Senior Project Sponsor / Project Manager - Defence Infrastructure Overview We're recruiting for an experienced Senior Project Sponsor to support major infrastructure delivery within a complex defence environment. You'll sit at the centre of a large multi-stakeholder programme, working with delivery partners and approvals authorities to drive outcomes against agreed Performance, Cost and Time (PCT) objectives, applying a strong systems-led approach. Location: HMNB Devonport, Plymouth (3 days/week onsite) Responsibilities Project objective setting & requirements management: own requirements across the lifecycle (infrastructure requirements, functional requirements, success criteria) Stakeholder management: identify, analyse, engage and align internal/external stakeholders and SMEs; capture requirements and secure commitment Thought leadership: protect benefits; act as a critical friend to the Project Manager through support and constructive challenge; ensure the team is set up for success and properly resourced Governance: establish and apply effective governance and enable timely decision-making and control Performance reporting: review and report performance to leadership teams for assurance, challenge and support Essential experience Strong infrastructure delivery background Good understanding of requirements management Complex product/project delivery experience Experience supporting organisational design development Confident working with approvals authorities and other government departments (e.g. Cabinet Office, HMT) Excellent stakeholder management skills (able to align competing interests) Experience developing/applying governance to projects or change initiatives Desirable Infrastructure or equipment project delivery experience Experience in integrated teams with mixed workforces (civilian/military/contractors) Strong Microsoft 365 capability APM qualification (APMQ or equivalent) or qualified by experience Technical degree (ideally) INCOSE membership Engineering background beneficial PLP (Project Leadership Programme) Awareness of NEC4