Quantity Surveyor

About Amentum

Amentum UK and International specializes in engineering, project management, and solutions integration, collaborating with government entities globally on complex programs. With a significant presence in Saudi Arabia, Amentum is involved in critical projects across the region, focusing on program management, engineering oversight, and construction assurance.

The Opportunity: Quantity Surveyor

Amentum is seeking an experienced Quantity Surveyor to provide client-side commercial and cost management support for a major construction project in Riyadh, Saudi Arabia. This full-time role requires 5-10 years of experience and involves working closely with the Commercial Manager and Project Manager to ensure effective project delivery.

Key Responsibilities

• Review contractor applications for payment and assess contractual entitlement.
• Verify completed works against contract requirements, project progress, and agreed payment mechanisms.
• Prepare payment assessments and commercial recommendations.
• Monitor project costs, commitments, liabilities, and expenditure against approved budgets.
• Maintain accurate commercial records and reporting.
• Assess notified changes, variations, compensation events, and their commercial impact.
• Evaluate contractor quotations, cost submissions, risks, and program implications.
• Prepare independent estimates and commercial assessments.
• Maintain change registers and ensure approved changes are reflected in project forecasts and contract values.
• Identify emerging commercial risks and opportunities.
• Maintain cost reports and forecast final project costs.
• Track actual and forecast expenditure against approved budgets.
• Analyse cost trends, risks, and commercial performance.
• Provide regular commercial reports and recommendations to project leadership.
• Support commercial assurance, governance, and audit activities.
• Support the administration and commercial management of construction contracts.
• Participate in risk management and early warning processes.
• Advise on the commercial implications of project decisions and contract actions.
• Monitor contractual obligations, key milestones, and compliance requirements.
• Build effective working relationships with contractor commercial teams to resolve issues efficiently and proactively.
• Work collaboratively with project controls, engineering, construction, finance, and contractor teams.
• Provide clear commercial analysis and advice to support informed decision-making.
• Present complex commercial matters in a concise and practical manner.

Required Qualifications and Experience

• 5-10 years of experience working under major construction contracts.
• Experience with NEC4 and/or FIDIC contracts is preferred.
• Demonstrated proactive approach to commercial management, cost control, risk management, and stakeholder engagement.

Our Culture and Values

Amentum's culture is built on safety, integrity, inclusion, and diversity. The company values positive mental health and a sense of belonging for all employees, striving to embed inclusion and diversity in all operations. Amentum accepts people regardless of age, disability, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, and family leave status. As a Disability Confident employer, Amentum interviews all disabled applicants who meet the minimum criteria for a vacancy and welcomes applications from candidates seeking flexible working arrangements or who may not meet all listed requirements.

Application Process

Amentum partners with VERCIDA to attract and retain diverse talent. For greater online accessibility, roles can be viewed and accessed via VERCIDA. Feedback on the recruitment process is welcomed, and candidates needing further information before deciding to join are encouraged to contact Andrew Duckworth.