•Supervised and maintained electrical and electronic equipment at multiple telecommunication tower sites, ensuring optimal performance and minimal downtime.•Conducted regular preventive maintenance checks and repairs on electrical systems and equipment, enhancing operational efficiency and extending equipment lifespan.•Ensured all site activities adhered to safety regulations and industry standards, conducting safety audits and implementing corrective actions as necessary.•Coordinated with external vendors for procurement and maintenance services•Provided technical support and assistance to customers, resolving issues efficiently and maintaining high levels of customer satisfaction.