Mechanical Design Engineer - Building Services (HVAC, Water & Waste)

Location: Manchester (Office-based / Hybrid)

About the Role

A leading contracting firm in Manchester is seeking a skilled Mechanical Design Engineer to lead the design of air conditioning, domestic water, and drainage/waste systems. You will oversee the process from concept through to detailed design, ensuring technical robustness and compliance across commercial projects.

Responsibilities

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Design mechanical building services including HVAC systems, domestic hot & cold water, and waste/drainage solutions.

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Collaborate with contractors, site engineers, and external consultants to integrate mechanical systems into building designs effectively.

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Create GA drawings, system schematics, load calculations, and design specifications.

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Use Revit MEP or equivalent CAD/BIM tools to coordinate mechanical systems with structural and architectural disciplines.

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Provide practical, buildable designs that align with budget, programme, and CDM compliance.

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Address design queries raised during construction and offer timely technical solutions.

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Participate in tender preparation, cost estimation, and value engineering exercises.

Essential Requirements

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Experience working within a contractor or design-build environment managing mechanical services packages.

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Proven background in designing air conditioning systems, plumbing (water supply), and waste/drainage systems.

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Proficiency in mechanical design software such as Revit MEP, AutoCAD, or BIM-based tools.

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Strong coordination and stakeholder communication skills.

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Sound understanding of building regulations (e.g., Part L, CIBSE guidelines), CDM 2015, and standards for mechanical installations.

Desirable Experience

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Background working on commercial, healthcare, or education projects.

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Member of a professional institution (e.g., CIBSE) or in pursuit of Chartered status (CEng).

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Experience with early-stage consultancy, specification writing, or site commissioning