Siobhan Wallis
USA SHOWERS
Tempe,USA
1
Language
6
years of professional experience
Dynamic procurement and sourcing specialist with over 8 years of experience and a proven track record at Clearway Energy, adept in payment reconciliation and team collaboration. Successfully optimized inventory management systems, enhancing stock levels and reducing costs. Committed to driving strategic innovation and elevating team performance through comprehensive training programs.
Work History
Accounts Assistant
3 Months- Supported accounting team through clerical tasks, ensuring smooth departmental operations.
- Managed client communications via phone and email, addressing inquiries to enhance client satisfaction.
- Facilitated customer payments through effective invoicing and follow-up procedures. from customers with timely invoicing and follow-up on past-due accounts.
- Reconciled monthly bank statements, identifying discrepancies and improving accuracy of financial reporting.
- Assisted in payroll preparation, ensuring compliance with legal requirements and internal policies.
- Managed accounts payable and receivable processes to ensure timely payments and accurate financial records.
Procurement/Sourcing Specialist
1 Year 5 Months- Analyzed market trends to identify cost-saving opportunities and assess supplier performance metrics.
- Collaborated with cross-functional teams to streamline procurement workflows and enhance communication efficiency.
- Established and maintained relationships with key suppliers, ensuring alignment with organizational goals and standards.
- Mentored junior staff on best practices in sourcing methodologies and vendor management techniques.
- Utilized ERP systems to track inventory levels, forecast demand, and manage supplier orders effectively.
- Conducted market research to identify new suppliers and evaluate their capabilities, leading to better-informed decision-making in procurement activities.
MRO Buyer
4 Years 7 Months- Implemented inventory management systems, optimizing stock levels and reducing carrying costs.
- Conducted supplier performance evaluations, identifying areas for improvement and potential cost savings.
- Ensured compliance with laws, regulations, and internal policies governing procurement activities.
- Negotiated contracts with suppliers to optimize purchasing costs and improve supply chain efficiency.
- Analyzed inventory levels and forecasting data to ensure timely procurement of MRO materials.
- Developed and maintained supplier relationships to enhance product quality and service reliability.
Education
Bachelor of Science - Supply Chain Management
Skills
Payment reconciliation
Financial reporting
Bank reconciliation
ERP systems (Epicor
SAP
E21
Coupa)
Accounts payable
Microsoft Excel
Time management
Team collaboration
Languages
English (Native)
Timeline
Accounts Assistant
USA SHOWERS
04.2026 - 07.2026Read More
Procurement/Sourcing Specialist
Clearway Energy
11.2024 - 04.2026Read More
MRO Buyer
Modern Industries
03.2020 - 10.2024Read More
Grand Canyon University
Bachelor of Science from Supply Chain Management
Read More