THOA BARCENAS
San Jose,USA
Summary
Dynamic Senior Purchasing Specialist with a proven track record at Ross Engineering, excelling in inventory oversight and cost analysis. Adept at negotiating favorable terms and optimizing supplier performance, I consistently deliver results under pressure while fostering collaboration across teams. My strong work ethic and problem-solving skills drive successful procurement strategies.
Overview
24
24
years of professional experience
Work History
Senior Purchasing Specialist
Ross Engineering
Campbell, CA
06.2025 - 06.2025
- Collaborated with cross-functional teams to ensure timely delivery of products and services.
- Analyzed product specifications, quality standards, and delivery schedules for optimal sourcing decisions.
- Analyzed vendor performance metrics to evaluate supplier capabilities and reliability.
- Resolved discrepancies between purchase orders and invoices for payment processing purposes.
- Maintained accurate records of all purchases, including item descriptions, quantities purchased, and prices paid.
- Reviewed and approved vendor invoices.
Procurement Buyer
Broadcom
San Jose, CA
09.2013 - 11.2024
- Reviewed purchase orders, contracts and invoices to ensure accuracy.
- Negotiated pricing and delivery terms with suppliers.
- Participated in negotiations with vendors concerning prices, delivery schedules, warranties, and other contractual issues.
- Worked with suppliers to expedite open purchase orders and shipments in transit.
- Requested pricing quotes from suppliers to determine the best source of supply.
- Reviewed work order demand from MRP to support company requirements.
- Evaluated quotations received from prospective suppliers to award purchase orders.
- Monitored inventory levels and identified opportunities for cost savings through volume discounts or alternative suppliers.
- Processed payments for approved invoices promptly and coordinated returns when necessary.
- Purchased quality merchandise at the lowest price and correct amounts.
- Sourced new vendors and suppliers to boost product offerings and increase profit margins at each store location.
- Implemented strong product marketing strategies by collaborating with sales teams.
- Analyzed purchase requisitions and prepared purchase orders.
- Tracked product and supply inventories and reported findings to supervisors.
- MRP system experience and knowledge (SAP, Oracle).
- FormFactor: Managed the procurement and installation of machines for the R&D team, resulting in a 20% increase in production efficiency.
- Keysight Technologies: The CAPEX investment achieved improved quality of Spectrum Analyzer equipment.
- Amkor Technology Korea Inc: Probe cards purchase for testing semiconductor waters.
- Interconnect Devices Inc: Assist an urgent request for Test sockets which is a crucial part of the manufacturing process.
- Agilent Technologies, Inc.: Completed Instrument trade-in and buyback program.
Materials/Procurement Buyer
Maxim Integrated
San Jose, CA
06.2001 - 11.2013
- Monitored inventory levels to ensure the availability of products for customers.
- Coordinated activities between departments such as sales, engineering, finance, and logistics.
- Collaborate with engineering, operations, and finance on managing quarterly R&D operating expenses- collecting forecasts, reviewing liabilities, and monitoring actual spending to ensure adherence to financial plans.
- Analyze and report on variances, providing insights and recommendations for cost optimization.
- Manage R&D purchase requisitions and purchase orders for components, assembly and test, wafers, tooling, outsourced R&D work, lab services, etc. working closely with engineers.
- Vendors, and procurement teams for on-time deliveries, invoice processing, and PO closure.
- Reviewed purchase orders, contracts, and invoices to ensure accuracy.
- Negotiated pricing and delivery terms with suppliers.
- Ensured compliance with government regulations regarding purchasing activities.
- Assisted in developing sourcing plans by researching new products and suppliers that meet organizational requirements.
Education
Computer Programming, Computer Technician
Computer Business College
02.2009
GED -
American High School
Fremont, CA04.1989
Skills
- Inventory Oversight
- Payment Processing
- Pricing knowledge
- Cost analysis
- Multi-tasking strength
- Problem-solving skills
- Time management
- Works well under pressure
- Supply chain and resource management
- Multitasking abilities
- Independent worker
- Reliable and trustworthy
- Good work ethic
- Inventory
- Procurement planning
- RMA return
- Task prioritization
- Adaptability and flexibility
- Teamwork and collaboration
- Purchase order processing
- Supplier research
Websites
Timeline
Senior Purchasing Specialist
Ross Engineering
06.2025 - 06.2025
Procurement Buyer
Broadcom
09.2013 - 11.2024
Materials/Procurement Buyer
Maxim Integrated
06.2001 - 11.2013
Computer Programming, Computer Technician
Computer Business College
GED -
American High School
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