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# Sentinel - LEN - Principal / Sr Principal Systems Engineer - 143

- **Company:** Northrop Grumman
- **Location:** Vandenberg Air Force Base, CA, United States
- **Experience:** Expert
- **Salary:** $98,400.0 - $147,600.0
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, JIRA, Programming Tools, Microsoft Office, Language Modeling, SAP (Applications), Scaled Agile Framework, Software Engineering, Verification and Validation (Software), Systems Modeling Language, Systems Architecture, Synthesizing Data
- **Published:** July 10, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9023513/sentinel-len-principal-sr-principal-systems-engineer-143

## About the Role

* Must be a US Citizen with an 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 needs
 * Experience with Systems Engineering Principles or understanding of the Systems Engineering V
 * Understanding of functional requirement development, requirements analysis, functional analysis, trades, and architecture definition

 * Bachelor's degree in a STEM (Science, Technology, Engineering or Mathematics) discipline with a minimum 5 years of related experience; 3 years with a Master's; or 1 years with a PhD
 * 2 years of experience with DOORS or CAMEO

 * Bachelor's degree in a STEM (Science, Technology, Engineering or Mathematics) discipline with a minimum 8 years of related experience; 6 years with a Master's; or 4 years with a PhD
 * 4 years of experience with DOORS or CAMEO

 * Degree in Aerospace Engineering, Systems Engineering, Mechanical Engineering, Software Engineering, or similar
 * ICBM Experience
 * Experience soliciting input from internal and external stakeholders, synthesizing data, and communicating complex results to technical and non-technical stakeholders at various levels
 * Familiarity with Agile engineering and Jira
 * Advanced use of standard Microsoft Office products to include development tools
 * Experience with modern (Model Based System Engineering) MBSE principles and SysML Modeling Language
 * Active Top Secret security clearance with adjudication in the last 6 years

## Description

Support the development and deployment of the Sentinel Test Network to support flight testing at Vandenberg Space Force Base.

 * System architecture and requirements development
 * Assist in engineering network solutions for new & existing systems
 * System performance assessment, requirements analysis, verification and validation, design, development, and integration
 * Create technical reports and present metric reports
 * Interface with internal and external customers

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


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