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.
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.
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.
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.
- Experience with transmission technologies: SDH, DWDM, Microwave (preferred).
- Familiarity with network automation tools: Python, Ansible, Netconf/YANG (advantageous).
- Hands-on experience with equipment from Cisco, Juniper, Huawei, Nokia, or Mikrotik.
Soft Skills:
- Strong troubleshooting, documentation, and analytical skills.
- Ability to work in high-pressure, mission-critical environments with 24/7 responsibilities.
- Proactive mindset with keen attention to detail.
- Effective communicator across technical and non-technical teams.
Salary
N400,000 – N550,000 / Month.
How to Apply
Interested and qualified candidates should send their CV to: [email protected] using the Job Title as the subject of the email
Application Deadline 19th June, 2025.