IT Network Administrator

4 weeks ago

Johannesburg, South Africa Africa-one Consulting and Research Pty (Ltd) Full time

**Responsibilities**

**Network Infrastructure and Windows server administration.**
- Install and support LANs, WANs, VLANs and wireless networks including servers, routers, and switches.
- Monitor and Optimise network performance by trouble shooting network performance issues and analyzing network traffic.
- Administer active directory and MS exchange server environment.
- Ensure stability and integrity of voice and data network services.
- Install Hardware and software.
- Manage the day-to-day operations of network infrastructure, client-server, and virtualized environments.
- Document all network administration processes and installation procedures.

**Telephony**
- Administer the VoIP / PABX communication system.
- Configure users’ phones to their specifications.
- Setup extensions and voice mail
- Upgrade equipment and manage repairs.
- Train users on how to access and use the telephonic system features.

**Network Security**
- Maintain and monitor network security.
- Manage access permissions and privileges for IT infrastructure environment install, configure, administer, and support network equipment, servers, firewalls, Internet and intranet systems.

**Required Qualifications and Experience**:

- Grade 12 matric
- A Bachelor’s Degree is preferred but not required.
- A minimum 5 years of college training and/or specialized technical training with courses applicable to duties
- Any related technology certifications are a plus, such as Microsoft, Cisco Certified Network
- Administrator (CCNA), CompTIA + certifications.
- Minimum 5 years' experience in a technical support role in a networking/security company or equivalent education
- Ability to manage multiple projects at the same time ▪ Ability to operate as a team player and independently
- Strong communication, customer service, troubleshooting, and organizational skills.
- Strong technical knowledge with demonstrable hands-on knowledge of different types of networks: Local Area Networks (LANs), Wide Area Networks (WANs), Virtual Private Networks (VPNs), and sometimes Storage Area Networks (SANs) are each different types of networks.
- Though some jobs may call for more experience in one over another, having a foundational knowledge of what various networks are and how to configure them will be central to your work as a network administrator.
- Understanding of network security components: These might include firewalls, VPNs, and access control. Knowing what common attacks are and the appropriate response to them will be important as a network administrator.

**Job Type**: Contract

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