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Northrop Grumman · 1 month ago

Sr Principal Engineer Propulsion - R10214837

Elkton, MD

Full-time

Onsite

Senior Level, Lead/Staff

$136K/yr - $204K/yr

6+ years exp

Northrop Grumman is a leader in technological advancements and is seeking an experienced Propulsion Engineer to support their Solid Rocket Motor development efforts. The role involves leading dynamic analysis simulation and modeling, preparing technical reports, and providing system-level test support.

AerospaceData IntegrationManufacturingRemote SensingSecurity

Growth Opportunities

No H1B

Security Clearance Required

U.S. Citizen Only

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

Qualification

FEA software modelingShockVibration analysisStructural dynamics analysisMatlab programmingSolid rocket motor designNX solid modelingMicrosoft Office proficiencyTechnical report preparationInterpersonal skillsCritical thinkingTeam collaboration

Required

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

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

Applicable experience in performing analysis incorporating isotropic, orthotropic, hyperelastic materials, and measured damping properties in linear and non-linear dynamic analyses

Modal test and model correlation experience

Vibroacoustic analysis experience

Experience with component loads development following aerospace practices

Familiar with SMC-S-016 and/or NASA 7000 series standards

Experience calculating fatigue damage accumulation in response to dynamic environments

Personal poise, demonstrated ability to prepare and present analytical results in both oral and written formats

Critical thinking skills, logical approaches, attention to detail