Principal Systems Engineer (MBSE) (Onsite)

About the role

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 freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Raytheon is seeking a Principal Systems Engineer to perform Model Based Systems Engineering (MBSE) in support of enterprise-wide systems engineering and integration support within the Intelligence Community. The ideal candidate will apply MBSE and Digital Engineering practices to define system architecture, manage interfaces, and ensure traceability of requirements to technical solutions. This position requires close collaboration with government stakeholders and other entities. You will contribute to the advancement of products, processes, and operational frameworks while enhancing mission effectiveness and operational resilience. The role is performed in a SCIF environment and provides flexible work hours designed to promote a healthy work-life balance.

Responsibilities

• Apply MBSE and Digital Engineering practices across the full system engineering lifecycle.
• Support program and customer Digital Transformation initiatives, including roadmap development and implementation.
• Provide MBSE and systems engineering support to the Systems Integration (SI) team, ensuring alignment with program objectives.
• Collaborate across multi-disciplinary engineering teams to drive digital continuity, configuration management, and model governance.
• Contribute to the development of MBSE best practices, templates, and modeling standards to elevate engineering maturity.

Requirements

• Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 8 years of prior engineering experience or equivalent experience.
• Experience in MBSE and Cameo (or similar tools like Rhapsody, Enterprise Architect, Capella).
• Experience with unified Architecture Framework (UAF) for defense/aerospace environments, Digital Engineering practices, and tool chains to enhance design, integration, and test workflows.
• Experience with systems engineering processes (requirements, architecture, integration, verification & validation).
• An active and transferable TS/SCI CI Poly 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 the required security clearance.

Qualifications

• Advance innovation in modeling, simulation, and automation as part of a growing MBSE capability.
• Experience with project management and/or system integration.
• Experience working collaboratively in a team environment (Government, Military, SETA, and Contractor).
• Experience in enterprise-level planning, testing, and implementation.

Pay

The salary range for this role is 107,500 USD – 204,500 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.