• Lead the development and maintenance of comprehensive project cost budgets, including baseline budgets and formal change approvals. • Master and control all project budgets, commitments, actuals, and accruals to ensure absolute cost integrity. • Develop and rigorously maintain robust Estimate-to-Complete (ETC) and Estimate-at-Completion (EAC) forecasts grounded in documented assumptions. • Conduct in-depth analysis of cost performance, productivity, trends, and variances to identify early indicators of financial risk. • Critically validate contractor billing against verified field quantities (TIC) and contractual terms to mitigate financial risk. • Support project change management by developing detailed cost impact analyses for change orders, trends, and claims, maintaining meticulous change logs. • Prepare monthly cost accruals and execute month-end close activities, including detailed variance explanations and financial reconciliations. • Own the project cost closeout process, including final cost reporting, financial reconciliation, and synthesizing lessons learned for future projects. • Partner with Project Schedulers, Supply Chain, and Project Managers to ensure cost phasing is precisely aligned with the Master Integrated Schedule (MIS).