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