DAVID JEPHREY MPHONGO
Network Administrator
Mamelodi East,Gauteng
Summary
Knowledgeable Network Administrator qualified to upgrade software and hardware while monitoring network performance. Enthusiastic professional with background implementing cybersecurity products, including firewalls, antivirus software and intrusion prevention systems.
Business-minded Network Administrator with 2 years of experience in supporting server environments. Determined and focused in managing network infrastructure and optimizing environment while reducing redundancy. Considered expert in troubleshooting complex problems and reaching innovative solutions while adhering to rules and requirements of project scope. Dynamic team player when interfacing with other staff members, vendors and end-users.
Overview
15
15
years of professional experience
28
28
years of post-secondary education
Work History
Network Administrator
Vodacom South Africa
Johanessburg
01.2022 - Current
- Performed day-to-day LAN and WAN administration, maintenance, and support.
- Maintained network hardware and software and monitored network to support network availability to end users.
- Identified and immediately resolved issues with network devices.
- Installed, configured and supported local area network (LAN), wide area network (WAN) and Internet system.
- Assisted IT staff on troubleshooting issues and closing calls.
- Managed SD-WAN, IP Connect,Business Connect, Meraki Devices,Velo - Cloud and Velo Patel.
- Assisted in troubleshooting Huawei devices, TP-Link and Cisco
Supervisor
ELS
02.2019 - 12.2020
- Oversaw daily operations of the department, ensuring smooth workflow and timely completion of tasks.
- Applied strong leadership talents and problem-solving skills to maintain team efficiency and organize workflows.
- Improved customer satisfaction with timely response to inquiries, addressing concerns, and finding effective solutions.
- Resolved conflicts among team members promptly, maintaining a harmonious working environment conducive to productivity.
- Facilitated seamless communication between departments, ensuring that all teams were aligned with company goals.
- Improved customer satisfaction with prompt and courteous resolution of inquiries and complaints.
Senior Administrator
Vodacom PTY LTD
07.2013 - 04.2015
- Retaining clients in the upgrade and cancellations department
- Assisting trade partner clients through the back office
- Performing upgrades and upgrade reversal for clients
- Processing dealer cancellation for Vodacom shops
- Dealing with customer escalations
- Updating customer details on the system
- Credit and refunds for clients
- Loading future deactivations or cancellation for clients
- Provide clients with a premature upgrade quotes and cancellation quotes
- Dealing with fraudulent upgrade reversals from the forensincs
- Dealing with a node-2-node problems when a migration has failed
Prepaid Department
Merchants Vodacom
01.2011 - 01.2013
- Assisting clients with recharge problems
- Provide them with pin and puk
- Apply diagnostic methods if they cannot make calls
- Assist when clients cannot connect to the internet
- Send them settings and configure APN
- Educate clients with Vodacom product and services
Data department
Merchants Vodacom
01.2010 - 01.2011
- Assisting clients with account queries
- Dealing with blackberry enquiries
- Setting up modem and routers
- Trouble shooting if clients cannot connect
- Billing enquiries
Education
Matriculated - IsiZulu 1st Language HG, English 2nd Language HG, Mathematics HG, Physical Science HG, Biology SG, Geography SG
Gatang Comprehensive School
Mamelodi 01.1999 - 01.2003
Bsc - Applied Mathematics And Computer Science
University Of South Africa
Pretoria 04.2001 - Current
Skills
Typing skills
Microsoft Office 2007
LaTex
LibreOffice
Microsoft Windows XP
Microsoft Windows 10
Linux (Fedora),Open Suse, Ubuntu
C,Python
Linux
undefinedAccomplishments
- Representative Council of Learners, 02/01/02, Gatang Comprehensive School
- Best learner in Mathematics and Science (grade 10), 01/01/01, Gatang Comprehensive School
- Taught Mathematics Grade 12, 08/01/10 - 10/01/10, Gatang Secondary School
Cellnumbers
- 0794474476
- 0610842720
Criminalrecord
None
Healthstatus
Good
Personal Information
- ID Number: 840813 5830 088
- Gender: Male
- Nationality: South African
- Driving License: Not yet obtained
- Marital Status: Single
- Religion: Christian
Timeline
Network Administrator
Vodacom South Africa
01.2022 - Current
Supervisor
ELS
02.2019 - 12.2020
Senior Administrator
Vodacom PTY LTD
07.2013 - 04.2015
Prepaid Department
Merchants Vodacom
01.2011 - 01.2013
Data department
Merchants Vodacom
01.2010 - 01.2011
Bsc - Applied Mathematics And Computer Science
University Of South Africa
04.2001 - Current
Matriculated - IsiZulu 1st Language HG, English 2nd Language HG, Mathematics HG, Physical Science HG, Biology SG, Geography SG
Gatang Comprehensive School
01.1999 - 01.2003
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