Job Summary

We are seeking a skilled and motivated Core Network Engineer to join our network engineering team and support the operation, maintenance, optimization, and expansion of our IP core and backbone infrastructure. The successful candidate will help ensure network availability, performance, scalability, and security while supporting the delivery of reliable Internet and digital services to residential, business, and wholesale customers.

Key Responsibilities

• Operate, maintain, and troubleshoot IP core, backbone, aggregation, and edge networks.
• Configure and manage routers, switches, and related network infrastructure.
• Implement and troubleshoot routing protocols, including BGP and OSPF, and support MPLS-based services where applicable.
• Monitor network performance, capacity, availability, and service quality, identifying and resolving issues proactively.
• Troubleshoot complex connectivity, routing, packet loss, latency, congestion, and interoperability issues.
• Support IP transit, peering, upstream connectivity, and interconnection activities.
• Assist in implementing network expansions, upgrades, migrations, and new service deployments.
• Support network redundancy, high availability, traffic engineering, and disaster recovery procedures.
• Collaborate with the NOC, field operations, systems, security, and service delivery teams to resolve incidents and maintain service continuity.
• Maintain accurate network diagrams, configurations, technical documentation, and operational procedures.
• Follow change management, incident management, and network security procedures.
• Participate in on-call rotations and planned maintenance activities when required.

Technical Requirements

• Good understanding of IP networking, TCP/IP, subnetting, IPv4, and IPv6.
• Hands-on experience with routing and switching technologies, including BGP, OSPF, VLANs, and link aggregation.
• Knowledge of MPLS, VRF, QoS, and traffic engineering concepts.
• Experience configuring and troubleshooting routers and switches from vendors such as Cisco, Juniper, Huawei, or MikroTik.
• Familiarity with DNS, DHCP, NAT, RADIUS/AAA, and network addressing services.
• Understanding of network monitoring tools and protocols, including SNMP, syslog, and NetFlow or equivalent technologies.
• Basic knowledge of network security, ACLs, firewalls, DDoS mitigation, and secure network management.
• Familiarity with network redundancy, failover mechanisms, and high-availability architectures.
• Exposure to ISP operations, Internet transit, peering, and backbone capacity management is an advantage.

Education & Certifications

• Bachelor’s degree in Telecommunications Engineering, Computer Engineering, Electrical Engineering, Information Technology, or a related discipline.
• Relevant professional certifications, such as CCNA, JNCIA, or equivalent, are an advantage.
• Equivalent practical experience may be considered in place of formal qualifications.

Required Skills & Competencies

• Strong analytical, troubleshooting, and problem-solving skills.
• Ability to investigate network incidents systematically and identify root causes.
• Good understanding of network operations and service availability requirements.
• Ability to work effectively within a technical team and coordinate with other departments.
• Clear communication and technical documentation skills.
• Good time management and ability to prioritize incidents according to business impact.
• Willingness to learn new technologies and adapt to a rapidly evolving network environment.

Experience

• Typically 2–4 years of hands-on experience in IP networking, network engineering, or ISP operations.
• Experience supporting production networks and resolving customer-impacting incidents is preferred