Sheila Ricard Durisseau
The Woodlands
Summary
Procurement and operations professional with 15+ years of experience in purchasing, invoice reconciliation, and financial accuracy within the energy sector. Skilled in high-volume transaction processing, contract interpretation, and cost validation. Known for strong analytical thinking, attention to detail, and ability to resolve discrepancies while supporting compliance and data integrity.
Overview
12
12
years of professional experience
1
1
Certification
Work History
Front Office & Operations Support
GeoSouthern Energy Corporation
The Woodlands
08.2022 - Current
- Managed front-facing operations by handling calls, welcoming visitors, and overseeing daily office functions.
- Manage mail, FedEx shipments, and interoffice distribution
- Coordinate office and breakroom supply ordering, stocking, and logistics
- Maintain shared resources including pool vehicle scheduling
- Liaised with property management to submit and track repair requests via IMPAK.
Risk Management Analyst
TeleTech, Inc.
Remote
07.2020 - 06.2021
- Maintained compliance documentation and records to ensure policy adherence
- Executed contract negotiation
- Analyzed risk data to identify potential vulnerabilities in operations.
- Developed strategies to mitigate financial and operational risks effectively.
- Collaborated with cross-functional teams to enhance risk management processes.
Category Buyer - Vendor Excellence
Voestalpine Böhler
Sugar Land
12.2019 - 03.2020
- Oversaw vendor onboarding and ensured compliance with contracts while tracking service performance
- Conducted thorough contract reviews to identify compliance issues and ensure adherence to agreements
- Managed supplier relationships to ensure effective communication and collaboration.
- Analyzed market trends to support strategic sourcing decisions and initiatives.
- Developed and implemented purchasing strategies for optimal inventory management.
Regional Purchasing & Warehouse Manager
Montauk Energy / Montauk Renewables
Houston
07.2016 - 06.2019
- Led purchasing for operations, inventory, and projects, ensuring timely material and service availability to meet operational demands
- Managed full purchasing lifecycle across multiple facilities, including sourcing, vendor selection, contract creation, purchasing, and invoice validation
- Issued purchase orders and vendor agreements, ensuring alignment with scope, pricing, and contract terms
- Reviewed high-value invoices, verifying accuracy and resolving discrepancies to facilitate timely payments
- Maintained accountability for $4M+ in inventory, ensuring alignment between physical assets and financial records
- Generated RFQs and evaluated vendors to identify suitable materials and solutions.
- Tracked purchasing activity and expenditures to enable accurate reporting and enhance operational oversight
Purchasing & Office Operations Manager
Montauk Energy / Montauk Renewables
Houston
12.2013 - 07.2016
- Coordinated purchasing and office operations across corporate and field environments
- Generated RFQs and issued purchase orders to fulfill operational and facility requirements
- Managed vendor agreements and collaborated with accounting on invoice processing and coding
- Tracked purchases and maintained records to support financial reporting and audits
Education
Google Project Management Certificate -
Coursera
01-2024
B.S. - Business Administration (Management & Leadership)
Franklin University
01-2023
A.A.S. - Business Management
Eastern Gateway Community College
01-2021
Supply Chain & Logistics Certificate -
Rutgers University
01-2019
A.A. - History
Lone Star College
01-2011
Skills
- Procurement & Purchasing
- Vendor & Contract Management
- Billing Support
- Operational Efficiency
- Budget Management
- Data Tracking & Recordkeeping
- Research & Analysis
- Cross-Functional Coordination
Certification
- Google Project Management Certificate, Coursera, 2024
- Supply Chain & Logistics Certificate, Rutgers University, 2019
Systems And Tools
- SAP
- Oracle
- PeopleSoft
- Microsoft Dynamics
- QuickBooks
- SharePoint
- DocView
- MS Office
- Teams
- ERP/MRP Systems
Earlier Roles
- CRC-Evans Pipeline - Invoicing & Contract Administration
- Sercel (CGG Veritas) - Rental Agreements & Contracts
- GE Capital IT Solutions - Inside Sales and Support
- Panhandle Eastern - Environmental Compliance
Timeline
Front Office & Operations Support
GeoSouthern Energy Corporation
08.2022 - Current
Risk Management Analyst
TeleTech, Inc.
07.2020 - 06.2021
Category Buyer - Vendor Excellence
Voestalpine Böhler
12.2019 - 03.2020
Regional Purchasing & Warehouse Manager
Montauk Energy / Montauk Renewables
07.2016 - 06.2019
Purchasing & Office Operations Manager
Montauk Energy / Montauk Renewables
12.2013 - 07.2016
Google Project Management Certificate -
Coursera
B.S. - Business Administration (Management & Leadership)
Franklin University
A.A.S. - Business Management
Eastern Gateway Community College
Supply Chain & Logistics Certificate -
Rutgers University
A.A. - History
Lone Star College