Sonny Y.

Experience

• Lecturer Widya Karya Catholic University · Full-time Nov 2008 – Present 17 yrs 9 mos Malang, East Java, Indonesia As a Civil Engineering Lecturer, I have been teaching Computer-Aided Design (CAD) courses for approximately 15 years, equipping undergraduate students with the knowledge and practical skills required for professional engineering drafting. My teaching focuses on AutoCAD (2D & 3D), engineering graphics, technical drawing standards, construction detailing, and the interpretation of engineering drawings.
  
  I develop course materials, prepare practical exercises, and guide students in creating accurate, standards-compliant technical drawings for civil engineering applications. Throughout my teaching career, I have emphasized precision, drafting accuracy, and industry best practices while helping students build strong technical and problem-solving skills for professional engineering work.
• Freelance Drafter Freelance · Freelance Jul 2005 – Present 21 yrs 1 mos East Java, Indonesia From 2005 to early 2007, I worked as a CAD Drafter at PT. Pulau Intan Baja Perkasa Konstruksi, contributing to the construction of a restaurant project in Malang, Indonesia. My primary responsibilities included preparing detailed shop drawings and as-built drawings to support construction activities and accurately document completed work. I collaborated closely with project engineers and site personnel to ensure that all drawings reflected project specifications, field conditions, and construction standards. This role strengthened my technical drafting skills, attention to detail, and ability to deliver accurate engineering documentation within project deadlines.
  
  Since 2007, I have continued my career as a Freelance CAD Drafter and Construction Estimator, providing technical drafting and quantity estimating services for residential, commercial, and civil engineering projects. My responsibilities include producing detailed 2D and 3D drawings, revising construction drawings, preparing quantity take-offs, estimating material requirements and project costs, and ensuring compliance with engineering standards and client specifications. Through years of freelance experience, I have built a reputation for delivering precise, reliable, and high-quality work while consistently meeting client expectations and project deadlines.