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Mechanical Project Manager - Critical Facilities - Hemel Hempstead

We are seeking an experienced Mechanical Project Manager to support the delivery of complex construction and engineering projects, primarily within data centres and critical facilities. Working closely with the Project Manager, you will play a key role in ensuring projects are delivered safely, on time, within budget, and to the highest quality standards, while maintaining strong client and stakeholder relationships.

Our clients business is growing year on year, driven by repeat clients and a strong pipeline of work across critical environments and complex mechanical projects. This growth is creating genuine opportunities for people to progress in building and construction industry.

Key Responsibilites

Support the Project Manager in the delivery of mechanical construction projects from pre-start through to completion

Coordinate site teams, subcontractors, and supply chain partners

Ensure compliance with HSQE, CDM, and environmental legislation

Maintain site standards, quality assurance processes, and project documentation

Manage programmes, RAMS, method statements, and site records

Chair and contribute to subcontractor meetings

Oversee testing, commissioning documentation, and handover records

Identify cost-saving and value engineering opportunities

Track costs and support pricing of variations and small works

Build and maintain strong relationships with clients and stakeholdersWe want someone with

Proven experience as a Mechanical Project Manager or Senior Project Engineer

Strong background in mechanical infrastructure, ideally within data centres or critical environments

Mechanical qualifications (essential)

SMSTS & CSCS Managers Card

Experience working with customer-facing contractors

Strong knowledge of planning software, SharePoint, and MS Office

Excellent communication, organisation, and time-management skills

Confident running productive site and subcontractor meetingsBenefits

Eligibility to join the Employee-Owned Trust (EOT) after 12 months

Private Healthcare & Private Dental Insurance

Life Insurance

Pension Scheme

Length of Service reward scheme

Position: Permanent

Location: Site-Based (Hemel Hempstead)

Hours: 07:00-16:00 (plus OOH)

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.