Williams Romero-Perez

Experience

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  CTM Centre Tecnològic

  Feb 2010 - Sept 2010

  Research Asistance

  - Execute research activities in the European project AQUAREHAB: “Development of rehabilitation technologies and approaches for multipressed degraded waters and the integration of their impact in river basin management”, where I tested experimental setups, verification, and analytical monitoring of organic contaminants in both surface and groundwater. Effective use of analytical procedures and equipment.- Evaluate materials based on mixtures of activated carbon mixtures and calcium carbonate as adsorbents of triazines (contaminants) present in groundwater, in order to simulate future adsorption materials based on mixtures of limestone sand, lime, and activated carbon. Show less

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  Tenaris

  Apr 2011 - Jun 2012

  Quality Assurance Analyst

  - Maintained policy, procedures, work instructions, and projects for quality and continuous improvement agendas.- Promoted company in maintaining a work environment focused on quality, communication, collaboration, integration, and teamwork.- Recommended improvements to systems and procedures for increased productivity.- Created, edited, and updated project manuals and technical documentation used by the entire QA team.- Implemented internal auditing practices to create standards and statutory obligation compliance reports.- Constructed tools for auditing teams to complete compliance assessments.- Devised strategic and operational planning to evaluate client outcomes with the quality management team.- Kept abreast of regulatory requirements from accrediting bodies and federal, state, and local statutes. Show less

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  Refineria de Cartagena-Reficar

  Jun 2012 - Mar 2020

  Internal Audit Professional (Chemical Process)

  - Take part in the Internal Audit Department for Colombia’s largest Oil Refinery modernization and expansion project.- Execute the Internal Audit Plan by developing audit programs for the refinery processes, leading and executing additional audit assignments such as inventories of raw materials and products, volumetric and mass balances, production scheduling, proactive, maintenance, plant starts up, and shutdowns, regarding the EPC Contract (Engineering, Procurement, and Construction) established with main project contractor.- Worked with other engineers to respond to product improvements and quality concerns requests.- Oversaw technology reports and documentation and delivered timely updates to upper management. Show less

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  ALS

  Dec 2021 - Aug 2023

  Sample Preparer

  - Maintain the quality of geological samples (rock, drill core, percussion, soils, gold, silver, etc.).- Implement QC processes to support the organization’s continuous improvement plan.- Apply corrective actions after a failed inspection and recalibrate instruments when required.- Diagnose and resolve issues with samples and perform re-run sample procedures if needed.- Inspect final products for compliance with company and client specifications.- Conduct sieving analysis to assess particle size distribution of granular materials.- Evaluate current processes and develop improvements to safety, quality, and efficiency.- Maintain a safe and healthy working environment by implementing policies and procedures. Show less

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  WSP

  Aug 2023 - now

  Laboratory Associate

  - Analyzes various samples in a timely and cost-effective manner.- Participates in relevant proficiency test: + Sample Preparation (Homogenizing samples, Screening, Crushing) + Material Characterization (PSD - Laser particle analyzer, pH determination, Specific Gravity) + Rheology testing (Slump test, Water bleed testing, Viscosity testing) + Dewatering/Settling testing ( Flocculant determination, Dosage and feed screening, Total Suspended Solids - TSS, Yield Stress, water bleed) + Filtration Testing (Vaccum filtration, Belt filtration, Pressure filtration) + Unconfined Compressive Stress (UCS) testing (Casting mix designs, breaking cylinders)- Ensures prompt and accurate testing and report of results.- Maintains equipment calibration, participates in quality audits, identifies, investigates and reports non- conformances to the lab supervisor.- Document all test results electronically and by paper filling using prescribed forms and spreadsheets.- Works on a wide variety of assignments of moderate to large scope and complexity, performing a variety of complex duties. Show less