Andrea Sierra
Mesa
Summary
Motivated professional with a strong work ethic and exceptional interpersonal skills. Proven ability to adapt quickly to new challenges and master new skills independently. Detail-oriented buyer with expertise in compliance oversight and inventory control. Committed to contributing effectively to team objectives and supporting organizational success.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Buyer
21st Century Healthcare
Tempe
03.2025 - Current
- Coordinated inventory levels to ensure optimal stock for label/material.
- Established relationships with suppliers to negotiate favorable prices and shipment terms.
- Processed purchase orders efficiently using company procurement system.
- Communicated with internal teams to forecast product needs and availability.
- Resolved any discrepancies between purchase orders and actual material receipts.
- Partnered with suppliers to expedite fulfillment of open purchase orders.
- Requested pricing quotes from suppliers to identify best source of supply.
- Maintained comprehensive purchase records, detailing item descriptions, costs, quantities ordered, and quantities received.
- Worked closely with suppliers to ensure that material/label met required specifications.
Quality Assurance Specialist
21st Century Healthcare, Inc
Tempe
11.2016 - 03.2025
- Collaborated with cross-functional teams to address quality issues effectively.
- Assisted in maintaining documentation for regulatory compliance and audits.
- Coordinated activities with other departments related to product release decisions.
- Maintained knowledge of current industry developments and regulatory requirements for quality assurance purposes.
- Verified accuracy of product documentation such as labels, instructions, warnings.
- Reviewed and approved quality-related documents, ensuring compliance with internal and external standards.
- Participated in technical trainings and workshops to improve skills set and boost overall knowledge.
- Interpreted test results, compared to specifications and control limits and recommended data for release.
- Reviewed customer requirements and specifications to ensure products met standards.
Education
Associate of Applied Science - International Business
Maricopa Community Colleges, Mesa Community College
Mesa, AZ05-2021
Skills
- Inventory management
- Supplier compliance
- Record management
- Detail orientation
- Collaborative teamwork
- Communication effectiveness
Languages
English
Full Professional
Spanish
Native/ Bilingual
Certification
Preventive Controls Qualified Individual - PCQI
Timeline
Buyer
21st Century Healthcare
03.2025 - Current
Quality Assurance Specialist
21st Century Healthcare, Inc
11.2016 - 03.2025
Associate of Applied Science - International Business
Maricopa Community Colleges, Mesa Community College