Summary
Overview
Work history
Education
Skills
Languages
Timeline
Generic
Antonio NGUMA

Antonio NGUMA

NOYAL CHATILLON SUR SEICHE,Brittany

Summary

Experienced Lead Buyer with proven expertise in project procurement and supplier management within Oil & Gas, FPSO, and EPC environments. Strong capability to manage end‑to‑end procurement cycles while ensuring compliance with cost, schedule, quality, and HSE requirements.

Overview

19
19
years of professional experience
26
26
years of post-secondary education

Work history

Lead Buyer

TotalEnergies E&P Angola
Luanda, Rainha Ginga
2023.02 - 2026.04
  • End‑to‑end management of purchasing and supply chain activities for complex industrial projects, including offshore FPSOs (PazFlor, CLOV, Girassol, Dalia, Kaombo.
  • Procurement of goods, equipment, spare parts, services, and chemicals across multiple disciplines:
    Instrumentation, Mechanical Engineering, Electrical Engineering, Production, SAFMAR, field and offshore operations.
  • Issuance and management of RFQs/RFPs, with detailed analysis of technical and commercial proposals, and coordination of Technical Bid Evaluations (TBE) and Commercial Bid Evaluations (CBE).
  • Creation, issuance, and follow‑up of PRs, POs, LOIs, and contracts in SAP, in full compliance with internal procedures and HSE requirements.
  • Management of strategic supplier relationships, including qualification, performance assessment, and continuous improvement (quality, lead times, reliability).
  • Monitoring of manufacturing progress, expediting, inspection, logistics, and delivery, up to final acceptance of equipment.
  • Handling of supplier disputes, non‑conformities, commercial claims, and contractual deviations, ensuring timely resolution and risk mitigation.

Lead Buyer

Azule Energies
Luanda, Marginal
2020.03 - 2023.01
  • Procure goods, materials, components, and services in line with defined objectives for cost, quality, and delivery performance.
  • Act as the main interface between suppliers and internal departments (Engineering, Maintenance, Projects, Finance) to support purchasing processes, new projects, and day‑to‑day operations.
  • Prepare periodic reports and management updates on procurement activities, order status, and supplier performance.
  • Collaborate closely with Purchasing and Supply Chain teams to drive continuous improvement initiatives and support business development.
  • Negotiate contracts and improve pricing and commercial terms with suppliers, applying best practices in negotiation and strategic sourcing.
  • Prepare, issue, and manage Purchase Orders (POs), ensuring accurate follow‑up of delivery schedules and order milestones.
  • Identify, qualify, and source new suppliers and components based on technical, operational, and commercial requirements.
  • Manage supplier disputes and resolve issues related to pricing, quality, delivery delays, or invoicing.
  • Ensure procurement of all materials required for FPSO operations, supporting offshore production activities in Angola.

Lead Buyer

Bumi Armada
Kuala Lumpur, Malaysia, Kuala Lumpur,
2018.01 - 2020.01
  • Manage daily Manage daily operations of the Purchasing and Supply Department, ensuring business continuity and strict compliance with internal procedures and governance.
  • Oversee the full purchasing cycle, including purchase requests, tenders, price comparisons, and analysis of general terms and conditions of sale.
  • Ensure budgetary sustainability by considering the company’s financial situation and operational capacity when contracting goods and services.
  • Evaluate, qualify, and monitor suppliers, ensuring high standards of quality, reliability, and service performance.
  • Coordinate inspection and quality control of materials prior to installation at suppliers’ facilities or storage in warehouses, in collaboration with technical and QA/QC teams.
  • Prepare and distribute monthly delivery reports, including monitoring of delivery deadlines, quantities, and supplier performance status.

Procurement engineer

TotalEnergies
Paris, Toulouse, Pau, Luanda, France
2007.04 - 2018.03
  • Reviewed and validated Material Requisitions (MRs) in close coordination with technical and project teams to ensure compliance with specifications and project needs.
  • Issued Requests for Quotation (RFQs) to approved suppliers in accordance with project procedures, technical requirements, and contractual standards.
  • Monitored and analyzed technical and commercial bids, coordinating and completing the Technical Bid Evaluations (TBE).
  • Finalized General Control Plans (GCPs) and Safety Control Plans (SCPs) in parallel, ensuring full compliance with quality and HSE requirements.
  • Conducted commercial negotiations with technically and commercially qualified suppliers, focusing on cost optimization and delivery schedule compliance.
  • Performed internal verification of cost estimates and budgets, prepared Commercial Bid Evaluations (CBE), and obtained management approvals.
  • Issued Letters of Intent (LOIs) and Purchase Orders (POs) in accordance with the Initial Contractual Specifications (ICV).
  • Organized and facilitated Kick‑off Meetings (KOMs) and Pre‑Inspection Meetings (PIMs) to align suppliers with project expectations and milestones.
  • Monitored technical documentation until completion of each contractual milestone, ensuring traceability and compliance.
  • Processed and monitored supplier payments, working closely with Finance teams to ensure accuracy and timeliness.

Education

Master 1 – International Purchasing - Procurement

Positivo University
Curitiba, Brazil
2009.09 - 2011.09

Bachelor of Business Administration - Administration and Languages

Catholic University of Angola
Luanda, Angola
2002.09 - 2006.09

Certificate of Higher Education - Purchasing & Supply Chain Management, International Procurement & Contracting

Professional Training & Certification
Frankfurt, Pau, Lisbon, Luanda
2005.01 - 2025.03

Skills

1 Purchasing Process Expertise
  • Analysis of technical and commercial requirements
  • Launching and managing RFQs / RFPs
  • Evaluation of offers (technical, commercial, contractual)
  • Negotiation of pricing, lead times, and contractual terms
  • Issuance and follow‑up of Purchase Orders (POs)
2 Negotiation and Cost Optimization
  • Strategic negotiation with local and international suppliers

3 Supplier and OEM Management

  • Supplier and OEM qualification and evaluation
  • Performance monitoring (quality, lead time, compliance)
  • Development of long‑term strategic supplier relationships
4 Technical Understanding
  • Ability to read and analyze technical specifications

5 Contract & Compliance Management

  • Solid knowledge of contractual terms
  • Management of order confirmations

6 Lead Time and Logistics Management

  • Monitoring of manufacturing and delivery lead times
  • Coordination of transport, customs, and international shipping
  • Effective management of urgent and critical situations
7 Communication and Coordination
  • Interface between suppliers, engineering, finance, and operations
  • Clear, structured written and verbal communication
  • Management of supplier follow‑ups and escalations
  • Regular purchasing reporting to management
8 Tools & Systems
  • Proficient use of ERP SAP and purchasing systems

Languages

English
Fluent
French
Fluent
Portuguese
Native
Spanish
Advanced

Timeline

Lead Buyer

TotalEnergies E&P Angola
2023.02 - 2026.04

Lead Buyer

Azule Energies
2020.03 - 2023.01

Lead Buyer

Bumi Armada
2018.01 - 2020.01

Master 1 – International Purchasing - Procurement

Positivo University
2009.09 - 2011.09

Procurement engineer

TotalEnergies
2007.04 - 2018.03

Certificate of Higher Education - Purchasing & Supply Chain Management, International Procurement & Contracting

Professional Training & Certification
2005.01 - 2025.03

Bachelor of Business Administration - Administration and Languages

Catholic University of Angola
2002.09 - 2006.09
Antonio NGUMA