Senior Principal Systems Architect (MBSE & Cameo)

RTX; Town of Marlborough (NY); On-site; USD 132,000 - 252,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k)

Tuition reimbursement

Student loan repayment

Life insurance

Disability coverage

Parental leave

Flexible schedules

Wellness program

Job summary

RTX is seeking a Senior Principal Systems Engineer to lead the definition, design, and development of a next-generation architecture for the STARS platform. The role requires deep systems engineering expertise and MBSE proficiency with Cameo, guiding cross-functional teams to a scalable, safe solution.

The candidate will shape the system's long-term architectural vision, collaborate with program leadership and external stakeholders, and mentor engineers in MBSE practices while ensuring

Qualifications

• Degree in STEM with 10+ years of relevant experience, or an advanced degree with 7+ years.
• 10+ years of experience in complex system architecture or systems engineering.
• Expert-level proficiency with Cameo Systems Modeler, SysML, and MBSE processes.
• Strong knowledge of requirements, interfaces, integration, and verification strategies.
• Proven ability to lead architectural efforts from concept to implementation.
• Excellent communication, presentation, and technical leadership skills.

Responsibilities

• Lead architecture development for the next-gen STARS system, including conceptual, logical, and physical architectures.
• Develop and maintain MBSE models using Cameo to represent system behavior and interfaces.
• Perform architecture trade studies and define technical roadmaps.
• Collaborate with engineering teams to ensure architectural alignment and feasibility.
• Establish and enforce architectural and modeling standards.
• Support requirements decomposition and traceability using MBSE.
• Present architectural concepts and decisions to leadership and customers.
• Mentor junior engineers in MBSE and Cameo usage.
• Ensure compliance with safety and certification requirements for NAS systems.

Skills

MBSE

Architecture leadership

System design

Communication

Requirements tracing

Education

STEM degree

Advanced degree

Tools

Cameo Systems Modeler

SysML

Job description

RTX is seeking a Senior Principal Systems Engineer to lead the definition, design, and development of a next-generation architecture for the STARS platform. The role requires deep systems engineering expertise and MBSE proficiency with Cameo, guiding cross-functional teams to a scalable, safe solution.

The candidate will shape the system's long-term architectural vision, collaborate with program leadership and external stakeholders, and mentor engineers in MBSE practices while ensuring