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I’m Luis Alberto Quijada González, a bilingual Data Analyst and Operations Specialist with 18+ years of experience managing complex operational and financial datasets in the energy sector at PDVSA. My day-to-day work has included auditing technical execution and billing verification, validating vendor data, and producing management-ready reports using SAP MM and SAP FI alongside advanced Excel. I enjoy turning detailed documentation and system outputs into clear, accurate insights—especially when it comes to identifying deviations, grading proposals, and ensuring compliance to strict guidelines. Today, I’m also applying my analytical background to freelance data annotation, search evaluation, and AI training work, bringing native Spanish fluency and strong English comprehension for high-quality review and labeling.…I’m Luis Alberto Quijada González, a bilingual Data Analyst and Operations Specialist with 18+ years of experience managing complex operational and financial datasets in the energy sector at PDVSA. My day-to-day work has included auditing technical execution and billing verification, validating vendor data, and producing management-ready reports using SAP MM and SAP FI alongside advanced Excel. I enjoy turning detailed documentation and system outputs into clear, accurate insights—especially when it comes to identifying deviations, grading proposals, and ensuring compliance to strict guidelines. Today, I’m also applying my analytical background to freelance data annotation, search evaluation, and AI training work, bringing native Spanish fluency and strong English comprehension for high-quality review and labeling.

LUIS ALBERTO QUIJADA GONZÁLEZ

Data Analyst, Data Annotator, Data Visualizer, +1

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I’m Luis Alberto Quijada González, a bilingual Data Analyst and Operations Specialist with 18+ years of experience managing complex operational and financial datasets in the energy sector at PDVSA. My day-to-day work has included auditing technical execution and billing verification, validating vendor data, and producing management-ready reports using SAP MM and SAP FI alongside advanced Excel. I enjoy turning detailed documentation and system outputs into clear, accurate insights—especially when it comes to identifying deviations, grading proposals, and ensuring compliance to strict guidelines. Today, I’m also applying my analytical background to freelance data annotation, search evaluation, and AI training work, bringing native Spanish fluency and strong English comprehension for high-quality review and labeling.…I’m Luis Alberto Quijada González, a bilingual Data Analyst and Operations Specialist with 18+ years of experience managing complex operational and financial datasets in the energy sector at PDVSA. My day-to-day work has included auditing technical execution and billing verification, validating vendor data, and producing management-ready reports using SAP MM and SAP FI alongside advanced Excel. I enjoy turning detailed documentation and system outputs into clear, accurate insights—especially when it comes to identifying deviations, grading proposals, and ensuring compliance to strict guidelines. Today, I’m also applying my analytical background to freelance data annotation, search evaluation, and AI training work, bringing native Spanish fluency and strong English comprehension for high-quality review and labeling.

Available to hire

I’m Luis Alberto Quijada González, a bilingual Data Analyst and Operations Specialist with 18+ years of experience managing complex operational and financial datasets in the energy sector at PDVSA. My day-to-day work has included auditing technical execution and billing verification, validating vendor data, and producing management-ready reports using SAP MM and SAP FI alongside advanced Excel.

I enjoy turning detailed documentation and system outputs into clear, accurate insights—especially when it comes to identifying deviations, grading proposals, and ensuring compliance to strict guidelines. Today, I’m also applying my analytical background to freelance data annotation, search evaluation, and AI training work, bringing native Spanish fluency and strong English comprehension for high-quality review and labeling.

Skills

Data Visualization

Data Science

Experience Level

Data Visualization

Expert

Data Science

Expert

Language

Spanish; Castilian

Fluent

English

Advanced

Work Experience

Contract Administration Supervisor / Data & Cost Analyst at PDVSA Petróleo, S.A.

July 1, 2005 - Present

Manage the full lifecycle of operational and financial datasets, including auditing technical execution, verifying billing, and monitoring compliance parameters. Use SAP MM (Services) and SAP FI modules to audit vendor/service data, track project milestones, and certify services precisely. Convert complex operational metrics into weekly management reports and localized databases to support executive decisions. Review and grade commercial and technical vendor proposals during bidding to ensure adherence to international procurement standards. Act as the primary technical contact to resolve data, delivery, and system discrepancies, ensuring accuracy across cross-functional operations.