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Joshua Karubaba

Joshua Karubaba

Followers of Joshua Karubaba784 followers
location of Joshua KarubabaEast Jakarta, Jakarta, Indonesia

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  • Timeline

  • About me

    Technology Development II at PT Pertamina (Persero)

  • Education

    • University of Indonesia

      -
      Bachelor’s Degree Chemical Engineering

      Activities and Societies: Society of Petroleum Engineers

    • University of Indonesia

      -
      Engineer's Degree Professional Engineer (Insinyur) Summa Cum Laude

  • Experience

    • PT Pertamina (Persero)

      Mar 2019 - now

      Contribute to research and development projects focused on bioenergy and sustainable fuels, including Bio-Specialty Chemical, Bioethanol and Sustainable Aviation Fuel (SAF). My work is consisted of :- Conducted process simulation and modeling for biofuel production systems using Aspen HYSYS and Super Pro Designer.- Executed laboratory analysis.- Executed pilot-scale experiments such as distillation and separation.- Prepared technical and commercial documents for R&D investment planning. Show less Contribute to pilot plant operations to support hydroprocessing-related projects. My work is consisted of:- Supported end-to-end pilot plant activities, including process setup, system checks, and operational troubleshooting.- Conducted process monitoring, data logging, and performance evaluation to verify scale-up feasibility and technology readiness.- Assisted in commissioning, start-up, and shutdown procedures to ensure safe and efficient pilot plant operation.- Assisted in performing HAZOP (Hazard Operability Studies)- Maintained and improved Standard Operating Procedures to align pilot plant activities with ISO and internal quality standards.- Coordinated with multidisciplinary teams (process engineers, R&D scientists, operations personnel) to resolve technical issues and optimize plant performance.Projects : ARHDM Activity, i-HVO, SAF, etc. Show less Contribute to laboratory analysis supporting a wide range of non-fuel petroleum commodities. My work is consisted of:– Analyzed non-fuel, petrochemicals, and environment-related samples with conventional & chemical instruments.– Planned maintenance schedule of chemical analysis instruments with vendors.– Assisted in creation of Certificate of Analysis (COA) & maintained Quality Control Chart (QCC). – Archived and proofread laboratory documents (Logbook, ASTM, & Laboratory Procedures).Commodities : Rubber Processing Oil, Water, Plastics, etc. Show less

      • Bioenergy & Fuel Development Research

        Feb 2024 - now

      • New & Renewable Energy Research

        Nov 2023 - Feb 2024

      • Pilot Plant Hydroprocessing

        Jul 2019 - Nov 2023

      • Non Fuel & Petrochemical Feedstock

        Mar 2019 - Jun 2019

  • Licenses & Certifications

    • Finance For Non Finance Managers

      Corporate Finance Institute® (CFI)
      Mar 2025
      View certificate certificate

    • Modeling and Simulation for Process Intensification

      AIChE - American Institute of Chemical Engineers
      Oct 2025

    • Hydrogen Production - 2024

      IFP School
      Mar 2024
      View certificate certificate

    • General Occupational Safety & Health Expert

      Kementerian Ketenagakerjaan
      Jun 2022

    • Bloomberg Market Concepts

      Bloomberg LP
      Feb 2022
      View certificate certificate

  • Honors & Awards

    • Awarded to Joshua Karubaba
      1st Runner Up Indonesia National Entreprise and Science Challenge (InaSEC) Center for Innovative Learning July 1, 2012 Solve a climate issue in 12 hours by creating an innovative solution and considering aspects of business, science, and technology. The challenge itself is about the emergence of battling global warming. The solution presented in the competition is Eco-friendly & Green Apartment. The major advantage of the solution is the upside-down rooftop with filter system which can be used to hold rainwater for kitchen appliances and electricity purposes. Additionally, the wall of the apartment is covered… Show more Solve a climate issue in 12 hours by creating an innovative solution and considering aspects of business, science, and technology. The challenge itself is about the emergence of battling global warming. The solution presented in the competition is Eco-friendly & Green Apartment. The major advantage of the solution is the upside-down rooftop with filter system which can be used to hold rainwater for kitchen appliances and electricity purposes. Additionally, the wall of the apartment is covered with everything from the green to attract customers and reduce the air polution near the area. Show less