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Agus Santoso

@agussantoso

Operations & Maintenance Chief at PT. Gunung Samudera International, overseeing nickel mining operations and silica sand and jetty projects.

Indonesia

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What I'm looking for

I’m looking to use my experience in EHS, Good Mining Practice, operations and maintenance, supply chain, project control, and government relations, particularly across mining, plant, and shipment operations.

At PT. Gunung Samudera International, I supervised operations and maintenance for nickel mining and projects involving silica sand and jetty construction. My work included heavy equipment and plant reliability, vendor contracts, maintenance planning, and operational budgets.

Across mining, marine services, supply chain, and geosynthetics projects, I’ve worked on production planning, procurement, shipment maintenance, and project control. I’ve also developed maintenance training programs and worked with Ellipse for maintenance, procurement, logistics, and vendor management.

Experience

Work history, roles, and key accomplishments

Operations & Maintenances Chief

PT. Gunung Samudera International

Jul 2024 - Aug 2026 (2 years 1 month)

Supervised operations and maintenance for nickel mining and silica sand projects, including heavy equipment management and project construction. Managed a population of 375 units and ensured maintenance KPIs such as MA > 85% and PA > 90%.

Heavy Equipment Maintenance Preventive Maintenance Predictive Maintenance Corrective Maintenance Contract Management Vendor Management Budgeting P&L management Supply Chain Management SOP Development

Dept Head Maintenances & Sr Specialist Business Development

PT. Baramulti Sukses Sarana Tbk.

May 2023 - Jul 2024 (1 year 2 months)

Supervised maintenance and business development, including career path development for mechanics and competency training. Managed infrastructure bidding and preventive maintenance for facilities.

Maintenance Management Competency Development Training Business Development Infrastructure Bidding Preventive Maintenance Asset Management

Dept Head Supply Chain and IT

PT. Baramulti Sukses Sarana Tbk.

Oct 2022 - Apr 2023 (6 months)

Supervised purchasing, logistics, and IT systems including Ellipse 9, SAP, and vendor management. Led integration projects and managed vendor contracts and fuel management.

Supply Chain Management Purchasing Logistics IT Management Ellipse SAP Vendor Management Contract Management Fuel Management

Head of Regional Supply Chain

PT. Cahaya Pengajaran Abadi – Shell Oil

Mar 2021 - Oct 2022 (1 year 7 months)

Managed supply chain operations for Shell lubricant distribution across Eastern Indonesia, including forecasting, inventory control, and vendor management. Supervised PPIC and distribution cost monitoring.

Supply Chain Management Distribution Forecasting Inventory Control Vendor Management PPIC Cost Management

Procurement & Technical (Marine Services)

PT. Multi Agung Sarana Ananda

Dec 2018 - Dec 2021 (3 years)

Supervised supply chain management and procurement for marine services, including vendor management and contract negotiations. Managed maintenance planning and monitoring for barges.

Procurement Supply Chain Management Vendor Management Contract Negotiation Marine Maintenance PMS

Maintenance & Marketing Manager

PT. Segara Jaya Lestari

Dec 2018 - Dec 2021 (3 years)

Managed maintenance and marketing for shipyard and docking services, including quality business processes and equipment maintenance. Supervised marketing strategy and customer relationship management.

Maintenance Management Shipyard Operations Marketing Customer Relationship Management Budget Management

Operation Division Head

PT. Prima Surya Silica

Dec 2018 - Dec 2021 (3 years)

Supervised silica sand production operations, including washing plant and heavy equipment maintenance. Managed production to achieve 40,000 MT per month and coordinated shipments to customers.

Operations Management Silica Sand Production Maintenance Management Supply Chain Management Budgeting Shipment Coordination

Technical Project Business Development Manager

PT. Geoforce Indonesia

Dec 2017 - Sep 2018 (9 months)

Supervised sales and marketing of geosynthetic products in East Java and Eastern Indonesia. Managed business planning, logistics, and procurement, and established partnerships with universities.

Business Development Sales Marketing Geosynthetics Logistics Procurement Partnership Management

Project Control Manager

PT. Geoforce Indonesia

Sep 2015 - Dec 2017 (2 years 3 months)

Supervised project operations, budgeting, and contract management for geosynthetic projects. Managed cash flow, maintenance costs, and ensured quality standards for fabricated products.

Project Management Budgeting Contract Management Cash Flow Management Quality Control Geosynthetics

Plant Department Head

PT. Lancarjaya Mitra Abadi

Dec 2014 - Aug 2015 (8 months)

Managed preventive and corrective maintenance plans to optimize machine availability and efficiency. Supervised asset inventory and infrastructure programs including TPM and TMS.

Maintenance Management Preventive Maintenance Corrective Maintenance Asset Management TPM TMS

Maintenance Superintendent

PT. ILSS-Indika Energy

Nov 2012 - Dec 2014 (2 years 1 month)

Managed service contracts and site maintenance operations, including personnel and quality systems. Implemented ISO standards and supervised port maintenance and logistics.

Maintenance Management Contract Management ISO 9001 ISO 14001 OHSAS 18001 Logistics Port Maintenance

Sr. Maintenance Planner Supervisor

PT. CMS Kaltim Utama

Oct 2010 - May 2012 (1 year 7 months)

Supervised maintenance planning and development programs for mechanics, including competency training and long-term maintenance planning. Managed maintenance KPIs and budgeting.

Maintenance Planning Training and Development Competency Assessment Budgeting KPI Management Heavy Equipment