Role Overview
A leading engineering services contractor is seeking an experienced Senior Health & Safety Manager to lead all aspects of health, safety, and wellbeing on a major new-build data centre project in East London. Operating as Principal Contractor under the Construction (Design and Management) Regulations 2015, this role will be responsible for ensuring full regulatory compliance, driving a positive safety culture, and delivering industry‑leading HSE performance across the project lifecycle.
Key Responsibilities
* Lead the development and implementation of the Construction Phase Plan and project‑specific HSE strategies
* Ensure compliance with all relevant UK legislation including the Health and Safety at Work etc. Act 1974
* Act as the senior HSE advisor to the Project Director and leadership team
* Oversee all site‑based HSE personnel, including advisors and officers
* Manage and coordinate subcontractor HSE performance, ensuring alignment with company standards
* Lead incident investigations, root cause analysis, and implementation of corrective actions
* Conduct regular audits, inspections, and site safety tours
* Deliver HSE reporting to senior stakeholders, including KPIs and compliance metrics
* Promote behavioural safety programmes and a proactive safety culture
* Ensure effective risk management processes including RAMS review and approval
* Liaise with external bodies such as the Health and Safety Executive and client representatives
* Support project delivery while maintaining strict adherence to safety, quality, and programme objectives
Key Requirements
Essential:
* NEBOSH Diploma (or equivalent Level 6 qualification in Occupational Health & Safety)
* Chartered Membership of the Institution of Occupational Safety and Health (CMIOSH) or working towards
* Significant experience in a Senior HSE role on large‑scale construction projects
* Proven experience working under CDM as Principal Contractor
* Strong knowledge of high‑risk activities (e.g., MEP installations, lifting operations, confined spaces, temporary works)
* Experience on data centre, mission‑critical, or major infrastructure projects
* Excellent leadership, communication, and stakeholder management skills
Desirable:
* Experience within engineering services / MEP contractors
* Temporary Works Coordinator or Appointed Person (Lifting) certification
* Environmental management knowledge (ISO 14001)
O’Neill and Brennan values diversity and promotes equality, All individuals will be treated in a fair and equal manner and in accordance with the law regardless of gender, marital status, race, religion, colour, age, disability or sexual orientation
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