> Markdown version of [/jobs/ext/559143-principal-sr-principal-engineer-systems-electromagnetic-env](https://www.wearedevelopers.com/jobs/ext/559143-principal-sr-principal-engineer-systems-electromagnetic-env). 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). --- # Principal / Sr. Principal Engineer Systems - Electromagnetic Env - **Company:** Northrop Grumman - **Location:** Palmdale, CA, United States - **Experience:** Expert - **Salary:** $114,000.0 - $213,400.0 - **Contract:** Permanent contract - **Skills:** Automation of Marketing, Test Scripts, Modeling and Simulation - **Published:** June 14, 2026 - **Apply:** https://www.clearancejobs.com/jobs/8975132/principal-sr-principal-engineer-systems-electromagnetic-env ## About the Role * (Principal) Bachelor's degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline from an accredited university and 5 years of experience OR Master's degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline from an accredited university and 3 years of experience. * (Sr. Principal) Bachelor's degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline from an accredited university and 8 years of experience OR Master's degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline from an accredited university and 6 years of experience. * Active DOD Secret Security Clearance * Ability to obtain and/or maintain special program access before start of employment. * Experience with MIL-STD-464 or MIL-STD-461 * 1 year of experience in RF, Test or design engineering., * A Bachelor's degree in Electrical Engineering, with a specialty in Electromagnetics, RF, or analog circuitry. * Experience with defense and aerospace industry practices, and programmatic skills supporting BOE, RFP, ROM, CAM, WBS, Risk assessments for E3 compliance is a plus for candidates. * Ideal candidates can show extensive design experience with EMI filters, circuit layout and analysis for E3, shielding, lightning protection, cable and harnessing design. * Candidates with working knowledge and experience in modeling and simulation of E3 using commercially available software is a plus. ## Description * All programs have E3 requirements, so an E3 engineer must be capable of writing, interpreting, allocating, tailoring and flowing down E3 requirements to all design levels. * E3 engineers interact across all phases of a program, so strong technical communication skills and a readiness to explain complex technical issues with brevity to an audience unfamiliar with the E3 topic are necessary. * E3 engineers need to present at design reviews to internal and external customers regarding E3 issues. * An E3 engineer must be capable of writing E3 design guidelines, developing models and performing analyses on components, subsystems and systems using EMI principles. * E3 engineers are responsible for designing ground systems, chassis and harness shielding, EMI filters, and selecting and laying out interface circuitry for achieving EMC. * E3 engineers are required to prepare and review E3 test procedures, E3 test reports, E3 technical analyses, E3 control plans, and participate in cross discipline design reviews for EMC. * To verify E3 requirements, E3 engineers need to design E3 test procedures and participate in E3 testing in accordance with governmental and non-governmental standards, for example MIL-STD 461, MIL-STD 464, DO-160. * Experienced E3 engineers at Northrop Grumman must help maintain and build on Aerospace System's reputation for E3 expertise and quality by training and mentoring less experience E3 engineers. * E3 engineers must contribute to the overall knowledge and expertise in E3 engineering capability by developing processes, procedures, documentation, and protocols for the practice of E3 engineering at Northrop Grumman. ## Related Videos - [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) - [Are Classical Automation Frameworks Dead? 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