IPRAN / IPCORE Low-End Network Maintenance Engineer

Key Responsibilities

1. Network Maintenance:

Perform day-to-day operation and maintenance of PCTN/5GTN and IPCORE routers, including routine inspection, maintenance activities and service support.

1. Alarm & Incident Handling:

Monitor and handle daily network alarms, network incidents and customer-reported issues. Perform initial fault checking and troubleshooting, and escalate complex issues to senior engineers or equipment vendors when required.

1. Hardware & System Maintenance:

Support hardware replacement, system software upgrades, updates and configuration backup activities. Perform post-maintenance checks to ensure normal network operation.

1. Network Monitoring & Health Check:

Monitor network device status, interfaces, link status, alarms and system logs. Perform routine health checks and identify potential network issues or risks.

1. Basic Configuration & Change Support:

Perform standard network configuration changes on routers and switches according to approved procedures and under senior engineer guidance. Support planned maintenance and change activities.

1. Fault Troubleshooting & Technical Escalation:

Perform basic troubleshooting of connectivity, interface, routing and service-related issues using standard CLI commands and network troubleshooting tools. Collect relevant logs, configurations and troubleshooting information for further analysis by senior engineers or vendors.

1. Emergency Support & Network Optimization:

Support network emergency response activities, recovery drills and other preventive maintenance activities. Assist senior engineers with routine network optimization activities and implementation of approved technical recommendations.

1. Documentation & Maintenance Reporting:

Maintain network configuration records, maintenance records, troubleshooting information and hardware replacement records. Prepare regular service and maintenance reports covering network status, incidents, maintenance activities and outstanding issues.

1. Team Collaboration:

Work closely with senior engineers, customer teams, internal technical teams and equipment vendors to support daily network maintenance, incident resolution and stable network operation. Participate in routine technical meetings and discussions when required.

This role requires a Diploma/Bachelor’s degree in Engineering, Computer Science, IT or related disciplines, with basic networking knowledge and practical hands-on experience with network equipment.

1. Technical Requirements:

• Networking Fundamentals: Basic understanding of TCP/IP, IPv4/IPv6, Ethernet, VLAN, ARP and subnetting.
• Routing & Switching: Basic understanding of Layer 2/Layer 3 networking, static routing and OSPF. Basic BGP knowledge is an advantage.
• IP Network Knowledge: Basic understanding of IP/MPLS and service provider network concepts is an advantage.
• Network Equipment: Hands-on experience with routers and switches, including basic CLI operation and configuration.
• Troubleshooting: Able to perform basic troubleshooting using ping, traceroute, interface status, routing tables, logs and alarms.
• Maintenance: Able to follow standard procedures for configuration changes, configuration backup, software upgrade and preventive maintenance.

2. Education: Diploma or Bachelor's degree in Engineering, Computer Science, IT or related disciplines.

3. Preferred Qualifications:

• CCNA, HCIA or equivalent certification.
• 1–3 years of practical networking experience preferred.
• Previous telecom/service provider network experience is an advantage.
• Good troubleshooting and logical thinking skills.
• Good communication and teamwork skills.
• Willingness to learn and work under the guidance of senior engineers.