Sr. Principal Systems Engineer - 18518

Northrop Grumman•Roy, UT

1d•$122,800 - $184,200•Onsite

About The Position

Northrop Grumman Defense Systems is seeking an Sr. Principal Systems Engineer. This position is located in Roy, Utah. This role may offer a competitive relocation assistance package. The Flight Systems Futures operating unit within Strategic Deterrent Systems is seeking highly motivated talent to join a team at the forefront of next-generation hypersonic capabilities. Our team focuses on the design, development, and demonstration of hypersonic re-entry vehicles and advanced payloads, with an emphasis on rapid development and prototyping aligned to specific customer missions. We operate in a fast-paced, mission-driven environment where innovative concepts are matured quickly into credible, testable solutions that address our nation’s most demanding strategic deterrence needs.

Requirements

Bachelor's degree in Systems, Software, or related STEM degree field with 8 years of experience; or 6 years experience with a Master's (MS) degree; or 4 years experience with a STEM PhD
Must be a US Citizen with a current/active US Government Top Secret clearance at time of application, current and within scope, renewed or initiated within the last 6 years.
Must be able to be successfully screened for Enhanced Security Clearances, within a reasonable amount of time as determined by the company to meet its business needs
3+ years experience to include full lifecycle work (concept, development, verification, sustainment), SysML based MBSE tools (IBM Rhapsody, Cameo, SysML v2) and the ability to develop and maintain system models.
3+ experience in writing, managing, and tracing complex requirements (e.g., using DOORS, Jama, or Polarion), defining verification plans, test procedures, executing system level verification activities, and creating and governing ICDs for hardware, software, and external system interfaces.
Strong written and verbal communication; ability to produce clear technical documentation and present to senior leadership and customers.

Nice To Haves

Hands on experience conducting lab based hardware demonstrations and integrating system models with test rigs.
Direct exposure to Nuclear Surety and Nuclear Safety systems (e.g., NQA1, DOE safety standards).
Familiarity with model based test generation and automated test frameworks.
Familiarity with Northrop Grumman engineering standards (CMMI, DO178C, MILSTD498, NQA1) and safety critical development practices.
Basic proficiency in Python or MATLAB for data analysis and test automation (not a primary development role).
Professional certifications (e.g., INCOSE Certified Systems Engineering Professional, Certified MBSE

Responsibilities

Contribute to the definition and evolution of system architecture using Model Based Systems Engineering (MBSE) tools (e.g., IBM Rhapsody, Cameo Systems Modeler).
Generate, allocate, and trace requirements across the system hierarchy; develop verification methodologies that meet NG and DoD standards.
Author requirement sets and produce Interface Control Documents (ICDs) that precisely define internal and external system interfaces.
Create and coordinate customer deliverables (technical reports, trade studies, compliance matrices) for program reviews and external stakeholders.
Participate in lab based demonstrations and hardware in the loop (HIL) testing to validate system behavior against requirements.
Lead cross functional reviews (design, trade, verification) and ensure compliance with engineering processes (CMMI, DO178C, MISRAC, NQA1).
Mentor junior engineers and foster best practices in requirements management, verification planning, and MBSE modeling.