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# Sentinel - Principal / Sr Principal Systems Engineer - 15389

- **Company:** Northrop Grumman
- **Location:** Manhattan Beach, CA, United States
- **Experience:** Expert
- **Salary:** $108,800.0 - $203,600.0
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Network Interface Controllers, Hardware Design, Language Modeling, Requirements Management, SAP (Applications), Software Requirements Analysis, Systems Modeling Language, UML
- **Published:** May 19, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=4aca9b081be7ab9c

## About the Role

This requisition may be filled at either the Principal Systems Engineer level (T-03) or Sr. Principal Systems Engineer level (T-04).

Required for both levels:

 * Must be a US Citizen with an active DoD Secret Clearance, at time of application, current and within scope, with an investigation date within the last 6 years
 * Must have the ability to obtain and maintain Special Access Program (SAP) approval within a reasonable period of time, as determined by the company to meet its business need
 * Experience with requirements management/analysis/allocations, * Bachelor's degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university and 5 years of experience with Bachelor's degree, 3 years of experience with Master's degree, 1 year with a PhD, * Bachelor's degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university and 8 Years of related experience; 6 Years with Masters; 4 Years with PhD, * Experience with SysML, UML, or other modeling languages
 * Experience using tools to model large systems with multiple developers
 * Experience in Software and/or Hardware design
 * Experience in documenting Interface Control Documents, Interface Requirement Specifications, and Interface Description Documents

## Description

* Collaborate with program IPT counterparts to develop supporting systems engineering and design artifacts
 * Work with both technical teams and stakeholders to develop and mature architecture content of large programs design
 * Help develop and incorporate the appropriate requirements for the system and ensure that they are properly represented in the model
 * Develop systems architecture using Cameo Enterprise Architecture (behavioral, structural, analytical)
 * Contribute to system requirements development, management, and analysis
 * Develop unifying model techniques, procedures, and processes (for model development, tool integration, and team integration)


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