Job Title: Senior HVAC EngineerLocation: ReadingJob Type: Long Term Contract - Outside of scope of IR35 pending determinationWorking Pattern: 9-Day Fortnight, hybrid working model Overview:We are currently seeking a Senior HVAC Engineer to join an established engineering team delivering complex projects in highly regulated environments. This is a key role within a multi-disciplinary team where you will contribute your HVAC expertise across a variety of high-profile technical projects.Candidates must currently hold minimum SC clearance to be considered for this position. Key Responsibilities: Lead and support the design of HVAC systems including ductwork, ventilation, and piping layouts Produce and review engineering drawings such as schematics, equipment layouts, and process flow diagrams Complete HVAC design calculations including load assessments, duct/pipe sizing, and airflow analysis Prepare technical documentation including risk assessments, technical specifications, substantiation reports, installation plans, and OandM manuals Work collaboratively with other engineering disciplines to ensure successful project delivery Ensure all work complies with industry regulations, internal quality standards, and safety requirements Required Qualifications and Experience: Degree or equivalent qualification in Mechanical Engineering or Building Services Proven experience in HVAC design and project delivery Knowledge of relevant industry standards and best practices Ability to prod