulsion

Security clearance

Education

Bachelor's degree in STEM

Advanced degree

Job description

Date Posted: 2026-10-21

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.

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.

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
• 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 for a security clearance

Required Qualifications

• Bachelor's in Science, Technology, Engineering, or Mathematics (STEM) and 5 years of prior relevant experience OR an Advanced degree and 3 years of relevant experience
• Three (3) years of experience in propulsion technology and its application to solid propulsion systems
• Experience in the development of solid propulsion systems from conceptual design through final test / assembly etc.
• The ability to obtain and maintain a US security clearance prior to the start date. U.S. citizenship is required as only U.S. citizens are eligible for a security clearance

Desired Qualifications

• Advanced degree
• Eight (8) or more years of directly related experience in propulsive technology and its application to solid or liquid, Air Breathing systems (turboprop, turbine, scramjet/ramjet, RDE, VFDR, fuel bladders, fuel systems )and/or mono propellant propulsion systems
• Systems knowledge to assure full development of propulsion requirements and dissemination and flow down to subcomponent levels
• Experience with highspeed combustion mechanics
• Experience designing and developing inlet geometry
• Experience with compressible fluid dynamics (CFD, NPSS, etc.)
• Project engineering skills and experience using Earned Value Management System
• Demonstrated success as a proposal/cost account manager as well as p