Principal or Sr. Principal Mass Properties Engineer

Company: Northrop Grumman
Location: Melbourne
Posted on: April 1, 2026

Job Description:

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Interim Top Secret TRAVEL: Yes, 10% 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. Please note that this opportunity is contingent on program funding. Start dates are determined after funding confirmation. Northrop Grumman Aeronautics Systems sector is hiring a Principal or Sr. Principal Mass Properties Enginee r to join our Vehicle Engineering team of qualified, diverse individuals in Melbourne, Florida. This position performs mass properties functional analysis, timeline analysis, detail trade studies, and mass properties requirements allocation studies to translate customer, product or derived mass properties requirements into hardware and software specification requirements. This person will be analyzing, researching, and testing hardware and conditions for optimal mass properties system solutions. Tools utilized may include solid modeling tools, database tools and standard office applications.This individual will contribute to the Mass Properties team supporting the achievement of program requirements. Specific responsibilities may include, but are not limited to: Supporting the implementation of a Mass Properties Management and Control Program Accurate estimating and optimizing of mass properties to achieve vehicle performance and fulfill weight based program metrics Establishing specification and design target weights Support the maintenance of the Mass Properties accounting and reporting systems to inform the customer and management of current and projected mass properties trends Providing mass properties data for cost analyses and vehicle design and analysis Evaluating subcontractor proposals, interacting with and overseeing subcontractor mass properties management and control Reviewing drawings to achieve mass properties management and control Measuring/weighing vehicle and/or components to increase vehicle weight estimate accuracy Providing mass properties data in support of operational flight manual This position can be filled at either a Principal or Senior Principal level. Basic Qualifications Principal: Bachelor of Science (BS) in a Science, Technology, Engineering, or Mathematics (STEM) discipline and 5 years of relevant engineering experience; OR Master of Science (MS) in a STEM discipline and 3 years of relevant engineering experience Sr. Principal: Bachelor of Science (BS) in a Science, Technology, Engineering, or Mathematics (STEM) discipline and 8 years of relevant engineering experience; OR Master of Science (MS) in a STEM discipline and 6 years of relevant experience Must have an active DoD Top Secret or higher clearance (with a background investigation completed within the last 6 years or currently enrolled into Continuous Evaluation) Experience with mass property and weight and balance analysis Candidate must be familiar with Society of Allied Weight Engineers RP 7 & 8 Must have an active DoD Top Secret or higher clearance (with a background investigation completed within the last 6 years or currently enrolled into Continuous Evaluation) Preferred Qualifications Aircraft Weight and Balance Certification Automated Weight and Balance System (AWBS) experience Experience in vehicle design and manufacturing techniques Siemens NX or CATIA proficiency Familiarity with electrical harness weight estimation and calculation Familiarity with a Common Product Lifecycle Management system such as SmarTeam or Teamcenter Primary Level Salary Range: $0.00 - $0.00 Secondary Level Salary Range: $0.00 - $0.00 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.

Keywords: Northrop Grumman, Kissimmee , Principal or Sr. Principal Mass Properties Engineer, Engineering , Melbourne, Florida