Underground Geotechnical
Bernhard Saragih
Technical Advisor (Mining & Geology - Geotechnical)
Batan Indah Blok J No 28 RT 03/RW 04, Kec.Setu, Kademangan,Tangerang Selatan.,Banten
Summary
Technical professional equipped for advisory roles in technology. Skilled in problem-solving, strategic planning, and system optimization. Strong focus on team collaboration and driving results. Dependable, adaptable, and proficient in technical troubleshooting, project management, and stakeholder communication.
Technical professional with focus on advisory roles, ready to bring extensive experience and impactful solutions to table. Known for driving efficiency and innovation, with strong emphasis on team collaboration and adaptability to changing needs. Skilled in problem-solving and client communication, ensuring reliable and effective results.
Knowledgeable Technical Advisor seeking new role. Leveraged technical expertise to provide impactful solutions and support, driving efficiency and innovation. Demonstrated proficiency in problem-solving and client communication, consistently delivering optimal outcomes.
Pursuing full-time role that presents professional challenges and leverages interpersonal skills, effective time management, and problem-solving expertise.
Experienced leader with strong background in guiding teams, managing complex projects, and achieving strategic objectives. Excels in developing efficient processes, ensuring high standards, and aligning efforts with organizational goals. Known for collaborative approach and commitment to excellence.
Experienced with geotechnical analysis, soil mechanics, and foundational engineering. Utilizes in-depth knowledge of geotechnical software and advanced engineering techniques to solve complex problems. Track record of ensuring project safety and integrity through meticulous site investigations and effective teamwork.
Professional engineer equipped to tackle complex geotechnical challenges. Demonstrates deep knowledge in soil mechanics, foundation design, and site investigation. Known for strong team collaboration, adaptive problem-solving, and delivering reliable results under changing conditions. Adept at using advanced technical tools and methodologies to ensure project success and stakeholder satisfaction.
Innovative Geotechnical Engineer with knack for designing specifications and drawings for construction projects. Sound proficiency of soil and rock properties and water content measurement. Ethical and honest with passion for environmentally friendly construction practices.
Professional with strong background in mining operations and production processes. Skilled in equipment operation, safety protocols, and efficient material handling. Known for fostering team collaboration and achieving measurable outcomes. Adaptable and reliable, with focus on optimizing production and ensuring operational excellence.
Experienced with managing mining production operations and leading teams to ensure efficient workflow. Utilizes in-depth knowledge of safety protocols and operational standards. Track record of fostering strong team dynamics and adapting to evolving industry needs.
Mining professional with background in optimizing production processes and enhancing safety standards. Known for effective team collaboration and reliability. Skilled in operational management and adapting to changing demands, valued for proactive approach.
Results-oriented achiever with proven ability to exceed targets and drive success in fast-paced environments. Combines strategic thinking with hands-on experience to deliver impactful solutions and enhance organizational performance.
Innovative technology professional with several years of diverse experience. Skilled in enhancing systems and aligning technical solutions with business objectives. Proven success in leading projects from start to finish and contributing to organizational growth and success.
Overview
16
16
years of professional experience
5
5
Certifications
3
3
Languages
Work History
Technical Advisor (Geology,Geotechnical & Mining)
PT.Rafansa Timorra Persada
08.2025 - Current
- Collaborated closely with cross-functional teams, ensuring optimal integration of new technologies and systems.
- Enhanced system performance by conducting thorough technical assessments and providing expert recommendations.
- Communicated project status to stakeholders, authoring reports to provide up-to-date overviews of ongoing progress.
- Contributed technical oversight to assist team project fulfillment.
- Managed vendor relationships to ensure timely delivery of products/services while maintaining cost-effective pricing structures.
- Served as a key liaison between clients and internal teams, facilitating clear communication on project requirements and deliverables.
- Championed innovation within the organization by staying abreast of emerging technologies and identifying opportunities for strategic implementation.
- Mentored junior team members, fostering professional development opportunities aimed at enhancing skill sets and knowledge base.
