Senior Network Engineer at Phase3 Telecom Limited

Phase3 Telecom is West Africa’s largest independent fibre optic infrastructure and telecommunications services provider. With coverage of 6000km and counting, the company is licensed to run its network on Nigeria’s power infrastructure with expansion into the ECOWAS region using its unique Right of Way (RoW).

We are recruiting to fill the position below:

Job Title: Senior Network Engineer

Location: Abuja
Job type: Full time

Job Summary

• The ideal candidate will be responsible for designing, implementing, and maintaining our core network infrastructure and client solutions.
• You will play a key role in ensuring the stability, integrity, and efficient operation of our network services, which directly support our business and our customers.

Key Responsibilities

• Network Design & Implementation: Deploy, configure, and maintain network hardware and software, including routers, switches, firewalls, and wireless systems.
• MPLS Management: Design, provision, and troubleshoot Layer 2 and Layer 3 MPLS VPN services on Cisco, Huawei, and Mikrotik platforms.
• Security Management: Configure and manage firewall rules, VPNs (SSL/IPsec), and security policies on Fortigate and Sophos firewalls to protect the network perimeter and internal assets.
• Wireless & LAN Deployment: Plan and implement enterprise-grade Local Area Networks (LAN) and Wireless solutions using Cisco WLAN Controllers and Mikrotik CAPsMAN, and UniFi Controller for Wireless Access Points.
• Internet Access Services: Manage and optimize Direct Internet Access (DIA) solutions for reliability and performance.
• On-Call Support: Participate in an on-call rotation to provide 24/7 support for critical network infrastructure.

Required Qualifications & Technical Skills

• Bachelor’s Degree in Computer Science, Information Technology, or a related field, or equivalent experience.
• Minimum of 5 years of hands-on experience in a network engineering role, preferably within a telecom or ISP environment.

Essential Technical Proficiency:

•  Routers: Strong experience with Huawei NE and AR Series routers for MPLS and BGP configurations.
• Switching: Solid understanding of Cisco Catalyst switches (Layer 2/Layer 3) and Mikrotik RouterOS and SwitchOS.
• Firewalls: Proven experience configuring and managing Fortigate and Sophos firewalls.
• Wireless: Hands-on experience with Mikrotik wireless equipment and UniFi controller-based WAP deployment and management.
• Protocols & Services: In-depth knowledge of BGP, OSPF, MPLS (L2VPN/VPLS, L3VPN), VLANs, STP, QoS, and IPsec VPNs.

Preferred Qualifications:

• Relevant industry certifications (e.g., HCIA/HCIP, CCNA/CCNP, NSE4/5, MTCNA, MTCRE).
• Experience with network automation and scripting (e.g., Python, Ansible).
• Strong understanding of network security principles and best practices.

Application Closing Date
Not Specified.

How to Apply
Interested and qualified candidates should send their CV to: recruitment@phase3telecom.com using the Job Title as the subject of the email.