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.
• 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.
• 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.