Network Administrator
2025-08-18T05:02:57+00:00
CV People
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https://www.cvpeopletanzania.co.tz/
FULL_TIME
Dar es Salaam
Dar es Salaam
00000
Tanzania
Professional Services
Computer & IT
2025-08-26T17:00:00+00:00
Tanzania
8
Job Description
The Network Administrator will be responsible for designing, implementing, maintaining, and supporting our network infrastructure to ensure maximum uptime and performance. The ideal candidate must be a hands-on professional with strong technical skills and a proactive approach to network optimization, troubleshooting, and security management
Responsibilities
- Deploy, configure, and maintain LAN, WAN, wireless networks, and internet connectivity.
- Ensure 99.99% availability of the network infrastructure through proactive monitoring and preventive maintenance.
- Troubleshoot complex network issues involving routing, switching, firewalls, and wireless technologies.
- Manage and optimize performance of core Layer 2 and Layer 3 network protocols (e.g., VLANs, STP, BGP, OSPF).
- Administer firewall and security policies, including VPN setup, NAT rules, access control lists, and zone-based firewall
- Ensure timely backup and secure storage of device configurations.
- Maintain network documentation, diagrams, and change logs.
- Serve as Level 1 and Level 2 escalation support for all network-related incidents.
- Coordinate and communicate with internal stakeholders and external service providers to ensure adherence to SLA.
- Assist in IT-related projects requiring network involvement and infrastructure planning.
- Repair and recover from network hardware or software failures in a timely and structured manner.
- Participate in after-hours support rotations or emergency responses as required.
- Implement and manage network security systems to safeguard organizational data and infrastructure.
- Monitor network access logs and alerts for unauthorized activity or potential threats.
- Maintain compliance with organizational and regulatory security standards.
- Maintain updated inventory of all network hardware, tools, and spares
- Monitor the lifecycle of network licenses and ensure timely renewal and procurement
- Enforce standardized configuration templates across devices.
- Work closely with the ITSM/Service Delivery Manager to align network services with broader IT processes and strategic goals.
- Provide technical mentorship to junior IT staff.
- Document all operational procedures, incident reports, and changes in a structured knowledge base
Requirements
Knowledge and Experience
- Bachelor’s degree in computer science, Information Technology, Telecommunications, or related discipline.
- 3–5 years of progressive experience in IP network administration.\
- Solid understanding of networking concepts and protocols: TCP/IP, ARP, DHCP, DNS, STP, VLANs, Port Channels, etc.
- Strong command of Layer 3 routing protocols (BGP, OSPF).
- Experience with enterprise firewall systems, VPNs, and network security technologies.
- Proficiency in Linux administration and CLI-based configuration.
- Hands-on experience with enterprise-grade network monitoring tools such as Zabbix, SolarWinds, or PRTG.
- Familiarity with wireless infrastructure, including 802.11 standards, SSID management, and RF planning.
- Experience working in Telco, ISP, or high-availability environments.
- Understanding of NAC technologies like Cisco ISE, FortiNAC, or Aruba ClearPass.
- Knowledge of cloud networking and SD-WAN solutions.
- Experience in implementing or supporting VoIP systems
Industry certification (Highly preferred)
- CCNA / CCNP
- Juniper Networks Certified Internet Associate/Professional (JNCIA-Junos / JNCIS-ENT
- CompTIA Network+
- Fortinet NSE 4
Deploy, configure, and maintain LAN, WAN, wireless networks, and internet connectivity. Ensure 99.99% availability of the network infrastructure through proactive monitoring and preventive maintenance. Troubleshoot complex network issues involving routing, switching, firewalls, and wireless technologies. Manage and optimize performance of core Layer 2 and Layer 3 network protocols (e.g., VLANs, STP, BGP, OSPF). Administer firewall and security policies, including VPN setup, NAT rules, access control lists, and zone-based firewall Ensure timely backup and secure storage of device configurations. Maintain network documentation, diagrams, and change logs. Serve as Level 1 and Level 2 escalation support for all network-related incidents. Coordinate and communicate with internal stakeholders and external service providers to ensure adherence to SLA. Assist in IT-related projects requiring network involvement and infrastructure planning. Repair and recover from network hardware or software failures in a timely and structured manner. Participate in after-hours support rotations or emergency responses as required. Implement and manage network security systems to safeguard organizational data and infrastructure. Monitor network access logs and alerts for unauthorized activity or potential threats. Maintain compliance with organizational and regulatory security standards. Maintain updated inventory of all network hardware, tools, and spares Monitor the lifecycle of network licenses and ensure timely renewal and procurement Enforce standardized configuration templates across devices. Work closely with the ITSM/Service Delivery Manager to align network services with broader IT processes and strategic goals. Provide technical mentorship to junior IT staff. Document all operational procedures, incident reports, and changes in a structured knowledge base
