Maratua Harahap

I graduated in Environmental Engineering with more than five years of professional experience in environmental management. I have strong knowledge and practical expertise in environmental compliance, monitoring, Waste Management Strategic, Mine Closure, Lead of Implementation ISO 14001, Waste Water Discharge Evaluation and Sediment Management I possess excellent planning and strategic problem-solving skills, along with strong analytical, leadership, and interpersonal abilities. I work effectively both independently and as part of a team, and I am capable of building strong collaboration in a dynamic work environment.

I am highly motivated to pursue a challenging career where I can apply and further develop my environmental, health, and safety (EHS) knowledge and skills while contributing to organizational success.

Environment Manager at SINOHYDRO CORPORATION LIMITED (2026-01 – 2026-09)

• Lead the implementation of the Environmental Management System (EMS) across the project area, ensuring alignment with company policies and regulatory requirements.
• Conduct and develop Environmental Aspects and Impact Assessments (EIA) for all project activities.
• Develop and implement effective wastewater management strategies for construction activities, including earthworks and tunneling operations.
• Establish and ensure compliance of domestic wastewater treatment systems with applicable discharge standards and environmental regulations.
• Identify and compile environmental regulatory requirements applicable to the project, and develop programs to ensure full compliance with government regulations.
• Develop supply and demand strategies for chemical usage, particularly for chemical injection processes in sediment ponds.
• Prepare comprehensive environmental management strategic plans based on AMDAL documentation and relevant regulatory frameworks.
• Review and optimize environmental management costs, including budgeting and cost control strategies.
• Develop and implement guidelines for ambient air quality and noise monitoring in accordance with national standards (SNI) and regulatory requirements.
• Prepare, review, and present environmental management progress reports for submission to project stakeholders and project owners.

Environmental Supervisor, Maret 2023 until Agustus 2024; HSE Supervisor, Oktober 2024 until September 2025 at PT Merdeka Mining Servis (2023-03 – 2025-09)

Subsidiary of PT. Merdeka Copper Gold. Certificate of employment records service from 04-Mar-2023 to 03-Sep-2025 and final classification as Enviroment Supervisor.

• Conduct for sedimentation assessment & control with TSS Measurement, analysis hydrological related to sediment management plan in clearing activities
• Update and revisi the environmental and OHS program target objectives
• Leading the implemtation of ISO 14001 system both in internal company as well as coordinating with sub-contractior (monitoring the implementation ot the ISO 14001)
• Supervise the MMS project area especially related to environmental improvement and maintenance.
• Review and then revise the program target object and environmental impact aspects of mining construction activities
• Conduct environmental compliance inspections in the all contructions area with scoring metode
• Conduct for Incident Investigation based on ICAM standard
• Make SOP updates and regulations related to safety & environmental management.
• Update Control and Operation Of WTP, STP And DAF Include Maintenance, Calculation of Concentration & chemical demand
• Make a baseline risk opportunity analysis of safety and environmental aspects
• Improving the implementation of mining safety based on SMKP standards
• Make a traffic management plan for mine road sign placement assessment

Assistant Water Resources at PT KORIDOR MULTI GATRA (2022-08 – 2023-02)

• Taking survey coordinate data from intake to piping network
• Make a direct visual drawing related to the state of the intake to the piping network
• Measure river discharge at the point of intake plan
• Taking water samples and measuring the pH directly in river water
• Processing spatial data in the form of spam maps from intake to pipelines
• Processing DEM data for watershed map generation
• Make a survey documentation report in the field
• Reporting the results of survey activities to the Public Works Agency
• Conduct weekly collaboration meetings with the company and the agency

HSE OFFICER at PT. SODEXO INDONESIA (2021-11 – 2022-07)

• Planning HSE program for kitchen and houskeeping operations.
• Conduct hygiene and sanitary checks of equipment, food ingredients and food handlers.
• Checking food temperature standards before delivery
• Conduct security patrols in the kitchen, laundry & housekeeping areas.
• Ensure the provision of PPE for employees, medicines, vitamins and first aid kits.
• Prepare inspection reports from the K3 & Camp Department. Service
• Investigate incident and food contaminant or foreign object in food.
• Make reports on equipment damage, kitchen area building construction
• Compile inspection findings report from OHS & Camp Service Department.

Safety Officer at PT RAHMA ISTANA SEJAHTERA (2020-10 – 2021-01)

Mitra of oil and gas company for LTSA ATG project

• Taking care of SIKA and Pertamina HSE daily work permit
• Ensure all fit work teams before work
• Lead safety talk before starting work
• Ensuring the Use of Complete APD Wear on high-altitude work on the tank
• Ensure safe working conditions during ATG maintenance and verification
• Ensuring clean environmental conditions post after work
• Help technicians to open atg tool spare parts during maintenance and trouble
• Take documentation and record oil levels, temperature manual measurement results and ATG results
• Responsible for the preparation of KPI and WPI project

Environment Officer at PT SUMBER ENERGIJAYA (2018-03 – 2018-08)

Gold company project

• Prepare and compile RKL-RPL reports that will be distributed to local government agencies.
• Responsible for LB3 management in terms of reporting, transportation to B3 TPS and transportation to third parties.
• Monitor the process at WPP, WMP, Filter Fresh, Detoxification and TSF.
• Environmental compliance inspections to all departments
• Responsible for reporting and remediation of negative environmental findings from site management, related service communities
• Coordinate with HSE Team in reclamation activities in the river slope area with planting of ground cover plants and also development of nursery facilities.
• Responsible for water reports and sampling of water treatment facilities, HCN, and noise in the processing/shredding area
• Coordinate mine road watering activities with LV enviro
• Coordinate with BTKL in sampling and measuring environmental quality such as surface water, groundwater, dust and noise for the fulfillment of RKL-RPL report.
• Sanitary inspection in the field of TPPM, Vector, Domestic waste treatment in office facilities, mess and kitchen and conduct vector control with Fooging

HSE OFFICER at PT. ADHI KARYA, Tbk (2017-11 – 2018-02)

Management of Project; Construction

• Compile daily, weekly and monthly reports of K3 activities
• Leading Safety Induction to new workers
• Identify physical and chemical hazards in bore pile work areas, sheet piles, then provide a record of hazard control improvements in hiradc documents
• Conduct auditing with the department and conduct a key performance report of HSE Indicator
• Conduct Inspection Activities in the area of traffic management facilities
• Conduct scale inspection activities on the condition of the office environment, mess and take measurements of vibration and noise from heavy equipment activities
• Responsible for the distribution and administration of PPE to workers
• Coordinating the HSE Team in conducting accident emergency resp on se, in terms of first aid and transportation of victims to the hospital
• Coordinate with heavy equipment mechanics in crawrel inspection activities Crane before lifting u-shape girder activities

HSE OFFICER at PT. MEXTRON EKA PERSADA (2016-10 – 2017-08)

Construction

• Planning and implementing HSE Plan in the area of civil building construction.
• Prepare the JSA and Permit
• Leading the tool box meeting
• Inspection of negative findings of civil building activities and carrying out repairs
• Compiling reports of negative and positive findings on HSE
• Conducting an internal audit with Maintcont
• Compiling RK3L with adjustments to the regulations

D3 in Environmental Health – Politeknik Kesehatan Kementerian Kesehatan Medan (2013 – 2016)

S1 in Environmental Engineering – Institut Teknologi Yogyakarta (2018 – 2021)