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Sebastian Mari

Sebastian Mari

Project Cost Controller with 20+ years in Costing, Financial and Project Management

Talent
JohannesburgMember since June 12, 2026
BookkeepingProject ControlAccountingCostingPastel AccountsMS ProjectsBuildsmartNEC3Creating and Monitoring Project Costs against SalesProject Analysis / ReportingHandling the Debtors ManagementAnalysis of Accounting recordsPreparing Monthly Sales reportsReporting to Operations / Financial ManagementSales / Invoices GenerationAnalysis of Pastel Costing Codes (Per Jobs)Generation of Reports to ManagementPlanningProperty / Portfolio Management
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BookkeepingProject ControlAccountingCostingPastel Accounts

About

An experienced, qualified and strategic thinking individual with over 20 years involved in the Costing, Financial and Project Management sector. Focused on achieving cost related management goals and effective progress for your company. Willing to step into your Budget and make it most effective through hard-work and diligence.

Experience

PROJECT COST CONTROLLER at YOKOGAWA SA (2017-08 – Present)

  • Project Costing
  • Retentions / CPA Controls
  • Main contract / Extra works monitoring
  • Cost to completion Schedules
  • Procurement
  • Tender Activity Preparation
  • Project Administration
  • Checking QS reports
  • Assisting with monthly claims
  • Calculating and monitoring CPA
  • Checking Contract History for inconsistencies
  • Activities Schedules
  • FRI Implementation
  • Milestones Calculations
  • Assessments
  • Back-up Documentation

COSTING DEVELOPMENT at Self Company (2015-07 – 2017-07)

  • QS Functions
  • Helping small business implement Cost Structures
  • Re-structuring accounting systems to include Costing
  • Auditing Sales / VAT / Claims / Retentions
  • Project Administration
  • Forming Systems for Claiming and Invoicing
  • Creating Unified Forms for Company information
  • Costing Reports from Buildsmart & Candy
  • Bi-weekly & Monthly Budgets vs Actual Reporting
  • Bi-weekly & Monthly Labour Budgets vs Actual

QS / CLAIMS MANAGER (Medupi Power Station) at INTERCONNECT SYSTEMS (2016-08 – 2016-12)

Contract Ended

  • QS Functions
  • Analysing drawings
  • Capture of items and cables
  • Project Administration
  • Capture of Daily Diaries
  • Sectional Completion Calculations
  • Claims Management
  • FRI Schedules

SENIOR COSTING ENGINEER at DYNAMIC INSTRUMENTS (2007-06 – 2015-06)

Staff Reduction

  • Developing and maintaining Job costing schedules for the various projects
  • Controlling the actual cost against claims per month
  • Project Administration
  • Doing weekly checks with Project Controllers
  • Checking Labour and Material purchases and deliveries
  • Making sure that the costs are maintained within Budget margins
  • Preparing Labour job costing reports
  • Assisting in the Tender processes with all the commercial aspects
  • Setting up of the actual Bills of Quantities
  • Preparing invoicing schedules
  • Setting up assessment reports
  • Developing CPA (Contracts Price Adjustment) schedules
  • Preparing returnable documents
  • Calculating Forex values when applicable
  • Setting up and maintaining Monthly retention reports
  • Developing and maintain Budget vs Actual Costing reports
  • Studying and understanding the Project Scope of works
  • Assisting in the development and control of Project document control
  • Developing and controlling the Project Budget control
  • Leasing with Project Managers
  • Drawing up and maintaining Contracts BOQ's and FRI schedules

ACCOUNTING MANAGER at ALUMINIUM FABRICATORS (2006-09 – 2007-05)

Moved to JHB

  • Bookkeeping / Chart of Accounts Creation
  • Pastel Accounts Debtors / Creditors Journal Entries
  • Sales / Invoices Generation / Cashbook / Creditors / Debtors
  • Reconciliations / VAT / UIF / PAYE / Levies Recon & Calculations
  • Month-end Statutory Payments / Creditors Payments
  • Progress Claim Input and calculations

JOINT VENTURE BOOKKEEPER / CLAIMS MANAGEMENT OFFICER / JOB COSTING MANAGER at EDISON POWER (2001-08 – 2006-05)

Opened my own Business

  • Bookkeeping / Chart of Accounts Creation
  • Pastel Accounts Debtors / Creditors Journal Entries
  • Cashbook / Creditors / Debtors Reconciliations
  • VAT / UIF / PAYE / Levies Recon & Calculations
  • Month-end Statutory Payments / Creditors Payments
  • Month-end Progress Claim Input and calculations
  • Submit Claims to Clients for Payment / Job Costing Input

Part-Time Jobs whilst Studying at Work-Study (1989-02 – 2001-07)

  • Clerical / Accounting
  • Building Maintenance
  • Legal Fees Calculation

Education

Matriculated in Business Accounting & Costing – MEADOWLANDS HIGH (1988-01 – 1988-12)

Business Accounting & Costing – INTEC (1991-01 – 1991-12)

Quantity Surveying – SACQSP (Unisa) (2001-01 – 2001-12)

MS Projects 1 & 2 – CS HOLDINGS (2002-01 – 2002-12)

Practical Project Management – UNISA (2005-01 – 2005-12)

Business Support & Admin – CS HOLDINGS (2006-01 – 2006-12)

Project Cost Control – E C A (2008-01 – 2008-12)

Theory & Calc of CPA – SIEFSA (2011-01 – 2011-12)

Construction Computer Software (CCS) - Candy NEC3 Construction Estimating & Valuations – BCA (2013-01 – 2013-12)

Construction Computer Software (CCS) - Buildsmart Accounting / Costing – AACE (2016-01 – 2016-12)

Skills

Project Cost Controller with 20+ years in CostingFinancial and Project Management

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