Natalie Colominas

An accomplished Commodity & Sourcing Specialist with over 16+ years of experience in procurement, strategic sourcing, and supply chain management. Known for driving cost efficiencies, strengthening supplier partnerships, and ensuring strict compliance with regulatory frameworks. Skilled in contract negotiation, vendor management, and risk assessment, with a proven record of delivering measurable savings and managing supplier portfolios of significant value.

Recognised for effective communication, stakeholder engagement, and mentoring team members to achieve performance improvements. Committed to transformation initiatives, consistently working with B-BBEE-compliant suppliers to support organizational objectives.

Commodity Management - Siemens (PTY) Ltd

(2022-01)

• Developing commodity strategies and procurement plans to enhance service levels, operational efficiency, and profitability
• Directing the acquisition, expediting, and delivery of goods and services across multiple business units to ensure supply continuity
• Designing and administering tender processes, coordinating DAC submissions/approvals, and negotiating contractual terms
• Managing a portfolio of 20–30 supplier contracts valued between R500K and R1M, ensuring adherence to agreed terms and conditions
• Delivering R100K–R300K savings, sustaining 5–10% gains (R1.5K–R150K YTD) despite lean spend pool and economic/political pressures
• Achieving 100% documentation compliance with PFMA, National Treasury regulations, and internal audit requirements
• Ensuring procurement exclusively with B-BBEE-compliant suppliers, maintaining a 97% indirect supplier base and validating credentials for audit readiness
• Monitoring supplier KPIs/SLAs on delivery, quality, SHE, and ISO, using quarterly reviews to improve on-time delivery and compliance
• Overseeing contracts within the portfolio, including amendments and supplier performance reviews, while mitigating supply risks
• Representing procurement in cross-functional stakeholder forums, strengthening relationships between suppliers and end-users
• Providing mentorship and coaching to team members, driving measurable performance improvements
• Coordinating logistics and commercial terms for corporate events, ensuring alignment with legal, regulatory, and internal policies
• Measured savings, analyzed data, and met KPI-linked forecasts with ops/finance teams to close gaps and boost supplier performance

Coordinator | Supply Chain & Order Management - Siemens (PTY) Ltd

(2020-01 - 2022-01)

• Managing customer orders using dedicated systems, ensuring accuracy, timeliness, and customer satisfaction
• Maintaining price records in line with ROE, monitoring inventories, and updating order statuses
• Coordinating inter-business stock ordering, third-party shipments, and freight operations for smooth supply chain flow
• Supporting multiple business units (Motion Control, Large Drives, Factory Automation, Smart Infrastructure, Process Automation)
• Creating third-party purchase orders for drop shipments, expediting and tracking orders, and optimising shipping processes
• Enhancing operational processes through digitalization initiatives, troubleshooting sales orders, and improving management systems
• Liaising with suppliers and end-users to ensure effective communication and seamless order execution
• Capturing new order entries, inspecting shipments for accuracy, and ensuring smooth freight processes
• Ensuring compliance with internal procurement policies and supporting audit readiness by maintaining accurate documentation and records

Supply Chain Cost & Freight Controller | SHEQ Coordinator - Siemens (PTY) Ltd

(2010-01 - 2019-01)

• Administering accounts payable, verifing invoices, reconciling vendor accounts, and ensuring timely payments
• Auditing costs against agreed rates, compiling monthly reports, and preparing annual budget reviews to support financial efficiency
• Overseeing goods receipt accuracy, order management, and finance operations to streamline supply chain processes
• Acting as SHEQ Coordinator, ensuring compliance with safety, health, environment, and quality standards
• Collaborating with vendors and internal stakeholders to resolve queries, improve invoicing accuracy, and maintain strong supplier relationships
• Supporting procurement and sales through quotations, delivery notes, and effective cost control measures

Accounts Assistant - OTEL Telecommunications

(2009-01 - 2010-01)

Customer Service Assistant | Consultant - Absa Bank Limited

(2007-01 - 2009-01)

Professional Diploma in Procurement and Supply (CIPS) - Procurement and Supply - Chartered Institute of Procurement and Supply (2026)

BCom Honours - Business Management - University of South Africa (UNISA) (2021)

Bachelor of Business Administration - Business Administration - University of South Africa (UNISA) (2017)

Diploma - Strategic Logistics - Damelin (2011)

Grade 12 | Matric - Voortrekker High School (2006)