IT Network Administrator

February 10, 2022

Job Description

MainOne Cable Nigeria

MainOne Cable is a leading facilitator and preferred provider of innovative telecom services and network solutions such as Connectivity and Data Center Solutions to Telecom operators, Internet Service Providers (ISPs), other businesses and Government institutions across West Africa.
MainOne Cable's success is built on having talented and highly proficient people within their respective fields as the driving force behind our business. A job in MainOne is different from any other you have had. With joining MainOne you'll be challenged, inspired and proud as you become a part of something big.
We are recruiting to fill the position below:
Job Title: IT Network Administrator
Location: Lagos
Department: Corporate Services & Development
Job Type: Permanent
The IT Network Administrator will be responsible for the following:

Perform network maintenance and system upgrades including service packs, patches, hotfixes and security configurations.
Monitor performance and ensure system availability and reliability.
Monitor system resource utilization, trending, and capacity planning.
Provide Level-2/3 support and troubleshooting to resolve issues.
Work within the established configuration and change management policies to ensure awareness, approval and success of changes made to the network infrastructure.
Select and implement security tools, policies, and procedures in conjunction with the company’s security team.
Liaise with vendors and other IT personnel for problem resolution.

Qualifications, Skills & Competencies

A minimum of HND / BSc. Degree in Computer Science Electrical / Electronics Engineering or in a related discipline.
5 – 7 years experience in designing, implementations of LAN/WAN networks, Network and Cyber Security industry experience.
Network+ or CCNP in Routing & Switching or Security is required. MCSE certification is a plus.
Hands-on knowledge of Cisco routers/switches and Cisco/Fortigate Firewalls.
Hands-on experience in Routing protocol, OSPF/EIGRP/BGP.
Configure and install various network devices and services (e.g., routers, switches, firewalls, load balancers, VPN, QoS).
Basic understanding of network services, DHCP, DNS, Proxy, NAT etc.
TCP/IP network design and configuration.
Network Documentation skills.
Experience working with Cisco Identity Services Engine (Cisco ISE).
Good understanding of Voice over IP technology and Cisco CUCM (Cisco preferred).
Hands-on experience in Enterprise wireless implementation.
Ability to demonstrate knowledge of IT security skills in Encryption, Endpoint protection, Email protection.
Basic knowledge of Microsoft Active Directory Infrastructure, Windows server operating system DNS, DHCP and Microsoft Exchange Servers.
Sound knowledge of TCP/IP, IPv4 and CIDR.

Demands of the Job

Process-driven, with strong analytical and planning skills.
Technical & Professional proficiency.
Strong coaching and team leadership skills.
Very good problem-solving and troubleshooting skills.
Excellent customer service orientation.
Vendor relationship and negotiating skills.
Business communication and project management skills.
Ability to communicate effectively with relevant areas of the business.
Knowledge of and experience with: Information systems security, Unix/Linux, Windows AD, LANS/WANS; OSI Layer & Network protocols.

Application Closing Date
Not Specified.
How to Apply
Interested and qualified candidates should:
Click here to apply online

To apply for this job please visit


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