RIZAL DWIRAHMANTO
Results-driven Manufacturing Design Engineer with 9+ years of experience across international automotive and agricultural machinery manufacturing. Currently leading a team of 4–6 engineers at Isuzu, overseeing CAD modeling, tooling & fixture design, GD&T, Kaizen, FEA simulation, CNC coordination, and new product development.
About Me
Manufacturing Design Engineer | Supervisor
Rizal Dwi Rahmanto
Manufacturing Design Engineer | CAD & Tooling Specialist | Process Optimization Engineer
Results-driven Manufacturing Design Engineer and Supervisor with 9+ years of progressive engineering experience across international automotive and agricultural machinery manufacturing environments — including PT Mesin Isuzu Indonesia and Astra Otoparts Group. Currently leading a team of 4–6 engineers at Isuzu, overseeing the full manufacturing engineering function spanning SolidWorks CAD modeling, tooling & fixture design, GD&T, process improvement (Kaizen), time study & line balancing, digital work instruction development, 3D scanning & reverse engineering, FEA simulation, CNC coordination, and new product development. Proven ability to independently execute complex engineering deliverables from concept through mass production across multiple concurrent projects. Highly detail-oriented with strong technical documentation skills and a structured, self-directed approach to remote engineering execution.
Core Expertise
Professional Experience
Manufacturing Engineer — Supervisor
International Commercial Vehicle Manufacturer — Isuzu Motors Group | Model Range: Traga, N-Series, Giga
- Spearheaded multi-disciplinary manufacturing engineering function spanning CAD design, tooling & fixture development, process engineering, and new product development — supervising a team of 4–6 engineers and technicians across concurrent projects.
- Executed advanced SolidWorks 3D CAD modelling and 2D manufacturing drawing packages with full GD&T annotation for production tooling, fixtures, and new vehicle component designs — ensuring dimensional compliance with Isuzu global engineering standards.
Research & Product Development Engineer — Supervisor
Agricultural Purpose Vehicle & Mini Field Tractor Manufacturer
- Led full-cycle product development for agricultural vehicles and field tractors — from concept ideation through SolidWorks CAD modeling, prototype fabrication, functional testing, and production release documentation.
- Designed, modeled, and iterated 3D CAD assemblies and detailed 2D manufacturing drawings with GD&T annotations using SolidWorks, ensuring dimensional accuracy aligned with supplier and fabrication tolerances.
Quality Control Engineer — Staff
Agricultural Purpose Vehicle & Mini Field Tractor Manufacturer
- Designed and fabricated custom inspection tooling and gauging fixtures to enable accurate, repeatable measurement of critical part features, directly supporting dimensional conformance to engineering drawings.
- Conducted systematic incoming quality inspection of vendor-supplied parts against 2D engineering drawings and GD&T specifications; documented and escalated non-conformances using structured quality records.
Research & Development Engineer — Project
Automotive Components Manufacturing — Astra Otoparts Group
- Developed detailed part designs from initial concept through production-ready engineering documentation — executing full design-to-manufacture workflow independently within project timelines.
- Conducted prototype builds, functional trials, and performance testing; compiled comprehensive test result reports to validate design feasibility and compliance with engineering specifications.
Process Engineering & Product Development — Internship
Automotive Components Manufacturing — Astra Otoparts Group
- Analyzed and optimized product, fixture, and die designs to improve manufacturing process efficiency and reduce cycle time.
- Developed and implemented SOP improvements for machine operations, contributing to standardized work instruction documentation.
Engineering Projects
Manufacturing Tooling & Fixture Development Program — Isuzu Full Model Range
Designed and validated multi-purpose manufacturing fixtures and inspection gauges in SolidWorks for Isuzu commercial vehicle production lines — covering Traga, N-Series, Giga model platforms. Ran FEA simulation on critical fixture structures to confirm load capacity and rigidity before fabrication, accelerating tooling approval and eliminating costly physical design rework cycles. Coordinated CNC machining and metal fabrication of tooling components with in-house and external workshops.
Kaizen & Line Balancing Improvement Initiative
Conducted systematic time study and motion analysis across multiple manufacturing workstations; identified process inefficiencies and re-balanced line operations to reduce bottlenecks and improve throughput. Developed standardized digital work instructions and SOPs within company workflow systems, reducing process variation and enabling consistent operator performance across shifts.
Agricultural Mini Tractor — Full Product Development Cycle
Owned end-to-end product development of mini agricultural tractor platform — SolidWorks modeling, GD&T drawings, prototype trials, tooling design, and production documentation. Applied FEA simulation to optimize chassis and attachment frame structural performance. Reverse-engineered legacy competitor components using 3D scanning workflows and PolyWorks.
Automotive Component Development — New Part Introduction
Led NPI (New Part Introduction) project from concept design to mass production handover for automotive components, coordinating with 3rd-party suppliers and internal production teams. Produced full SolidWorks design packages with 2D drawings, material callouts, GD&T tolerancing, and assembly documentation.
Technical Skills
Skills Overview
Certifications & Training
SolidWorks CAD Training — Advanced 3D Modeling & Assembly Design
SolidWorks Authorized Training
Advanced training in SolidWorks 3D CAD software covering complex part modeling, assembly design, drawing creation, and GD&T annotation — enabling high-fidelity manufacturing engineering deliverables.
PolyWorks Metrology Software Training — 3D Scan Data Processing & Reverse Engineering
PolyWorks Training Program
Specialized training in PolyWorks metrology software for processing 3D scan data, point cloud analysis, and reverse engineering workflows — supporting legacy part reconstruction and dimensional benchmarking.
Astra Otoparts Group Internal Engineering Development Program
Astra Otoparts Group
Comprehensive internal engineering development program within Astra Otoparts Group, covering manufacturing process standards, quality management systems, and automotive component engineering methodologies.
Quality Management System (QMS) Training — Incoming Inspection & Non-Conformance Control
Quality Management Training
Training in Quality Management Systems covering incoming quality inspection procedures, non-conformance reporting (NCR), corrective action processes, and compliance with automotive quality standards.
Education
Diploma IV (D4) — Mechanical & Manufacturing Engineering
Swiss Polytechnic for Mechanic (POLMAN Bandung)
Design Engineering & Product Development
- Design Engineering & Product Development
- Advanced manufacturing processes and production management
- Precision engineering and manufacturing automation
Diploma III (D3) — Design Engineering
Swiss Polytechnic for Mechanic (POLMAN Bandung)
Precision Tools Design
- Precision Tools Design
- Mechanical design and CAD/CAM engineering fundamentals
- SolidWorks, AutoCAD, and precision tooling design
Achievements
Swiss Polytechnic for Mechanic (POLMAN) Bandung is a premier manufacturing polytechnic in Indonesia, established in collaboration with the Swiss government, known for producing highly skilled engineers in precision manufacturing, tooling design, and production management.
Engineering Gallery
Motorcycle Frame 3D Model
Injection Mold Assembly
Progressive Die Layout
Dashboard Component Design
Production Line Setup
Welding Fixture Detail
CNC Machining Process
Bracket Assembly CAD
Quality Inspection Station
Jig Design Blueprint
Stamping Die Components
Automotive Part Rendering
Get In Touch
Open to full-time remote positions and available immediately. Interested in collaboration or have a project in mind? Let's connect and discuss.
Bekasi, Indonesia