Principal Project Manager (Framework ​/ Client Lead

Position: Principal Project Manager (Framework / Client Lead)
# Principal Project Manager (Framework / Client Lead)
* Defence* Permanent / Project Management
* Glasgow* United Kingdom
* 11/08/26
* On site
* ShareI apply##Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements.  Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions.##

Job Description This role acts as the single point of leadership and representation for Assystem within a joint venture, delivering work on a major Defence Infrastructure framework.

The successful candidate will operate as a framework and client-facing lead, responsible for:
* Building and maintaining strong, trusted client relationships
* Representing Assystem’s interests and ensuring visibility within the joint venture
* Enabling successful delivery across multiple work streams rather than managing individual projects
* Drumbeat framework operations which support the current success and future growth of the framework

The role requires someone comfortable operating at a strategic and influencing level, working across organisational boundaries and without direct control of all delivery resources.

The role reports to the Defence Business Manager, who holds responsibility for delivering the budget and performance targets for the account.

This role will be based out of our Assystem Glasgow office with travel to client sites (Clyde) and partner offices as required.
** Responsibilities
* *** Client & Framework Leadership
*** Act as a senior client interface, building long-term, trusted relationships with key stakeholders
* Represent Assystem within the joint venture, ensuring alignment with our strategic objectives, standards and ways of working
* Understand client priorities and proactively shape delivery approaches and solutions to meet evolving needs
* Support the identification and development of future opportunities within the framework
** Joint Venture Collaboration & Representation
*** Act as Assystem’s focal point within the JV environment, working closely with partner organisations
* Foster a collaborative, high-performing delivery culture across all parties
* Navigate multi-partner dynamics, influencing decisions and ensuring effective alignment
* Represent Assystem in relevant governance, operational and leadership forums
** Framework Oversight & Delivery Enablement
*** Provide oversight across multiple projects/work streams, ensuring alignment to framework objectives
* Act as a senior escalation point for delivery, client or partner issues
* Ensure effective mobilisation of teams and integration of in-house capability and supply chain
* Drive continuous improvement and consistency across delivery activities
** Commercial & Account Performance
*** Contribute to delivery of account turnover and margin in collaboration with the Business Manager
* Maintain visibility of framework performance, risks and opportunities
* Support commercial positioning and protect Assystem’s interests within the JV
* Provide regular reporting to internal stakeholders
** Resource & Capability Coordination
*** Maintain a reliable forward view of demand, supporting resource planning and capability development
* Act as a key interface for recruitment and onboarding of technical resources into the framework
** Opportunity Development & Bidding
*** Act as the early owner of new opportunities, shaping them through to Bid / No Bid decision
* Collaborate with the sales team to develop client-focused value propositions
* Support the transition of opportunities into formal bid processes
* Contribute to Key Account Plans and strategic growth initiatives
** Internal Leadership & Collaboration
*** Act as the internal point of contact for support across bids, projects and capability
* Support wider Assystem initiatives, sharing best practice and lessons learned
* Promote employee engagement through clear communication of direction and priorities
* Line management responsibilities as required## My profile
** Qualifications
* *** Essential Experience, Skills, Qualifications & Attributes
*** Professionally recognised engineering or technical degree
* Strong understanding of the UK Defence Infrastructure sector and supply chain
* Demonstrable experience in client-facing, framework or programme environments
* Experience working within joint ventures, alliances or collaborative delivery models
* Strong stakeholder engagement and relationship management capability
* Commercial awareness and understanding of framework delivery models
* Ability to influence without direct authority across organisational boundaries
* Excellent communication, organisational and interpersonal skills
* Broad understanding of engineering, delivery and procurement processes
* Ability to work…