MARTINA LISELI NYIRENDA
Lusaka
Summary
Motivated and results-driven Electrical Engineer with 4+ years of experience in high-voltage operations, maintenance, and project management in the electrical distribution sector. Specialize in 33kV systems, HV/LV network operations, and safety compliance under Distribution Safety Rules. Certified as a Senior Authorised Person (SAP) at 33kV and holds a Master of Science in Project Management. Committed to engineering excellence, innovation, and delivering safe, reliable energy systems. Skilled in applying engineering principles to real-world problems, leading to impactful solutions. Utilizes analytical skills and technical knowledge to enhance operational efficiency with a track record of effective team collaboration and successful project completion. Professional engineer prepared for this role. Expertise in problem-solving, system optimization, and project management. Strong focus on team collaboration and achieving results. Reliable and adaptable with skills in CAD, process improvement, and technical analysis. Known for effective communication and innovative solutions.
Overview
4
4
years of professional experience
6
6
Certification
Work History
Engineer – Maintenance
ZESCO Limited
01.2024 - Current
- Lead maintenance and fault rectification activities across 3,000+ distribution transformers and 13 bulk substations (33/11kV) and their respective switchgear.
- Conduct HV switchings, shutdown coordination, and safety authorizations.
- Supervise maintenance teams, enforce SHEQ standards, and liaise with system controllers.
- Manage network reinforcement projects and optimize system reliability.
- Lead routine and preventive maintenance activities on overhead and underground 11kV/33kV distribution systems to ensure reliable power supply and minimize unplanned outages.
- Implement transformer and cable security strategies by relocating units closer to residential areas, welding them to platforms, and replacing copper PVC with aluminium aerial bundled conductors (ABC), resulting in a significant reduction in vandalism.
- Design and execute distribution network reinforcement projects, including uprating of overloaded transformers, installation of new units, and conversion of single-phase MV lines to three-phase systems to address low voltage and load balancing.
- Supervise application of PG clamps across the network to reduce service-related faults and improve system reliability.
- Analyze system performance and load patterns to support feeder reconfiguration, optimize transformer loading, and enhance supply quality.
- Introduce the use of steel materials for transformer earthing systems to improve system safety, durability, and vandalism resistance.
- Respond to customer complaints and system faults with rapid diagnosis and resolution strategies, improving service restoration times and customer satisfaction.
- Prepare technical reports, maintenance logs, and fault analysis summaries for internal decision-making and compliance audits.
- Mentor junior engineers and technicians in maintenance procedures, safety practices, and regulatory standards, contributing to skills development and operational efficiency.
- Promote the use of digital tools for asset condition monitoring and maintenance planning to support data-driven decision-making.
Engineer - Maintenance
ZESCO Limited
11.2023 - 01.2024
- Established strong working relationships with clients through exceptional communication skills, fostering trust and collaboration.
- Led project planning sessions, establishing timelines and resource allocation for successful execution.
- Mentored junior engineers, providing guidance on best practices and technical skills development.
- Collaborated with cross-functional departments such as Operations, Technical Services, Distribution Planning, Distribution Projects, SHEQ to troubleshoot complex technical issues effectively.
- Supervise maintenance teams, enforce SHEQ standards, and liaise with system controllers.
- Manage network reinforcement projects and optimize system reliability.
- Lead routine and preventive maintenance activities on overhead and underground 11kV/33kV distribution systems to ensure reliable power supply and minimize unplanned outages.
- Introduce the use of steel materials for transformer earthing systems to improve system safety, durability, and vandalism resistance.
- Respond to customer complaints and system faults with rapid diagnosis and resolution strategies, improving service restoration times and customer satisfaction.
- Prepare technical reports, maintenance logs, and fault analysis summaries for internal decision-making and compliance audits.
Graduate Electrical Engineer – Operations and Maintenance
ZESCO Limited
10.2020 - 11.2023
- Delivered preventive and corrective maintenance for 33kV/11kV/0.4kV overhead and underground networks.
- Participated in substation construction projects (installation and commissioning of 132/33/11kV substations).
- Executed High Voltage switching and fault management.
- Contributed to system upgrades and connection of new customers.
Electrical Engineer Intern
ZESCO Limited
01.2018 - 01.2018
- Assisted in maintenance of 330kV/220kV/11kV transmission infrastructure and associated switchgear.
- Supported annual substation maintenance and reporting.
- Collaborated with engineers to troubleshoot circuit failures and implement corrective actions.
- Participated in team meetings to discuss project milestones and propose design improvements.
- Analyzed data from field tests to enhance system performance and identify potential issues.
- Engaged in continuous learning about industry trends and advancements in electrical engineering technologies.
- Increased equipment reliability by participating in regular maintenance activities and promptly addressing any identified issues.
Electrical Engineer Intern
Lusaka Water and Sewerage Company
01.2016 - 01.2016
- Conducted a minimum of 10 water meter installations and system repairs.
- Produced technical reports and assisted in prepaid metering rollout.
Education
Master of Science - Project Management
Copperbelt University
Kitwe05-2025
Bachelor of Engineering (Honours) - Electrical and Electronics Engineering
Copperbelt University
Kitwe08-2020
Grade Twelve Certificate -
Mpunde Girls Secondary School
Kabwe, Zambia12-2012
Skills
- Senior Authorized Person (SAP) at 33kV; HV switching, isolation, and commissioning
- Preventive and corrective maintenance of HV/LV systems (400V – 33kV)
- Substation operation, and fault diagnosis
- Project management and technical leadership
- Risk Assessments (RAMS), method statements, and SHEQ compliance
- Client and stakeholder engagement; customer-focused service delivery
- Strong proficiency in MS Project, Microsoft Office Suite, and technical reporting
- Health, Safety, and Environmental standards (ISO frameworks familiarity)
- Root-cause analysis
- Critical thinking
- Data analysis
- Project planning
Affiliations
Engineering Institute of Zambia (EIZ)
Professional Engineer
Certification
- Senior Authorised Person (SAP) – 33kV Systems, ZESCO Limited - 2022
- Women in Leadership Training, Institute of Directors - 2023
- Design Elements in Renewable Energies, Kafue Gorge Regional Training Center (KGRTC) - 2023
- Grid Integration of Renewable Energy Sources, Kafue Gorge Regional Training Center (KGRTC) - 2023
- Medium Voltage Electrification Products, ABB India- 2024
- Maintenance Management and Installation of Distribution and Electrical Apparatus, Kafue Gorge Regional Training Center (KGRTC) - 2024
- Occupational Health and Safety Management, Kafue Gorge Regional Training Center (KGRTC)- 2025
Languages
English
Bilingual or Proficient (C2)
Timeline
Engineer – Maintenance
ZESCO Limited
01.2024 - Current
Engineer - Maintenance
ZESCO Limited
11.2023 - 01.2024
Graduate Electrical Engineer – Operations and Maintenance
ZESCO Limited
10.2020 - 11.2023
Electrical Engineer Intern
ZESCO Limited
01.2018 - 01.2018
Electrical Engineer Intern
Lusaka Water and Sewerage Company
01.2016 - 01.2016
Master of Science - Project Management
Copperbelt University
Bachelor of Engineering (Honours) - Electrical and Electronics Engineering
Copperbelt University
Grade Twelve Certificate -
Mpunde Girls Secondary School
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