- Standardized technical operations reporting parameters to reduce wasted and redundant effort across multidisciplinary teams.
- Defined program-level goals and resource plans in coordination with Type department and senior staff.
- Advised project managers on simultaneous technical workstreams, aiding in alignment of broader business goals.
- Mitigated risk and managed liability by proactively applying latest cybersecurity advisories and best practices to internal operations and product development.
- Evaluated technical control manuals and operational documentation, editing content for clarity and compliance with Type standards.
- Reviewed technical guidelines to verify compliance with information security standards and best practices.
- Analyzed audit findings to detect operational weaknesses for referral to management as potential areas of development focus.
- Developed effective strategies for risk mitigation, proactively identifying potential problems before they escalated into costly setbacks.
- Resolved program-level dependencies at risk of reducing efficiency by bottlenecking ongoing efforts.
- Reduced downtime and improved productivity with proactive troubleshooting and timely resolution of technical issues.
- Played an instrumental role in the successful completion of critical projects, consistently meeting deadlines while adhering to budgetary restrictions.
- Planned deployment of Type system to minimize workflow disruptions and optimize output.
- Troubleshot incidents reported by end-users to schedule system changes and identify permanent solutions.
- Communicated and explained business requirements to team members to understand and implement functional demands.
- Collaborated with upper management to drive strategy and implement new processes.
- Enhanced project management skills by defining and presenting system solutions and timelines for business needs or technical problems.
- Designed employee training curricula to instill necessary process skills, verifying competency via subsequent test procedures.
- Championed continuous improvement initiatives, regularly evaluating existing systems to identify areas for optimization or enhancement.
- Contributed to revenue growth by supporting sales efforts through the creation of persuasive presentations showcasing technology capabilities.
- Streamlined business processes for increased efficiency through the implementation of advanced technology solutions.
Drilling Fluids Engineer
PT.Mitra Mandiri Saktitama
08.2024 - 08.2025
- Increased project success rate with thorough pre-job planning and calculations for optimal drilling parameters.
- Implemented cost-effective strategies that reduced operational expenses without compromising quality or safety standards.
- Fostered a culture of continuous improvement through regular performance evaluations, feedback sessions, and team-building activities.
- Enhanced drilling efficiency by optimizing drilling fluid properties and recommending appropriate mud systems.
- Developed comprehensive reports on mud system performance, enabling continuous improvement initiatives.
- Improved wellbore stability, minimized formation damage, and maximized production rates through expert selection of fluid additives.
- Assisted in troubleshooting downhole problems such as lost circulation, hole cleaning issues, or differential sticking scenarios.
- Managed inventory levels to ensure timely availability of chemicals, additives, and materials required for drilling operations.
- Collaborated with multidisciplinary teams to develop customized solutions for complex drilling challenges.
- Reduced drilling time and costs by monitoring and maintaining proper fluid circulation in wells.
- Optimized drilling performance through careful analysis of real-time data and prompt identification of potential issues.
- Collaborated with geologists to evaluate borehole samples for accurate determination of lithology types encountered during drilling.
- Ensured environmental compliance by managing waste disposal processes and adhering to regulatory requirements.
- Trained junior engineers on best practices for drilling fluids management, boosting overall team performance.
- Contributed to successful well completion by providing technical expertise during casing operations and cementing jobs.
- Continuously updated knowledge on industry trends and technologies to stay ahead in the competitive drilling fluids market.
- Served as a liaison between the rig site team and office-based personnel, facilitating clear communication to support decision-making processes.
- Maintained high safety standards by conducting regular equipment inspections and implementing corrective actions when necessary.
- Participated in post-job reviews to identify areas for improvement and implement lessons learned in future projects.
- Assessed costs and estimated production capabilities of wells to evaluate possible drilling sites.
- Used Software to simulate field operations, proactive identify problems and improve plans to mitigate risks.
- Offered technical guidance on regulatory applications and strategy implementation.
