Tonderai Mupandi
Senior Network Analyst
Midrand
Summary
Results-driven Network and Voice Engineer with over 7 years of experience in planning, implementing, and maintaining enterprise-grade network and VoIP infrastructures for Internet Service Providers (ISPs). Proficient in configuring Cisco, Mikrotik, and Ubiquiti platforms, SIP trunking, 3CX phone systems, and resolving complex routing, switching, and VoIP issues. Strong understanding of QoS, NAT traversal, SBCs, VLANs, BGP/OSPF, and IP telephony integration.Proven expertise in desktop support, cloud services, and remote management tools. Skilled in resolving client issues quickly and professionally, supporting Microsoft 365, Active Directory, firewalls, and various MSP tools.
Overview
22
22
years of professional experience
4
4
years of post-secondary education
8
8
Certifications
1
1
Language
Work History
Senior Network Analyst
Screamer Telecoms
03.2018 - Current
- Manage end-to-end ISP core network infrastructure, ensuring 99.9% uptime.
- Design and deploy voice solutions using 3CX and Grandstream/Asterisk systems..
- Monitor and optimize network performance using DUDE and PRTG.
- Maintain BGP peering with upstream providers and manage IP allocations.
- Configure and troubleshoot SIP trunks and NAT issues using Session Border Controllers (SBCs).
- Managed user accounts, permissions, and security in Microsoft 365 and Active Directory.
- Responsible for technical issues related to Windows OS, Office 365, printers, and network access.
- Manage firewall rules, NAT policies, and DNS filtering to secure internet access.
- Provide L2/L3 support for VoIP and data clients, resolving routing, latency, and SIP registration issues.
Field Engineer
Amobia Communications
09.2015 - 11.2017
- Company Overview: Telecommunications (ISP)
- Installation of Microwave radios point to point and multipoint
- Ensure site surveys are done correctly
- Remote IP routing
- Installation if Mikrotik routers, cisco and tp link routers
- Configuring optical network terminal for fibre cable to connect client’s routers
- Splicing fibre for clients(home) to Pedestal and to the POP
- Support of internet connectivity and voice related issues
- Install voice phones
- Achievements: Substantially increased security and performance of the network links by implementing new ways of implementing firewalls and Preliminary site survey network planning
- Reason for Leaving: Seeking opportunities for career growth in the ITC sector.
IT Support
Lee Vision
08.2014 - 07.2015
- DSTV and CCTV installations.
- Managed the installations of wireless internet connections
- Support of internet connectivity and voice related issues
- Splicing fibre for clients(home) to Pedestal and to the POP
- Configuring Mikrotik, Tenda, and TP link routers
- Recoverability creating and testing backups.
- Installing new POPs for FTTH and FTTB connections
Project Coordinator
Semtech
05.2012 - 07.2014
- Network design
- Project coordinator of installation team
- Upgrade software, patches and operating systems on a continuous basis.
- Hardware and software maintenance.
- Configure and update Microsoft based systems
- Troubleshooting internal network connectivity problems.
- Installation of Ubiquity, Cambium and mikrotik radios
- Explain the role of network applications and equipment to the end users.
- Basic informative website designing
- Configuring VLANS and inter –VLAN routing.
Junior Systems Administrator
Chiredzi Town Council
04.2010 - 04.2012
- Configuring and troubleshooting basic operations in a small switched and routed network.
- Act as a technical resource in order to assist users with resolving computer issues.
- Configuration basic router and switch using Cisco command-line.
- Explain the role of network applications and equipment to the end users.
- Maintain documentation of technical maintenance procedures carried.
- Configuring VLANS and inter –VLAN routing.
- Managing Cisco IOS software licensing and configuration files.
- MS Exchange 2003 deployment.
- Solving software problems - Microsoft (Windows NT/2000/2003; SQL Server 7.0, 2000; Exchange 5.5, 2000,2003; SMS 2003; MOM2 2003).
- Troubleshooting and solving networking issues - TCP/IP, DNS, DHCP, Layer 2/3 network devices.
Industrial Attachment
Hai Embedded Computers
08.2007 - 08.2008
- Populating circuit boards for telephone booths
- Determine users’ technical needs and provide them with appropriate solutions.
- Test computers peripherals, hardware and software to ensure that they are working appropriately.
- Upgrade software, patches and operating systems on a continuous basis.
- Design calculating and applying subnet masks and addresses to fulfil given equipment in IP v4 and IP v6.
- Configuring and troubleshooting basic operations in a small switched and routed network.
- Act as a technical resource in order to assist users with resolving computer issues.
Helpdesk
Tongaat Hulett Hippo Valley Estates
01.2004 - 12.2005
- PC Maintenance and Repairs.
- Connecting printers and networking.
- Data capturing.
- Back up and data recovery.
Education
BSc - Information Systems Honours
Midlands State University
Zimbabwe 05.2010 - 11.2013
Skills
Routers/Switches: Cisco, MikroTik, Ubiquiti
undefinedCertification
Dec 4-2009 Bachelor of Information System Honours Degree
References
Serisha Dabideen (HR) Screamer Telecoms Tel. 012 687 3301
Tel. 081 3876 664
Email. serishad@screamer.co.za
Leonard Munotiyi (Director) Lee Vision
Tel. 011 023 8964
Tel. 072 7792881
Email. info@leevision.com
Hobbies and Interests
Personal IT Projects:
- Built and configured a home lab with MikroTik router, 3CX PBX, and Proxmox virtual environment for ongoing skills development.
Hobbies :
- Cybersecurity challenges and Capture the Flag (CTF) events
- Home automation and IoT experimentation
- Reading tech blogs (e.g., BleepingComputer, HowToGeek)
Soft Skills:
- Strong attention to detail and analytical thinking
- Excellent communication with technical and non-technical users
- Proactive problem-solving under pressure
- Team player with a passion for continuous learning
Languages:
- English (Fluent)
Timeline
Senior Network Analyst
Screamer Telecoms
03.2018 - Current
Field Engineer
Amobia Communications
09.2015 - 11.2017
IT Support
Lee Vision
08.2014 - 07.2015
Project Coordinator
Semtech
05.2012 - 07.2014
BSc - Information Systems Honours
Midlands State University
05.2010 - 11.2013
Junior Systems Administrator
Chiredzi Town Council
04.2010 - 04.2012
Industrial Attachment
Hai Embedded Computers
08.2007 - 08.2008
Helpdesk
Tongaat Hulett Hippo Valley Estates
01.2004 - 12.2005
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