Northrop Grumman Defense Systems is seeking an experienced Sr. Principal Aeronautical Engineer Level 4. This position will be located at our Advanced Weapons Business Unit in Woodland Hills, CA. This role is onsite and follows a 9/80 schedule. Hybrid and remote work are not allowed. A Government issued Secret clearance is required to start.
We are excited for you to join our team of qualified and diverse individuals. Our domain provides rewarding work that contributes to the latest advancements being made in the missile defense industry.
Job Responsibilities:
- Design of primary and secondary missile structures, parts and assemblies, including 3D CAD modeling; 2D drawing preparation, review, revision, and release; selection of components and materials; conduct and support trade studies.
- Employ GD&T and Model Based Engineering (MBE) methods in support of Digital Transformation
- Communicate with suppliers and customers to exchange technical information.
- Coordinate with supply chain regarding design changes, cost reductions, process improvements, and changing suppliers
- Coordinate with manufacturing regarding design and process improvements, and fixture requirements
- Collaborate with other functional areas on various aspects of product design/documentation, including procurement, production, logistics and configuration management
- Hands-on troubleshooting, inspection, and assembly of parts/subsystems in support of prototyping, production and test
- Perform tolerance stack up analysis and author reports documenting them
- Collaborate with analysis teams who are responsible for generating mass properties, structural, thermal and materials/processes reports
- Create and deliver engineering briefings or reports to support design review activities
- Track & report task status
- Assist team to develop/document best practices and mentor less experienced engineers
- Create and maintain design history files and track design defects, assign priority/severity, ensure design owner assigned, and report on status.
- Resolve NCs and guide team members on NC resolution
Basic Qualifications Sr. Principal Aeronautical Engineer:
- Bachelor of Science (BS) degree in a relevant STEM (Science, Technology, Engineering or Mathematics) discipline and 8 years of related engineering experience; OR Master of Science (MS) degree in a relevant STEM discipline and 6 years of related engineering experience; OR a PhD in a STEM discipline and 4 years of related engineering experience.
- Experience resolving NCs, creating drawings in accordance with ANSI Y14.5 (GD&T) standards and generating tolerance stack up analysis
- Experience with the packaging of electronic assemblies
- Experience with design for manufacturing and assembly (DFMA)
- Experience with the design and installation of primary and secondary air vehicle parts/components and assemblies
- Knowledge of environmental testing and hardware performance validation, including structural and thermal analysis
- Active Government Secret Clearance / and ability to acquire a Special Access Program (SAP)
Preferred Qualifications:
- Degree in Aerospace or Mechanical Engineering
- Proficient in Creo (modeling and drawing)
- Proficient in Teamcenter (PDM)
- Experience working in or providing engineering support to manufacturing and test/evaluation, particularly for DoD projects
- Experience working in a Scrum, Agile, or Kanban product-development environment
- Experience designing for MIL-STD-810 testing requirements
- Experience creating and documenting design for cost (DFC) trade studies
- Experience creating 3D parametric models using any industry-standard 3D CAD package such as Creo
- Experience using any industry-standard Product Lifecycle Management systems such as TeamCenter
- Experience with designing for EMI sensitive environments
Living in Woodland Hills offers a perfect combination of urban living with the beauty of nature. It is a short drive away from downtown Los Angeles, the Hollywood Hills, or the rest of the San Fernando Valley.
Primary Level Salary Range: $142,200.00 - $213,400.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.Skills Required
- Bachelor of Science degree in a relevant STEM discipline and 8 years of related engineering experience, or Master of Science degree and 6 years of experience, or PhD and 4 years of experience.
- Experience resolving nonconformances, creating drawings according to ANSI Y14.5 GD&T standards, and performing tolerance stack-up analysis.
- Experience packaging electronic assemblies.
- Experience with design for manufacturing and assembly (DFMA).
- Experience designing and installing primary and secondary air vehicle parts, components, and assemblies.
- Knowledge of environmental testing and hardware performance validation, including structural and thermal analysis.
- Active government Secret clearance and ability to acquire a Special Access Program (SAP) clearance.
- Degree in Aerospace or Mechanical Engineering.
- Proficiency in Creo for modeling and drawing.
- Proficiency in Teamcenter product data management.
- Experience supporting manufacturing and test/evaluation, particularly on Department of Defense projects.
- Experience working in Scrum, Agile, or Kanban product-development environments.
- Experience designing for MIL-STD-810 testing requirements.
- Experience creating and documenting design-for-cost trade studies.
- Experience creating 3D parametric models using an industry-standard 3D CAD package.
- Experience using an industry-standard Product Lifecycle Management system such as Teamcenter.
- Experience designing for EMI-sensitive environments.
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.

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