Stefan Bortnowski Tornatzky Email & Phone Number

North Andover, Massachusetts, United States

Seabrook, New Hampshire, United States

● Responsible for complete mechanical design life-cycle of multiple concurrent RF filters and antenna components with a focus on creative solutions to assembly, manufacturing, and repairability.● Generate detailed parts, assembly designs, and manufacturing drawings using SolidWorks CAD. ● Collaborate cross-functionally with electrical engineers, assembly and testing technicians, and international partners to improve design and manufacturing processes.● Evaluate designs using… Show more ● Responsible for complete mechanical design life-cycle of multiple concurrent RF filters and antenna components with a focus on creative solutions to assembly, manufacturing, and repairability.● Generate detailed parts, assembly designs, and manufacturing drawings using SolidWorks CAD. ● Collaborate cross-functionally with electrical engineers, assembly and testing technicians, and international partners to improve design and manufacturing processes.● Evaluate designs using rapid prototyping (subtractive/additive), FEA, and statistical tolerance analysis.● Develop project specific tooling to make assembly more accurate, efficient, and repeatable.● Design, build, and operate test stands to validate design criteria, including torque output, functional temperature ranges, and IP68 environmental sealing.● Extended current antenna phase shifter manufacturing run and saved the company on redesign costs by extracting over 50% more torque across required temperature range. Show less

Waltham, Ma

● Advised resellers for SolidWorks CAD products on topics ranging from product install/activation, crash diagnosis, software performance, to program functionality via telephone, email and web-based support.● Delivered timely workarounds for customers as short term fixes between SolidWorks updates.● Collaborated with Development, Quality Assurance, and Product Definition teams to improve software functionality. ● Led direct customer support as North America lead for… Show more ● Advised resellers for SolidWorks CAD products on topics ranging from product install/activation, crash diagnosis, software performance, to program functionality via telephone, email and web-based support.● Delivered timely workarounds for customers as short term fixes between SolidWorks updates.● Collaborated with Development, Quality Assurance, and Product Definition teams to improve software functionality. ● Led direct customer support as North America lead for DraftSight (2D CAD), provided group and one-on-one training for new team members, and managed flow of information from Product Management to enhance the DraftSight Technical Support Team. Show less

Waltham, Ma

● Aided in restructuring ‘Introduction to Engineering Lab’ to include CNC and 3D printing technology. ● Assembled Shapeoko CNC machines with custom enclosures for student workstations. ● Designed low-cost, reusable 3D paste extruder, including designing printer head and extrusion paste.

Provided 24 hour care for 6 to 21 year old visually impaired students, organized and led day trips, taught independence skills and techniques.

Bachelor Of Science (Bs), Mechanical Engineering

Mechanical Engineering

High School Diploma