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Ria Oosthuizen

@riaoosthuizen

Senior Administrator at ML Technologies (Pty) Ltd, coordinating procurement, financial operations, and branchwide payment processing.

United States

Message

At ML Technologies (Pty) Ltd, I managed end-to-end procurement and financial operations, including supplier negotiations, stock control, purchase orders, and invoicing.

I also handled debtor and creditor management, reconciliations, and branchwide payment processing. As Health & Safety Officer (SHEQ), I prepared compliance files for CCTV installations and supported technical teams with equipment orders.

At Picasso Solutions (Pty) Ltd, I provided full personal-assistant support to the Managing Director and managed administrative and financial functions, including invoicing and QuickBooks processing.

At Sahara Systems (Pty) Ltd, I coordinated the full tender lifecycle for multibranch operations, from sourcing and analyzing tenders through compliance and submission deadlines. I also managed administrative operations, supported logistics and sales, and supervised a three-person team.

Experience

Work history, roles, and key accomplishments

Senior Administrator

ML Technologies (Pty) Ltd

Jan 2011 - Jan 2026 (15 years)

Managed end-to-end procurement and financial operations, including supplier negotiations, stock control, purchase orders, invoicing, and reconciliations. Served as Health & Safety Officer (SHEQ) and provided operational assistance to the Managing Director.

Procurement Finance Operations Supplier Negotiation Stock Control Invoicing Debtor Creditor Management Reconciliations Payment Processing SHEQ Compliance Microsoft Office

Personal Assistant to Managing Director

Picasso Solutions (Pty) Ltd

Jul 2007 - Aug 2009 (2 years 1 month)

Provided full PA support to the Managing Director while managing administrative and financial functions, including invoicing, month-end statements, and creditor/debtor processing in QuickBooks. Managed IT and office-automation procurement and coordinated technical service calls.

Executive Support Administrative Support Invoicing Quickbooks Creditor Debtor Management Procurement IT Procurement Receiving Stock Call management Operational Coordination

Corporate Contract Assistant

Sahara Systems (Pty) Ltd

Aug 2002 - Mar 2007 (4 years 7 months)

Directed the full tender lifecycle for multi-branch operations, from sourcing and analyzing tenders to ensuring compliance and meeting deadlines for bids valued between R6M and R40M. Managed administrative operations, including office standards, stock, logistics, and supervision of a three-person team.

Tender Management Bid Management Compliance Research Team Leadership Administration Logistics Coordination Stock Management HR Support Sales Support

Education

Degrees, certifications, and relevant coursework

Complete Accounting (Accredited Pastel Training Centre)

Bookkeeping Fundamentals: up to Trial Balance, Pastel Partner V11, Pastel Payroll – Level 1, Bookkeeping

Completed Bookkeeping Fundamentals up to Trial Balance, Pastel Partner V11, and Pastel Payroll Level 1 in November 2010.

Vaal Triangle Technicon

National Diploma, Business Administration

1995 -

Pursued a National Diploma in Business Administration starting in January 1995, covering business administration, information administration, legal practice, communication, mercantile law, desktop publishing, and personnel management.