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# Sr. Principal Systems Engineer - 18518*

- **Company:** Northrop Grumman
- **Location:** Roy, UT, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Capability Maturity Model Integration, MISRA C (C Programming Language), Rhapsody, Requirements Management, Systems Modeling Language, Systems Architecture, Jama (Software), SC Clearance, Polarion
- **Published:** August 8, 2026
- **Apply:** https://us.experteer.com/career/view-jobs/sr-principal-systems-engineer-18518-star-roy-ut-usa-58846571

## About the Role

Rhapsody, reviews and ensure process compliance (CMMI, DO178C, MISRA, NQA1) * Mentor junior engineers and promote best practices in requirements management and MBSE Tasks * Bachelor's degree in Systems, Software, or related STEM field with 8 years experience; or 6 years with MS; or 4 years with PhD * US Citizenship with current/active Top Secret clearance within scope * Ability to obtain Enhanced Security Clearances within a reasonable time * 3+ years experience with full lifecycle work and SysML-based MBSE tools (IBM Rhapsody, Cameo, SysML v2) * 3+ years experience writing, managing, and tracing complex requirements using DOORS, Jama, or Polarion; experienced in defining verification plans and ICDs * Strong written and verbal communication; ability to present to senior leadership and customers Key requirements * Medical, Dental & Vision coverage * 401k * Educational Assistance * Life Insurance * PTO * Health & Wellness Resources

## Description

Experteer Overview In this role you will shape the architecture and verification of complex flight systems for cutting-edge defense programs. You will work within a cross-functional team to define system models, drive MBSE practices, and ensure DoD-standard verification. You'll deliver interfaces, documentation, and lab-based demonstrations that validate requirements against mission needs. This position focuses on advancing payloads and hypersonic concepts, offering a high-impact opportunity to contribute to national security and technological leadership. Compensation / Benefits * Define and evolve system architecture using MBSE tools (IBM Rhapsody, Cameo) * Allocate, trace, and verify requirements across the system hierarchy * Author requirement sets and produce ICDs for system interfaces * Create and coordinate customer deliverables (reports, trade studies, compliance matrices) * Participate in lab demonstrations and hardware-in-the-loop testing * Lead cross-functional design, verification reviews and ensure process compliance (CMMI, DO178C, MISRA, NQA1) * Mentor junior engineers and promote best practices in requirements management and MBSE Tasks * Bachelor's degree in Systems, Software, or related STEM field with 8 years experience; or 6 years with MS; or 4 years with PhD * US Citizenship with current/active Top Secret clearance within scope * Ability to obtain Enhanced Security Clearances within a reasonable time * 3+ years experience with full lifecycle work and SysML-based MBSE tools (IBM Rhapsody, Cameo, SysML v2) * 3+ years experience writing, managing, and tracing complex requirements using DOORS, Jama, or Polarion; experienced in defining verification plans and ICDs * Strong written and verbal communication; ability to present to senior leadership and customers Key requirements * Medical, Dental & Vision coverage * 401k * Educational Assistance * Life Insurance * PTO * Health & Wellness Resources


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