Myagmarchuluun Byambaa
Ulaanbaatar
Summary
Professional with strong background in accounting, equipped to drive financial accuracy and efficiency. Skilled in financial analysis, budgeting, and regulatory compliance. Known for reliable collaboration with teams and adaptability to changing needs. Excel in delivering results through strategic planning and problem-solving.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Accountant – Financial control
Oyu Tolgoi LLC
01.2025 - Current
- Post & review financial journals on Rehabilitation by using Power BI
- Post Accrual journals to align with Prism
- Reconciliation between SAP & Prism on CAI costs
- MHS 1 & 2 (combined cost approx. USD 501 million - worked alone.
- Supported a wide range of accounting activities, including month-end close procedures, data integrity reviews, and ad-hoc financial analysis.
Senior Accountant - Project
Oyu Tolgoi LLC
01.2025 - 07.2025
- Posting VAT and customs journals using Power BI
- Reviewing journals from team members
- Correcting and posting 204 unique journal entries in SAP to ensure alignment with Prism
- Performing SAP–Prism reconciliations to support package closeout and system cleanout activities.
- Assisted with additional accounting tasks, including month-end processes, data validation, and ad-hoc analysis.
Accountant - Project
Oyu Tolgoi LLC
01.2023 - 01.2024
- Review and validate all incurred cost details to ensure they are accurate, complete, and aligned with project scope and capitalization policies.
- Performed reconciliation between SAP and Prism for both Owner’s and EPCM scopes.
- Reconciliations were completed through package closeout reconciliation and clean-out processes.
- Ensured accuracy for asset capitalization by validating and correcting various data files, reconciling both SAP and Prism systems:
- My key Assets worked on for Reconciliation and Capitalization:
- Shafi 1,2 & 3 (cost approx. USD 280 million) worked alone on SH2, Truck Shop, Fuel Delivery System, Minor WBS packages
- Calculated and validated mobile equipment costs independently: Conducted detailed reconciliation by reviewing SAP and Prism invoice data, packing lists, and supporting documentation.
- Successfully determined USD 240 million in mobile equipment costs, ensuring accuracy and completeness of financial reporting.
- This effort strengthened cost transparency and reliability for major capital assets.
- Corrected and aligned financial journals between SAP and Prism systems:
- In 2023, I processed 170 correction journals to resolve discrepancies in SAP (based on distinct document numbers).
- In 2024, I corrected and posted 252 unique journal entries in SAP (based on distinct document numbers) to ensure accurate alignment with Prism.
- These efforts significantly improved data integrity, consistency, and reliability across core financial systems.
- Collaborated with project control team and asset owners to gather documentation, validate project costs, and ensure alignment with capitalization criteria under IFRS.
Senior Accountant
Takhilt Khairkhan Trans LLC
01.2020 - 01.2023
- Managed general accounting operations to ensure record accuracy.
- Prepared the company’s annual budget, collaborating with department heads to forecast revenues, estimate costs, and align financial plans with business goals.
- Produced monthly and quarterly performance reports, analyzing actual vs. budgeted figures to identify variances and cost-saving opportunities.
- Developed financial forecasts and future reports to guide management in strategic planning and resource allocation.
Customs coordinator
Takhilt Khairkhan Trans LLC
01.2021 - 01.2021
- Coordinated customs clearance processes for exported goods, ensuring compliance with Mongolian customs regulations.
- Implemented occupational health, safety, and environmental (HSE) policies and procedures, and monitored compliance with relevant labor laws.
- Provided daily work instructions and safety briefings to employees within the control area, ensuring strict adherence to safety requirements.
- Assessed workplace risks and implemented corrective and preventive measures to improve working conditions.
Auditor
BDO LLC
01.2017 - 01.2020
- Conducted audits to identify discrepancies and ensure accuracy in financial reports.
- Verified compliance with laws, standards, and internal policies.
- Recommended improvements in financial processes and internal controls.
Education
Bachelor’s Degree - Finance
Osmania University
Telangana, India01.2020
undefined
Mongolian Turkish High School
Ulaanbaatar, Mongolia01.2012
undefined
Erel Russian Middle School
Ulaanbaatar, Mongolia01.2009
Skills
- Languages: English, Russian
- Tools & Software: MS Office, SAP, Diamond Accounting System, ERP, Tableau, Power BI
Certification
- Power BI – ICT training, 2024
- Advanced excel training – ICT training, 2023
- Financial Accounting and Reporting – Mongolian Institute of Public Accountants, 2019
- Big Data Analytics competition – BDO Audit LLC – 2nd place, 2019
- IQ Olympiad, – Ulaanbaatar, Mongolia, 2012, 2013
INTERESTS
Hiking, running, Playing basketball
Timeline
Accountant – Financial control
Oyu Tolgoi LLC
01.2025 - Current
Senior Accountant - Project
Oyu Tolgoi LLC
01.2025 - 07.2025
Accountant - Project
Oyu Tolgoi LLC
01.2023 - 01.2024
Customs coordinator
Takhilt Khairkhan Trans LLC
01.2021 - 01.2021
Senior Accountant
Takhilt Khairkhan Trans LLC
01.2020 - 01.2023
Auditor
BDO LLC
01.2017 - 01.2020
undefined
Mongolian Turkish High School
undefined
Erel Russian Middle School
Bachelor’s Degree - Finance
Osmania University