Commercial Manager - Transmission & Renewables (Freelance / Temp to Perm) Location: Caldicot (South Wales) regional travel Rate: £650 - 700 p/d (negotiable) Engagement: Umbrella PAYE / CIS (Potentially Outside IR35/Ltd - subject to full QDOS assessment) Duration: Up to 5 months (Temp to Perm opportunity) Start: ASAP Hours: 8am - 5pm, Monday to Friday Working Pattern: Hybrid (site office WFH depending on project needs) About the Role TRIbuild Solutions are recruiting a Commercial Manager to support a major Transmission & Renewables portfolio across South Wales and the South West. This role will oversee multiple projects within the energy infrastructure sector, including substation works up to 400kV. Key Responsibilities Lead commercial strategy and delivery across multiple projects Manage and mentor commercial teams (MQS, SQS, QS, AQS) Drive CVR reporting, forecasting and cashflow performance Lead tender reviews, risk identification and opportunity management Ensure contractual compliance (NEC3/NEC4, JCT, FIDIC) Build strong client and supply chain relationships Support procurement and dispute resolution Collaborate with project and finance teams to optimise performance Requirements Proven experience in a Commercial Manager or similar leadership role Strong background in infrastructure, utilities or energy projects Experience working on National Grid / substation projects (desirable) Expert knowledge of NEC contracts (NEC4 Option E highly desirable) Degree qualified (or equivalent experience) Strong leadership, negotiation and communication skills Full UK driving licence and flexibility to travel Additional Info Hybrid working depending on project demands Regional travel across South Wales required Opportunity to transition into a permanent role Apply For more information or to apply, contact Leon at TRIbuild Solutions.