Offshore Wind Estimator - Offshore Substation (Topside & Substructure) Location : Remote, with infrequent travel to Ireland. Hours : 15 hours weekly. Rate : Negotiable Inside IR35 Are you experienced in estimating costs for offshore substations and passionate about renewable energy projects? Our client, a leading organisation in the offshore wind sector, is hiring a dedicated OSW Estimator to support their exciting projects. This role offers flexible remote working with occasional travel to Ireland, starting ASAP and running until August 2026. What you'll be doing: * Producing high-quality class 3 CAPEX estimates for offshore substations, including topside and substructure components (jackets, monopiles, floating foundations). * Developing cost models for HV/EHV substations (275kV / 400kV / 132kV), grid connection works, cable routes, and transmission reinforcement projects. * Supporting FEED, tendering, detailed design, and procurement decisions with robust, benchmarked cost estimates. * Evaluating installation methodologies and modelling associated costs, considering supply chain and market conditions. * Collaborating with engineering teams to define scope, quantities, and equipment lists, interpreting technical drawings and specifications. * Maintaining market intelligence on fabrication, manufacturing, and installation costs to ensure accurate budgeting and risk assessment. What you'll bring: * Proven experience in cost estimating for offshore substations, topside, and substructure projects. * Strong understanding of offshore wind infrastructure, HV/EHV systems, and grid connection works. * Ability to interpret technical drawings and develop detailed cost models. * Knowledge of installation methodologies and supply chain dynamics. * Excellent analytical skills and attention to detail. If you're ready to contribute to the future of renewable energy and thrive in a dynamic environment, we'd love to hear from you!