Defence Infrastructure PM - Hybrid/On‑Site

Amentum; Barrow-in-Furness; On-site; GBP 60,000 - 85,000; Full time

Job summary

Amentum is seeking experienced Project Managers in the UK Defence & Security arena to deliver complex infrastructure and built environment projects. You will support governance, assurance, and delivery across security-sensitive programmes, coordinating with government and industry stakeholders to enable national capability and operational readiness.

The role requires a strong track record in regulated environments, with the ability to work on-site three days a week and foster cross-functional

Qualifications

• Track record delivering projects on time, cost, and quality.
• Autonomous with authority and capable of building key relationships.
• Consultancy focus with ability to scope wider client opportunities.
• Expertise in P3M practices, methodologies, and their application.
• Coaching and mentoring skills.
• Willingness to attain UK security clearance and UK residency for the preceding 5 years.

Responsibilities

• Understand and implement organisational policies, processes, and procedures.
• Support development and assurance of business cases.
• Analyse and manage timely, cost-effective delivery of client projects.
• Influence and expedite client project delivery with planning, monitoring, and reporting.
• Identify assumptions and dependencies in projects.
• Identify slippage and risks; implement remedial actions with safety/compliance focus.
• Apply programme and project delivery strategies to secure outcomes.
• Coordinate services from technical, engineering, project controls, and financial teams.
• Maintain accurate project records and history per policy.
• Capture learning and apply continuous improvement in delivery.

Skills

Project delivery

Autonomous work

Client relationships

P3M methodologies

Coaching & mentoring

Security clearance eligible

Education

Degree level education

APM PFQ/PMQ

MAPM membership

PRINCE2/MSP

Job description

Amentum is seeking experienced Project Managers in the UK Defence & Security arena to deliver complex infrastructure and built environment projects. You will support governance, assurance, and delivery across security-sensitive programmes, coordinating with government and industry stakeholders to enable national capability and operational readiness.

The role requires a strong track record in regulated environments, with the ability to work on-site three days a week and foster cross-functional