Moyalenaga Simon Selwana
SENIOR NETWORK ADMINISTRATOR
Pretoria,Gauteng
Summary
Experienced Senior Network Administrator with a strong background in Linux and Open-Source Software. Skilled in network administration, system maintenance, and IT governance. Extensive experience in budget management, customer service, and cybersecurity. In addition to my professional experience, I am actively involved in teaching and mentorship. As an instructor affiliated with the National Library of South Africa and Sci-Bono ICT Academy, I am certified to teach a variety of technical courses, including: Cybersecurity Essentials, Networking Essentials, Introduction to IoT, NDG Linux I & II, Programming Essentials in Python, C, and C++, Emerging Technologies Workshops (e.g., REST APIs, Model-Driven Programmability). I am passionate about empowering others through technology and always strive to stay ahead of emerging trends in the field.
Overview
17
17
years of professional experience
Work History
Senior Network Administrator
National Library
9 2018 - Current
- Network Management and Maintenance
- Configuration and Maintenance: Design, configure, and maintain the organization’s networks, including LAN, WAN, VPN, and other data communication systems
- Troubleshooting: Identify and resolve network issues, such as outages or performance problems, ensuring minimal downtime
- Network Monitoring: Use monitoring tools to track network performance, bandwidth usage, and troubleshoot issues proactively
- Security Management
- Firewall and Intrusion Detection Systems: Administer firewall rules and intrusion detection systems (IDS) to protect against cyber threats, vulnerability assessment and Penetration Testing
- VPN Configuration: Manage secure connections for remote users through VPN solutions
- Patch Management: Ensure systems and devices have the latest security patches and updates to mitigate vulnerabilities
- Network Upgrades and Optimization
- Infrastructure Upgrades: Plan and execute upgrades to network hardware, such as routers, switches, and servers, to improve performance or capacity
- Scalability Planning: Design networks that can grow as the organization expands, ensuring they are scalable and resilient
- Bandwidth Management: Ensure optimal use of available bandwidth by implementing policies like QoS (Quality of Service)
- System Backups and Recovery
- Disaster Recovery Planning: Develop and implement disaster recovery procedures to recover systems and data in the event of an outage or security breach
- Backup Systems: Manage and verify regular backups of all critical systems and ensure the integrity of backup data
- Leadership and Collaboration
- Team Leadership: Provide guidance to junior network engineers and technicians, overseeing their daily tasks and providing mentorship
- Collaboration with IT Teams: Work closely with other IT departments, such as the software development, database, and cybersecurity teams, to ensure a unified approach to IT operations
- Stakeholder Communication: Communicate technical details and network strategies effectively to non-technical stakeholders, such as executives or department heads/unit leaders
- Compliance and Documentation
- Compliance Adherence: Ensure the network infrastructure complies with industry standards and regulations, also complies with audit standard
- Documentation: Maintain detailed records of network configurations, policies, and troubleshooting procedures for future reference and auditing purposes
- Vendor Management
- Hardware/Software Procurement: Work with vendors to procure networking equipment and software, ensuring the best solutions for the organization's needs
- Contract Negotiation: Manage relationships and negotiate contracts with third-party service providers
Conditional Grant Coordinator
National Library
10.2014 - 08.2018
- Developed project plans, managed supplier SLAs, and implemented IT Service Management strategy
- Continuous monitoring of network access and usage at Public Libraries
Network Administrator
National Library
07.2011 - 09.2014
- Responsible for network administration, system maintenance, and support
- Provided support to Suse Linux Enterprise Desktop (SLED) users
Linux Administrator
National Library
07.2009 - 06.2011
- Participated in ICT service procurement tender committee
- Assisted in developing ICT policies and governance documentation
- Troubleshooting network problems and stabilization of the entire network infrastructure
Linux & Open Source Software Delivery Engineer
Meso ICT Solutions
01.2009 - 06.2009
- Performed network administration and maintenance
- Installation and administration of Novell SUSE Linux Servers
- Drafted proposals, project plans, and SLAs
Junior Linux Administrator
Choice Technologies
01.2008 - 12.2008
- Provided day-to-day Linux support at Vodaworld and National energy regulator of South Africa (NERSA), Gwava support at National Department of health
Education
National Diploma - Information Technology
PC Training & Business College
Computer Technician - undefined
Advanced Virtual Learning Group
Skills
Budget Management
undefinedPersonal Information
- Date of Birth: 08/28/83
- Nationality: South African
Languages
English
Intermediate (B1)
Northern Sotho
Bilingual or Proficient (C2)
References
- Prince Sebapu, BMW, +27 71 597 9255, prince.sebapu@gmail.com
- Thapelo Kgapola, Ezevee Computer Solutions, +27 72 577 0888, thapelo@ezevee.co.za
- Election Chabala, DERCO, 0646207161, chabalala.election@gmail.com
Drivinglicense - Category
Heavy Vehicle 3,500kg - 16,000kg
Timeline
Conditional Grant Coordinator
National Library
10.2014 - 08.2018
Network Administrator
National Library
07.2011 - 09.2014
Linux Administrator
National Library
07.2009 - 06.2011
Linux & Open Source Software Delivery Engineer
Meso ICT Solutions
01.2009 - 06.2009
Junior Linux Administrator
Choice Technologies
01.2008 - 12.2008
Senior Network Administrator
National Library
9 2018 - Current
National Diploma - Information Technology
PC Training & Business College
Computer Technician - undefined
Advanced Virtual Learning Group
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