Senior Health and Safety Manager

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