Project Manager (PJO-Penanggung Jawab Operasional)
PT.Antam Resourcindo
06.2023 - 08.2024
- Create analysis, assessment, monitoring geotechnical and hydrogeology, runback analysis and assessment geotechnical report (inpit dump, out pit dump/disposal, low -high wall, and side wall all pit).
- Controlling and monitoring geotech and geology database.
- Create sequence, schedule, and improvement plan geology & geotech drilling in pit/extra hole, out pit, and exploration/extendent bore point.
- Controlling & monitoring quality control /QA - QC sample drilling geology & geotech drilling and sample exploration/mapping.
- Supervised, and controlling short term, midterm, and long term mine planning.
- Supervised and controlling fleet management system mining.
- Create and prepare a mud program to drilling fluid design & equipment preparation for 350 bore exploration (bore point depth 200 - 450 meters). Total depth exploration drilling program > 30.000 meters.
- Create and carry out the drilling fluid program including monitoring, data acquisition, fluid sampling, and fluid testing, daily reports for drilling fluid work.
- Geotechnical monitoring checking and reporting (report mine slope register, extensometer, prisma, drainage pit, hydrology, and piezometer).
- Supervised and create geology & geotech model and evaluated.
- Supervised wellsite geologist, geotech drilling, and drone/UAV survey and project mapping geology (exploration nickel-gold -coal).
- Auditing and evaluated management system good mining practice implementation for geotechnical and geology area Kepmen 1827 K/30/MEM/2018.
- Create, coordination trade operations, inspection, and transportation, loading coal, nickel, aluminium, and tin material as agent for domestic and international client.
- Exploration, drilling, and sampling with JORC 2012, SNI 5015/2011, KCMI 2017 method, and Kepmen 1827 K/30/MEM/2018.
- Coal and Minerals Mining RKAB Reporting.
Senior Manager Geotechnical & Geology Engineering - Technical Engineering Department
PT.Binuang Mitra Bersama Blok Dua (MCI - Group)
09.2022 - 06.2023
- Make, supervised and controlling analysis, runback analysis & assessment geotechnical report (inpit dump, out pit dump/disposal, low-high wall, side wall all pit).
- Controlling and monitoring progress inpit dump, out pit dump/disposal, low wall, high wall, side wall all pit.
- Create and prepare a mud program to drilling fluid design & equipment preparation for 200 bore exploration (bore point depth 200 - 380 meters). Total depth exploration drilling program > 35.000 meters.
- Carry out the drilling fluid program including monitoring, data acquisition, fluid sampling, and fluid testing.
- Supervised, controlling short term, midterm, and long term mine planning.
- Supervised, and create daily reports for drilling fluid work.
- Supervised and monitoring fleet management system mining.
- Monitoring and geotechnical reporting (SSR 803-XT Geotech, extensometer, prisma geotech, drainage inpit & out pit, hydrology, and piezometer).
- Create and controlling database geology geotech drilling and geotech laboratory.
- Controlling for create geology modelling - geotech model and evaluated.
- Create coordination and monitoring geotech analysis all contractor.
- Supervised and create geology mapping, geotech drilling program, and wellsite geologist.
- Controlling quality control /QA - QC sample drilling geology & geotech drilling and sample exploration/mapping.
- Make sequence and schedule plan drilling geotechnical (in pit or out pit), exploration hole, and sampling with JORC 2012, SNI 4726/2011, KCMI 2017 method, and Kepmen 1827 K/30/MEM/2018.
- Create, coordination & controlling for RKAB report (tri semester-semester-yearly) with all department and contractor.
- Create, coordination & controlling rehabilitation area planning with Environmental/HSE department and contractor for RKAB report (Trisemester-semester-yearly).
- Coordination, controlling budget project, and plan budgeting for all department and contractor.
- Create, coordination trade operations, inspection, and transportation, loading coal, nickel, aluminium, and tin material as agent for domestic and international client.
Senior Geotech & Geology Engineer - Engineering Project Planning Department
PT.Bhumi Rantau Energi
10.2021 - 09.2022
- Create and supervised analysis, runback analysis assessment geotechnical report (inpit dump, out pit dump/disposal, low-high wall, side wall all pit).
