> Markdown version of [/jobs/ext/3413971-sr-principal-engineer-tool](https://www.wearedevelopers.com/jobs/ext/3413971-sr-principal-engineer-tool). 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 Tool - **Company:** Northrop Grumman - **Location:** Layton, UT, United States - **Experience:** Expert - **Salary:** $111,700.0 - $167,500.0 - **Contract:** Permanent contract - **Skills:** 3d Models, Computer-Aided Design, Adobe InDesign, Solid Modeling - **Published:** September 3, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9140628/sr-principal-engineer-tool ## About the Role * Bachelors in STEM (Science, Technology, Engineering or Math) with 8 years of experience in the following engineering fields; Mechanical, Design, Tooling, Manufacturing, Die, Product, Mechanical or similar OR Masters in STEM with 6 years of experience in mentioned fields OR PhD In STEM field with 4 years of experience. * P.E. Certification in Structural or Machine Design and Materials * Structural Analysis experience (FEA and hand calculations) * Experience in design, fabrication and implementation of tooling used in the manufacture of composite and metallic parts * Ability to obtain and maintain a DoD Clearance per company and or business needs * Ability to obtain and maintain Special Program Access per company and or business needs * Experience with Solid modeling (NX Preferred) * Experience with manufacturing processes * Experience written and oral communication skills * Experience with 2D drawing preparation and analysis * Experience with GD&T practice and implementation * Experiencing leading larger scale projects with minimal to no supervision, working with autonomy., * Active U.S. Government Clearance * Active Special Program Access (PAR) * Knowledgeable and demonstrated experience with NX modeling * Experience in Mechanical Design and Assembly * Experience with managing small to medium size design projects * Familiarity with OSHA specs for design safety * Knowledgeable and demonstrated experience with NX modeling * Experience with managing small to medium size design projects ## Description Northrop Grumman is seeking a Sr. Principal Tooling Design Engineer Level 4. This individual will be responsible for providing designs for industrial machinery and equipment, tools, dies, gauges, jigs, fixtures, and machine attachments required for production or experimental use, considering such factors as accessibility, economy, mobility, and performance requirements., * Create 3D models and 2D drawings to be used in the manufacturing of new tooling in support of various programs. * Create effective and safe designs that are used to manufacture, test, qualify, and transport product. * Schedule and run 30/60/90% Design Reviews to ensure customer satisfaction throughout the design cycle. * Work with internal Customers to conceptualize and design support equipment for new and existing programs. * Work closely with other Tool Engineering functions to provide designs on time and within budget. * Understand and monitor budget and schedule for own tasks. * Review Engineering drawings and designs for manufacturability. * Analyze moderate to complex tool designs using FEA and hand calculations * Review, sign, and seal safety critical tool designs ## Related Videos - [Sustainable Angular Architectures with Nx and Strategic Design](https://www.wearedevelopers.com/videos/5-sustainable-angular-architectures-with-nx-and-strategic-design) - [TresJS a new declarative ThreeJS as Vue components](https://www.wearedevelopers.com/videos/543-tresjs-a-new-declarative-threejs-as-vue-components) - [Opening Keynote by Sir Tim Berners-Lee](https://www.wearedevelopers.com/videos/594-opening-keynote-by-sir-tim-berners-lee) - [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) - [Cross platform Augmented Reality development with React Native](https://www.wearedevelopers.com/videos/160-cross-platform-augmented-reality-development-with-react-native) - [Supercharge your cloud-native applications with Generative AI](https://www.wearedevelopers.com/videos/950-supercharge-your-cloud-native-applications-with-generative-ai) ## Related Articles - [Top Characteristics of a Software Engineer](https://www.wearedevelopers.com/magazine/166-top-characteristics-of-a-software-engineer) - [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) - [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) - [The Prompt Engineer ✍️](https://www.wearedevelopers.com/magazine/216-the-prompt-engineer) - [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) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk)