Presales engineer and systems integrator at PTTS, an ABB Authorized Value Provider with offices in Jakarta and Bali. I commission ABB drives, integrate PLC and DCS platforms, and write the software that connects field devices to modern stacks.
Precision in power. Clarity in control.
| Industrial Automation (OT) | Software & IIoT Infrastructure (IT) |
|---|---|
| ABB Drive Ecosystem Commissioning & tuning of ACS880, ACS580, ACQ580 VSDs. |
Software Engineering Development with TypeScript, Node.js, Python, C++, and Bash. |
| Control Systems & DCS PLC integration across ABB, Siemens, and Schneider platforms. |
IIoT & Cloud Infrastructure Deployment via Docker, custom Linux configurations, AWS, and Nginx. |
| Crane & Heavy Automation Safe-state automation, Crane N5050, Anti-Sway, STO. |
Database & Cache Systems Data orchestration with PostgreSQL, MongoDB, and Redis. |
| Power Quality Engineering Harmonic remediation, Active Filters, and THD Analysis. |
Operations & Workflow Automation Flow orchestration with n8n and custom system integrations. |
| Period | Project & Control Architecture | Industrial Scope & Impact |
|---|---|---|
| 2022 – Present | Crane AutomationABB ACS880 + N5050 Controller |
Commissioning of crane anti-sway systems, drive tuning, and Safety Torque Off (STO) design at Caterpillar Batam Corridor. |
| 2025 | Operations Automationn8n Orchestration + LLM Layer |
Design and deployment of workflow orchestration engines and AI-assisted automation for internal systems. |
| 2024 – Present | IT/OT Software IntegrationTypeScript · Python · Hardware APIs |
Developing custom diagnostics applications, IIoT bridges, and automation scripts linking field devices to modern software stacks. |
| Ongoing | Power Quality Remediation Active Harmonic Filters |
Power quality assessments, Total Harmonic Distortion (THD) mitigation, and engineering of clean energy grids. |
| 2023 – Present | DCS / PLC System IntegrationSiemens · Schneider · ABB AC800M |
Process engineering, network setups, and commissioning of control panels for Food & Beverage and manufacturing lines. |
| Year | Milestone |
|---|---|
| 2018 | Casio Manufacturing, production internship · Thailand |
| 2019 | PTTS, electrical field engineer · commissioning |
| 2020 | ABB ACQ580, first solo variable speed drive (VSD) deployment |
| 2022 | Crane automation deployment · Cilegon · ACS880 + N5050 integration |
| 2025 | ABB Channel Partner Expert Day, delegate · Shanghai, China |
| 2025 | PTTS, presales engineer & system integrator · Jakarta / Bali |
Commissioning, drive tuning, power quality, or an OT/IT bridge that has to hold? Send a short brief with the site, the equipment, and what has to work. More of the work lives at dummjo.dev.
7+ years in the field · 50+ projects completed · Jakarta & Bali · available worldwide

