Summary
Power & Utilities Technician with over 10 years of experience in electrical maintenance, generator automation and grid-integrated power systems across telecom and critical infrastructure environments. Strong expertise in MV/LV transformer installation, Deep Sea Electronics (DSE) generator controller configuration, ATS systems, hybrid power integration (Grid–Generator–Solar–Battery/UPS), and AC/DC distribution systems. Experienced in preventive and corrective maintenance, Root Cause Analysis (RCA), BMS alarm monitoring and SAP PM work management. Proven ability to ensure power reliability, safe energization and emergency response in mission-critical environments.
Public Profile url: Hodaifo Carlos Raul Xavier
Professional Data
Industry
Experience: 10 years
Education
Education
Universidade Eduardo Mondlane
Instituto Industrial e Comerciall da Beira
Instituto Industrial e Comercial Eduardo Mindlane
Experience
Data Center Enginier
Huawei
• QA/QC supervision during construction and commissioning of a 1MW Data Center facility. • Supervised installation, testing and energization of LV switchboards, distribution panels, UPS systems and backup generators. • Performed insulation resistance testing (Megger) and verification of cable integrity before energization. • Conducted protection system checks including ACB/MCCB settings and coordination verification. • Participated in testing & commissioning (T&C) of critical power infrastructure prior to operational handover. • Applied LOTO procedures to ensure safe isolation during maintenance and energization activities. • Performed thermal inspections and early fault detection to prevent overheating and electrical failures. • Conducted root cause analysis (RCA) for electrical anomalies and implemented corrective actions. • Coordinated with contractors ensuring strict compliance with safety standards and project specifications. *Telecommunications Modernization & Solar PV Projects* • Provided technical supervision and QA/QC support for telecom infrastructure modernization projects. • Supervised installation and commissioning of solar PV systems for mobile network base stations. • Oversaw integration of hybrid power systems (Grid + Generator + Solar + Battery/UPS). • Ensured compliance with electrical safety standards and project specifications. • Coordinated with subcontractors during site upgrades and power system installations. • Supported energy optimization initiatives to improve site reliability and reduce generator runtime.
Data Center Technician
Comserv Moçambique
Performed preventive and corrective maintenance on mission-critical AC/DC systems. • Operated and monitored infrastructure via BMS ensuring rapid alarm response. • Conducted battery autonomy testing and UPS performance verification. • Performed generator load testing and fuel system inspections. • Operated Triple Change Over systems (Grid–Generator–UPS/Bypass). • Executed insulation resistance testing (Megger) and grounding verification. • Managed work orders using SAP PM. • Responded to electrical emergencies including short-circuit incidents.
Senior Maintenance Technician
Comserv Moçambique
Configured and commissioned Deep Sea Electronics (DSE) generator controllers (protection settings, alarm logic, auto-start parameters). • Configured and tested ATS controllers ensuring seamless automatic power transfer. • Integrated generator–ATS–rectifier–battery systems. • Coordinated with EDM during grid energization and restoration activities. • Conducted load analysis and generator performance verification. • Executed preventive and corrective maintenance on AC/DC systems. • Applied structured maintenance practices to improve system reliability.
Técnico Electrónico
CEI- UEM
• Installed and maintained electronic and instrumentation systems. • Conducted electrical testing, calibration and diagnostics. • Performed component-level troubleshooting and repairs. • Ensured compliance with safety procedures during maintenance activities.
Tecnico De Operacao e Manutensao de BTS OEM
Movitel.SA
• Conducted technical surveys for new telecom sites including load assessment. • Supervised installation of MV/LV transformers. • Installed and commissioned diesel generators and rectifier systems. • Configured generator and ATS controllers. • Integrated BTS power systems ensuring compliance with EDM utility grid. • Executed preventive and corrective maintenance to maintain site availability.