- Controlling and monitoring progress inpit dump, out pit dump/disposal, Low-high wall, side wall all pit.
- Monitoring and geotechnical reporting (robotic total station, extensometer, prisma geotech, drainage pit, hydrology, and piezometer).
- Create, supervised, and controlling database geology geotech drilling and geotechnical laboratory.
- Create, supervision, and controlling short term, midterm, long term mine planning.
- Create and prepare a mud program to drilling fluid design & equipment preparation for 180 bore exploration (bore point depth 200 - 350 meters). Total depth exploration drilling program > 25.000 meters.
- Carry out the drilling fluid program including monitoring, data acquisition, fluid sampling, and fluid testing.
- Create and supervised daily reports for drilling fluid work.
- Create coordination and monitoring geotechnical analysis all contractor.
- Supervised and create improvement drilling geotech-geology, and wellsite geologist.
- Supervised and controlling fleet management system mining.
- Make sequence and schedule plan geotechnical drilling (in pit, out pit), exploration hole, and sampling with JORC 2012, SNI 4726/2011, KCMI 2017 method, and Kepmen 1827 K/30/MEM/2018.
- Controlling, monitoring for create geology modelling & geotech model - evaluated.
- Coal Mining Company
Mud Logging Engineer - Operational Department
PT.Adiguna Cakra Semesta
02.2019 - 10.2021
- Work in wellsite units collecting, processing, logging, and describing rock samples.
- Use various laboratory techniques to analyse samples.
- Undertake onsite maintenance when necessary.
- Take on the primary health and safety role for the well through constant monitoring of all critical drilling parameters.
- Predict dangerous situations, such as over-pressured formations.
- Assist the wellsite geologist during coring operations.
- Interpret information and feed it back to the data engineer and drilling team to enhance safety and success.
- Operate and maintain a real time computer-based data acquisition system, which records all aspects of rig activity.
- Provide written well reports to the data engineer, drilling team, company man and company.
- Conduct routine tests on drilling fluids.
- Maintain mud pits and mud systems.
- Oil & Gas Services Company
Superintendent Mine Geotechnical & Geology Operation - Technical Services Department
PT.Asmin Koalindo Tuhup
02.2013 - 02.2019
- Create analysis, assessment, monitoring geotechnical and hydrogeology, runback analysis and assessment geotechnical report (inpit dump, out pit dump/disposal, low -high wall, and side wall all pit).
- Controlling and monitoring geotech and geology database.
- Create sequence, schedule, and improvement plan geology & geotech drilling in pit/extra hole, out pit, and exploration/extendent bore point.
- Controlling & monitoring quality control /QA - QC sample drilling geology & geotech drilling and sample exploration/mapping.
- Supervised, and controlling short term, midterm, and long term mine planning.
- Supervised and controlling fleet management system mining.
- Create and prepare a mud program to drilling fluid design & equipment preparation for 350 bore exploration (bore point depth 200 - 450 meters). Total depth exploration drilling program > 30.000 meters.
- Create and carry out the drilling fluid program including monitoring, data acquisition, fluid sampling, and fluid testing, daily reports for drilling fluid work.
- Geotechnical monitoring checking and reporting (report mine slope register, extensometer, prisma, drainage pit, hydrology, and piezometer).
- Supervised and create geology & geotech model and evaluated.
- Supervised wellsite geologist, geotech drilling, and drone/UAV survey and project mapping geology (exploration nickel-gold -coal).
- Auditing and evaluated management system good mining practice implementation for geotechnical and geology area Kepmen 1827 K/30/MEM/2018.
- Create, coordination trade operations, inspection, and transportation, loading coal, nickel, aluminium, and tin material as agent for domestic and international client.
- Exploration, drilling, and sampling with JORC 2012, SNI 5015/2011, KCMI 2017 method, and Kepmen 1827 K/30/MEM/2018.
