Vuyokazi Mavis Masilela
Network Engineer
Johannesburg,GP
Summary
I am an energetic and enthusiastic person who enjoys challenges and achieving personal goals. My present career aim is to work within the IT networking field because I enjoy working with new technologies. The opportunity to learn new skills and work with new technologies always attracts me.
Experienced with network design, implementation, and maintenance. Utilizes advanced troubleshooting techniques to resolve technical issues efficiently. Knowledge of network security protocols and best practices ensures robust and secure system performance.
Overview
1
1
Language
1
1
Certification
29
29
years of professional experience
Work History
Network Administrator
Tendai ICT
03.2020 - Current
- Update and maintain network documentation, assign IP addresses, backup device configurations (IP master and network diagrams).
- Configure network switches (Cisco and HP) for new deployments.
- Configure Fortinet firewall (600E) creating and editing Firewall policies and routing, checking the connectivity failure using FortiAnalyzer.
- Perform administration, iOS upgrades on Cisco Catalyst switches – 3850, 3750, 2960, 9300, 9500 and 6500 series, Fortigate Firewall 900D, 600E, 40F, 61E, 71F, 80F and 400F
- Wireless controllers: 2500, 5500 and 9800
- Setup and configure wireless networking that supports open (Corporate Guest Wi-Fi) or secured access (Corporate Wireless LAN).
- Install access points in the organization, create accounts for users and create SSID on Wireless Controllers. Attend logged calls and assign them to relevant teams.
- Create SOPs and provide training to end-users.
- Assisting voice team in troubleshooting voice calls, one way speech, QoS setup both WAN and LAN, Call manager
- Technologies: Cacti, Nagios, ResQ call, PRTG, Solar winds, ISE & FortiAnalyzer
Network Administrator
Ndala ICT
02.2019 - 02.2020
- Deploy and configure Fortinet firewall, creating and editing policies.
- Deployment of DWDM services with ISP
- Create Firewall rules, checking the connectivity failure using FortiAnalyzer.
- Configure F5 and Kemp load balancer creating pools, VIP and policies and optimization of services sitting behind the KEMP load balancer.
- Configure network switches (cisco and HP) and Fortinet Firewalls for new deployments.
- Perform administration, iOS upgrades on Cisco Catalyst switches – 3850, 3750, 2960, 9300, 9500, 6500 series, and Cisco Nexus -N2Ks, N5Ks N7K and N9K
- Configure Fortigate Firewall (600E and 900D), 5500 wireless controllers and KEMP
- Setup and configure wireless networking that supports open (Corporate Guest Wi-Fi) or secured access (Corporate Wireless LAN).
- Install access points in the organization, create accounts for users and create SSID on Wireless Controllers. Attend logged calls and assign them to relevant teams.
- Assisting voice team in troubleshooting voice calls, one way speech, QoS setup both WAN and LAN.
- Troubleshoot Grandstream and Avaya telephone connectivity with End users.
- Create SOPs and provide training to end-users. Assist and train junior engineers.
- Reason for Leaving: In search of new challenges.
L1 Network Support Engineer
EOH Network Solutions
04.2015 - 12.2018
- The key function of this role is to receive, manage and resolve all customer queries which are already logged with the support desk.
- Perform troubleshooting of customer networks and log necessary faults with upstream suppliers where necessary.
- Ability to resolve issues by configuring switches, routers and firewalls.
- Monitor traffic usage on Arbor to prevent hacking on our network
- Management of customer expectation and perception. Ensure that delivered systems meet acceptance criteria and that such systems are capable of meeting Service Level Agreement.
- Building good relationships with customers and users
- Initiate any actions necessary to improve or maintain levels of service
- Provide recommendation to the customer to improve system delivery as well as proactively manage services to ensure failure is pre-empted and resolved before becoming critical.
- Reviews and approves changes to the planning, design, configuration and management of the supported infrastructure via change management procedures.
- Ensures all required service management information is collected, recorded and reported for example, performance, capacity information etc.
- Escalating issues internally and externally with 2nd and 3rd Line support, to develop co-operative working across all boundaries.
- To perform all levels of support all four day to day operations
- Troubleshooting of MPLS, Fibre, Diginet, Digi-connect E1, ADSL
- Troubleshooting of an MPLS and a wireless network.
