Larissa A. Rivera
Bay Area,CA
Summary
Results-driven operations professional with expertise in vendor management and procurement. Streamlined onboarding and contract compliance, achieving measurable operational efficiency and cost savings. Fostered strong vendor relationships to ensure alignment with organizational priorities and timely project delivery.
Overview
26
26
years of professional experience
Work History
Vendor Coordinator (Construction/Maintenance)
AMH
Las Vegas, NV
06.2025 - 10.2025
- Streamlined vendor onboarding process to improve setup efficiency and foster collaboration.
- Managed vendor relationships to enhance communication and address support needs.
- Coordinated vendor contracts to ensure compliance and optimize operations.
- Aligned vendor services with operational priorities.
- Ensured documentation met organizational and regulatory requirements.
- Maintained data accuracy across vendor management systems.
- Facilitated issue resolution and communication among vendors, field maintenance, and management.
Purchaser II (MFG and R&D)
Sigray, Inc
Concord, CA
09.2021 - 02.2025
- Procured scientific equipment, raw materials, CNC machined parts, and software licenses.
- Secured competitive pricing through RFQs and RFPs, optimizing budget resources.
- Negotiated pricing structures based on forecasts, enhancing cost management.
- Coordinated purchase order requests, aligning procurement activities with project timelines.
- Accelerated order processing to meet project work scopes and deadlines.
- Facilitated vendor meetings, driving timely achievement of project milestones.
- Acted as key liaison among manufacturing engineering and logistics teams to enhance purchasing coordination.
- Monitored and reported on cost of goods and production capabilities.
Buyer III (Network Procurement)
Wells Fargo Bank
San Francisco, CA
01.2000 - 01.2019
- Managed purchasing of enterprise networking equipment, software, and IT components.
- Secured favorable pricing and quality on purchase orders, resulting in optimized procurement outcomes.
- Monitored inventory levels and supplier performance, ensuring uninterrupted operations.
- Identified solutions to drive cost reductions and avoid unnecessary expenditures.
- Directed procurement and operational support for technology infrastructure, ensuring compliance with business objectives.
- Implemented process improvements, enhancing overall efficiency.
- Led procurement team, fostering collaboration and skill development.
- Created purchase orders for timely delivery of products, supporting multiple internal and external stakeholders.
Education
High School -
Oceana High School
Pacifica, CAFIDM College
San Francisco, CASkyline College
San Bruno, CASkills
- Microsoft Office proficiency
- ERP & Data Management (Oracle, SharePoint, ERPAG, Total ETO)
- CRM and Jira
- Vendor and Supplier Relations
- Process Improvement & Project Coordination
- Documentation Control
- Strong Communication & Problem Solving
- Purchasing & Procurement Administration
- Training & Team Leadership
- Cross-Functional Team Support
- Vendor management and negotiations
- Procurement processes and administration
- Supplier relations and engagement
- Workflow optimization
- Project coordination
- Effective communication skills
- Problem solving strategies
Timeline
Vendor Coordinator (Construction/Maintenance)
AMH
06.2025 - 10.2025
Purchaser II (MFG and R&D)
Sigray, Inc
09.2021 - 02.2025
Buyer III (Network Procurement)
Wells Fargo Bank
01.2000 - 01.2019
High School -
Oceana High School
FIDM College
Skyline College