Khomotso Modika
Delmas
Summary
Over six years of hands-on experience as a Network Engineer, specializing in the design, implementation, monitoring, and maintenance of complex enterprise networks. Skilled in configuring and troubleshooting LAN, WAN, and wireless infrastructures, as well as deploying routing, switching, and security solutions to ensure optimal network performance and reliability. Experienced in network management using tools such as PRTG, eSight, and Agile Controller, with a strong background in ITIL-based service delivery, incident resolution, and change management. Adept at collaborating with cross-functional teams to enhance network security, scalability, and business continuity across diverse environments.
Overview
8
8
years of professional experience
1
1
Certification
Work History
Network Engineer
Sizwe Africa IT Group
12.2024 - Current
- Client: Exxaro Leeuwpan Coal Mine:
- Project 1 Description: Managed Network Services
- Troubleshooting and resolving network faults and performance issues.
- Managing incidents, changes, configurations, and root cause analysis using ITIL frameworks.
- Conducting LAN fault investigations based on user reports.
- Collaborating with executive leadership on security governance and risk management.
- Utilized NMS tools (eSight, PRTG, Aruba SD-WAN, Wireless Controller) to enhance network performance.
- Ensuring a stable and reliable wireless network with sufficient bandwidth for all applications.
- Configuring and maintaining LAN/WAN devices and network infrastructure.
- Demonstrated strong knowledge of routing protocols (RIP, OSPF, EIGRP, BGP, ISIS).
- Experienced in L2/L3 switching, VLANs, VPNs, firewalls, IP addressing, and subnetting.
- Proficient in TCP/IP and OSI models and associated protocols (TCP, UDP, SMTP, DHCP).
- Collaborate with IT teams on voice, video, and data service support.
- Document network configurations and contribute to upgrade planning and change control.
- Well-versed in WLAN and security standards, including WEP, WPA, WPA2, and 802.1x.
Network Engineer
Tech Mahindra Limited
04.2019 - 11.2024
- Client: Exxaro Leeuwpan and Matla Coal Mines:
- Project 1 Description: Managed Network Services
- Network monitoring, support and maintenance of office and process network across all Exxaro business units.
- Troubleshooting and resolution of network faults.
- Network management, Incident Management, Change Management, Network Configuration, Root cause analysis and Faults Resolution using ITIL services.
- Undertake data network fault investigations in local area network using information from affected users.
- Collaborated with executive leadership on security governance and risk management.
- Network monitoring with NMS tools such as eSight, PRTG, Agile Controller and Wireless Controller to improve network performance for all network systems.
- Provide a stable and reliable wireless network platform with sufficient bandwidth and other network parameters, for transporting application traffic pertaining to different user applications.
- Sound knowledge of routing protocols - RIP V1/V2, OSPF, IGRP, EIGRP, BGP and ISIS.
- Coordinated network device installation on the LAN & WAN.
- Deep knowledge of L2/L3 Switching, Firewalls, VLAN, and VPN, IP Addressing & Sub netting.
- Knowledge of TCP/IP model, OSI model and protocols (TCP/IP, UDP, SMTP, DHCP).
- Clear understanding of WLAN and Security protocols WEP, WPA, WPA2 and 802.1 x.
- Project 2 Description: eLTE Pit Network
- The project focuses on the planning, deployment, and operational maintenance of a private LTE-U network to support mining services and drive digital transformation.
- End to end planning and deployment of network design based on extensive site survey and design planning including backhaul connectivity for towers (Microwave).
- Operational management of the commissioned sites.
- Project management including customer interaction for new scope and development of ongoing project.
- Network Monitoring using eSight software, Performing network analysis on uplink and downlink communication.
- Microwave devices P2P and P2MP connectivity.
- Data analysis, Key performance indicators (KPI’s) reports for the client.
- E2E hardware support and maintenance of pit network devices.
- Solving Network related issues e.g. lost communication between Base station (eNodeB) and user equipment.
- Fleet support e.g. installation and change of user equipment.
Huawei Technologies
10.2017 - 07.2018
- Project Description: Fiber to the home (FTTH)
- Assisted in the installation, testing, and maintenance of fiber optic networks for [Huawei/ Open-Serve].
- Gained hands-on experience with fiber optic cable termination, splicing, and testing (OTDR, fusion splicing).
- Coordinated with installation teams to ensure timely and efficient fiber deployment.
- I participated in fiber network design and planning, considering factors such as route optimization and signal attenuation.
- Developed knowledge of fiber optic theory, including principles of light transmission and signal propagation.
Education
Post-Graduate Diploma (NQF Level 8) - Information Technology, Communication Networks
Tshwane University of Technology
B.Tech in Information Technology (NQF Level 7) - Information Technology, Communication Networks
Tshwane University of Technology
12-2018
National Diploma (NQF Level 6) - Information Technology
Tshwane University of Technology
07-2017
Matric/ Grade 12 -
Gatang Secondary School
12-2010
Skills
- SD-WAN Technology (Huawei and Aruba)
- Project Management
- Network Security
- Threat Intelligence
- Incident Response
- Problem-solving and troubleshooting skills
- Wireless Network
- Results-driven
Certification
- Huawei Certified ICT Professional (HCIP) Datacom Advanced Routing and Switching
- Fortinet: FCF – Introduction to the Threat Landscape 2.0
- Fortinet: Fortinet Certified Associate in Cybersecurity
Timeline
Network Engineer
Sizwe Africa IT Group
12.2024 - Current
Network Engineer
Tech Mahindra Limited
04.2019 - 11.2024
Huawei Technologies
10.2017 - 07.2018
Post-Graduate Diploma (NQF Level 8) - Information Technology, Communication Networks
Tshwane University of Technology
B.Tech in Information Technology (NQF Level 7) - Information Technology, Communication Networks
Tshwane University of Technology
National Diploma (NQF Level 6) - Information Technology
Tshwane University of Technology
Matric/ Grade 12 -
Gatang Secondary School