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Core Network Engineer at VDT Communications Limited

Posted on Thu 22nd May, 2025 - hotnigerianjobs.com --- (0 comments)


VDT Communications Limited is one of Nigeria’s leading broadband service providers, delivering enterprise-grade connectivity through extensive fiber optic and wireless infrastructure. With over 145 Points-of-Presence across the country, we provide reliable and secure communication solutions to top-tier organizations across multiple industries.

We are recruiting to fill the position below:

Job Title: Core Network Engineer

Location: Ikoyi, Lagos
Employment Type: Full-time

Job Summary

  • We are seeking a highly skilled Core Network Engineer to design, implement, maintain, and optimize the IP/MPLS core infrastructure supporting our telecom, ISP, and enterprise network services.
  • The ideal candidate will be responsible for ensuring 24/7 high availability, capacity scalability, and robust security of our core networking systems across multiple POPs, data centers, and customer-facing services.

Key Responsibilities
Core Network Operations:

  • Design and deploy scalable and redundant IP/MPLS core networks (dual-stack IPv4/IPv6).
  • Operate and manage edge/core routers, aggregation switches, and broadband access systems.
  • Maintain routing protocols: BGP, OSPF, IS-IS, and ensure optimal peering policies.
  • Manage interconnections with upstream providers, IXPs, and enterprise clients.
  • Optimize traffic engineering using MPLS-TE, segment routing, and QoS strategies.

Network Availability & Monitoring:

  • Ensure high availability (99.999%) of the core and aggregation network layers.
  • Continuously monitor network health using SNMP/NMS tools (e.g., SolarWinds, Zabbix, Nagios).
  • Troubleshoot network faults, conduct root cause analysis, and implement preventive measures.

Integration & Support:

  • Support integration of broadband, mobile backhaul, voice, and cloud services into the core.
  • Collaborate with NOC, Transmission, Security, and Access teams for service assurance.
  • Provide L3/L4 escalation support and manage changes with minimal disruption.

Security & Compliance:

  • Implement firewall policies, ACLs, route filters, DDoS protection, and network hardening.
  • Ensure compliance with industry standards (ISO/IEC, NCC guidelines, etc.).
  • Conduct network audits and support DR/BCP planning and implementation.

Documentation & Capacity Planning:

  • Maintain up-to-date documentation of network architecture and configurations.
  • Perform periodic capacity analysis and make recommendations for upgrades.
  • Participate in infrastructure scaling, new site rollout, and POP expansion planning.

Requirements
Education & Certifications:

  • B.Sc. in Computer Science, Telecommunications, Electrical Engineering, or a related field.
  • Professional Certifications: CCNP/CCIE, JNCIP/JNCIE, HCIP/HCIE, or Nokia NRS-II preferred.

Industry Experience:

  • 3 - 7 years of experience in Telecom, ISP, or large-scale Enterprise Network environments.
  • Proven record of managing multi-vendor core networks and service provider-grade infrastructure.

Technical Expertise:

  • Strong understanding of IP/MPLS, VRF, VLANs, L2/L3 VPNs, NAT, DNS, DHCP.
  • Hands-on experience with equipment from Cisco, Juniper, Huawei, Nokia, or Mikrotik.
  • Experience with transmission technologies: SDH, DWDM, Microwave (preferred).
  • Familiarity with network automation tools: Python, Ansible, Netconf/YANG (advantageous).

Soft Skills:

  • Strong troubleshooting, documentation, and analytical skills.
  • Effective communicator across technical and non-technical teams.
  • Ability to work in high-pressure, mission-critical environments with 24/7 responsibilities.
  • Proactive mindset with keen attention to detail.

Salary
N400,000 - N550,000 / Month.

Application Closing Date
19th June, 2025.

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


  

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