> Markdown version of [/jobs/ext/239722-sr-principal-engineer-systems-architect-pt-or-ft](https://www.wearedevelopers.com/jobs/ext/239722-sr-principal-engineer-systems-architect-pt-or-ft). 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). --- # Sr Principal Engineer Systems Architect (PT or FT) - **Company:** Northrop Grumman - **Location:** Plymouth, MN, United States - **Experience:** Expert - **Salary:** $131,100.0 - $196,700.0 - **Contract:** Permanent contract - **Skills:** Microsoft Word, Microsoft Excel, Artificial Intelligence, Systems Engineering, Confluence, JIRA, Data Visualization, Language Modeling, Microsoft PowerPoint, Systems Development Life Cycle, Systems Modeling Language, Systems Architecture, Software Verification, Bitbucket, Data Management - **Published:** May 19, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=1a5b686f2f107297 ## About the Role * Bachelor's degree in engineering or STEM field of study plus 8 years of Model-Based Systems Engineering experience, or Systems Architecture Experience. Or master's degree plus 6 years of experience. * Proficient in Microsoft Office applications (Word, Excel, PowerPoint) * Must be a U.S. Citizen * Ability to obtain a DOD security clearance to a level of Secret. * Experience with product lifecycle management (PLM) and data management tools * Experience with Cameo System Modeler or Cameo Enterprise Architect * Experience with Model-Based Systems Engineering * Experience with Systems Modeling Language (SysML) * Experience with the Unified Architecture Framework (UAF), * Experience with Lifecycle Modeling * Experience with MOSA/WOSA * Experience using Bitbucket, Confluence, and Jira * Experience with Siemens Product Lifecycle Management (PLM) Tools * Experience with Artificial Intelligence and/or Data Visualization * Experience in the aerospace and defense or healthcare industries * Certified Systems Engineering Professional * Certified in a Systems Engineering Modeling Language ## Description The Systems Architect function is at the forefront of program strategy creating, updating, and maintaining systems architecture throughout the lifecycle program., The System Design organization seeks a Systems Architect that will be responsible for supporting Armament Systems Development and Architecture efforts through the following responsibilities using a Model-Based Systems Engineering approach: * System Architecture Design: Drive the design and development of system architecture * Capability Definition: Define key capabilities and performance requirements needed for the system of interest * Technology Constraints: Establish design and technology maturity constraints that align with customer specifications to ensure feasibility and reliability. * External Interfaces: Develop a comprehensive definition of the system's external interfaces to facilitate integration with other systems. * Implementation Approach: Outline the system implementation approach and operational concept, considering usability and effectiveness. * Requirements Verification: Collaborate with systems engineers to ensure that all requirements are met and evaluate system performance in collaboration with customers. This role is crucial for ensuring that armament systems are designed to meet technical specifications and function effectively in operational environments. ## Related Videos - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [Improving Developer Happiness with GitOps](https://www.wearedevelopers.com/videos/54-improving-developer-happiness-with-gitops) - [42 x 2 Canvases Later: Two Years, Two Minds, Many Lessons](https://www.wearedevelopers.com/videos/1458-42-x-2-canvases-later-two-years-two-minds-many-lessons) - [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) - [A Founder's Journey : From Startup Chaos to Purposeful Growth](https://www.wearedevelopers.com/videos/1926-a-founder-s-journey-from-startup-chaos-to-purposeful-growth) - [Integrate your Cognitive Assistant with 3rd-party DBs and software](https://www.wearedevelopers.com/videos/249-integrate-your-cognitive-assistant-with-3rd-party-dbs-and-software) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Everything a Developer Needs to Know About MCP with Neo4j](https://www.wearedevelopers.com/magazine/604-everything-a-developer-needs-to-know-about-mcp-with-neo4j) - [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) - [How Much Does a Software Engineer Make? Realistic Software Engineering Salaries](https://www.wearedevelopers.com/magazine/425-how-much-does-a-software-engineer-make-realistic-software-engineering-salaries) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023)