About Rehlko
Rehlko is a global leader in power and energy resilience. Formerly known as Kohler Energy, Rehlko has continually shaped the way the world powers homes, industries, and critical infrastructure.
As part of this exciting growth, WB Power Services has now become Rehlko. This transition marks our evolution into an OEM, allowing us to design, build, and deliver complete power solutions from the ground up. It’s a transformation that strengthens our technical capability, expands our product range, and deepens the value we offer to our clients.
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.
About the Role
As Pre‑Construction Manager, you will lead all pre‑construction activity for critical power projects across the UK. You will define scope and technical requirements, produce pre‑construction deliverables, manage procurement and approvals, and set the standards that enable safe, efficient on‑site delivery. You will line‑manage and develop the pre‑construction team and act as the technical interface between clients, Project Managers and delivery teams.
What You'll Be Doing
* Lead initial project assessments, defining scope, deliverables, technical requirements, acceptance criteria and interfaces for generator installations.
* Produce pre‑construction deliverables including design reports, cost plans, risk registers, procurement schedules and programme milestones.
* Prepare and manage detailed pre‑construction budgets, covering equipment, civils, M&E works, logistics and commissioning.
* Identify constructability issues early and drive design changes to avoid rework during installation.
* Establish quality benchmarks and inspection requirements prior to construction start.
* Prepare and issue tender packages for civils, electrical, mechanical and specialist trades.
* Review subcontractor bids, ensuring scope alignment, technical compliance and commercial clarity.
* Produce and maintain procurement schedules and manage long‑lead items to align with programme requirements.
* Line manage and develop the pre‑construction team, including mentoring, performance management and resource planning.
* Develop best practice methodology, processes and technical solutions to standardise delivery and reduce risk; review lessons learnt and implement improvements.
* Review emerging technologies for technical and commercial suitability and recommend adoption where appropriate.
What We’re Looking For
* Proven experience in pre‑construction, ideally in M&E or generator installations.
* Strong experience producing design reports, cost plans, risk registers and procurement schedules.
* Ability to read and interpret technical drawings and project plans.
* SMSTS, CSCS (manager level) and First Aid qualified.
* Strong working knowledge of health & safety legislation and temporary works.
* Excellent commercial awareness and experience reviewing subcontractor bids.
* Confident managing multiple projects and stakeholders simultaneously.
* Flexible to travel and stay away when required.
What You’ll Get
* Competitive Salary
* 10% or 15% salary uplift for a location allowance
* Company vehicle & fuel card, or an allowance
* Accommodation & meals paid if required to stay away
* 36 days holiday (incl. bank holidays)
* Real progression opportunities in a growing Projects team
* Death in Service
* Private Healthcare
* A supportive, fast-moving environment with a family-run feel