Senior Networks & Infrastructure Administrator cGrate Zambia

Position Overview

The Senior Networks & Infrastructure Administrator provide planning, documentation, setup,
configuration and management of our systems infrastructure and network nodes i.e. links, radios,
switches, routers, firewalls and servers.

Job Responsibilities

1. Network Planning:

• Assessment of current network infrastructure & identify strengths, weaknesses,
  opportunities, and threats.
• Capacity planning to ensure that the network can handle the current and anticipated load.
• Design for security, redundancy and high availability to minimize downtime and exposure.

2. Network Documentation:

• Provide a detailed network architecture design for all the network nodes and servers.
• Provide a detailed network CMDB with IPs, VLANs, Network node ports & server port details.
• Maintain/Manage the updating/revision of the architecture & CMDB documents.

3. Network Configuration:

• Configuration of network nodes access security by following the best practices.
• Configuration of nodes interface IP addresses, routing, access control lists, DHCP, VLANs etc.
• Configuration of partners S2S VPNs and management of end users VPN access.

4. Network Management & Support:

• Day to day support with any reported network issue which might require inhouse support or
  partner support.
• Day to day support with network administration i.e. VPN users profile definition, editing and
  removal.
• Day to day network configurations backup on the network nodes and servers.
• Day to day end user support for any reported network challenges.
• Prepare weekly and monthly network performance reports.

5. Network Monitoring & Fine Tuning:

• Network monitoring tool implementation and management.
• Day to day network nodes performance & links bandwidth monitoring.
• Plan to introduce strategic configurations/links/nodes to improve the network performance.

6. Infrastructure Administration:

• Addition of new infrastructure on the network.
• Systems infrastructure maintenance.

Organizational Alignment

• Reports directly to the Head – Information & Technology.

Qualifications

• Bachelor’s degree in networking engineering, or a related field.
• Proven experience as a networks administrator or in a related role.
• Professional certifications like CCNA/CCNP/ CompTIA Network+ is a plus.
• Experience in managing S2S/end users VPNs is a plus.
• Experience in managing Linux servers network configuration is a plus.
• Strong analytical, problem-solving, and critical-thinking skills.
• Excellent communication and interpersonal abilities