An exciting opportunity for a Senior Project Manager to lead a nationally significant, multi-year gas infrastructure upgrade focused on reducing emissions and supporting the UK’s transition to a lower-carbon energy network. This four-year Design & Build project involves the installation of a new, low-emission gas turbine–driven compressor train at a critical Above Ground Installation (AGI) site within the national gas transmission system. The first two years will focus on design, offering a hybrid working arrangement. The final two years transition to site-based delivery, overseeing construction and commissioning. This is a strategically important project aligned with the Medium Combustion Plant Directive (MCPD), playing a key role in futureproofing UK energy supply and improving air quality. Responsibilities: * Lead full project lifecycle delivery from early-stage design through to construction, commissioning, and handover. * Manage design partner deliverables, ensuring alignment with project programme and technical specifications. * Oversee governance documentation including risk registers, programme schedules, commercial reporting, and approvals. * Maintain strong stakeholder engagement across engineering, commercial, client and regulatory interfaces. * Select, appoint, and manage subcontractors to ensure safe, compliant and high-quality delivery of civil, mechanical, electrical and EC&I scopes. * Monitor project financials, ensuring cost control, forecasting accuracy, and achievement of target margins. * Promote and enforce high standards of health, safety, environmental and quality performance across all project phases. * Provide regular reporting to senior leadership and ensure proactive management of project risks and opportunities. * Travel to design offices and project sites across the UK as required. Qualifications: * Extensive experience delivering major projects in the gas transmission or AGI sector, ideally with compressor station involvement. * Knowledge of AGI systems, gas turbines, pipeline interfaces, and process safety standards. * Proven track record managing infrastructure upgrades in live, regulated gas environments. * Experience working under CDM 2015 regulations, acting in Principal Contractor and Designer capacities. * Competent in commercial management of D&B contracts – cost/value reporting, change control and programme forecasting. * Confident communicator with excellent stakeholder management and technical reporting capabilities. * Full, clean UK driving licence with flexibility to travel nationally. Benefits: * Competitive salary and comprehensive benefits package * Hybrid working during design phase * Strategic leadership role on a nationally significant emissions-reduction project * Defined progression opportunities within a high-performing, engineer-led delivery environment Ready to shape the future of the UK’s energy infrastructure as a Senior Project Manager? Apply now and take the lead on one of the most important gas transmission upgrades in the country