Site Manager - Mechanical
Requirements
The posting does not specify formal qualifications or a minimum number of years of experience. The role calls for experience and capability in site management, mechanical installation, HSEQ and RAMS, project coordination, cost and contract management, drawing review, and subcontractor oversight.
Job Description
Department: Contracts
Location: London
What We Do:
Operating from our advanced manufacturing facilities in Ireland, we specialise in the design, development, fabrication and delivery of innovative, sustainable and fully integrated offsite prefabricated solutions. Our engineered systems are manufactured in Ireland and deployed throughout the UK and Europe, supporting major commercial, industrial and mission-critical sectors.
As one of Europe's leading providers of Offsite Manufacturing solutions, we partner with contractors and developers to deliver high-performance modular MEP systems for mission-critical data centre projects. Our expertise in offsite manufacturing enables us to improve program certainty, reduce on-site activity, enhance quality and accelerate project delivery, and support the continued growth of digital infrastructure across the UK and Europe.
Role Overview:
The successful candidate will be responsible for managing all installation activities on site, the candidate will be working alongside and in tandem with other Alternative Heat (AH) delivery team representatives and will be required to interface with various AH departments such as the design and commercial teams.
Job Title | Site Manager - Mechanical
Location | London
Hours | Monday-Thursday 8am-5pm and Friday 8am-3pm
Salary | Competitive Depending on Experience
Reporting to | Project manager
What You'll be Doing
Responsible for ensuring compliance with company HSEQ policies and procedures throughout the project, including the development and maintenance of accurate RAMS and the safe, efficient delivery of all works. The role involves liaising with clients, customers, contractors, supply chain partners and internal teams to coordinate project activities, procure plant and equipment in line with specifications, review design drawings and ensure compliance with current regulations. Working closely with the commercial team, responsibilities include monitoring material and labour costs, managing contract variations and monthly claims, and ensuring projects are delivered within budget and to the agreed programme. The role also involves surveying existing services, supporting the preparation of installation and as-installed drawings, compiling O&M manuals, managing subcontractors under appropriate JCT contracts, and collaborating with the wider MEP management, project delivery and Alternative Heat teams to ensure works are completed safely, efficiently and to the required standard. Additional duties may be undertaken as required by management.
Skills
About Alternative Heat Ltd
With over 20 years of experience within the Commercial Offsite Fabrication industry, Alternative Heat have established themselves as a market leader in this sector. Located centrally between Dublin and Belfast our 8.5 acre Head Office and fabrication facilities, which are fully equipped with overhead cranes and 8,000m² of workshop floor area, provide an ideal factory construction environment which is reflected in the high quality solutions we offer. We employ a strong team of design engineers, CAD technicians, contracts managers and skilled trades personnel who utilise their vast industry experience to assist in the design, fabrication and delivery of our bespoke MEP solutions, which we supply throughout the UK and Ireland.
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