HVAP Day Engineer – Hayes/Uxbridge – £48,000 25 Days Holiday Benefits Introduction: An established building services provider is seeking an HVAP Day Engineer to join their team on a prestigious data centre site in Hayes, near Uxbridge. This is a static Monday–Friday role ideal for engineers with strong critical environment experience and an active HVAP qualification. Role Overview: As the HVAP Day Engineer, you'll be responsible for ensuring the reliability and performance of all M&E systems across the data centre. You’ll operate and maintain high-voltage systems, respond to faults, and manage planned maintenance routines to protect uptime in a business-critical setting. Key Responsibilities: * Carry out PPMs and reactive maintenance on electrical and mechanical systems * Take ownership of high-voltage switching operations as the HV Authorised Person * Ensure compliance with all site safety procedures and permit systems * Monitor UPS systems, standby generators, BMS controls, HVAC systems, and CRAC units * Diagnose faults and complete repairs on key infrastructure equipment * Maintain up-to-date records and complete job reports via CAFM system * Support subcontractors and ensure works are completed to high standards * Participate in site audits, incident investigations, and continuous improvement reviews * Liaise with the client and ensure a professional and responsive service is delivered Qualifications & Experience: * City & Guilds Level 3 or NVQ Level 3 in Electrical or Mechanical Engineering * Valid and in-date HV Authorised Person (HVAP) ticket – Essential * Experience working in a critical environment – ideally data centres * Knowledge of electrical distribution systems, UPS, generators, cooling systems, and building management systems (BMS) * Strong understanding of safe systems of work and permit control * Excellent communication and problem-solving skills On Offer: * £48,000 annual salary * Monday to Friday – 8am to 5pm * 25 days annual leave bank holidays * Life insurance * Company pension scheme * Long-term opportunity on a high-profile site