Assystem is looking for a PMO / Change Manager to support effective control of scope, cost, schedule, and risk across a major infrastructure programme. Reporting to the Baseline & Change Lead within the Programme Management Office, you will be responsible for ensuring approved changes are governed, implemented, and aligned to agreed baselines. You will join a company whose mission is to accelerate the energy transition worldwide.

What You'll Do

Support and operate the Change Management process and Investment Change Committee governance.
Act as the central point of contact for change management across the programme.
Coordinate baseline changes across cost, schedule, and risk in line with approved changes.
Support governance routines, reporting cycles, and monthly baseline & change outputs.
Advise Project Managers, Change Owners, and supply chain partners on change control processes.
Review and assure the quality of change proposals and facilitate change requests with delivery teams.
Support and facilitate Investment Change Committee meetings.
Provide training and guidance on change management processes and tools.

What We're Looking For

Degree qualified or equivalent experience.
Experience in project, programme, controls, or commercial management.
Strong knowledge of change control, baseline management, and project governance.
Understanding of WBS, CBS, and project controls processes within a regulated environment.
Strong facilitation skills and the ability to work effectively across complex organisations.

Nice to Have

Experience on major infrastructure or large-scale construction programmes.
Practical knowledge of project controls tools and programme management software.
Understanding of standard forms of contract and change workflows.
Membership of a relevant professional institution.