Site Manager – Battery Energy Storage System (BESS)

Location: Rothienorman Substation, UK

Project: 49.99 MW Battery Energy Storage System (BESS) connected at 33 kV

Contract Duration: September 2026 – September 2027

Overview

We are seeking an experienced Site Manager to oversee the delivery of a 49.99 MW Battery Energy Storage System (BESS) project connected at 33 kV at Rothienorman Substation.

The end client has extensive experience delivering major infrastructure projects internationally; however, this will be their first project in the UK market. As such, they are looking for a strong on-site presence capable of ensuring safe, efficient, and high-quality project execution while acting as the primary interface between the client, contractors, and stakeholders on site.

The successful candidate will work closely with the wider back-office energy storage team, who will provide technical support where required, while taking overall responsibility for day-to-day site coordination and management.

Key Responsibilities

• Lead and manage all on-site activities throughout the construction and commissioning phases of the project
• Act as the primary on-site representative for the client
• Coordinate civil, electrical, and BESS installation works to ensure programme milestones are achieved
• Oversee site health & safety compliance in line with UK regulations and project standards
• Manage subcontractors, suppliers, and site personnel
• Ensure all works are completed in accordance with quality standards, specifications, and approved designs
• Monitor project progress and provide regular updates to the client and project stakeholders
• Coordinate interfaces between electrical and civil packages
• Support commissioning activities and ensure successful project handover
• Identify and mitigate site risks and resolve construction-related issues proactively
• Maintain accurate site documentation, reporting, and records

Requirements

• Proven experience delivering Battery Energy Storage System (BESS) projects
• Previous experience managing both civil and electrical aspects of infrastructure or energy projects
• Strong understanding of HV/MV electrical systems, ideally including 33 kV connections
• Experience managing subcontractors and multidisciplinary site teams
• Good knowledge of UK health & safety regulations and construction standards
• Strong communication and stakeholder management skills
• Ability to operate independently and provide strong on-site leadership
• Relevant construction or engineering qualifications preferred

Desirable Experience

• Previous experience working on utility-scale renewable energy or power infrastructure projects
• Experience working with substations or grid connection projects
• SMSTS, CSCS, or equivalent UK site certifications
• Knowledge of BESS commissioning and energisation processes

Contract Details

• Start Date: September 2026
• End Date: September 2027
• Location: Rothienorman Substation
• Project Type: Utility-scale Battery Energy Storage System (BESS)
• Connection Voltage: 33 kV

Darwin Recruitment is acting as an Employment Business in relation to this vacancy.

Minenhle Mdluli