Our client is seeking an experienced Senior Quantity Surveyor to provide commercial support for a SIP project in the final stages on a chemical site in Runcorn. This role is site-based and requires immediate availability. The successful candidate will work closely with the project team to ensure commercial optimisation of insulation and scaffolding works and support the preparation of the final account. Key Responsibilities Manage and administer commercial aspects of insulation and scaffolding works, including re-measurements and variations. Review and revalidate insulation estimates against current project requirements and ISO revisions. Administer daywork scaffolding contracts and ensure accurate reporting. Identify and maximise opportunities for commercial gain on a schedule of rates basis. Liaise with client and project team to resolve commercial disputes or claims. Prepare, review, and submit variation proposals and cost claims. Support final account preparation at project completion. Maintain accurate and up-to-date documentation of all commercial activities. Ensure compliance with company and client contractual requirements. Requirements Proven experience as a Quantity Surveyor, ideally on industrial, chemical, or SIP projects. Strong experience with schedule of rates contracts and daywork administration. Competent in es...