Xolisa Mlobothi
Pretoria
Summary
Successful Senior Network Engineer accomplished in managing enterprise-wide networks for large-scale operations. Plan, implement and continuously improve infrastructure and controls to stay on top of changing operational and security demands. Results-driven Network Engineer with more than 10 years of expertise deploying and maintaining LAN and WAN infrastructure. Dedicated technology professional with strong track record of accurately conducting system repair, troubleshooting network and application using wire-shark tool.
Overview
16
16
years of professional experience
Work History
Senior Network Engineer
Department
09.2012 - Current
- Deployed LAN/WAN in campuses and data centers network infrastructure using VSS, HSRP, vPC and IP SLA for high network redundancy
- Deployed WLC, Aps and Radius for WLAN
- Deployed IP Telephone in company's entire network using BRI or PRI on cisco VoIP gateway using h232
- Migrating IP telephone system from BRI, PRI to SIP for the entire company
- Responsible for third line network and IP Telephone support
- Designing and documenting the network using Microsoft vision
- Overseeing company's entire network and IP Telephone
- Monitored network activities to quickly detect and resolve operational and security issues using network scrip and manage engine and the Dude monitoring tools
- Performed troubleshooting for network, application and packet capturing and analysis using Wireshark tool
- Collaborated with vendors to identify problems in the network, GRE, IPsec and IP Telephone
- UCM administration
- Managing administering tacacs+ and Radius for network security
- Python programming and ansible scrips development and deployment for network automation
- LAN network devices configuration backups with network automation tools
- Ensuring that the network is secure by configuring devices with access-list for ssh, and configuring network devices to authenticate central
- Training and mentoring Interns, junior and regional IT support engineers
Network Controller
Department of Home Affairs
01.2009 - 08.2012
- Deployed and maintained LAN/WAN cisco router and switches national for preparation of smart card and IP Telephone
- Assisted Regional IT engineers for general network problems
- Repaired and tested network data points
- Repaired and reconfigured cisco routers
- Designed and documented the network using Microsoft vision
- IP address sub netting and management
- Network and Desktop support
- Supported in-house application-NPR, BAS, MCS
- Made UPT cables CAT 5/CAT6 using crimping tool
Intern
Department of Home Affairs
08.2008 - 08.2009
- Novell user creation for emails
- Novell password reset
- Desktop support
- Application support
Education
National Diploma - Communication Networks : Information Technology
Walter Sisulu University
06.2007
Grade 12 - undefined
Cangci Comp Tech High School
2003
CCNA Enterprise - Cisco Certified Network Associate - undefined
February 2023
CCNP Enterprise - Cisco Certified Network Professional - undefined
January 2024
Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation - undefined
Sep 2023
Cisco Certified Specialist - Enterprise Core - undefined
January 2024
Skills
- Training Attended
- Wireshark:
- Packet Analysis and Ethical Hacking: Core Skills
- Network Analysis using Wireshark 2
- Network automation with Python programming and ansible
- Master network Automation with Python for Network Engineers
- Cyber Security: Network Security
- Microsoft Windows Radius server (NPS): Configure and manage
- Skills
- LAN Technologies:
- VLAN, VTP, STP, Port Security, PBR (Policy Based Routing), L2/3 Access-list, HSRP, vPC, VRRP, GLBP and VSS Configuration
- VPN Technologies: GRE, IPSec, DMVPN, VRFs configuration
- Network Monitoring Technologies: Net flow, SNMP, IP Sla configuration
- Routing Technologies: Static, EIGRP, OSPF, BGP, MPLS configuration
- Security Technologies: Tacacs-, 8021X(RADIUS) configuration and maintenance
- Network Automation: Python programming scrips and ansible development and usage
- Good understanding IPv4 and IPv6
- Network Architecture Design with Microsoft Visio
- Technical Network and Application Troubleshooting with Wireshark tool
- Strong Network Performance Analysis, Troubleshooting and problem solving
- Tacacs configuration and audit
- UCM Configuration
- Routing Protocol Redistribution and Distribution
- Cisco Souter, ASA Firewall and Switches Understanding
- Linux(Ubuntu)
- IP Addressing and Sub Netting Expertise
- Packet Trace capturing and Analysis using wire-shark
- IPT Telephony configuration and maintenance
- Windows Active Directory
- Iperf3 Bandwidth test
- Nexus Switches Understanding
- Network Operation and maintenance
References
References
Director: Kgotso Choane
Kgotso.choane@dha.gov.za
0124062591/0761815753
Deputy Director: Dirk Coetzee
Dirk.coetzee@dha.gov.za
0124062524/0609840427
Deputy Director: Doctor Mokgomola
Doctor.mokgomola@dha.gov.za
0124062910/0832621128
Timeline
Senior Network Engineer
Department
09.2012 - Current
Network Controller
Department of Home Affairs
01.2009 - 08.2012
Intern
Department of Home Affairs
08.2008 - 08.2009
National Diploma - Communication Networks : Information Technology
Walter Sisulu University
Grade 12 - undefined
Cangci Comp Tech High School
CCNA Enterprise - Cisco Certified Network Associate - undefined
CCNP Enterprise - Cisco Certified Network Professional - undefined
Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation - undefined
Cisco Certified Specialist - Enterprise Core - undefined
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