Senior Product EngineerBelcan seeks an experienced Senior Product Engineer for a 12-month Inside IR35 contract in Hertfordshire. The role involves leading engineering work packages for the development, validation, and industrialisation of smart motor and power generation technologies.Key ResponsibilitiesLead and mentor multidisciplinary engineering teams to deliver robust, manufacturable solutions aligned with cost and weight targets.Oversee and approve design solutions; support design reviews per client governance and product introduction processes.Produce high-quality technical documentation, including CAD models, drawings, BOMs, and assurance reports.Drive risk management and continuous improvement through design investigations, root cause analysis, and lessons learned.Author, review, and approve technical documentation for engineering and through-life support.Provide training, mentoring, and leadership to engineering personnel.Deliver fit-for-purpose designs with a DFA/DFM approach and ''Right First Time'' philosophy.Ensure stakeholder satisfaction through clear communication and timely reporting.Meet project milestones and budgets; maintain compliance with design assurance and procedural standards.Achieve agreed KPIs consistently.Essential Qualifications and ExperienceDegree in Mechanical, Automotive, or Aeronautical Engineering (or equivalent experience).Proven experience delivering work packages and supervising engineering teams.Mechanical design expertise with rotati