Senior Mechanical Engineer

X4 Group; Watford; On-site; GBP 42,000 - 70,000; Full time

Job summary

X4 Group is seeking a Senior Mechanical Design Engineer in Watford to lead mechanical design across residential and commercial projects. This role demands strong client-facing skills and collaboration with multidisciplinary teams to deliver high-quality engineering solutions.

You will contribute to concept through to completion, perform calculations, and support project coordination while ensuring alignment with client briefs and company objectives.

Qualifications

• 5+ years’ experience within a UK MEP / Building Services Consultancy.
• Degree or relevant qualification in Mechanical Engineering, Building Services Engineering or a related discipline.
• Experience across a range of building services sectors.
• Strong understanding of mechanical building services design, including HVAC, heating, cooling and ventilation systems.
• Experience using relevant mechanical design and calculation software.
• Good working knowledge of CAD and/or Revit.
• Ideally working towards Chartership with a recognised engineering institution.
• Confident communicator with the ability to work effectively with clients and multidisciplinary teams.
• Strong technical and project coordination skills.

Responsibilities

• Lead and contribute to mechanical design across projects from concept through to completion.
• Work closely with clients, architects, contractors and other consultants.
• Support project delivery alongside senior team members.
• Attend design team meetings and develop client-facing experience.
• Undertake site inspections and provide technical reports.
• Carry out mechanical design calculations and technical assessments.
• Contribute to project coordination and technical decision-making.
• Support colleagues and collaborate across wider disciplines where required.
• Help ensure projects meet client briefs, technical requirements and company objectives.

Education

Degree in Mechanical Engineering or Building Services Engineering

Tools

CAD and/or Revit

Job description

Job Title: Senior Mechanical Design Engineer

Salary: up to £70,000 DOE

Location: Watford, UK

Job Type: Permanent

We’re currently recruiting for a Senior Mechanical Engineer to join an established building services consultancy in Watford, supporting the delivery of a growing portfolio of residential and commercial projects. This is an excellent opportunity for an experienced mechanical engineer looking to take on greater responsibility, strengthen client-facing skills and progress within a supportive team environment.

Key Responsibilities:

• Lead and contribute to mechanical design across projects from concept through to completion.
• Work closely with clients, architects, contractors and other consultants.
• Support project delivery alongside senior team members.
• Attend design team meetings and develop client-facing experience.
• Undertake site inspections and provide technical reports.
• Carry out mechanical design calculations and technical assessments.
• Contribute to project coordination and technical decision-making.
• Support colleagues and collaborate across wider disciplines where required.
• Help ensure projects meet client briefs, technical requirements and company objectives.

Experience and Qualifications Required:

• 5+ years’ experience within a UK MEP / Building Services Consultancy.
• Degree or relevant qualification in Mechanical Engineering, Building Services Engineering or a related discipline.
• Experience across a range of building services sectors.
• Strong understanding of mechanical building services design, including HVAC, heating, cooling and ventilation systems.
• Experience using relevant mechanical design and calculation software.
• Good working knowledge of CAD and/or Revit.
• Ideally working towards Chartership with a recognised engineering institution.
• Confident communicator with the ability to work effectively with clients and multidisciplinary teams.
• Strong technical and project coordination skills.