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Principal Thermal Mechanical Engineer

United Kingdom, Isle of Wight 81.05 GBP / Hour · Job Posted April 11, 2026
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Job Description

The Principal Thermal Mechanical Engineer is a key role that leads the mechanical engineering aspects of the development of new radar technologies. Reporting to the Project Engineering Manager, this role must have an expert thermal mechanical knowledge with experience in the general design, build, integration and test of complex mechanical systems.

Job Responsibility

  • Lead mechanical engineering aspects of development of new radar technologies
  • Report to Project Engineering Manager
  • May hold Mechanical Design Authority for Future Radar Products
  • Matrix report into Mechanical Engineering Discipline Lead for Defence Solutions
  • Provide technical guidance to wider Mechanical Engineering group
  • Mentoring responsibility for staff
  • Technical responsibility for results of sector's efforts and effectiveness of overall integration
  • Assist in delivery of projects to budget, schedule, scope and risk management
  • Provide direction and technical expertise to small team of mechanical/CAD engineers
  • Organise and oversee work packages within project
  • Liaise with project engineering manager, project manager and project technical authority
  • Review work of mechanical engineering team, guide and coach team
  • Strong technical leadership and stakeholder management
  • Be strong influencer in Mechanical Engineering community, embracing change and continuous improvement
  • Implement design changes
  • Update and comply with company standards, processes and guidelines
  • Provide input into engineering estimates
  • Help plan and supervise work of mechanical engineering team
  • Direct technical work assignments and reviews of work in progress
  • Review technical feasibility of proposed solutions
  • Help solve particularly complex technical problems

Requirements

  • Expert thermal mechanical knowledge
  • Experience in general design, build, integration and test of complex mechanical systems
  • Subject matter expert in Thermal Mechanical Systems
  • Experience in other mechanical areas (e.g., Computational Fluid Dynamics, Finite Element Analysis, Propulsion, Structures)
  • Experience and knowledge of design and implementation of thermal management systems including heat exchangers
  • Experience and knowledge of design, build, test and use of composite structural materials
  • Familiarity with content, applicability and use of relevant Standards
  • Experience and knowledge of engineering lifecycles from requirements capture to in-service support
  • CEng status (desirable) or relevant experience
  • Understanding of concepts and principals relating to an area within Mechanical Engineering
  • Able to apply knowledge to a wide range of engineering issues
  • Experience with 1D and 3D fluid type software

Nice to have

  • Experience and knowledge of design, build, test and use of composite structural materials
  • Familiarity with content, applicability and use of relevant Standards
  • Experience and knowledge of engineering lifecycles from requirements capture to in-service support
  • CEng status

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