Supply Chain Data Analyst
Resume:
SIERA POLK
*******@*****.***
Professional Summary
Results-driven Analyst with over a decade of experience in Data Integrity, Purchasing/Procurement, and Inventory/Supply Chain Management. Proven track record in implementing technical ERP software, managing numerous projects, and driving cost-saving solutions. Eager to contribute my analytical expertise with your organization as an Analyst.
Skills
●ERP Systems: SAP (S4 Hana/Fiori - MDM, MDG), Oracle (RMS/EBS, Retail), Zycus (Procurement/Contracts)
●Reporting Tools: OBIEE, SQL Developer, Micro Strategy, Power BI, Tableau, ThoughtSpot
●Software: Legacy/Mainframe, OS400, Systems, Linux
●Programs: PeopleSoft, SRM, Salesforce, SysAid, Fresh Desk, Service Now
Education
●Northwood University - Bachelor of Science in Business Management and Administration (Honors)
Accolades
●National Society of Collegiate Scholars
●HPOC - Doctorate of Natural Medicine - Pursuing
Certifications
●Six Sigma Greenbelt Certified (SSGBC) & Six Sigma Blackbelt Certified (SSBBC)
●SQL Developer Certification
●Project Management – Lean Process Certified (PMLPC)
●Executive Management Certified
Experience
Varsity Spirits
Master Data Analyst (SAP ERP Implementation) - Galileo Project
October 2022 – February 2025
Procurement & Master Data Management
●Vendor & Customer Data Governance: Maintained and validated Vendor/Customer Master Data in SAP, Salesforce, and legacy systems, ensuring accuracy for procurement, invoicing, and compliance.
●Procurement Analytics: Leveraged VLOOKUP/XLOOKUP, Power BI, and Tableau to analyze supplier performance, spending trends, and contract compliance, enabling data-driven procurement decisions.
●SAP Material Master Management: Created and updated Material Master Records in SAP, ensuring seamless procurement workflows and accurate inventory tracking.
●Financial Data Cleansing: Executed month-end financial reporting and data validation to support procurement audits, cost savings initiatives, and supplier payment accuracy.
●Procurement System Migration: Prepared and cleansed large datasets for migration into SAP and Snowflake, improving procurement data integrity and reporting efficiency.
Procurement Support & Process Improvement
●Vendor Support Coordination: Managed and prioritized Jira support tickets for procurement systems (SAP/Salesforce), resolving vendor onboarding and payment discrepancies.
●Procurement SOPs & Training: Developed standard operating procedures (SOPs) and training materials for procurement teams, streamlining vendor setup, purchase order approvals, and contract compliance.
Toyota Motors North America Headquarters
SAP Master Data Analyst (SAP ERP Implementation) - IT/Finance & Accounting
August 2019 - October 2022
Procurement Data Integrity & SAP Governance
●Procurement System Implementation: Partnered with Finance and Accounting to ensure vendor/master data accuracy during SAP S/4HANA migration, reducing procurement errors by 63% post-go-live.
●Spend & Vendor Analytics: Performed pivot tables, XLOOKUP/VLOOKUP, and ad-hoc analyses in Excel to audit supplier contracts, track spend compliance, and identify cost-saving opportunities.
●SOX & Procurement Compliance: Managed quarterly/annual SOX audits for vendor data, ensuring adherence to procurement and finance policies. Updated Toyota vendor banking/loan documents to mitigate payment risks.
●Procurement Process Documentation: Developed SOPs, training manuals, and system flow diagrams for vendor onboarding, purchase order workflows, and SAP master data management—cutting onboarding time by 40%.
Procurement Systems Testing & Vendor Master Management
●UAT/SIT for Procurement Modules: Wrote user stories and test scripts to validate SAP procurement functionality (e.g., vendor creation, P2P workflows), ensuring zero defects at go-live.
●Vendor Data Stewardship: Cleansed and validated 10K+ vendor/customer records in SAP, resolving discrepancies in banking details, tax IDs, and payment terms. Monitored interfaces to prevent procurement delays.
Nucor Steel Corporation
Oracle Business Analyst (Oracle ERP Implementation) - Steel Manufacturing
September 2016 – August 2019
Oracle Procurement & Supply Chain Implementation
●Led procurement and inventory data migration from legacy systems to Oracle ERP for Nucor Steel Mills, ensuring accurate vendor records, purchase orders, and inventory data for seamless procurement operations.
●Developed BI dashboards and procurement analytics reports to track supplier performance, spend analysis, and PO accuracy—enabling data-driven procurement decisions.
●Managed user security roles in Oracle, ensuring proper access controls for procurement teams (e.g., requisition approvals, vendor management).
Procurement Systems Testing & Training
●Validated procurement test scripts in Oracle OATS, ensuring error-free PO processing, vendor creation, and 3-way matching before go-live.
●Led SIT/UAT testing for procurement modules, reducing post-launch invoice discrepancies by 75%.
●Trained 200+ end users on Oracle procurement workflows, including PO creation, vendor management, and inventory reconciliation, accelerating adoption by 8 weeks.
Army & Air Force Exchange Service (AAFES)
Allocations and Inventory Analyst - Corporate Military Retail
November 2008 to September 2016
Strategic Procurement & Contract Leadership
●Procurement Operations: Generated 300,000+ purchase orders in Oracle with 98%+ accuracy, ensuring seamless supply of goods/services across 39 product subclasses (representing 50% of company revenue).
●Supplier & Contract Governance: Managed high-value supplier contracts, including SLAs, BTAs, and annual vendor agreements, mitigating risk and ensuring compliance with procurement policies.
●Cost Savings Leadership: Drove $6.7M gross margin improvement through strategic promotion planning, vendor negotiations, and inventory optimization.
Procurement Systems & Process Optimization
●Oracle Procurement SME: Trained 100+ Planning/Merchandising staff on procurement workflows, reducing manual workload by 80% and accelerating order processing.
●Procurement Tech Adoption: Selected for Merchandise Management Academy—developed executive-level leadership skills and led Toastmasters training to improve cross-functional procurement communications.
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