Principal Engineer - Fuze & Initiation Systems

RTX (Raytheon); Tucson (AZ); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Relocation available

Job summary

RTX seeks a Principal Engineer - Fuze & Initiation Systems in Tucson, AZ, onsite. You will apply advanced technologies to fuze and initiation systems for missiles and space vehicles and work with DoD customers and suppliers.

You will develop architectures, designs, and safety reviews, manage SOWs and CIDS, and travel to facilities as needed.

Qualifications

• Bachelor's degree in STEM with at least 5 years of relevant experience.
• Minimum 5 years in electronic circuit design from concept to test/assembly.
• Active and transferable U.S. government security clearance required; U.S. citizenship required.

Responsibilities

• Apply advanced technologies to fuze and initiation systems for missiles and space vehicles.
• Support the Systems Safety Engineering Organization.
• Interface with the Customer to identify user needs.
• Develop fuze and initiation system architectures and top-level designs.
• Design, test, and evaluate fuze and initiation systems.
• Prepare Statements of Work (SOWs) and Critical Item Development Specifications (CIDS).

Skills

Security clearance

Electronic circuit design

Systems engineering

Project management

Education

Bachelor's Degree in STEM

Advanced degree preferred

Tools

MIL-STD-1316

MIL-STD-1901

MIL-STD-464

Job description

Date Posted: 2026-10-21

Country: United States of America

Location: US-AZ-TUCSON-928 ~ 1151 E Hermans Rd ~ MULTI PURPOSE FAC 928

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.

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 - Fuze & Initiation Systems.

What You Will Do

• Apply or develop highly advanced technologies, scientific principles, theories, and concepts to the systems integration of fuzing, ignition, and safety devices for integration into missile systems and space vehicles
• Support the Systems Safety Engineering Organization
• Interface with the Customer to identify user needs
• Work with customers, subcontractors and suppliers to resolve engineering issues, develop new products and hold technical reviews
• Develop initial fuze and initiation systems architectures and top-level designs
• Design, analyze, test, and evaluate fuze and initiation systems
• Develop Statements of Work (SOWs)
• Develop Critical Item Development Specifications (CIDS) and electrical logic and interface requirements
• Support fact-finding and contract negotiations
• Ensure technical rigor and depth of all deliverables
• Develop and present technical fuzing designs and updates to the Department of Defense (DoD) safety review boards
• Will travel periodic to government and subcontractor facilities

The Principal Engineer - Electrical Fuze & Initiation Systems role is in Tucson, AZ and is an onsite position.

Qualifications You Must Have

• Typically requires a bachelor's Degree in Science, Technology, Engineering, or Mathematics (STEM) and minimum of five (5) years of prior relevant experience. An Advanced degree in a related field may be substituted for three (3) years of relevant experience
• A minimum of five (5) years of experience in development of electronic circuit design from conceptual design through final test/analysis and assembly, etc., or electronic safe and arm device development experience
• Project Management as applied to team interaction and deliverables
• 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

Qualifications We Prefer

• Advanced degree in aforementioned disciplines. ABET is the preferred, although not required, accreditation standard
• Eight (8) or more years of directly related experience in fuzing and initiation systems devices and their applications
• Experience with safety devices design, manufacturing, testing, safety certification and/or compliance
• Experience performing electrical stress analysis, electrical thermal analysis, environment survivability assessment
• Analyze analog, digital, mixed signal and power conversion circuits using simulation and computational skills
• Experience in developing fuzing, safe & arm products that meet MIL-STD-1316, MIL-STD-1901, and MIL-STD-464
• Working knowledge of JOTP-051, 052, 053
• Experience with energetic and pyrotechnic initiators, exploding foil deflagrating initiators (EFDI), and Low energy exploding foil initiators (LEEFI) and their operation
• Experience with DoD customers and/or associated contractor executives and technical leadership
• Active Secret or Top Secret Clearance (Department of Defense)

What We Offer

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.

• Relocation available.