Full job descriptionMechanical Engineering Site Manager (Security Cleared-SC or DV)
Location: Berkshire (site-based, 5 days per week)
Salary: £70,000 (ideally) but will go to £80,000 (depending on experience)
Employment Type: Permanent
Security Clearance: SC or DV clearance required


Role Overview
We are seeking an experienced Mechanical Site / Projects Manager to lead the delivery of mechanical engineering (Heating/Plumbing) works on a secure site in Berkshire. This role will suit a technically strong individual with a background in mechanical engineering within a construction environment, particularly across heating, plumbing, and sustainable energy systems.
You will be responsible for overseeing the successful design, coordination, and delivery of mechanical solutions related to Heating/Plumbing solution, while managing a team of security-cleared project managers and engineers. This is a hands-on leadership role requiring both technical expertise and strong site management capability.


Key Responsibilities
*Lead the delivery of mechanical works on a secure construction site, ensuring projects are completed safely, on time, and within budget
*Manage and coordinate teams of security-cleared project managers, engineers, and subcontractors
*Oversee installation and commissioning of mechanical systems including:
*Plumbing and heating systems
*Anyone with additional experience with the following will be useful however not essential: Underfloor heating systems, MVHR (Mechanical Ventilation with Heat Recovery), Air source and ground source heat pumps, Solar PV etc
*Ensure compliance with all relevant health & safety regulations and site procedures
*Review and manage mechanical designs, specifications, and technical submissions
*Act as the key point of contact between stakeholders, contractors, and internal teams
*Monitor project progress, resolve technical issues, and ensure quality standards are met
*Maintain accurate project documentation and reporting


Person Specification
Essential Experience & Skills:
*Proven experience as a Mechanical Site Manager or Site Projects Manager within the construction or building services sector (Fit-out/refurb works)
*Strong background in mechanical engineering, particularly plumbing, heating including renewable systems (desirable)
*Experience in design and delivering complex mechanical installations in a site-based environment
*Previous experience managing teams, including engineers and project managers
*Strong understanding of mechanical design, installation, and commissioning processes
*Experience working in highly regulated or secure environments is highly desirable
*Excellent stakeholder management and communication skills
Qualifications & Certifications:
*Formal qualification in Mechanical Engineering, Building Services Engineering, or Heating Engineering (HNC/HND/Degree or equivalent)
*SMSTS (Site Management Safety Training Scheme) – essential or highly desirable
*Valid CSCS card – essential
*SC or DV clearance (active or previously held and eligible to reinstate) – essential


Additional Requirements
*Must be able to work on-site in Berkshire full-time
*Willingness to undergo or maintain security clearance as required
*Strong commitment to safety, quality, and compliance


What’s on Offer
*Competitive salary package (£70k–£80k)
*Opportunity to work on a high-profile, secure project
*Long-term, stable permanent position
*Leadership role with scope to influence delivery and team performance