Delivery Support Manager

Amentum is expanding its ability to support a growing portfolio of projects across the Defence, Nuclear, Energy, Environment and Government‑Owned Critical Infrastructure sectors. We are seeking talented people who are motivated by technical problem‑solving, collaboration and the opportunity to deliver innovative solutions for some of the UK's most significant infrastructure projects. The Delivery Support role provides operational, governance and coordination support to the Delivery Lead and wider CMO during mobilisation and early delivery.

The role is responsible for ensuring programme management processes, governance activities, reporting cycles, action tracking, resource coordination and stakeholder communications are effectively organised and controlled, enabling delivery teams to focus on programme execution. Working closely with Programme Directors, Project Managers, Defence stakeholders, and supply chain partners, the Programme Controls Lead will enable informed decision‑making and effective programme governance within a highly regulated and security‑conscious environment.

You will provide effective programme delivery coordination, governance and operational support to ensure the FCAS Infrastructure Programme mobilises efficiently and maintains control of actions, decisions, resources, reporting and stakeholder engagement.

• Provide governance, coordination and operational support to programme leadership, ensuring effective management of governance activities, reporting, actions, decisions, resources, stakeholder engagement, risk, issue and change processes.
• Support mobilisation, assurance and delivery activities by maintaining robust controls, records and programme coordination across the FCAS Infrastructure Programme.

• Establish and maintain programme governance, reporting, delivery support and assurance processes, including action and decision management, stakeholder coordination, resource tracking, RAID administration and audit‑ready programme records.

• Collaborate with programme leadership, project controls, commercial, technical and delivery teams, alongside client, supply chain, assurance and audit stakeholders to support effective programme mobilisation and governance.

• Experience supporting complex programmes, with strong governance, reporting, stakeholder management, coordination and Microsoft 365 skills, alongside the ability to manage multiple priorities and deadlines.

• PMO, defence, infrastructure or aerospace experience, with knowledge of programme controls, risk management, APM/MSP governance and Power Platform tools.

Experience of establishing effective governance, reporting, action management, stakeholder coordination and resource tracking processes that provide programme leadership with clear visibility, control and assurance throughout mobilisation.

Experience of establishing a governance, coordination and operational support function that enables effective programme control, mobilisation and decision‑making across the FCAS infrastructure portfolio.

• Competitive salary and benefits package, with unrivalled salary sacrifice schemes available.
• Free single medical cover and digital GP service.
• Generous pension contributions.
• Enhanced parental leave and family‑friendly policies.
• Professional development support and membership reimbursement.
• Access to a flexible benefits programme tailored to your needs, including buying or selling up to 10 days’ extra holiday.
• Hybrid and flexible working options to support work–life balance.

At Amentum, we’re not just solving problems; we’re engineering the future. Our team is…