Senior Network Engineer

STARHUB LTD.; Singapore; On-site; SGD 80,000 - 100,000; Full time

Job summary

A leading telecommunications provider in Singapore is looking for a Network Support Engineer to provide critical support for large-scale network infrastructure. The role involves troubleshooting network issues, leading tech-refresh projects, and ensuring optimal network performance across various sectors. Candidates should possess extensive experience in network operations, strong technical skills, and the ability to mentor junior staff. The position may require participation in a 24/7 standby duty for escalated issues.

Qualifications

• Minimum of 7 years of experience in network support operations.
• Strong knowledge of routing, switching, and firewalls.
• Proficient in configuring network devices for security.

Responsibilities

• Provide break-fix support for critical systems.
• Troubleshoot and resolve network issues.
• Lead Tech-Refresh projects and mentor junior members.

Skills

Network technologies knowledge

Troubleshooting skills

Project management skills

Customer interaction skills

Tools

Palo Alto

Fortinet

Cisco

Job description

Responsibilities

The Network Support Engineer role is for a StarHub Subsidiary. The Engineer will be based at StarHub Green to coordinate, manage the scope as stated below:

• Provide hardware/software break-fix support for business‑critical systems across various industries, including Hospitality, Healthcare, Government, and Financial sectors.
• Troubleshoot and resolve network issues reported by managed service agents, identifying root causes and implementing timely solutions.
• Lead and deliver Tech‑Refresh projects, ensuring timely completion.
• Mentor and provide guidance to junior team members.
• Participate in a 24/7 rotational standby duty for P1/P2 escalations after office hours, including weekends and public holidays.
• Design and implement new network solutions and/or optimize the efficiency of current networks.
• Monitor, troubleshoot, and maximize network performance through ongoing maintenance and optimization.
• Deliver Client Success key account services, including change requests, preventative maintenance, and standby support.
• Perform network maintenance and system upgrades including certificate updates, patches, hot fixes and security configurations.
• Performing Risk Assessment and bug scrub reviews on reported security network vulnerabilities from vendor products.
• Report network status and performance to key stakeholders.

Qualifications

• Minimum of 7 years of relevant experience in network support operations for large-scale network infrastructure.
• Strong knowledge of network technologies, including routing, switching, firewalls, FTTH access networks, SASE, and SD‑WAN.
• Proficient in configuring firewalls, routing & switching and wireless network to maximize network efficiency and security.
• Proven expertise in core switching and routing (ACCP/ACNP/ACSP certification preferred).
• Hands‑on experience with Firewall/Security technologies (Palo Alto, Fortinet, Cisco, SASE, SD‑WAN).
• Good project management, configuration, troubleshooting skills
• Good customer interaction, written and oral communication skills
• Ability to work with all levels, and ability to work and contribute in a team or individually