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Sr Principal Engineer Aeronautical - Performance and Sizing

Ngc Open
United States-California-Redondo Beach Full-time Senior Engineering Leadership

At a glance

Senior Engineering Leadership role at Ngc. United States-California-Redondo Beach · full-time · $142,200–$213,400 base.

SalaryStated by Ngc
$142,200 – $213,400
Base salary for this role, in USD per year, as published in the posting.
RoleEngineering Leadership
SenioritySenior
LocationUnited States-California-Redondo Beach
EmploymentFull-time
Base pay$142,200–$213,400
PostedOct 26, 2026
Role brief

techroles summary, based on the employer's posting.

What you'll do

  • Run early design studies and analyses for advanced crewed and uncrewed aircraft, drawing on related engineering disciplines
  • Develop practical answers to difficult technical problems, then document your findings and present them
  • Brief external customers and help assess aircraft performance and sizing for government programs
  • Guide design teams toward program goals and contribute to proposals and business development

What you bring

  • A STEM bachelor's plus eight years of related engineering work, a master's plus six years, or a doctorate plus four years
  • Knowledge of aircraft performance, conceptual vehicle sizing and numerical methods, plus familiarity with MIL-STD-3013B
  • At least six years using Python, Matlab, C++, Fortran or Linux
  • An active U.S. government Secret-or-higher clearance at hiring, with eligibility to obtain and retain Special Program Access

Who this fits

This senior technical role suits an engineer who can guide design teams while contributing hands-on aircraft performance and sizing analysis. You must be willing to travel, and the posting lists travel at 25% in its summary and 10% among the basic qualifications. U.S. citizenship is required for positions requiring a government clearance.

From the employer

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: Yes, 25% of the Time

Description

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

Northrop Grumman’s Aeronautics Systems – Research & Advanced Design (R&AD) transforms breakthrough ideas into mission-ready capabilities through intelligent anticipation. We’re the front-end design engine, defining what comes next. From developing cutting-edge next-generation future aircraft to trailblazing collaborative autonomous platforms, we push the boundaries of technology and forge industry-leading partnerships that set new standards for what’s possible.?

Our team owns the full lifecycle of advanced concept creation, from visionary early-stage designs and rapid prototyping to high-impact demonstrations and solving the toughest technical challenges in survivability, autonomy, and battle management. We seek curious, adaptable people who thrive on turning intuition into breakthrough solutions. If you’re driven to invent the future, build what’s next, and shape the landscape of national security, this is where you belong.?


Essential Functions:

o Conduct preliminary design synthesis and analysis of advanced manned and unmanned air vehicles demonstrating technical expertise and knowledge of other related disciplines.

o Develop technical solutions to a wide range of difficult problems in an imaginative, thorough, and practicable manner while also documenting and present results.

o Interact with and brief external customers.

o Support vehicle performance and sizing analysis for vehicle programs from government organizations such as Air Force, Navy, NASA, DARPA and others.

o Support vehicle performance and sizing analysis for vehicle programs from government organizations such as Air Force, Navy, NASA, DARPA and others.

o Provide analysis, guide design teams to execute program goals, support proposal and business development activities.


Basic Qualifications for Engineer:

o Bachelor's degree in a STEM discipline (Science, Technology, Engineering or Math) with 8 years of related engineering experience; OR a Master’s degree in STEM with 6 years of related engineering experience; OR a PhD in STEM with 4 years of related engineering experience.

o Understanding of aircraft performance analysis with general knowledge of related disciplines.

o Understanding of conceptual air vehicle sizing analysis and numerical methods.

o 6+ years of experience with one or more of the following: Python, Matlab, C++, Fortran, Linux

o Familiarity with MIL-STD-3013B

o Ability and willingness to travel 10% of the time.

o A current active in-scope U.S. Government (DoD) Department of Defense issued Secret or higher security clearance is required to start with the ability to obtain and maintain Special Program Access (SAP/PAR).


Preferred Qualifications:

o Three plus (9+) years of experience in Vehicle Performance and Sizing and Flight Sciences engineering disciplines.

o Understanding of fundamental aircraft design, aerodynamic and propulsion parameters

o Must be versatile, applying technical solutions to a wide range of problems in an imaginative, thorough, and practicable manner.

o Experience assessing mission performance, turn performance, kinematic maneuvering, takeoff and landing. Experience in aircraft sizing.

o Experience with conceptual development and sizing of air vehicles around HTEP and LH2 propulsion architectures and integration of the necessary fuel systems for those architectures.

Primary Level Salary Range: $142,200.00 - $213,400.00

The 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.
Opportunity

Engineering Leadership work from LinkedIn, X, Reddit and Upwork, in one list.

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Engineering Leadership$140k+

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Opportunity

Engineering Leadership work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Find me work

By the team behind techroles.