Nyiko Noah Mpunzi
Johannesburg
Summary
IT professional with 4-5 years hands-on experience specializing in Pre-Sales Engineer, system support, network engineering, and NOC/SOC operations. Expertise in Cisco routing, switching, firewalls, wireless, data center solutions and WAN/LAN environments across multi-site infrastructures. Hands-on work includes troubleshooting incidents, maintaining VPN and security policies, monitoring device health, and supporting AWS and ZTNA access for secure connectivity .Actively pursuing CCIE Data Center & Security certification while staying updated on industry trends to create innovative, scalable architectures that drive business growth
Overview
4
4
Languages
1
1
Certification
3
3
years of professional experience
Work History
Network Engineer IT Infrastructure
Go Tyme Bank - Rosebank Head Office
Rosebank
06.2026 - Current
- Configured and maintained Cisco routers, switches, VLANs, VPNs and WAN/LAN networks, supporting TCP/IP, IPv4/IPv6, DHCP, DNS, NAT, STP, RSTP and EtherChannel.
- Managed Cisco FMC/FTD firewalls. including policies, firewall changes, monitoring, upgrades, and troubleshooting. security policies, ACLs, NAT, site-to-site/remote-access VPNs and IPsec/SSL connectivity.
- Supported AWS Cloud infrastructure and Private Resource Zero Trust Network Access (ZTNA) for secure remote access.
- Managed Cisco Umbrella security services and performed network security monitoring, vulnerability scanning, and remediation.
- Performed daily health checks on Cisco hardware, monitoring device availability, interfaces, CPU, memory, connectivity, and network performance.
- Troubleshot network incidents, performed firmware/software upgrades and disaster recovery testing, and managed Jira tickets and Slack technical updates.
Network Engineer
AE Soft (Pty) Ltd - Centurion
05.2026 - Current
- Provide end-to-end network support for multiple clients and sites, supporting different technology vendors and complex network environments.
- Configure, manage, troubleshoot, and maintain firewalls, routers, switches, wireless access points (APs), and Wireless LAN Controllers (WLCs).
- Manage and troubleshoot LAN/WAN, VLANs, VPNs, NAT, ACLs, DHCP, DNS, TCP/IP, STP, OSPF, BGP, switching, and routing protocols.
- Support firewall and network security solutions, including security policies, VPN connectivity, firmware upgrades, access control, monitoring, and incident troubleshooting.
- Perform client site visits for installations, upgrades, hardware replacements, network assessments, fault finding, connectivity troubleshooting, and infrastructure maintenance.
- Assist with Cisco Commerce Workspace (CCW) estimates and quotations, including identifying suitable Cisco hardware, licensing, and solutions based on client technical requirements.
TECHNICAL PRE-SALES SPECIALIST
Alviva Holdings -Midrand
08.2024 - 04.2026
- Experienced in Cisco Collaboration technologies, including Cisco Webex, CUCM, CCX, Microsoft Teams integration, SIP Trunks, and QoS, supporting enterprise voice and collaboration environments.
- Worked with Cisco Data Center technologies, including Cisco Nexus, UCS, ACI, and MDS solutions.
- Experience working within a distributor, Cisco partner, system integrator, or enterprise environment.
- Prepared BoMs, CCW estimates, RFP/RFI/RFQ responses, and technical proposals.
- Conducted customer demos, workshops, and Proof of Concepts (PoCs).
- Supported customers and channel partners with solution design, implementation, and troubleshooting.
- Provided technical support across Cisco partner and enterprise environments, using 3CX for calls and Freshdesk for ticket management.
IT SYSTEM SUPPORT (IT INTERN)
Sun International - Brakpan
10.2023 - 08.2024
- Administered user accounts and systems, including SCCM, Active Directory, and 4me Self service, with expertise in troubleshooting Windows (7-11) and Linux systems.
- Installed, configured, and troubleshot servers, routers, firewalls, printers, scanners, VMware, VirtualBox, and VoIP infrastructure.
- Utilized Meraki dashboard for proactive network monitoring, management, and performance optimization.
- Configured devices for key network protocols (TCP/IP, DHCP, DNS, LAN/WAN) and supported services like PBX Systems and Avaya VoIP.
- Managed Arcserve and Rubrik backups/restores, server maintenance, installations, and remote troubleshooting.
- Pre-staged PC/Laptop setups for domain integration and provided remote support via RDP and remote viewer tools.
- Maintained key business systems, including Bally BI, CMP, and SDS, contributing to their optimal performance and availability for users.
Education
National Senior Certificate, Diploma -
Mambane Secondary School
01-2020
Skills
- Client Relationship Management
- Network Infrastructure Management
- Strong Communication Skills
- Teamwork & Collaboration
- Cope Well Under Pressure
- Critical Thinking & Problem Solving
- Microsoft Office 365/2016 MS Office
- Network Performance Optimisation
- Network troubleshooting
- Cisco networking
- Networking concepts understanding
- Network monitoring tools
- Technical support communication
- Hardware/software configuration
- Firewalls and endpoint security
- Cisco systems knowledge
- Cisco switches and firewalls
- Strategic Network Planning
- Infrastructure planning and design
LANGUAGES
English
Siswati
Zulu
Tsonga
Certification
Cisco Certified Data Centre Core Specialist (CCNP), Cisco Certified Network Associate (CCNA), Cisco Certified Cybersecurity Associate (CCNA), Cisco Certified Cyber Ops Associate, Linux Essentials, Ethical Hacker Essentials, CompTIA A+, Fortinet Certified Cyber Security Associate (NSE 3), Fortinet FortiGate 7.4 Operator, NSE 1 and NSE 2
REFERENCES
- Lara, Kotze, Cisco BU Manager, Lara.Kotze@axiz.com, +27 11 654 6108, Axiz (Alviva Holdings)
- Vikesh, Naidoo, IT Manager, +27 083 325 5066, Sun International (Carnival City Casino)
- Deirdre Van, Schalkwyk, Manager, dvs@aesolutions.za.com, AE Soft (Pty) Ltd
DISCLAIMER
I hereby affirm that the information and facts provided above are true, accurate, and complete to the best of my knowledge and belief.
Timeline
Network Engineer IT Infrastructure
Go Tyme Bank - Rosebank Head Office
06.2026 - Current
Network Engineer
AE Soft (Pty) Ltd - Centurion
05.2026 - Current
TECHNICAL PRE-SALES SPECIALIST
Alviva Holdings -Midrand
08.2024 - 04.2026
IT SYSTEM SUPPORT (IT INTERN)
Sun International - Brakpan
10.2023 - 08.2024
National Senior Certificate, Diploma -
Mambane Secondary School