MELISSA RAMIREZ VALLES
Ciudad Juárez, Chihuahua
Summary
Professional Purchasing expert with proven track record in optimizing procurement processes and driving cost efficiencies. Strong focus on team collaboration, achieving results, and adapting to changing needs. Skilled in vendor negotiation, inventory management, and strategic sourcing. Reliable and flexible with deep understanding of supply chain dynamics and market trends.
Overview
9
9
years of professional experience
Work History
PURCHASING SUPERVISOR
JOHNSON CONTROLS
Ciudad Juárez, Chihuahua, Mexico
08.2024 - 07.2025
- Monitored supplier performance metrics regularly to identify areas of improvement and maintain accountability standards.
- Developed and maintained vendor relationships, ensuring quality and reliability of supplies.
- Provided guidance and support to junior team members, fostering professional growth and development in their procurement careers.
- Organized training sessions for staff to enhance skill development in procurement processes and software applications.
- Implemented a centralized purchasing system to streamline operations and reduce duplicate efforts across departments, due FCST accuracy reducing XSS over 45%.
- Utilized data analysis tools to track spending patterns, identify inefficiencies within current practices, allowing adjustments to be made proactively.
- Established long-term contracts with key suppliers, resulting in more advantageous pricing structures and improved partnerships.
- Developed inventory management strategies, reducing stock discrepancies and minimizing waste.
BUYER SR
JABIL
Guadalajara, Jalisco, Mexico
08.2023 - 08.2024
- Developed strategic sourcing strategies to optimize supplier relationships and reduce costs.
- Achieved cost savings by implementing strategic sourcing and supplier negotiation $ 319k USD during FY24.
- Optimized inventory managed practices, reducing excess stock and minimizing carrying costs.
- Reduced lead times developing local suppliers instead Asia suppliers.
- Responsible to decrease Non Conformance Material over $ 68k USD with 2 years aging through negotiation with suppliers and plant controller to split liability.
- Led vendor negotiations to optimize supply chain efficiency and reduce costs.
SUPPLY CHAIN COORDINATOR
SANMINA
Guadalajara, Jalisco
03.2022 - 07.2023
- Proved successful work during Business Transfer from US, within tight deadlines.
- Analyze inventory to transfer per stage, over 4,000 materials considering best recovery date to ensure CTB accurately and efficiently.
- Responsible for creation of procedures to meet Medical International Regulations.
- Developed and enforced policies and procedures in compliance with local and federal regulations.
- Optimized warehouse space utilization, consolidating stock and improving overall organization.
- Coordinated logistics and inventory management to optimize supply chain processes.
NPI BUYER
FOXCONN
Juárez, Chihuahua
03.2018 - 02.2022
- Responsible for planning raw material requirements.
- Coordinate buyers and suppliers prior NPI kick off to ensure deliveries for NPI.
- Expedite requirements of materials to meet CTB date.
- Collaborated with internal departments to better understand needs and determine purchasing requirements.
- Maintained complete documentation and records of all purchasing activities.
- 45 NPI Dashboards management per Fiscal Year, 150 - 300 PN for each of them for new waves and refresh platforms.
- Analyzed market trends to optimize purchasing strategies and align with production demands.
BUYER
EATON
Ciudad Juárez, Chihuahua
09.2016 - 03.2018
- OOR Management approximately 500 lines.
- Supplier Management.
- Procure components for company product to meet production demands.
- Expedite receiving process to ensure prompt and correct receipt of products.
- Supervising and training up junior staff.
- Collaborated with internal departments to better understand needs and determine purchasing requirements.
- Managed supplier relationships to ensure timely delivery and quality compliance.
Education
MBA - Administration
UACJ
Juárez, Chihuahua05.2020
BS - Education
UACJ
Juárez, Chihuahua05.2014
Skills
- Supply Chain Optimization
- Demand and Forecasting
- ERP System Knowledge
- Strategic Sourcing
- Cost Reductions
- Supplier Negotiations
- Client Relationship Management
- Global Transportations Logistics
Languages
English
Bilingual or Proficient (C2)
SOFTWARE
- SAP
- KINAXIS
- ORACLE
- POWER BI
- LEAN DNA
INDUSTRIAL EXPERIENCE
- Aerospace
- Electronic
- Medical
- Metal Mechanic
- Molding - Plastics
- Telecommunication
REFERENCES
Materials Manager, Foxconn
Sofia Estrada
+52 656 200 0052
Materials Director, Sanmina
Jassier Rivera
+52 33 3956 5316
Timeline
PURCHASING SUPERVISOR
JOHNSON CONTROLS
08.2024 - 07.2025
BUYER SR
JABIL
08.2023 - 08.2024
SUPPLY CHAIN COORDINATOR
SANMINA
03.2022 - 07.2023
NPI BUYER
FOXCONN
03.2018 - 02.2022
BUYER
EATON
09.2016 - 03.2018
BS - Education
UACJ
MBA - Administration
UACJ