Onsite Manager

JR United Kingdom; Chelmsford; On-site; GBP 45,000 - 70,000; Full time

Job summary

A leading company in the energy sector is seeking an experienced Construction Manager for HV and BESS projects. This key role involves leading on-site teams and ensuring projects are delivered safely and efficiently. Candidates should possess strong knowledge in NEC3 and FIDIC contracts, commercial awareness, and excellent communication skills.

Qualifications

• Proven track record in construction management for HV, BESS or infrastructure projects.
• Strong knowledge of NEC3, FIDIC or similar construction contracts.
• Experience managing subcontractors and leading site teams.

Responsibilities

• Lead mobilisation, on-site construction, and project handover for grid-connected energy projects.
• Manage subcontractors and site teams to deliver in line with NEC3/FIDIC contracts.
• Ensure health & safety, quality, and compliance across all phases.

Skills

Construction Management

Health & Safety

Communication

Contractual Navigation

Job description

Social network you want to login/join with:

Grid-scale Battery Storage (BESS) & High Voltage (HV)

? Location: Durham - onsite everyday

This is a key delivery role, responsible for managing subcontractors, coordinating internal and external teams, and ensuring safe, timely and commercially sound project execution.

? Key Responsibilities:

• Lead mobilisation, on-site construction, and project handover for grid-connected energy projects
• Manage subcontractors and site teams to deliver in line with NEC3/FIDIC contracts
• Ensure health & safety, quality, and compliance across all phases
• Maintain strong relationships with clients, partners, and stakeholders
• Oversee site progress and reporting aligned with project governance and commercial goals
• Support internal teams to ensure designs, budgets and programmes are maintained

What We’re Looking For:

• Proven track record in construction management for HV, BESS or infrastructure projects
• Strong knowledge of NEC3, FIDIC or similar construction contracts
• Confident managing subcontractors and leading multi-disciplinary site teams
• Commercial awareness and experience navigating contractual obligations
• Excellent communication and reporting skills
• Knowledge of CDM and relevant health & safety legislation

NO sponsorship is offered for this position