- Coal and Minerals Mining
Senior Geotech & Mine/Pit Geologist (Technical Services and Operation Department)
PT.Darma Henwa,Tbk.
10.2011 - 01.2013
- Create assessment analysis geotechnical & hydrology report, runback analysis and assessment geotechnical report (inpit dump, out pit dump/disposal, low-high wall, and side wall).
- Geotechnical monitoring, checking, and report (report mine slope register, extensometer, prisma geotech, drainage inpit & out pit, hydrology, and piezometer).
- Create and controlling database geotech & geology.
- Create analysis quality control /QC monitor for drilling geotech performance.
- Create and prepare a mud program to drilling fluid design, equipment preparation for 250 bore exploration (bore point depth 200 - 400 meters).
- Create and carry out the drilling fluid program including monitoring, data acquisition, fluid sampling, and fluid testing.
- Create and carry out the drilling fluid program including monitoring, data acquisition, fluid sampling, fluid testing, daily reports and well for drilling fluid work.
- Supervised controlling fleet management system mining, and hauling.
- Supervised and create estimation, planning, and auditing resources.
- Analysis quality control /QC monitor drilling performance.
- Create, and monitoring grade control, quality control, and mapping geology report.
- Controlling and supervision ROM and Shipping/Port management system.
- Auditing and evaluated management system Good Mining Practice Implementation for geotechnical and geology area Kepmen 1827 K/30/MEM/2018.
- Coal & Mineral Mining
Mud Logging Engineer - Operational Department
PT.Sinar Surya Graha Persada
08.2010 - 09.2011
- Work in wellsite units collecting, processing, logging, and describing rock samples.
- Use various laboratory techniques to analyse samples.
- Undertake on site maintenance when necessary.
- Take on the primary health and safety role for the well through constant monitoring of all critical drilling parameters.
- Predict dangerous situations, such as over-pressured formations.
- Assist to wellsite geologist during coring operations.
- Interpret information and feed it back to the data engineer and drilling team to enhance safety and success.
- Operate and maintain a real time computer-based data acquisition system, which records all aspects of rig activity.
- Provide written well reports to the data engineer, drilling team, company man, and company.
- Conduct routine tests on drilling fluids.
- Maintain mud pits and mud systems.
- Oil & Gas Services Company
Jr.Supervisor - Geology and Geotech Exploration Department
PT.Global Nusantara Resources
07.2010 - 12.2010
- Supervised wellsite geologist, and geotech (Monitor drilling performance). Exploration, drilling, and sampling with JORC 2012 (Joint Ore Reserves Committee) and Standart Nasional Indonesia (SNI 4726/2011) code/method.
- Monitoring and analysis geotechnical/hydrology report.
- Analysis interpretation geophysic logging.
- Mapping geology and database geology.
- Create, controlling, and monitoring database geology.
- Gold, Nickel Mining Consultant
Geology Student Trainee Program - Geology Department
PT.Berau Coal,Tbk
02.2010 - 07.2010
- Familiar exploration, drilling, and sampling with JORC 2012 (Joint Ore Reserves Committee) code/method.
- Mapping geology.
- Wellsite geologist.
- Drilling and sampling JORC 2012 (Joint Ore Reserves Committee) code/method.
- Supervised monitor drilling performance.
- Daily work mapping.
- Analysis correlation layer seam coal.
- Analysis correlation stratigraphic and structure geology.
- Analysis and interpretation geophysical logging.
- Report interpretation estimation coal resource.
