
Thembekile Thwala
Problem Management Specialist & Network Engineer | ITIL v4 Trained | CCNP Enterprise
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About
Results-driven Network Engineer & IT Service Management professional with 10+ years designing, deploying, and optimizing complex enterprise network infrastructures across Telco and banking environments. CCNP Enterprise certified and ITIL v4 Trained, specializing in Problem Management, Root Cause Analysis, high-tier incident resolution, and Continual Service Improvement. Proven track record of leveraging deep analytical skills and ServiceNow/monitoring platforms to identify incident trends, manage Known Error Databases, and drive permanent structural resolutions.
Adept at improving network availability, reducing MTTR, and ensuring SLA compliance through vendor management, Post-Incident Reviews, and cross-functional coordination in high-availability environments.
Experience
2nd Line Network Engineer (Standard Bank Account) at Vodacom MSOC (2025-12 – Present)
- Manage and optimize the underlay network, core link infrastructure, and dedicated internet services for Standard Bank South Africa (SBSA) campuses, branches, ATM's, and Kiosks.
- Deliver tier-2 technical escalation support for complex failures across Fibre, Microwave, and LTE Topologies.
- Act as the lead technical authority on high-priority bridge calls, guiding field engineers through complex connection setups and live remote link restoration.
- Orchestrate end-to-end performance diagnostic checks utilizing NID probes and Nokia, Huawei, and Tellabs nodes.
- Oversee network operational integrity and service availability for critical Standard Bank Africa customer-edge (CE) sites.
Cisco Support Specialist – Express VIP Team (Contract) at Vodacom CSOC (2023-09 – 2024-03)
- Delivered high-level service assurance and tier-2 network engineering support to Vodacom Business VIP enterprise clients.
- Maintained, diagnosed, and troubleshooted converged network infrastructure architectures incorporating MPLS, SD-WAN (VeloCloud, Meraki, Viptela), LTE, and Broadband.
- Handled full-lifecycle last-mile troubleshooting across RADWIN Point-to-Point (PTP/PTMP) microwave links and Nokia/CBNL nodes.
- Governed incident management and vendor escalation workflows with third-party providers including Dark Fibre Africa (DFA), OpenServe, Vulatel, and Motivity to enforce SLA compliance.
L1 Network Engineer at In2it Technologies (2023-03 – 2023-07)
- Monitored network health and managed internet gateway infrastructure for critical South African Government facilities.
- Performed initial diagnostics and routing analysis on Huawei enterprise routers using VRF instance pings and route inspection.
- Managed immediate link Fail-overs and ticket administration across COMSOL/SKYWIRE microwave networks and DFA fibre lines.
Help Desk Support Engineer at BitCo Telecoms (2020-12 – 2021-05)
- Monitored live network traffic, endpoints, system logs, and security infrastructure events to identify and isolate threats.
- Provided high-tier technical customer support for wireless LAN IP addressing, core routing issues, and broad Telecom faults.
- Logged, classified, tracked, and escalated critical platform incidents through formalized corporate ticketing systems.
Cisco Support Specialist (Contract) at Vodacom CSOC (2014-08 – 2018-10)
- Sustained a 99% network availability target for millions of enterprise consumers throughout sub-Saharan Africa.
- Managed continuous proactive threat/alert tracking using enterprise monitoring systems (IBM Netcool and Integrity).
- Conducted granular Layer 1 to Layer 3 troubleshooting across BGP sessions, IP routing tables, access control lists (ACLs), and Spanning Tree Protocols (STP).
- Successfully integrated ITIL framework strategies (Incident, Problem, and Change Management) into everyday operations, driving an 87% service delivery rate during peak network traffic times (06:30 – 09:00).
Junior Network Engineer / Field Engineer at B2E Technologies (2008-11 – 2010-04)
- Deployed, configured, and troubleshooted medium-sized Cisco routers and enterprise Ethernet switches across physical client premises.
- Managed infrastructure reliability and hardware recovery policies for educational clients, including Crawford and Abbott's Schools networks.
Education
Cisco Certified Network Professional (CCNP) Enterprise in Network Engineering – Cisco Systems
Cisco Certified Specialist - Enterprise Core in Network Engineering – Cisco Systems
Cisco Certified Network Associate (CCNA 200-301) in Network Engineering – Cisco Systems (2023)
ITIL v4 Foundation in IT Service Management – Unknown (2026-08-28)
CompTIA N+ / CompTIA A+ / Cisco ITE Essentials in IT Support – Sci-Bono ICT Academy (2012 – 2013)
Systems Engineering Diploma in Systems Engineering – PC Training and Business College (2007)
PC Engineering Certificate in PC Engineering – Havatech College (2004)
Senior Certificate (Grade 12) in General Education – Lofentse Girls High School (2001)