Bachelor’s degree in computer science, Information Technology, Telecommunications, or related discipline. 3–5 years of progressive experience in IP network administration.\ Solid understanding of networking concepts and protocols: TCP/IP, ARP, DHCP, DNS, STP, VLANs, Port Channels, etc. Strong command of Layer 3 routing protocols (BGP, OSPF). Experience with enterprise firewall systems, VPNs, and network security technologies. Proficiency in Linux administration and CLI-based configuration. Hands-on experience with enterprise-grade network monitoring tools such as Zabbix, SolarWinds, or PRTG. Familiarity with wireless infrastructure, including 802.11 standards, SSID management, and RF planning. Experience working in Telco, ISP, or high-availability environments. Understanding of NAC technologies like Cisco ISE, FortiNAC, or Aruba ClearPass. Knowledge of cloud networking and SD-WAN solutions. Experience in implementing or supporting VoIP systems
JOB-68a2b40106a07
Vacancy title:
Network Administrator
[Type: FULL_TIME, Industry: Professional Services, Category: Computer & IT]
Jobs at:
CV People
Deadline of this Job:
Tuesday, August 26 2025
Duty Station:
Dar es Salaam | Dar es Salaam | Tanzania
Summary
Date Posted: Monday, August 18 2025, Base Salary: Not Disclosed
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JOB DETAILS:
Job Description
The Network Administrator will be responsible for designing, implementing, maintaining, and supporting our network infrastructure to ensure maximum uptime and performance. The ideal candidate must be a hands-on professional with strong technical skills and a proactive approach to network optimization, troubleshooting, and security management
Responsibilities
- Deploy, configure, and maintain LAN, WAN, wireless networks, and internet connectivity.
- Ensure 99.99% availability of the network infrastructure through proactive monitoring and preventive maintenance.
- Troubleshoot complex network issues involving routing, switching, firewalls, and wireless technologies.
- Manage and optimize performance of core Layer 2 and Layer 3 network protocols (e.g., VLANs, STP, BGP, OSPF).
- Administer firewall and security policies, including VPN setup, NAT rules, access control lists, and zone-based firewall
- Ensure timely backup and secure storage of device configurations.
- Maintain network documentation, diagrams, and change logs.
- Serve as Level 1 and Level 2 escalation support for all network-related incidents.
- Coordinate and communicate with internal stakeholders and external service providers to ensure adherence to SLA.
- Assist in IT-related projects requiring network involvement and infrastructure planning.
- Repair and recover from network hardware or software failures in a timely and structured manner.
- Participate in after-hours support rotations or emergency responses as required.
- Implement and manage network security systems to safeguard organizational data and infrastructure.
- Monitor network access logs and alerts for unauthorized activity or potential threats.
- Maintain compliance with organizational and regulatory security standards.
- Maintain updated inventory of all network hardware, tools, and spares
- Monitor the lifecycle of network licenses and ensure timely renewal and procurement
- Enforce standardized configuration templates across devices.
- Work closely with the ITSM/Service Delivery Manager to align network services with broader IT processes and strategic goals.
- Provide technical mentorship to junior IT staff.
- Document all operational procedures, incident reports, and changes in a structured knowledge base
Requirements
Knowledge and Experience
- Bachelor’s degree in computer science, Information Technology, Telecommunications, or related discipline.
- 3–5 years of progressive experience in IP network administration.\
- Solid understanding of networking concepts and protocols: TCP/IP, ARP, DHCP, DNS, STP, VLANs, Port Channels, etc.
- Strong command of Layer 3 routing protocols (BGP, OSPF).
- Experience with enterprise firewall systems, VPNs, and network security technologies.
- Proficiency in Linux administration and CLI-based configuration.
- Hands-on experience with enterprise-grade network monitoring tools such as Zabbix, SolarWinds, or PRTG.
- Familiarity with wireless infrastructure, including 802.11 standards, SSID management, and RF planning.
- Experience working in Telco, ISP, or high-availability environments.
- Understanding of NAC technologies like Cisco ISE, FortiNAC, or Aruba ClearPass.
- Knowledge of cloud networking and SD-WAN solutions.
- Experience in implementing or supporting VoIP systems
Industry certification (Highly preferred)
- CCNA / CCNP
- Juniper Networks Certified Internet Associate/Professional (JNCIA-Junos / JNCIS-ENT
- CompTIA Network+
- Fortinet NSE 4
Work Hours: 8
Experience in Months: 36
Level of Education: bachelor degree
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