Commercial Manager - Transmission & Distribution

About LOCKROSE LOCKROSE delivers complex infrastructure projects supporting the UK’s energy transition and net-zero ambitions. We specialise in high-voltage transmission systems including HV cable routes, overhead lines (OHL), and substations, combining strong commercial governance with engineering and delivery excellence. Role Overview We are seeking an experienced Senior Quantity Surveyor (Pre-Contract) to support the commercial development and procurement of major energy infrastructure projects. This role is focused on client-side commercial assurance, budgeting, and procurement , working closely with Project Managers to develop robust business cases, validate project budgets, and manage the tendering process . This role centres on cost assurance, affordability, and commercial governance across early project phases. You will play a key role in ensuring that projects are commercially viable, well-procured, and aligned with regulatory and organisational requirements before entering delivery. Key Responsibilities Project Budgeting & Business Case Support · Support delivery teams in developing project budgets and cost forecasts for business case submissions · Provide independent review and challenge of cost estimates and assumptions · Ensure budgets align with programme constraints, risk profiles, and funding approvals · Contribute to investment cases and governance submissions Cost Assurance & Commercial Governance · Review and assure third-party cost estimates (consultants, designers, contractors) · Assess cost risks, allowances, and contingencies · Ensure consistency with client cost structures and reporting frameworks · Support internal approvals processes and stage-gate governance Procurement & Tender Management · Lead or support end-to-end procurement activities · Prepare and review: o Scope documentation o Pricing schedules o Contract documentation · Manage tender processes in line with internal governance and audit requirements Tender Evaluation & Commercial Assessment · Undertake detailed evaluation of tender submissions, including: o Pricing and cost build-ups o Programmes and delivery strategies o Risk registers and assumptions o Commercial terms and departures · Identify key commercial risks, gaps, and opportunities · Provide structured recommendations to support supplier selection decisions Contract Strategy & Commercial Input · Support development of contracting strategies aligned with project objectives · Provide input into NEC contract scope, pricing approach, and risk allocation · Review and advise on contract terms and deviations Stakeholder Engagement & Reporting · Work closely with: o Project Managers o Procurement teams o Technical and delivery stakeholders · Provide clear commercial reporting and input to senior decision-makers Support alignment between commercial, technical, and programme objectives