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Octopus Energy

Mechanical Engineer

Octopus Energy

Field Application Engineer role at Octopus Energy as technical interface between R&D design teams and field operations. Contributing to the growth of renewable energy industry while enhancing support for operations.

Posted 5/30/2026full-timeSlough • 🇬🇧 United KingdomMid-LevelSeniorWebsite

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Hard Skills
mechanical engineeringheat pump designHVAC systemsdesign of mechanical partsretrofit heating installsnew build heating installssmart electronic control systemsperformance data analysistechnical documentationcustomer support
Soft Skills
communicationcollaborationproblem-solvingtrainingcustomer servicetechnical adviceinterpersonal skillsorganizational skillspresentation skillsanalytical skills
Certifications & Qualifications
degree in mechanical engineering
Industry Keywords
heating systemscooling systemsinstallation processesmanufacturing processeswarranty analysissupplier interfaceperformance monitoringissue loggingdesign team collaborationfield installation support

About the role

Key responsibilities & impact
  • Be the main interface between the product design team and the field installation teams
  • Identify areas for improvement in all aspects of the system from design to manufacturing, installation and processes
  • Provide technical design advice and guidance to the field design teams
  • Work closely with the support, field and the operations teams, provide day to day support to all heat pump installs
  • Actively provide customer support as required
  • Continuously monitor the performance data (e.g. COP/SCOP) collected for every install, debug issues, maintain the issue log, and advise improvements
  • Maintain the spares list and update as a new product is introduced
  • Travel to customer sites as required, as well as to Portadown in Belfast to work closely with the R&D and the manufacturing teams
  • Contribute to the training of the support and installation teams as required
  • Be the owner of technical documentations for installers, customers, logistics
  • Present technical solutions to the design team
  • Analyse warranty returns and interface with suppliers on technical discussions in finding the route cause

Requirements

What you’ll need
  • Degree in mechanical engineering or a similar discipline
  • 5+ years experience in design of mechanical parts of a heating or a cooling product or system
  • Understanding of heat pump design and HVAC systems
  • Experience in retrofit and new build heating/cooling installs
  • Appreciation of smart electronic control systems relevant to heating/cooling system design

Benefits

Comp & perks
  • Equal opportunities
  • Inclusive work environment