> Markdown version of [/jobs/ext/3869907-sentinel-systems-principal-systems-engineer-gnc](https://www.wearedevelopers.com/jobs/ext/3869907-sentinel-systems-principal-systems-engineer-gnc). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Sentinel - Systems / Principal Systems Engineer - GNC

- **Company:** Northrop Grumman
- **Location:** Manhattan Beach, CA, United States
- **Salary:** $79,300.0 - $118,900.0
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Network Interface Controllers, Integrated Development Environments, Systems Development Life Cycle, Requirements Management, SAP (Applications), Software Engineering, Software Requirements Analysis, MagicDraw, SC Clearance, Atlassian Tools
- **Published:** October 22, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9260013/sentinel-systems-principal-systems-engineer-gnc

## About the Role

This requisition may be filled at either the Systems Engineer level (T-02) or Principal Systems Engineer level (T-03).

Systems Engineer :

 * Bachelor's degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university and 2 years of experience with Bachelor's degree, 0 years of experience with Master's degree

Principal Systems Engineer :

 * Bachelor's degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university and 5 Years of related experience; 3 Years with Masters; 1 Years with PhD

Required for both levels:

 * Must be a US Citizen with an active U.S. Government 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
 * Must have experience across the systems engineering lifecycle, including Requirements development and decomposition, Requirements management and traceability, Verification & validation planning and execution
 * Must have experience with requirements management tools (e.g., DOORS, or similar)
 * Must have experience preparing and delivering technical presentations to customers or leadership

Preferred Qualifications:

 * Experience with one or more of the following disciplines: Guidance, Navigation, & Control, Electrical Engineering, Software Development, Hardware-Software Interfaces
 * A general understanding of Engineering Board Processes
 * Experience leading projects/assignments
 * Experience with Atlassian tools (Jira and Confluence) or similar
 * Experience with Critical Design Review planning and/or execution
 * Experience working with suppliers/subcontractors including reviewing SOWs and other contractual documents
 * Strong experience reviewing specifications, requirements, and interface documents
 * Understanding of the Systems Engineering V-Model
 * Experience with aerospace development
 * Experience with systems product development
 * Experience modeling with Cameo Enterprise Architecture, MagicDraw (No Magic, Inc.) or other architecture modeling tools
 * Experience in documenting Interface Control Documents, Interface Requirement Specifications, and Interface Description Documents
 * Experience in DoD development environment
 * Experience with ICBM weapon system sustainment engineering and integration
 * Experience with complex system development on large programs
 * Active DoD Top Secret Clearance or ability to obtain
 * Active SAP Clearance or ability to obtain

## Description

* The selected candidate will perform technical planning, system requirement development, requirements verification, and support reviews
 * Responsibilities will include requirements development in DOORS and MBSE development in Cameo in addition to coordination with design, test, and other teams
 * Demonstrate technical skills, organization, be an effective communicator, and problem solver who is able to develop and maintain good working relationships with internal and external stakeholders
 * Demonstrate a commitment to ethics and integrity, and the capability to innovate
 * Ability to operate in a team environment and collaborate across the program as required to accomplish tasks
 * The selected candidate may support Guidance & Control requirements, verification, interfaces, architecture, and/or Major Program Event (MPE) event coordination