Curriculum Vitae

Nathanael Gerald Liebensky Silitonga
Media Social
Fresh Graduate from Universitas Indonesia with a strong passion for metal processing and production planning. Experienced in both metal smelting and manufacturing industries, with hands-on involvement in operational and process improvement initiatives. Driven by a goal to advance industrial digitalization and optimize production systems through data-driven strategies. Equipped with solid skills in project planning, process optimization, and analytical decision-making to support efficiency and continuous improvement in industrial operations.
Juli 2025
Universitas Indonesia
S1 • Teknik Metalurgi dan Material • IPK 3.40
Juni 2024 - Agustus 2024
Intern Penyelia Pencetakan

PT Indonesia Asahan Aluminium • Magang
Januari 2024 - Januari 2024
Process Engineering Intern
PT Suzuki Indomobil Motor • Magang
Department of Painting Body and Plastic (Injection Moulding Division)
Roles :
• Improved Production Capacity at Injection Molding Plastic Division for Panel Instrument Upper RH/LH by 5.5% (95.5 to 100.8 Shots per Hour) with Cooling Time Optimization
• Optimized Production Plant Process for Injection Molding Machine by Reducing Cycle Time from 37.7 to 35.7 Within 5.3% Efficiency Process
• Conducted Parameter Reference by Data-Driven Projection for Material Quality of Polypropylene (PP) with Newton’s Law of Cooling Rate Formula
Desember 2023 - Sekarang
Laboratory Assistant
Physical Metallurgy Laboratory Universitas Indonesia • Part Time
Laboratory Assistant of Material Testing such as Destructive Test (DT) and Non-Destructive Test (NDT)
Roles :
• Designed Material Testing Practicum Module for 150+ Undergraduate Student in DTMM FTUI
• Developed Training Program Material for 10 Laboratory Assistant and Provided Comprehensive Knowledge of Material Testing Syllabus to Ensure Smooth and Efficient Laboratory Operation
• Implemented 4 Destructive Test Practicum and 1 Non-Destructive Test Practicum to Ensure Hands-on Experience of Material Testing Application
Januari 2023 - Januari 2023
Maintenance Engineering Intern
PT Astra Honda Motor • Magang
Central Pressing Division (Stamping Press Process for Part of Honda eSAF Frame Body)
Roles :
• Improved Study of Wear Resistance for Dies Press SKD-11 to 300.000-600.000 Shot by Control 5+ Parameter Coating Process
• Conducted In-Depth Analysis of 3 Coating Layer Material by Influence of Chemical Elements, Process Temperature, and Process Time