Andrew O'Sullivan

(314) 740-1607 | |



Experienced mid-level mechanical engineer with technical experience in mechanical design, prototyping, and injection molding. Seeking full time employment in NYC.

Available November 2019.


    Washington University in St. Louis                                   

    Bachelor of Science, Mechanical Engineering - May 2018


   Software:    SolidWorks, Matlab, AutoDesk Inventor, Arduino, Python, G-Code

   Equipment:    3-D printer, injection molding, sand blasting, powder coating, vacuum forming, laser-cutter, lathe, CNC mill, machine shop

   Language:    Minimum Professional Proficiency in French


Objex Design; St. Louis, MO    Nov – Dec 2018

   Mechanical Engineering Intern

  • Designed parts in SolidWorks to be injection molded.

  • Made proof-of-concept 3D printed models.

  • Researched products currently in market, and designed innovative solutions around them

Carr Lane Manufacturing; St. Louis, MO     June – Aug 2017

   Mechanical Engineering Intern

  • Designed a workholding system that Carr Lane now uses to manufacture 24 different products.

  • Designed 200+ acrylic trade show displays for products that will be demonstrated at IMTS.

  • Communicated with machinist to prototype a new product that Carr Lane is looking to patent.

Brady McCasland- Private Chemical Manufacturer; East St. Louis, IL     June – Aug 2016

   Engineering Intern / Project Manager   

  • Changed the company's production process; their product lasts 20% longer.

  • Brady McCasland is filing a patent for my manufacturing invention, naming me inventor.

  • Reduced energy costs due to lighting by $5,000 per year and received $11,000 through Ameren’s Act on Energy program.

  • Led the design of a magnetic separator which will sort through soil to collect an expected 50 million pounds of iron powder.


Washington University in St. Louis, Department of Electrical and Systems Engineering     Aug 2016 – Dec 2017

    Teaching Assistant

  • Served as teaching assistant for ESE 205 Introduction to Engineering Design with an enrollment of 40 students; graded the students at the end of each semester.

  • Taught students the skills they needed to complete their design project; these skills include CAD, 3D printing, programming, prototyping, and circuits.

Undergraduate Research  —  Raspberry Pi Car Project; Xian, China     Aug 2016 – May 2018

    Research Student

  • Placed top 10 in the Silk Roads Robotics Innovations Competition in Xian, China.

  • Designed a miniature four-wheeled autonomous car powered by a Raspberry Pi 3 B+ board that uses optical flow from a single camera to avoid obstacles.

  • Worked in a team of 3 to design a chassis in SolidWorks and 3D printed the parts.

Washington University School of Medicine; St. Louis, MO     June 2014 – Nov 2015

    Radiology Lab Assistant for Yuan-Chuan Tai, Ph.D.

  • Programmed and conducted simulations of a robotic arm in SolidWorks

  • Researched various robotic arms which led to a purchase from KUKA Robotics.

  • Modeled and 3D printed a gripper for the robotic arm to aid in research and functionality.

  • Manufactured specialized “light guide” parts out of acrylic for deflecting gamma rays into the photoreceptors of a micro-insert PET detector using a four-axis milling machine.


Priory School, St. Louis, MO     Dec 2014 – May 2016

   STEM Mentor

  • Instructed a local high school’s First Robotics Team of 30 students; biweekly basis.

Washington University in St. Louis Varsity Cross Country     Aug 2015 – May 2016

    Varsity Student Athlete


Qiang Wang, Jie Wen, Bosky Ravindranath, Andrew W. O’Sullivan, David Catherall, Ke Li, Shouyi Wei, Yuan Chuan Tai; “A compact high resolution flat panel PET detector based on the new 4-side buttable MPPC for biomedical applications” (Submitted to Nuclear Instruments and Methods in Physics Research Section A Journal).