- Exploration and Mining
Education
Bachelor of Science - Geology Engineering, Faculty of Mineral Technology
Universitas Pembangunan Nasional "Veteran"
Yogyakarta01.2011
Senior High School - undefined
SMAN 1 Cipocok Jaya
Serang, Banten01.2006
Junior High School - undefined
SLTPS 1 Mardi Yuana
Serang, Banten01.2003
Skills
Operational efficiency analysis
Certification
Intermediate Level of English for Active Communication Course, ELTI Indonesia, 2013-12-01
Computer Applications
- Microsoft Office (Word, Excel, and Power Point)
- Oil Software (Petrel)
- Mining Software (Minescape, Minex, Surpac, ArcGis, MapInfo, Slide, Phase 2, AutoCad, WellCad, and Dips)
- GIS and Drone Software (Agisoft Metashape, PCI Geomatica, Pix4D Mapper, Fast Stone Photo Resizer, Coreldraw, and SAS Planet)
Personal Information
- Place/Date of Birth : Jakarta, 03-12-1986
- Gender : Male
- Status : Married
- Blood Type : A+
- Religion : Christian Protestant
- Citizen : Indonesia
Training
- Training exploration, drilling, and sampling with JORC 2004 (Joint Ore Reserve Committee) code/method, 2010-01-01
- Database geology Training, 2010-01-01
- Petrel Program, 2011-01-01
- Minex 6 Software Training, 2011-01-01
- Drill Blast Entry Training, 2012-01-01
- Geotechnical analysis system, and monitoring, 2012-01-01
- Prinasa Training, 2012-01-01
- Pra POP and JSEA Training, 2012-01-01
- Safety First Training, 2013-01-01
- Mud School as Drilling Fluid Engineer, 2021-01-01
- Training Slope Stability Monitoring Utilizing Radar Technology, 2023-01-01
- Training Awareness QHSE (ISO 9001: 2015, ISO 14001:2015, ISO 45001:2018, Risk Management SMK3, JSA, HAZOP, BOWTIE, FMEA, FTA, Basic Risk Management), 2023-01-01
- Mapping with Technology Drone (Basic and advanced Level 2), 2020-03-01
- Pengawas Operasional Madya (POM), 2020-04-16
- Awareness QHSE, 2023-04-10
Additional Information
- POP (Pengawas Operasional Pertama) Certificate and Trainning.
- POM (Pengawas Operasional Madya) Certificate and Trainning.
- Mining Software (Minex, Minescape, Micromine, Surpac, and ArcGIS).
- Geotechnical Software (Slide, Plaxis, and Geostudio).
- Mud School as Drilling Fluid Engineer Certificate and Trainning.
Interests
Open Pit Geotechnical
Mining Operational
Exploration
Drilling Fluid Properties and System
Timeline
Technical Advisor (Geology,Geotechnical & Mining)
PT.Rafansa Timorra Persada
08.2025 - Current
Drilling Fluids Engineer
PT.Mitra Mandiri Saktitama
08.2024 - 08.2025
Project Manager (PJO-Penanggung Jawab Operasional)
PT.Antam Resourcindo
06.2023 - 08.2024
Senior Manager Geotechnical & Geology Engineering - Technical Engineering Department
PT.Binuang Mitra Bersama Blok Dua (MCI - Group)
09.2022 - 06.2023
Senior Geotech & Geology Engineer - Engineering Project Planning Department
PT.Bhumi Rantau Energi
10.2021 - 09.2022
Mud Logging Engineer - Operational Department
PT.Adiguna Cakra Semesta
02.2019 - 10.2021
Superintendent Mine Geotechnical & Geology Operation - Technical Services Department
PT.Asmin Koalindo Tuhup
02.2013 - 02.2019
Senior Geotech & Mine/Pit Geologist (Technical Services and Operation Department)
PT.Darma Henwa,Tbk.
10.2011 - 01.2013
Mud Logging Engineer - Operational Department
PT.Sinar Surya Graha Persada
08.2010 - 09.2011
Jr.Supervisor - Geology and Geotech Exploration Department
PT.Global Nusantara Resources
07.2010 - 12.2010
Geology Student Trainee Program - Geology Department
PT.Berau Coal,Tbk
02.2010 - 07.2010
Senior High School - undefined
SMAN 1 Cipocok Jaya
Junior High School - undefined
SLTPS 1 Mardi Yuana
Bachelor of Science - Geology Engineering, Faculty of Mineral Technology
Universitas Pembangunan Nasional "Veteran"