Job Title: Principal HVAC Design Engineer Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this role Salary: Circa £55,000 What you''ll be doing: Lead the end-to-end development of cutting-edge HVAC systems, ensuring they meet demanding performance, safety, and environmental standards Create and review high-impact engineering artefacts - from specifications and PandIDs to calculations and 3D models Drive advanced thermal, airflow, and pressure analyses toto validate system performance in challenging conditions Transform complex requirements into robust, innovative, and verifiable design solutions that set the benchmark for excellence Guide and influence engineers, suppliers, and design partners, shaping best-in-class HVAC integration across the platform Enhance design standards and evaluate specialist equipment, contributing to reviews, hazard assessments, and lifecycle verification Your skills and experiences: Essential Strong technical expertise in HVAC and mechanical system design, including psychometrics, thermal analysis, equipment specification, schematics and system balancing Awareness of multi-disciplinary system integration challenges across structures, electrical, controls, safety, and installation Excellent technical communication and reporting abilities, engaging both internal and external stakeholders STEM degree (or equivalent experience), ideally working toward