Northrop Grumman Aeronautics Systems has an opening for a Principal or Senior Principal level Systems Engineer to join our team of qualified, diverse individuals within our Systems Engineering organization. This role may be located in Rancho Bernardo, CA, or El Segundo, CA.
This team is part of the Research and Advanced Development division working on exciting new next generation technologies. In this role, you will have the ability to shape multiple efforts to bring systems engineering rigor and traceability.
You will be an individual contributor who acts as the bridge between customer vision and a deliverable product, driving the entire requirements lifecycle from initial concept to verification. You'll develop, manage, and trace system requirements, translating CONOPS and customer needs into detailed specifications and allocating them to lower level subsystems.
The engineer leads interface definition, ensures proper decomposition and allocation of requirements, and creates verification and validation plans that guarantee each requirement is met. You'll support subsystem integration and testing activities, preparing engineering artifacts for key program reviews such as SRR, SFR, PDR, CDR, SVR, and TRR. Acting as a central communication hub, they coordinate with program managers, project leads, and subsystem teams to maintain alignment across the project and ensure that all requirements are documented, verified, and validated throughout the development process.
Responsibilities:
- Support system requirements development, management, analysis, and traceability, to translate customer requirements and CONOPS into systems requirements, and further allocate to lower-level requirements.
- Perform requirements development, allocation, verification/validation planning and manage interface definition efforts.
- Support system/subsystems integration, test, and requirements verification activities.
- Support the preparation of system engineering materials during System Requirements Review, System Functional Review, Preliminary Design Review, Critical Design Review, System Verification Review, Test Readiness Review, and other program reviews as needed.
- Support interface/communication with program, functional and subsystem leads
- Management of requirements, include decomposition, allocation, verification, and validation
This role can be filled at either the Principal or Senior Principal level based on the requirements below.
Basic Qualifications:
At a Principal Level:
- Must have a Bachelors of Science 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
At a Senior Principal Level:
- Must have a Bachelors of Science 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
And at Both Levels:
- Must have an active US 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 the company.
- Must have experience in systems engineering tools, such as DOORS, CAMEO.
- Must have experience in aerospace/defense level avionics and unmanned aerial systems
Preferred Qualifications:
- A current active or ability to obtain an DoD Top Secret clearance
- Experience in Model-Based Systems Engineering approach.
- Experience in integrating complex system across multiple domains
- Experience demonstrating concepts to management and customers
- Proficient with configuration management tools to maintain traceability of systems engineering artifacts
Skills Required
- Bachelor's degree in a STEM field with at least 5 years relevant experience (Principal level) OR Master's with 3 years OR PhD with 1 year
- Bachelor's degree in a STEM field with at least 8 years relevant experience (Senior Principal level) OR Master's with 6 years OR PhD with 4 years
- Active US Government Secret or higher clearance (background investigation within last 6 years or currently enrolled into Continuous Evaluation)
- Ability to obtain and maintain Special Access Program (SAP) clearance
- Experience with systems engineering tools such as DOORS and CAMEO
- Experience in aerospace/defense avionics and unmanned aerial systems
- Current active or ability to obtain a DoD Top Secret clearance
- Experience in Model-Based Systems Engineering (MBSE) approach
- Experience integrating complex systems across multiple domains
- Experience demonstrating concepts to management and customers
- Proficiency with configuration management tools to maintain traceability of systems engineering artifacts
Northrop Grumman Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Northrop Grumman and has not been reviewed or approved by Northrop Grumman.
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Retirement Support — 401(k) matching is considered strong, with additional defined-benefit coverage for certain cohorts and options like catch-up contributions. Retirement programs are repeatedly highlighted as a core strength of the total rewards.
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Leave & Time Off Breadth — PTO, company-paid holidays, and compressed work schedules (such as 9/80) provide meaningful time away and flexibility. These scheduling options are cited as a major quality-of-life benefit across many locations.
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Parental & Family Support — Paid parental leave alongside caregiver leave, adoption assistance, and back-up care supports a range of family needs. These programs have been expanded recently, signaling continued investment in family support.
Northrop Grumman Insights
What We Do
We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation and respect. Your unique perspective will help achieve our shared vision for the future of global security. Every step of the way, you'll be supported by world-class training, employee resource groups and a comprehensive benefits package that enables greater health and happiness for you and your family. Worldwide and across disciplines, we’re challenging what’s possible for technology to protect people and places from undersea to outer space and into cyberspace. And we see the impact of our performance every day. We are Northrop Grumman, and we work on what matters—now, you too can make a difference. Explore opportunities in engineering, IT, manufacturing, business management, cybersecurity and more with us. Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer.





