IT Network Administrator


The IT Network Administrator will be responsible for the following:

Provide Level-2/3 support and troubleshooting to resolve issues

Monitor performance and ensure system availability and reliability
Monitor system resource utilization, trending, and capacity planning

Liaise with vendors and other IT personnel for problem resolution.
Configure and install various network devices and services (e.g., routers, switches, firewalls, load balancers, VPN, QoS)
Perform network maintenance and system upgrades including service packs, patches, hotfixes and security configurations
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

Qualifications, Skills & Competencies

Network Documentation skills.

Sound knowledge of TCP/IP, IPv4 and CIDR

Hands-on experience in Enterprise wireless implementation.

Hands-on experience in Routing protocol, OSPF/EIGRP/BGP

Experience working with Cisco Identity Services Engine (Cisco ISE).

Basic understanding of network services, DHCP, DNS, Proxy, NAT etc.

Hands-on knowledge of Cisco routers/switches and Cisco/Fortigate Firewalls.

Good understanding of Voice over IP technology and Cisco CUCM (Cisco preferred)

Minimum of HND/BSc. degree in Computer Science or Electrical/Electronics Eng or in a related discipline.

Ability to demonstrate knowledge of IT security skills in Encryption, Endpoint protection, Email protection

5-7 years experience in designing, implementation 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.

Basic knowledge of Microsoft Active Directory Infrastructure, Windows server operating system DNS, DHCP and Microsoft Exchange Servers

Demands of the Job

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.

Process-driven, with strong analytical and planning 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 

MainOne is a leading provider of innovative telecom services and network solutions for businesses in West Africa. Our world-class infrastructure enhances the productivity and profitability of our customers. MainOne continues to invest significantly in bringing the benefits of digital transformation across West Africa. With the influx of private capital coupled with a huge working population, the continent is increasingly empowered to drive growth and development. With our subsea cable, growing metropolitan infrastructure and data centre ecosystem, MainOne is uniquely positioned to catapult the region. Our world class submarine cable system running down the coast of West Africa, state of the art IP NGN network, growing regional and metro terrestrial fiber optic networks, and data center facilities enable broadband services for businesses needing online connectivity solutions in West Africa. MainOne has grown to become the leading provider of Wholesale and Enterprise connectivity and data center services across the West African region and the company partners with major global technology companies to deliver services to its customers. The company continues to grow its footprint with major network interconnection facilities, extensive terrestrial fiber build out, regional Points of presence, and delivery of services into 10 countries in West Africa.