Esther Waithera Wanjiku
Nairobi,30
Summary
Experienced professional with a robust background in data entry and database management, proficient in Nexus System and SAP (PCS) operations. Adept at administrative and office support, bank reconciliation, bookkeeping, financial reporting, and accounts support. Skilled in procurement and supply chain support, records and document management, invoicing and billing systems, data analysis and reporting. Expertise in Microsoft Office applications including Excel and Word. Demonstrates exceptional ability in handling confidential data with strong communication and team collaboration skills.
Overview
4
4
years of professional experience
2025
2025
years of post-secondary education
1
1
Certification
Work history
Data Entry Clerk
DWG Fin Sprint (Oil & Gas Company)
2025.10 - 2026.04
- Accurately input, update, and maintain operational and financial data including production figures, fuel inventory, logistics records, and compliance reports.
- Process and capture customer and internal orders using the Nexus System and SAP (PCS), ensuring timely and accurate data entry.
- Monitor and track order progress within both systems, ensuring smooth workflow from order placement to fulfillment.
- Verify and validate data by cross-checking entries against source documents and correcting discrepancies.
- Maintain detailed and well-organized digital records for easy retrieval and reporting.
- Generate system-based reports to support inventory management, operational planning, and financial reconciliation.
- Assist in reconciling system data with physical inventory and financial records to ensure accuracy.
- Perform routine data audits to ensure completeness, consistency, and compliance with company standards.
- Track fuel stock movements, deliveries, and usage patterns to support inventory control.
- Collaborate with logistics, procurement, engineering, finance, and safety departments to ensure data alignment.
- Support regulatory compliance by maintaining accurate and up-to-date records.
- Identify inefficiencies in data processes and recommend improvements to enhance productivity.
- Ensure strict confidentiality and security of sensitive company information.
Administrative Assistant / Data Entry Assistant (Wayleave Files – Casual)
Rural Electrification and Renewable Energy Corporation (REREC)
2024.10 - 2025.09
- Provided administrative and clerical support in the management of wayleave applications and documentation.
- Entered, updated, and maintained wayleave data in organizational databases with high accuracy.
- Managed both physical and electronic filing systems to ensure proper organization and accessibility of records.
- Reviewed wayleave applications to ensure completeness and compliance with regulatory requirements.
- Scanned, archived, and maintained documents in line with institutional standards.
- Conducted routine data verification and quality checks to ensure data accuracy.
- Assisted in preparing reports and summaries on wayleave approvals and project progress.
- Coordinated communication between field teams, surveyors, and administrative offices.
- Ensured timely processing of applications to support project implementation timelines.
- Maintained confidentiality of sensitive land and project-related information.
Administrative Assistant / Procurement Support (Casual)
Rural Electrification and Renewable Energy Corporation (REREC)
2022.11 - 2024.10
- Supported procurement operations including sourcing suppliers, processing purchase requests, and monitoring deliveries.
- Maintained accurate records of procurement transactions such as purchase orders, invoices, and contracts.
- Provided administrative support by organizing procurement documentation and maintaining filing systems.
- Coordinated communication between suppliers and internal departments to ensure smooth procurement processes.
- Assisted in evaluating supplier quotations and preparing comparative analysis reports.
- Monitored stock levels and supported inventory control activities.
- Prepared procurement reports and tracked orders to ensure timely delivery.
- Supported contract management processes by maintaining proper documentation and compliance records.
- Assisted in resolving procurement discrepancies and supplier-related issues.
Finance Intern
Rural Electrification and Renewable Energy Corporation (REREC)
2022.08 - 2022.10
- Prepared and processed requisition vouchers ensuring accuracy and proper approvals.
- Maintained and updated daily cashbooks and financial records.
- Managed petty cash disbursement and tracked expenditures.
- Performed bank reconciliation to ensure alignment between financial records and bank statements.
- Assisted in preparing financial reports and summaries.
- Supported accounts payable and receivable processes.
- Organized financial documentation for audit and compliance purposes.
- Provided general administrative support within the finance department.
Accounts Attaché
Kenyatta National Hospital
2022.05 - 2022.08
- Processed patient billing and ensured accurate invoicing of medical services.
- Maintained books of accounts and financial records in compliance with accounting standards.
- Conducted regular bank reconciliation and financial checks.
- Managed debtor and supplier accounts, ensuring timely updates and follow-ups.
- Assisted in preparing financial reports and statements.
- Supported daily financial and administrative operations within the department.
- Maintained confidentiality of sensitive financial and patient information.
Education
Diploma - Land Surveying
Regional Centre Training Institute (RCTI)
NAIROBI 2025.01 - 2027.01
Diploma - Banking and Finance
East Africa Institute of Certified Studies
Nairobi 2020.01 - 2022.01
Kenya Certificate of Secondary Education (KCSE) - HIGH SCHOOL
Ngecha Girls High School
KIAMBUSecondary Education -
Musa Gitau Girls High School
KIAMBU 2016.01 - 2018.01
Skills
- Data Entry & Database Management
- Nexus System & SAP (PCS) Operations
- Administrative & Office Support
- Bank Reconciliation & Bookkeeping
- Financial Reporting & Accounts Support
- Procurement & Supply Chain Support
- Records & Document Management
- Invoicing & Billing Systems
- Data Analysis & Reporting
- Microsoft Office (Excel, Word)
- Confidential Data Handling
- Communication & Team Collaboration
Certification
- KIEP-SKIES Rapid Tech Skills Program
- April 2024 – August 2024
- Mama Ngina University College
- Skills Acquired:
- Web Development
- Data Science
- Cybersecurity
Affiliations
- Student Captain – Musa Gitau Girls High School
- Christian Union Official – Musa Gitau Girls High School
- Secretary General – East Africa Institute of Certified Studies (Nairobi Campus)
- Executive Member – Kenya Economics Students Association
Languages
English
Intermediate
REFEREES
- Ruth, Wambui, Lecturer, +254 713 738 090, St Paul’s University
- Alex, Mwangi Wainaina, Architect, alexmwangi221@gmail.com, +254 724 925 023, Ecotecture
INTERESTS
Writing, Coding, Reading, Photography, Media
Timeline
Data Entry Clerk
DWG Fin Sprint (Oil & Gas Company)
2025.10 - 2026.04
Diploma - Land Surveying
Regional Centre Training Institute (RCTI)
2025.01 - 2027.01
Administrative Assistant / Data Entry Assistant (Wayleave Files – Casual)
Rural Electrification and Renewable Energy Corporation (REREC)
2024.10 - 2025.09
Administrative Assistant / Procurement Support (Casual)
Rural Electrification and Renewable Energy Corporation (REREC)
2022.11 - 2024.10
Finance Intern
Rural Electrification and Renewable Energy Corporation (REREC)
2022.08 - 2022.10
Accounts Attaché
Kenyatta National Hospital
2022.05 - 2022.08
Diploma - Banking and Finance
East Africa Institute of Certified Studies
2020.01 - 2022.01
Secondary Education -
Musa Gitau Girls High School
2016.01 - 2018.01
Kenya Certificate of Secondary Education (KCSE) - HIGH SCHOOL
Ngecha Girls High School