Oswell Tafadzwa Muzanenhamo
OT Technician
Middleburg
Summary
Organized computer network professional with strong record of successful network management. Applies in-depth understanding of network Ethernet, Wi-Fi and CMDA to address business needs. Offers superior decision-making and prioritization skills.
Overview
6
6
years of professional experience
Work history
OT Technician
Thungela Goedehoop Mine
Middelburg, Mpumalanga
05.2023 - 03.2025
- Led training sessions for non-technical staff to enhance their understanding of basic network concepts, contributing to a more informed and tech-savvy workforce
- Stayed current with industry trends and emerging technologies, actively researching and recommending innovative solutions to enhance network capabilities and overall mine operations
- Installed hardware components, ensuring optimal operation of the network infrastructure.
- Tailored solutions specific to client needs, resulting in improved customer satisfaction rates.
- Reconfigured systems following best practices improving overall efficiency.
- Debugged minor software glitches promptly minimizing workflow disruptions.
- Collaborated with cross-departmental teams to integrate new software applications into existing network environments seamlessly.
- Configured routers, switches and firewalls to deploy and support LAN, WAN and wireless networks.
- Provided smooth communications by configuring LAN technology, wireless access points and controllers.
- Sourced cost-effective resources from approved vendors and contractors.
- Designed customised control systems to meet client specifications.
- Mastered the use of oscilloscopes, voltmeters, and other testing equipment for accurate diagnostics.
- Worked on advanced projects involving PLC programming, delivering exceptional results.
- Preparing electronic circuitry blueprints in alignment with established specifications.
- Maintained seamless connectivity for uninterrupted operations by troubleshooting wireless issues.
- Upgraded workstations and network hardware with new technology in line with performance and budget objectives.
- Encouraged adherence to organizational ICT standards for consistency.
- Utilized available resources creatively for maximum Return on Investment (ROI).
- Maintained scanners, printers and other computer peripheral equipment.
OT Technician
Anglo American Kumba Iron Ore Mine
10.2020 - 04.2023
- Upgraded Sepura radio software, ensuring efficient and reliable communication for mine personnel, enhancing safety protocols, and contributing to uninterrupted operations
- Conducted intricate configurations on both core and production networks, streamlining data transmission, optimizing network performance, and facilitating seamless information exchange across critical departments
- Managed Cisco ASA firewalls, implementing stringent security measures to safeguard sensitive data and protect the mine's digital assets from potential threats
- Created comprehensive network diagrams that provided clear visual representations of the network architecture, aiding in troubleshooting, planning, and communication between technical and non-technical stakeholders
- Designed, configured, installed, and troubleshooted wireless solutions, including Radwin, Rajant, Ubiquiti, and Infinet AP radios, ensuring reliable and high-speed wireless connectivity across the mine site
- Collaborated with cross-functional teams to align network strategies with operational needs, providing technical expertise and guidance to ensure seamless integration of network solutions
- Actively participated in knowledge sharing sessions, training colleagues on various network concepts, fostering a culture of continuous learning and technical empowerment
- Conducted periodic network performance assessments, identifying bottlenecks, and recommending optimizations to maintain optimal data transmission rates
- Coordinated with vendors and suppliers to procure necessary network equipment, ensuring timely availability of resources for network projects
- Contributed to disaster recovery and business continuity planning by implementing redundant network paths and backup solutions, enhancing the mine's resilience to potential disruptions
- Assisted in evaluating and testing emerging technologies, researching, and recommending solutions to improve network efficiency and adaptability
- Collaborated with external auditors to facilitate network security audits, ensuring compliance with industry regulations and best practices
CCTV & Network Technician
Eye of Horus Security
Capetown
07.2019 - 09.2020
- Kept up-to-date with the latest developments in networking technologies, staying ahead in the competitive field.
- Conducted regular inspections of network infrastructure for optimal performance.
- Collaborated closely with other members of ICT team to ensure seamless integration of new systems.
- Ensured smooth operation of networks by proactively identifying potential problems.
- Configured IP addresses for new devices added into the network for proper connection.
- Streamlined communication flow by designing efficient network layouts.
- Carried out preventative maintenance on CCTV equipment for longer life span.
- Provided training on CCTV operations to end-users, increasing their competency levels.
- Coordinated installations of new CCTV cameras, enhancing overall surveillance coverage.
Education
Higher National Diploma - Advanced Diploma of Industrial Data Communication, Networking and IT
Engineering Institute of Technology
Australia 03.2025 -
NVQ Level 4 - Certified Wireless Design Professional
CWNP
UK 08.2023 - 12.2023
Certified Wireless Network Administrator - CWNP
CWNP
USA 11.2022 - 02.2023
CCNP - Enterprise Networking
Cisco Systems
USA 06.2022 - 01.2023
Cisco Certified Specialist - Security Core
Cisco Systems
USACisco Certified Specialist - Enterprise Core
Cisco Systems
USACisco Certified Specialist - Enterprise Advanced Infrastructure Implementation
Cisco Systems
USACCNA - Networking
Cisco Systems
USAFortinet Certified Associate - Cybersecurity
Fortinet
UKRajant Certified Network Administrator - RCNA
Rajant Systems
USACertified Lean Six Sigma Green Belt - Project Management
Six Sigma Institute
Netherlands 02.2023 - 05.2023
Skills
- Network Implementation
- Network Security
- Troubleshooting and Problem Solving
- Performance Optimization
- Collaboration and Leadership
- Emerging Technologies
Timeline
Higher National Diploma - Advanced Diploma of Industrial Data Communication, Networking and IT
Engineering Institute of Technology
03.2025 -
NVQ Level 4 - Certified Wireless Design Professional
CWNP
08.2023 - 12.2023
OT Technician
Thungela Goedehoop Mine
05.2023 - 03.2025
Certified Lean Six Sigma Green Belt - Project Management
Six Sigma Institute
02.2023 - 05.2023
Certified Wireless Network Administrator - CWNP
CWNP
11.2022 - 02.2023
CCNP - Enterprise Networking
Cisco Systems
06.2022 - 01.2023
OT Technician
Anglo American Kumba Iron Ore Mine
10.2020 - 04.2023
CCTV & Network Technician
Eye of Horus Security
07.2019 - 09.2020
Cisco Certified Specialist - Security Core
Cisco Systems
Cisco Certified Specialist - Enterprise Core
Cisco Systems
Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation
Cisco Systems
CCNA - Networking
Cisco Systems
Fortinet Certified Associate - Cybersecurity
Fortinet
Rajant Certified Network Administrator - RCNA
Rajant Systems
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