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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Systems Engineer / Sr. Principal Systems Engineer - **Company:** Northrop Grumman - **Location:** Melbourne, FL, United States - **Experience:** Expert - **Salary:** $98,400.0 - $147,600.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Systems Engineering, Configuration Management, Integrated Development Environments, Rhapsody, Systems Modeling Language, Systems Architecture, MagicDraw, SC Clearance, DODAF - **Published:** September 23, 2026 - **Apply:** https://www.disabledperson.com/jobs/75398923-principal-systems-engineer-sr-principal-systems-engineer ## About the Role * Principal Systems Architect Engineer: Bachelor of science degree in a Science, Technology, Engineering or Mathematics (STEM) discipline with 5 years of related experience OR Master of science Degree in a STEM discipline with 3 years of related experience OR a PhD in a STEM discipline with 1 year of related experience. * Senior Principal Systems Architect Engineer: Bachelor of science degree in a Science, Technology, Engineering, or Math (STEM) discipline with 8 years of related experience OR Master of Science degree in a STEM discipline with 6 years of related experience or a PhD in a STEM discipline and 4 years of related experience * Your ability to transfer and maintain the final adjudicated U.S. government Secret clearance (must be in-scope or enrolled in Continuous Evaluation) and any program access(es) required for the position within a reasonable period of time, as determined by the Company., * Degree in Aerospace Engineering, Mechanical Engineering or Systems Engineering, with experience using Model Based Systems Engineering * Foundation in Model Based Systems Engineering and Architecture Development * Applied knowledge of aircraft design * Experience in the military aerospace development environment is preferred. * Experience with Cameo Magic Draw or another MBSE tool such as Rhapsody, Sparx EA, and Enterprise Architect. * Experienced developing various DODAF view artifacts, especially Operational and functional viewpoints, using MBSE tools like CAMEO. * Experience with Agile workflows * Knowledge of configuration management of model-based architecture baselines * Demonstrated communication and technical writing skills. * Proven ability to brief technical presentations to both internal and external stakeholders ## Description As an Systems Architect Engineer the candidate will develop system architectures, and define key capabilities and performance requirements. The individual will define design and technology maturity constraints of the system in accordance with customer specifications, develop thorough definition of system external interfaces and define system implementation approach and operational concept. The candidate will ensure requirements are met and evaluate performance with customer. This individual will be part of the Longshot team. The successful candidate will have the ability to analyze architectures and develop various DODAF or SysML Viewpoints in support of this effort., * Define system architectures * Architecture, CONOPS, and use case development using model-based systems engineering methodologies * Perform functional analysis, timeline analysis, detail trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications. * Execution of trade studies to select from among multiple potential solutions * Perform Systems Requirements analysis * Management of requirements, include decomposition, allocation, verification, and validation * Foundation in Model Based Systems Engineering and Architecture Development * Communicate effectively and clearly present technical approaches and findings at technical and program reviews and boards. * Apply extensive technical expertise in the development of technical solutions to complex problems which require the regular use of ingenuity and creativity. ## Related Videos - [Model Based Systems Engineering in an Agile Product Development Process](https://www.wearedevelopers.com/videos/68-model-based-systems-engineering-in-an-agile-product-development-process) - [Why Your Best Mediors Never Become Seniors (And How to Fix It)](https://www.wearedevelopers.com/videos/2108-why-your-best-mediors-never-become-seniors-and-how-to-fix-it) - [Crew Management System for Airlines: Plan duties for pilots & flight attendants worldwide](https://www.wearedevelopers.com/videos/1444-crew-management-system-for-airlines-plan-duties-for-pilots-flight-attendants-worldwide) ## Related Articles - [What Jobs Can You Get with a Software Engineering Degree?](https://www.wearedevelopers.com/magazine/398-what-jobs-can-you-get-with-a-software-engineering-degree) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [The Ultimate Software Engineer Career Path Guide for 2023](https://www.wearedevelopers.com/magazine/146-the-ultimate-software-engineer-career-path-guide-for-2023) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)