We are seeking an experienced SC Cleared Project Controls/Cost Engineer to support a secure defence digital transformation programme based in Bristol and Andover. This is a hands-on delivery role focused on cost estimation, budget control, financial forecasting, and governance within a regulated MOD environment. Active SC Clearance is mandatory. Key Responsibilities Develop and maintain detailed cost estimates across all project phases Collaborate with Project Managers, Engineers, and stakeholders to establish realistic budgets Monitor budgets and track actuals vs forecast Provide variance analysis and financial performance insights Implement effective cost control measures Produce detailed cost reports for stakeholders Identify financial risks and recommend mitigation strategies Conduct sensitivity and impact analysis on cost changes Work closely with procurement teams, suppliers, and contractors Ensure compliance with defence financial regulations and governance standards Maintain audit-ready documentation Required Experience Proven background in Project Cost Engineering/Project Controls Experience within defence, aerospace, MOD, or highly regulated environments Strong cost estimation and forecasting experience Familiarity with defence financial governance and reporting standards Experience working on complex engineering or digital transformation programmes Strong analytical skills and attention to detail Desirable CCP, AACE, PMP or similar professional certifications