Sr Principal Engineer Propulsion

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE TYPE: SecretTRAVEL: 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.Northrop Grumman Defense Systems, with an office located in Elkton, Maryland is currently seeking an experienced Propulsion Engineer - Structural and Dynamics Analyst to support our Solid Rocket Motor development efforts.
This Northrop Grumman facility in Elkton, Maryland began solid-propellant rocket operations in 1948. Today, the Elkton facility designs, develops, and produces solid-propellant propulsion, air-breathing propulsion and ordnance systems in programs professionally managed for a wide variety of Government and commercial customers. The facility also serves as the hub for offsite engineering and test facilities in Ronkonkoma, NY, Palm Beach Gardens, FL and San Jose, CA.
Responsibilities:

Provide/lead the development of acoustic, shock and vibration environments and loads to support systems and component design, validation testing and structural margin verification, by applying combinations of dynamic test data and analysis

Provide/lead structural dynamic analysis simulation and modeling efforts to support design activities across all Northrop Grumman, Propulsion System and Controls product lines. These simulations include development of structural/dynamic models, gridding, selection of boundary conditions and constraints, selection of applicable material properties, selection of appropriate simulation code and methodology, and performing model validation

Key responsibilities for this position include taking a lead role in developing analysis methodologies, interpretation of test and analytical results, and recommendation for design improvement

Preparation of technical reports and presentations of work product to both internal and external customers

Provide system level test support including making technical assessments of test hardware and test data

Lead analytical services in support of failure investigations: developing fault trees, developing approaches, and providing analytical efforts to assess fault causes

Assist project team in design of experiments testing to provide necessary data to validate detailed analyses

Form close working relationships with internal and external customer technical community and specific customer technical points of contact

Develop analytical approaches to assist in the resolution of unique structural issues. Assist in design of test articles to provide necessary data for full scale applications

Basic Qualifications:

Ability to obtain a Secret Clearance which requires US Citizenship as a pre-requisite

Bachelor's Degree in Mechanical/Aerospace Engineering plus eight years of related experience or Master's Degree in Mechanical/Aerospace Engineering plus six years of related experience or PhD in Mechanical/Aerospace Engineering plus four years of related experience.

Significant experience in modeling with FEA software (ABAQUS, NASTRAN, ANSYS, FEMAP, Wave6 or equivalent)

Programming skills in Matlab, Simulink or Python

Experience with shock and vibration testing and analysis

Demonstrated ability to prepare and present analytical results in both oral and written formats

Excellent interpersonal, communication, writing, presentation, and critical thinking skills

Comfortable in team and lead roles

Working knowledge of Microsoft Office suite (Excel, Word, Power Point)

Preferred Qualifications:

Current Active Security Clearance

Prior experience in solid rocket motor design and analysis

Experience using NX solid modeling software

Strong experience developing Matlab scripts to process dynamic data

Experience performing structural dynamics analysis on flight vehicles