Site Manager

Why Work at Rehlko
Our work is guided by our purpose: creating an energy-resilient world for a better future. This purpose embodies the legacy we bring, with more than 100 years as the global leader in energy resilience, delivering solutions critical to sustain and improve life.
Our teams have the opportunity to provide a critical resource – energy – that ensures safety, security, and independence for people around the world. Our team members are focused on pushing boundaries, continuing to innovate in an ever-changing landscape, and keeping up with the pace required to create solutions for today’s world demands.
Our product range includes engines, generators, power conversion, UPS systems, EV components and electrification solutions, microgrid controls and management, and clean energy solutions that serve a broad spectrum of OEM, residential, industrial, and commercial customers. At Rehlko, you have the freedom to identify, create, and deliver solutions – large and small – that help people and communities thrive in the moments that matter.
At Rehlko, our team members are the essential energy that powers our organization’s success. We are committed to fostering a safe and sustainable work environment where safety is everyone’s responsibility. We empower every team member to actively participate in our Zero Is Possible safety culture by encouraging open communication, proactively reporting hazards, following protocols, and suggesting improvements. Join us in creating an energy resilient world for a better future!

What We Offer
At Rehlko, our Total Rewards programs are designed to accelerate growth, energize performance, and support a culture of inclusion at every stage of life and work. We offer total rewards that are easily understood, recognize results, enable career mobility, and reflect our commitment to valuing diverse needs in a fast-moving world. We provide:

• Competitive compensation and benefits
• Work-life flexibility
• Recognition and rewards
• Development and career opportunities
• A safe and inclusive workplace

Why You Will Love this Job
The Role
We are looking for an experienced Construction Site Manager to take full responsibility for day-to-day operations across our construction and installation sites. You’ll lead from the front, managing Rehlko and subcontractor teams to deliver projects safely, efficiently, and to the highest standards, with a particular focus on the installation of large diesel generator systems into hyperscale projects.
You’ll act as the key on-site authority for Health & Safety, drive quality and compliance, and build strong working relationships with clients and internal stakeholders to ensure projects are completed on time and within budget.
This role offers the chance to work on diverse and technically complex projects within the power generation and M&E environments, alongside genuine career development opportunities into senior management or project leadership roles.

Key Responsibilities

• Take full responsibility for daily site operations, ensuring works are completed safely, to specification, on programme, and within budget
• Lead and manage both Rehlko (WBPS) personnel and subcontractor teams on site
• Act as the primary Health & Safety authority, enforcing safe systems of work and company procedures at all times
• Prepare and approve company RAMS, and review and sign off subcontractor RAMS
• Manage Permit to Work and Isolation procedures across all site activities
• Identify, mitigate, and report risks, escalating any significant issues or delays to the Project Manager or Technical Director
• Build and maintain strong working relationships with clients, contractors, and internal teams
• Collaborate with the Projects team to plan works and provide regular progress updates to stakeholders
• Attend Head Office meetings in Derbyshire as required for project handovers and team briefings
• Represent the business professionally, promoting a culture of safety, quality, and operational excellence
• Carry out pre-start inspections and post-completion checks to ensure all works meet Rehlko quality standards

What You’ll Need

• Proven experience as a Site Manager within construction or industrial M&E environments
• SMSTS certification (essential)
• Strong working knowledge of ISO standards and current Health & Safety legislation
• Experience managing subcontractors, enforcing RAMS, and leading site operations
• Ability to read and interpret technical drawings and project documentation
• Strong leadership and communication skills, with a professional, client-facing approach
• Good IT proficiency, including experience with systems such as ERP and SharePoint
• Flexibility to travel extensively and work away from home, including overseas assignments in Europe
• Desirable: experience within power generation or wider M&E sectors

What We Offer

• Competitive salary dependent on experience
• Company vehicle
• Private healthcare
• 28 days holiday plus bank holidays
• Death in service benefit
• Comprehensive Employee Assistance Programme
• All expenses covered when working away
• Clear career progression opportunities into senior or project management roles
• A supportive, family-led culture backed by the global strength of Rehlko

About Us
Rehlko proudly offers a rich history steeped in creativity and commitment to our associates and communities, along with competitive benefits and compensation. Our Purpose—Creating an energy resilient world for a better future—and Values: Curiosity, Trust, Pace, and Excellence, are important cultural components that shape the way we work and relate to one another.
Rehlko is an equal opportunity employer that prohibits discrimination and will make decisions regarding employment opportunities, including, but not limited to, hiring, job assignment, compensation, promotion, benefits, training, discipline, and termination, promote equal opportunities in every aspect of our process.

Our Values
Curiosity
– Seek, learn, share
Trust
– Go farther together
Pace
– Focus to go faster
Excellence
– Find the win every day