Mechanical Services Design Engineer

Henderson Drake

HD-Tech are proud to be partnering with one of our long-standing construction clients to recruit a talented Mechanical Services Design Engineer.

This is a fantastic opportunity to join a leading fit-out and refurbishment contractor, working on high-profile commercial projects across London and the South East.

Position: Mechanical Services Design Engineer

Location: London
Reporting to: Mechanical Services Director

Overview:

You will be an integral part of the pre-construction team, responsible for the design of HVAC, water, and waste services. Your focus will be on delivering compliant, high-quality, and scope-aligned designs from concept through to detailed stage.

Key Responsibilities:

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Assist in scoping and quantifying mechanical and public health services requirements

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Develop detailed designs in line with performance specifications (including RIBA Stage 4)

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Select appropriate mechanical plant and equipment

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Conduct thermal modelling using IES or similar software

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Produce detailed mechanical and PH layouts, schematics, and drawings using AutoCAD and Revit

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Accurately size ductwork and pipework systems

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Prepare equipment schedules (e.g., FCUs, AHUs, HRUs, attenuators, grilles, fire dampers)

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Compile technical submissions and reports for client and consultant review

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Coordinate designs with other building services to avoid clashes and ensure project integration

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Carry out site surveys and provide ongoing design support throughout the project lifecycle

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Ensure compliance with building regulations, health and safety standards, and best industry practices

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Provide support and mentorship to junior engineers

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Adhere to all internal quality, environmental, and health & safety policies

Skills & Experience Required:

Essential:

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Minimum of 5 years’ experience in mechanical and public health services design

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Proficient in AutoCAD

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Degree qualified in Building Services Engineering or Mechanical Engineering

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Strong understanding of thermodynamics and experience with thermal modelling software

Desirable:

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Experience in commercial D&B (Design & Build) projects

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Proficiency with IES VE and Revit

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Familiarity with AutoCAD MEP

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Background in mechanical services design for commercial fit-out projects