Hesron Leonard
Senior Core Facilty Engginer & Chief Building
Medan,North Sumatera
Summary
I am an Electrical Engineer with a strong background in leadership team for maintaining, repairing, and operating electrical and electronic equipment. I have a deep understanding of electrical systems, software that support efficient and safe operations, innovative recognized for expertise in energy efficiency and capacity planning. Skilled at developing preventive maintenance programs and ensuring compliance with regulatory standards to enhance system reliability and performance.
I am very enthusiastic to continue learning, innovating, and contributing to help a team achieve company goals
Overview
12
12
Certifications
19
19
years of professional experience
Work History
Senior Core Facility Engineering
SM Plus Data Center
medan, NORTH SUMATERA
01.2025 - Current
- Project Management & Core Infrastructure Upgrades: Lead project implementation by overseeing end-to-end core facility system upgrades—from strategy and timeline planning to resolving inter-system dependencies. Validate design documents by reviewing and approving architectural and facility designs related to civil works and mechanical/electrical systems (e.g., PAC & AC cooling systems, electrical systems such as panels, generator sets, UPS, rectifiers, and FM200/fire protection) in accordance with international engineering standards.
- System Maintenance & Reliability: Develop maintenance programs by designing and directing preventive and predictive maintenance schedules for all critical equipment to minimize the risk of sudden failure. Conduct Root Cause Analysis (RCA) by performing in-depth investigations into complex technical disruptions and implementing long-term solutions to prevent recurrence.
3. Energy Efficiency & Capacity (Sustainability): Manage capacity planning by monitoring current utility utilization and planning for future expansions to support the company's evolving operational needs. Implement efficiency programs by introducing new technologies or work methods to reduce energy consumption without compromising system performance. - Vendor, Contractor, and Budget Management: Oversee third parties by coordinating external contractors and consultants to ensure their work meets specifications, timelines, and safety standards. Prepare cost estimates (budgets) covering materials, labor, and costs for repair projects or new equipment procurement.
- Regulatory Compliance & Safety Standards & Manage technical documentation, including maintenance records, system commissioning results, and as-built drawings, to facilitate audits.
- Managed time efficiently in order to complete all tasks within deadlines.
- Adaptable and proficient in learning new concepts quickly and efficiently.
Chief Building Engineer
UG Mandiri
08.2024 - 12.2024
- Developed and implemented preventive maintenance schedules for HVAC, electrical, and plumbing systems.
- Conducted regular inspections to identify potential issues and implement timely solutions.
- Developed and implemented preventive maintenance schedules for HVAC, electrical, Civil and plumbing systems.
- Supervised technical staff, providing training and guidance on equipment handling and troubleshooting.
- Monitored systems to assure increase in power flow and integrated new system components, fixtures and motors.
- Coordinated with external contractors as needed, ensuring seamless integration of services while maintaining cost control measures in place.
- Managed a team of engineers to ensure timely completion of maintenance tasks, improving overall efficiency.
Critical Core Facility Engineering
PT.Smartfren Telecom
04.2015 - 07.2023
- Worked well in a team setting, providing support and guidance.
- Demonstrated respect and friendliness while assisting team members.
- Assisted with day-to-day operations, working efficiently and productively with all team members.
- Passionate about learning and committed to continual improvement.
- Managed time efficiently in order to complete all tasks within deadlines.
- Worked flexible hours across night, weekend, and holiday shifts.
- Learned and adapted quickly to new technology and software applications.
- Skilled at working independently and collaboratively in a team environment.
Power System Staff
PT.Mobile-8 Telecom
04.2007 - 04.2015
- Assisted in training new staff on operational procedures and customer interaction techniques.
- Kept work areas clean, organized, and safe to promote efficiency and team safety.
- Design & Planning: Creating installation designs, single-line diagrams, and electrical load calculations.
- Maintenance & Repair: Performing routine inspections, preventive maintenance, and repairs on network components or electrical equipment.
- Troubleshooting: Resolving technical issues or malfunctions in electric power systems in the field.
- Analysis & Testing: Conducting simulations or system performance tests to ensure network stability and the safe operation of equipment.
- Documentation & Compliance: Preparing periodic work reports and ensuring the system meets electrical safety standards.
Education
Bachelor's Degree in Electrical Engineering - Electrical Engineering
Institute of Technology Medan
Medan 04.2001 -
Skills
Electrical Engineering
Wiring design
HVAC systems
Electrical System Management
Rectifier & UPS Operator
Electrical design
Maintenance & Troubleshooting
Building Maintenance
Microsoft Office
Problem-solving
Teamwork and collaboration
Client Relationship Management
Certification
LicensSertifikat Kompentesi Operator senior local unit PLTD kecil PT.Ofied [Job Title] - [Timeframe]
Timeline
Senior Core Facility Engineering
SM Plus Data Center
01.2025 - Current
Chief Building Engineer
UG Mandiri
08.2024 - 12.2024
Critical Core Facility Engineering
PT.Smartfren Telecom
04.2015 - 07.2023
Power System Staff
PT.Mobile-8 Telecom
04.2007 - 04.2015
Bachelor's Degree in Electrical Engineering - Electrical Engineering
Institute of Technology Medan
04.2001 -