- Configuring Juniper routers, Cisco switches and routers.
- Fort iGATE: Configure Webfilters
- Troubleshoot Policies
- Troubleshoot Routing
- Working on all calls logged by helpdesk team via (e-mail, telephonic, voice message) in Marval/Tick-IT/Iris /Opmantec and updating of calls on marval /Tick-IT until it is resolved.
- Ensure that the customer has regular updates
- Escalation of calls to management where required
- Ability to work on Mikrotik RB75 and RB2011 as well as wireless device.
- To own and ensure successful on-going delivery of services after project completion
- To take accountability for timely delivery of project
- To evaluate, implement and train on new technologies to enhance the service offering of the network managed services
- To plan, implement and deploy network across the multiple platform and technologies
- Training of junior staff, knowledge sharing among the team at large to endeavour providing Superior service to our customers.
- Various Roles (As seen below)
- What I Did:
- Reason for Leaving: Career growth.
Field Engineer
Telkom SA
06.2008 - 08.2014
- Provide technical support, identifying and resolving recurring issues.
- Installation, software configuration and faults on DSL technologies.
- Perform pre-installation test on the access network and DSLAM ports.
- Receive and analyze request for installation or recovery.
- Conduct functionally tests.
- Main duties performed:
Field Engineer
Telkom SA
01.1998 - 12.2003
- Perform fault finding, repairs, and installation and maintain ADSL, ISDN, telephone equipment/ lines/divert sheets.
- Temporary Break Incidents (TBI), DP and UG Cable cut overs, network maintenance at large to satisfy customer needs. Actually dealing with the Core Physical Network of the Company.
- Main duties performed:
- Reason for Leaving: Career growth.
Education
Senior Certificate -
Zibokwana Senior Secondary School
01-1995
National Diploma - Electrical Engineering-Heavy Current
Port Elizabeth College
01-1998
Skills
- LAN Technologies (Routing): OSPF EIGRP RIP Static route
- Switching: STP VTP L2 & L3 VLANS L2 Security VACL
- WAN Technologies: Wireless
Certification
2015 - Network Bulls Academy - India - CCNP: Routing and Switching, 2014 - Torque IT - CCNA: Routing and Switching, 2016 - JNCIA: (Juniper Network Certified Ass), 2014 - EOH-Ubuntu - ITIL Foundations, 2025 - Torque IT - Cisco ENCOR, SDWAN, ISE, Cisco Wireless, 2025 - Mercer - Fortinet Firewalls, Fortimanager, 2025 - NSE4 Network Professional NSE6 - Fortimanager Administrator v7.6 - Cisco SDWAN, Cisco ISE, Cisco Wireless, Other: NSE 4 Network Professional (2021) (Fortinet firewalls), Other: Cisco SDWAN(Software Defined Wide Area Network) 2022
ADDITIONAL CERTIFICATES/COURSES/TRAINING
- 2015 - Network Bulls Academy - India - CCNP: Routing and Switching
- 2014 - Torque IT - CCNA: Routing and Switching
- 2016 - JNCIA: (Juniper Network Certified Ass)
- 2014 - EOH-Ubuntu - ITIL Foundations
- 2025 - Torque IT - Cisco ENCOR, SDWAN, ISE, Cisco Wireless
- 2025 - Mercer - Fortinet Firewalls, Fortimanager
- 2025 - NSE4 Network Professional NSE6 - Fortimanager Administrator v7.6 - Cisco SDWAN, Cisco ISE, Cisco Wireless
- Other: NSE 4 Network Professional (2021) (Fortinet firewalls)
- Other: Cisco SDWAN(Software Defined Wide Area Network) 2022
Personal Information
- Gender: Female
- Nationality: South African
- Availability: Immediate
- ID Type: ID Number
- ID Number: 7710010631080
Timeline
Network Administrator
Tendai ICT
03.2020 - Current
Network Administrator
Ndala ICT
02.2019 - 02.2020
L1 Network Support Engineer
EOH Network Solutions
04.2015 - 12.2018
Field Engineer
Telkom SA
06.2008 - 08.2014
Field Engineer
Telkom SA
01.1998 - 12.2003
National Diploma - Electrical Engineering-Heavy Current
Port Elizabeth College
Senior Certificate -
Zibokwana Senior Secondary School