Infrastructure Project Manager

About Amentum

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

Role Overview

Amentum is seeking an Infrastructure Project Manager to support a complex, high-profile defense-sector infrastructure program in Riyadh, Kingdom of Saudi Arabia. This full-time role involves hands-on project management, coordination, and governance support across multiple infrastructure workstreams within a demanding, multi-stakeholder environment. The successful candidate will coordinate project activities from planning through delivery, maintain effective governance and reporting, and support engagement with various stakeholders.

Key Responsibilities

• Coordinate day-to-day infrastructure project activities, priorities, outputs, and interfaces across assigned workstreams.
• Support the planning and delivery of new-build, refurbishment, and wider infrastructure activities within a complex program environment.
• Maintain effective working relationships with client representatives, program leadership, technical teams, commercial/procurement functions, consultants, contractors, and other delivery stakeholders.
• Plan, coordinate, and administer project meetings and formal governance forums, including agendas, meeting records, action logs, and decision registers.
• Maintain project schedules, milestone trackers, and delivery plans, and monitor progress against agreed commitments and dependencies.
• Prepare clear project reports, management information, briefings, presentations, and governance submissions to support informed decision-making.
• Maintain RAID (Risks, Assumptions, Issues, and Dependencies) records and support the identification, escalation, and management of project risks and issues.
• Coordinate project actions, approvals, and deliverables through established governance and assurance arrangements.
• Maintain robust document control, records management, and project information arrangements.
• Support business case, procurement, and commercial activities where required, including coordination of inputs, documentation, and stakeholder actions.
• Provide delivery oversight and proactive follow-up to ensure actions are closed and project outputs are progressed in a timely manner.
• Promote professional, collaborative, and disciplined project-management practices throughout the assignment.

Qualifications and Experience

• 5-10 years of experience in project management, specifically within infrastructure programs.
• Demonstrated ability to operate effectively in a sensitive and professionally demanding environment.
• Strong organizational skills and sound project management judgment.

Work Environment and Culture

This role is part of an integrated program team, requiring strong organization and sound project management judgment. Amentum's culture is built on safety, integrity, inclusion, and diversity, prioritizing people and fostering a supportive environment. The company values positive mental health and a sense of belonging for all employees, embedding inclusion and diversity in all operations. Amentum is a Disability Confident employer and welcomes applications from candidates seeking flexible working arrangements.