VDT Communications Limited provides a complete, turnkey solution to all of your data communication needs. As an offshoot of BITCOM systems Ltd with several years of experience in the design, installation, and maintenance of all types of data network engineering solutions is put at the advantage of our customers. We drive network transformation for enterprises and service providers through communications technologies that increase productivity and open new sources of revenues. As a mission, we set to provide a reliable, end-to-end source for telecommunications services with a broad product suite backed by trustworthy, dependable customer service. VDT Communications Support Group provides the highest possible level of technical support expertise using the latest technology and tools. At the core of the technical support group is a knowledgeable, highly trained and motivated technical staff familiar with most recent industry standards and best operational practices. Our Technical Support personnel are thoroughly trained on the products supported to maintain equipment and systems at peak efficiency. When problems occur, VDT Communications Limited is committed to do whatever it takes to get things back to normal operation in the shortest time possible. Our technical support is ultimately monitored online from our head office in Falomo, Lagos and our customers also have online access to the performance reports on their links on a 24/7/365 basis.
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.
Method of Application
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