Construction Site Manager

WBPS is now Rehlko!

About Rehlko
Rehlko is a global leader in power and energy resilience, with a heritage that spans over 100 years. Since launching the first modern generator, we have continually shaped the way the world powers homes, industries, and critical infrastructure.


Today, Rehlko’s product range includes engines, generators, power conversion systems, UPS, EV components, electrification solutions, microgrid controls, clean energy technologies, and more. Our expertise serves a diverse spectrum of customers worldwide, from OEMs to industrial, commercial, and residential sectors.


As part of this exciting growth, WB Power Services has now become Rehlko UK. This transition means we retain the strong, values-led foundation of a family business, while being empowered by the scale, resources, and global vision of Rehlko. For our people, this means new opportunities, bigger projects, and a chance to shape the future of resilient, sustainable energy.

The Opportunity
We are currently seeking a Construction Site Manager to lead the safe, efficient, and successful delivery of construction projects on site. Acting as Rehlko's on-site representative, you will take ownership of each project, manage subcontractors, and ensure compliance with health and safety regulations and company procedures. The successful candidate will have significant site-based experience within the construction, M&E, or power sectors and will be comfortable operating as the principal or subcontractor’s representative.

Key Responsibilities

Take full responsibility for day-to-day operations on construction sites, ensuring all work is delivered to specification, on time, and within budget.
Lead and manage WBPS and subcontractor teams on-site.
Act as the primary Health & Safety authority on site, upholding WBPS procedures and enforcing safe working practices at all times.
Prepare and approve WBPS RAMS; review and sign off subcontractor RAMS.
Maintain WBPS’s Permit to Work and Isolation Procedure systems on site.
Proactively manage site issues, reporting significant risks or delays to the Project Manager or Technical Director.
Build strong working relationships with clients, contractors, and internal teams to ensure smooth project delivery.
Plan works with the Projects team and report progress to relevant stakeholders.
Attend occasional meetings at Head Office (Derbyshire) such as project handovers and team briefings.
Represent the business in a professional manner and promote a culture of safety and excellence on every site.
Perform pre-start checks and post-completion inspections to ensure all works meet WBPS quality standards.To be successful in this role, you will have:

Proven experience as a Site Manager in construction or industrial M&E environments.
SMSTS certification (essential).
Strong working knowledge of ISO standards and health & safety legislation.
Confidence managing subcontractors, enforcing RAMS, and acting as site lead.
Ability to interpret technical drawings and project documentation.
Excellent communication skillswith a strong client-facing manner.
Strong IT skills and willingness to use internal systems (ERP, SharePoint, etc.).
Flexibility to travel and work away from home as required.
Desirable: Experience in the power generation sector (especially generators), or M&E projects.What We Offer

Competitive Salary with location allowances
Company vehicle
Private healthcare
28 days holiday plus bank holidays
Death in service benefit
Outstanding employee assistance programme
Expenses covered when working away
Career development opportunities in senior or project management roles
A supportive, family-run culture focused on quality, respect, and integrity