Stefan Arroyo-Cottier Email & Phone Number

Waterloo, On, Ca

Waterloo, Ontario, Canada

• Leading a team of 10+ members for the design of the recovery subsystem for the annual Launch Canada competition with a focus on design verification and reliability• Designed the recovery electronics bay to increase electronics accessibility by implementing and validating a novel board fastening system resulting in 50% decreased board swap times and 30% fewer components• Developed the third iteration of the tank heating infrastructure by designing a self-contained water heating loop which regulates the temperature of the NOS oxidiser tank while at sub-zero conditions• Currently developing a prototype disk-gap-band parachute to reduce opening shock by approximately 30% through the introduction of an advanced canopy design

Cambridge, Ontario, Canada

• Owned the design of four automated assembly stations; performed pneumatic sizing, sensor selection, tolerance stack up analysis; maintained design for manufacturing and design for assembly as primary goals throughout the project• Developed end of arm tooling for a vacuum pick and place of an injection molded part using SLA printing to prototype potential designs resulting in a customer approval• Detailed and released station drawings in Upchain PLM by applying GD&T and functional dimensioning to effectively communicate design intent and assembly requirements• Conducted multiple design reviews of other engineers' designs to ensure design principles are being followed and customer specifications are being met

Brantford, Ontario, Canada

• Iterated on cast electrical transmission hardware using 3D printing, SolidWorks and FEA to improve product assembly and meet customer specifications; created drawings for manufacturing• Performed root cause analysis on a problem product using an Ishikawa diagram to identify the source of weld defects and drive prototyping resulting in a design and tooling change• Created detailed documentation for new products using customer and internal specifications for customer approval • Developed 3D models and drawings of complex cast and forged parts using SolidWorks for the fabrication of dies and production tooling

North York, Ontario, Canada

• Spearheaded a multidisciplinary team to improve the throughput of two foam applicators by conducting cycle time analysis to identify and eliminate system bottlenecks, leading to yearly savings of $30,000 and a reduced cycle time of 13%• Planned and led the relocation of a production line to improve worker safety through layout design while maintaining 100% shipping capacity• Improved a projection welder's fixture by designing guides to facilitate part loading resulting in 50% decreased operator loading time and yearly savings of $5,000• Drove multiple continuous improvement projects to completion through the implementation of Gantt charts and action matrices

Brampton, Ontario, Canada

• Designed the tail mount for a material handling conveyor using SolidWorks to increase access to material bins by 40% during a planned line shutdown• Created and sent technical drawings to suppliers using AutoCAD to replace worn and undocumented parts• Programmed a Work Order printing script using Python and Selenium to reduce time spent printing Work Orders by 75% • Planned and scheduled Work Orders for millwrights utilizing InforEAM to resolve preventive and corrective Work Orders

• Bolstered 30+ students’ learning and comprehension by aiding in various assignments and tasks• Supported students’ integration into a virtual learning environment using Google Suite• Employed motivational and time management skills to prepare and present lessons, leading to increased student understanding in a collaborative team setting

Bachelor Of Applied Science - Basc, Mechanical Engineering

High School Diploma, 12

Ontario Secondary School Diploma, 12

Activities and Societies: DECA Business Club, School of A.I., National Honors Society, C.A.T. Crew Member- Ontario Scholar - Top Marks.