Professional Experience
Wasco Energy
Wasco Energy is a globally recognized integrated energy infrastructure company, providing comprehensive engineering, procurement, construction, and fabrication solutions for the oil & gas, power, and renewable energy sectors. With strong international operations and proven project execution capabilities, Wasco delivers high-value, reliable, and innovative energy infrastructure across multiple regions worldwide.
- Role: Tendering & Estimation Engineer
- Period: Sep 2025 – Present
- Location: Batam, Indonesia
- Review and analyze RFQ specifications, standards, and project requirements.
- Develop optimized and compliant technical solutions for clients.
- Manage RFQ distribution, vendor quotations, and clarifications.
- Prepare budgetary and firm estimates using internal tools and vendor bids.
- Collaborate with engineering and construction teams for discipline pricing.
- Clarification & discussions with clients and vendors, managing deviations and exceptions.
- Consolidate pricing schedules, project schedules, execution plans, and technical documents into a complete proposal submission.
- Support internal teams by providing estimation data for planning, scheduling, and strategic decisions.
In my first three-month probation period at Wasco, I secured projects valued at over USD 5 million for a 10-month project schedule. This contribution supported the growth of the Wasco Industrial Substation Division by strengthening its project pipeline, improving revenue visibility, and enhancing competitiveness in key tenders.
- Ma'aden Ar Rjum Gold Mine Saudi Arabia - Prefabricated Switchrooms
- Technip Energies Commonwealth LNG Louisiana - Modularized RIE & LER
- Tasman Mining Snowy River Gold Australia - Transportable Switchroom & Control Room
- Exxon Mobil PNG LNG Hides DCPU Project - HV & LV Switchroom
- Freeport Indonesia Dewatering Plant Electrical Upgrade Papua - Modular Electrical Room
- Reko Diq Mining Project Switzerland - Prefabricated Switchrooms
- Fluor Carbon Capture Utilization and Storage Project Canada - Modular Electrical Substation
- Rio Tinto Kangwinan Project Australia - Transportable Switchrooms
- Hitachi Energy LTA EVCS & CSMS Project Singapore - Modular Electrical Room
- Fluor Rhodes Ridge Project Australia - Transportable Switchrooms
- Yanco Delta Wind Farm Project Australia - Prefabricated Buildings
TRIPATRA
TRIPATRA is one of the most experienced and diversified engineering, procurement, and construction (EPC), project management, and asset solutions integrated engineering for energy, oil & gas, upstream, downstream, petrochemical, industrial and renewable energy sectors in Indonesia and overseas.
- Role: Proposal Estimator
- Period: Jan 2024 – Sep 2025
- Location: South Tangerang, Indonesia
- Review bidding instructions, ensure our services match client needs.
- Create Cost Breakdown Structure to prepare a detailed cost proposal.
- Develop competitive pricing and fill in the client’s pricing formats.
- Create and clarify proposals and participate in bid meetings.
- Oversee the cost estimates to ensure they are reasonable and economical.
- Collaborate with various departments to improve estimation accuracy.
- Create a detailed monthly forecast of expected cash inflows and outflows.
Contributed to securing the first contract with new client Vale Indonesia, with a total contract value of USD 2.5M+ over a 3-year schedule for construction management scope, strengthening Tripatra’s client portfolio, establishing a new strategic relationship, and opening opportunities for future project expansion.
- AKR Corporindo, PT. - EPCC Tank Terminal Morowali
- Antam, PT. - Project Management Consultancy Services for AVERE Project
- Jakarta Tank Terminal, PT. - VOPAK Tank Reverse Engineering
- Polytama Propindo, PT - FEED Balongan Project
- Genting Oil Kasuri, Pte. Ltd. - EPC AKM Field Development
- Medco E&P Grissik, Ltd. - Relocation Compressor Mini Station Kaji to Tengah
- Medco E&P Grissik, Ltd. - EPCIC Water Injection Trunkline & Tanks for Rimau
- Medco E&P Grissik, Ltd. - Heat Exchanger Cleaning & Repair Maintenance Services
- Medco E&P Grissik, Ltd. - Construction & Installation Blanket for Non-Suban Area
- Medco E&P Grissik, Ltd. - Suban Flowline & Wellsite Facility Construction Service
- Medco E&P Grissik, Ltd. - EPC Suban Compressor Revamping
- Vale Indonesia, PT. - Asset Integrity 2025 National
- Vale Indonesia, PT. - Construction Management Electric Furnace #3 Rebuild
- Vale Indonesia, PT. - Construction Management Mining Area Bahodopi
Berca Engineering International
PT. Berca Engineering International (formerly known as AMEC Berca Indonesia) is an engineering service company which provides engineering, design, and asset support services for Oil and Gas Industry.
- Role: Cost Estimator
- Period: Jun 2023 – Jan 2024
- Location: Central Jakarta, Indonesia
- Estimating the cost of oil and gas EPC projects.
- Understanding the project level of Pre-FEED, FEED, to DED.
- Monitoring quotations from many vendors for price analysis.
- Understanding MTO from several engineering disciplines (Electrical, Mechanical, Instrument, Civil & Structure, Piping)
- Coordinate with many engineers from every engineering discipline.
- Do clarification with clients regarding price analysis.
Worked closely with Pertamina Hulu Rokan (PHR) to support the development of several upcoming FIDs. Assisted in analyzing market trends and engaging vendors at an early stage to meet tight project schedules.
