> Markdown version of [/jobs/ext/4257711-sentinel-systems-engineer-principal-systems-engineer-19088-1](https://www.wearedevelopers.com/jobs/ext/4257711-sentinel-systems-engineer-principal-systems-engineer-19088-1). 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 Engineer / Principal Systems Engineer - 19088-1 - **Company:** Northrop Grumman - **Location:** Roy, UT, United States - **Salary:** $79,300.0 - $118,900.0 - **Contract:** Permanent contract - **Skills:** Microsoft Access, Systems Engineering, Computer Programming, MATLAB, Network Architecture, Requirements Management, SAP (Applications), Simulink, Verification and Validation (Software), SQL Databases, Backend, Gitlab, SC Clearance, Low Latency, Atlassian Tools, Software Version Control, Database Tools and Utilities - **Published:** October 7, 2026 - **Apply:** https://dejobs.org/x/x/95806EF3BB4B4F7AA3B1A96503EA1CE4/job/ ## About the Role * T02: Bachelor's degree in a STEM (Science, Technology, Engineering or Mathematics) discipline with a minimum 2 years of related experience; 0 years with a Master's * T03: 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; 1 years with a PhD * 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 currently have and be able to maintain Special Access Program (SAP) upon start date. * Demonstrated experience with mathematical modeling and simulation * Experience with MATLAB, Simulink, or related scientific computer programming tools * Experience with command-and-control system analysis or design * Experience with network architecture and equipment configuration * Knowledge of Systems Engineering principles, * Active U.S. Government Top Secret security clearance at time of application, current and within scope * Experience with database management and/or development (e.g., Front End/Back End development, SQL queries, etc.) in common database tools (e.g., Microsoft Access) * Experience with GitLab or related source control tool * Experience with model verification and validation planning and execution * Experience with Atlassian Tool Suite * Knowledge of DOORS or related requirements management tool * Knowledge of Cameo ## Description As an integral part of the Command Systems SEIT MS&A Operations team on the Sentinel program, you will focus on: * Modeling, Simulation & Analysis for specific aspects of the system such as networking, physical security, and cybersecurity * Perform command-and-control system analysis with a focus on end-to-end latency, including allocating latency budgets across components and networks, and validating that timing requirements are met under nominal and stressed operating conditions. * Perform networking analysis, including characterizing link performance, latency, throughput, jitter, and packet loss between system nodes, and using these results to identify bottlenecks, validate design assumptions, and recommend network architecture or configuration improvements * Develop and manage hardware/software computing resource budgets, including analyzing and optimizing CPU, RAM, storage, and related utilization to ensure system performance and scalability * Support database management and development activities * Support analysis for requirement decomposition and traceability * Support MBSE strategy and implementation * Coordinate with sub-contracted product teams for compliance with contractual SOW and established program model governance * Contribute content for presentations and present to internal and external stakeholders