> Markdown version of [/jobs/ext/3675345-systems-engineer-level-3-4](https://www.wearedevelopers.com/jobs/ext/3675345-systems-engineer-level-3-4). 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). --- # Systems Engineer (Level 3/4) - **Company:** Northrop Grumman - **Location:** El Segundo, CA, United States - **Experience:** Expert - **Salary:** $114,000.0 - $171,000.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, SAP (Applications), Verification and Validation (Software), Systems Integration, SC Clearance - **Published:** October 10, 2026 - **Apply:** https://dejobs.org/x/x/518690F6AAD841059F63FB3822CA76BF/job/ ## About the Role Applicable at a Principal Engineer Level (level 3): * Must have a Bachelors degree in a STEM field and at least 5 years of relevant military / professional experience, OR a Master's Degree in a STEM field and at least 3 years of relevant military / professional experience, OR a PhD and at least 1 year of relevant military / professional / academic experience. Applicable at a Senior Principal Engineer Level (level 4): * Must have a Bachelors degree in a STEM field and at least 8 years of relevant military / professional experience, OR a Master's Degree in a STEM field and at least 6 years of relevant military / professional experience, OR a PhD and at least 4 years of relevant military / professional experience. Applicable at Both Levels: * Must have the ability to obtain or maintain a U.S. Government Secret or higher clearance (with a background investigation completed within the last 6 years or currently enrolled into Continuous Evaluation). * Must have the ability to obtain and maintain Special Access Program (SAP) clearance within a reasonable amount of time as determined by business needs., * An active U.S. government Secret clearance or higher (with background investigation completed within the last 6 years or currently enrolled into Continuous Evaluation). * Knowledge of DOORS for requirement management. * Demonstrated communication and technical writing skills. * Proven ability to brief technical presentations to stakeholders. * Experience with requirement verification. ## Description Northrop Grumman Aeronautics Systems has opportunities for a Systems Engineer (Principal or Senior Principal Engineer Level) to join our team in El Segundo, CA. * Performs technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems. * Analyses are performed at all levels of total system product to include: concept, design, fabrication, test, installation, operation, maintenance and disposal. * Ensures the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints. * Performs functional analysis, timeline analysis, detailed trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications. This role may be filled at either an Engineer (Level 3) or Principal Engineer (Level 4) level.