Detailed Engineering Phase:
- North Duri Development Area 14 - Pertamina Hulu Rokan
- Installation Cooling Tower Menggala North - Pertamina Hulu Rokan
- Installation Cooling Tower Pager Gathering Station - Pertamina Hulu Rokan
- Pipe Distribution Replacement AWT 13NO to CGS10 - Pertamina Hulu Rokan
- Pipe Distribution Replacement AWT 7NW-7NE to CGS1 - Pertamina Hulu Rokan
- Pipe Distribution Replacement AWT 9SC to CGS3 - Pertamina Hulu Rokan
- Pipe Distribution Replacement CPL Petani GS to Duri CPS - Pertamina Hulu Rokan
- Pipe Production Line Replacement Suka Ramai - Pertamina Hulu Rokan
- Pipe Distribution Replacement Gas Line Pematang to DGF - Pertamina Hulu Rokan
- Pipe Distribution Replacement Shipping Line Pemburu GS to Pertagas - Pertamina Hulu Rokan
- Pipe Distribution Replacement Vent Stack Minas - Pertamina Hulu Rokan
- Pipe Distribution Replacement Water Injection Kota Batak - Pertamina Hulu Rokan
Jagat Baja Prima Utama
PT. Jagat Baja Prima Utama subsidiary of PT. Jagat Konstruksi Abdipersada, is a leading Indonesian Steel Structure fabrication and Industrial Plant, Design & Build Constructor. Usually work for Manufacturing & Industrial Buildings, Infrastructures, Industrial Plants, etc.
- Role: Estimator & Proposal Engineer
- Period: Apr 2022 – Jun 2023
- Location: West Jakarta, Indonesia
- Make an analysis of unit price of steel structure work.
- Make profit analysis and bare cost reports.
- Estimating project cost such as material, fabrication and erection cost.
- Doing an Aanwijzing at the begining of a tender.
- Following gradual clarification during the tender process.
- Negotiating bid price proposal until the tender winner is announced.
- Estimating the volume of Steel structure work.
- Coordinating with vendor / subcontractor to update material price quotation.
- Make weekly tender reports.
A total of over 55,000 tons of steel structures have been estimated, with a combined value exceeding USD 130 million. Nearly 100 proposals have been submitted, resulting in close to 10 contract awards.
- Reserve Workshop A2B XCMG Project - Tabang Kalimantan Timur.
- RRP Building Phase 2 (HM Sampoerna Plant) - Karawang.
- Conveyor Headstock & Low Module Structure OLCSD1-3 - Muara Pahu.
- Workshop 13AB & 1B + WarehouseType A & B CHP98 - Kalimantan Timur.
- Steelwork Air Separator Unit Project - Nusa Tenggara Timur.
- Supply Steelwork Crane Rail Dermaga Perkasa - Kalimantan Timur.
- Extension Warehouse TFJ Mayora Factory - Palembang.
- Steel Structure Edge 2 Data Centre - Jakarta Selatan.
- Extension Warehouse Woodpalet Meubelindo - Cileungsi.
Gelar Gatralaras
PT. Gelar Gatralaras is a general contractor for factory & industrial buildings, and more in facility support for coal mining both steel construction and other civil buildings.
- Role: Tekla Structure Engineer
- Period: Jul 2020 – Apr 2022
- Role: Drafter / Staff Engineer
- Period: Aug 2016 – Jul 2020
- Location: East Jakarta, Indonesia
- Create 3D modeling design with detailed bolt and plate connections.
- Create GA Drawings to later be proceed as Shop Drawings.
- Create cutting list drawings for fabrication needs in the workshop.
- Communicate with site engineers regarding erection methode.
- Make estimates of the volume of steel structure work.
- Create Shop Drawings to Asbuilt Drawings.
- Create reinforcement bar details for Bar Bending Schedule.
- Prepare drawing archives and any documents what client needs.
- Carrying out administrative document needs for ongoing projects.
- Estimate volume of structural materials (formwork, concrete, rod bar, soil, etc.).
Served as the sole Drafter in the company for nearly five years, handling all project drafting independently. Continued supporting drafting works even after transitioning to a Tekla Engineer role, effectively managing dual responsibilities, while also assisting the Head of Marketing in quantity take-offs for new tender bids.
- Main Workshop 4 Bays - PAMA site ARIA Kalimantan Selatan
- Recreation hall - PAMA site MTBU Kalimantan Timur
- Tyre Workshop - SIS site SERA Kalimantan Selatan
- Open Storage Warehouse - UT site TANJUNG REDEP Kalimantan Timur
- Modern Rice Milling Plant (MRMP) Pascapanen - Bulog Bandar Lampung
- Modern Rice Milling Plant (MRMP) Pascapanen - Bulog Karawang
- Toyopack Prima Mandiri Warehouse - Bekasi
- Mall & Apartement Meisterstadt Pollux Batam - Batam Centre
- Lagoon Avenue Mall Canopy - Bekasi
- SIS Mining Facility site ADARO Kalimantan Selatan
- PAMA Mining Facility site BEKB, BRCB & BAYA Kalimantan Timur
- PAMA Mining Facility site ARIA Kalimantan Selatan
- PAMA Mining Facility site MTBU Sumatera Selatan
- PLBN Aruk Stage 2, Wisma PLBN, Masjid & Gereja - Kalimantan Barat
- Wisma HMI Building - Bandung
- Istora Papua - Papua
Resume
For a comprehensive summary of my professional experience, please refer to my latest CV.