Peter John


Materials Test Laboratory Engineer

Philadelphia, PA
Peter John
Materials Test Laboratory Engineer – Greene, Tweed and Company

(609) 602-7429
Philadelphia, PA 19122

Materials Test Laboratory Engineer Greene, Tweed and Company
August 2013 to Present
Successfully implemented a LMS system to overhaul the lab documentation

Supervised experimental testing for diagnosis of field failures

Supported global production by overseeing testing for material qualification and overall quality control

Investigated and corrected many internal audit findings for process improvements ensuring ISO 17025 compliance

Reviewed and wrote testing procedures to establish ASTM testing methods

Implemented and validated new test methods for product development

Led continuous improvement project using Lean Six Sigma methods for $200,000 in savings

Material test knowledge in plastics, elastomers and composites

Experience working under strict aerospace regulations within an ISO 9100 company

Rotational Engineer Greene, Tweed and Company
January 2011 to August 2013
Designed critical aerospace structures optimized for weight savings

Simulated stress response of composite structures using hand-calculations and FEA software for proof of design

Assisted in creating and implementing test matrices, as well as designed test fixtures for specific product

Read and drew technical engineering drawings using ASME Y14.5 GD&T standard for critical aerospace

Implemented inspection plans for FAI using a variety of inspection tools

Analyzed inspection data for control charting, capability/gage R&R studies and Go, No-Go fixture feasibility

Performed statistical analysis of manufacturing data to making decisions using various tests, such as ANOVA

Participated in tooling and fixture design for production purposes

Master of Science Applied Mathematics University of Washington

March 2011 to December 2014

Bachelor of Science Mechanical Engineering University of Delaware

September 2004 to June 2008

Microsoft Office

Solid Modeling (SolidWorks, CATIA V5)

FEA (SolidWorks Simulation, ABAQUS)

Programming Languages (Fortran, Python, MATLAB, VBA, SQL)

Lean Six Sigma (DMAIC, FMEA, Lean Mapping, Hypothesis Testing, DOE, Minitab)

Materials Testing (Viscometry, TGA, DSC, TMA, Tensile Testing, FTIR, Optical and SEM Microscopy)




  • Updated 7 years ago

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