Senior Network Engineer

Jardine OneSolution; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

A leading technology service provider in Singapore is looking for a Network Support Specialist with a minimum of 7 years of experience in large-scale infrastructure. Responsibilities include troubleshooting network issues, leading projects, and mentoring junior staff. Strong knowledge in routing, switching, and firewall technologies is required. This role offers the opportunity to work in various sectors, ensuring optimal network performance and client success.

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.

Responsibilities

• Provide hardware/software break-fix support for business-critical systems across various industries.
• Troubleshoot and resolve network issues reported by managed service agents.
• Lead and deliver Tech-Refresh projects, ensuring timely completion.

Skills

Network support operations

Routing

Switching

Firewalls

Project management

Troubleshooting

Customer interaction

Tools

Palo Alto

Fortinet

Cisco

Job description

Responsibilities

• 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 (CCNP/CCIE certification preferred).
• Hands‑on experience with Firewall/Security technologies (Palo Alto, Fortinet, Cisco, SASE, SD‑WAN).
• Practical experience with Huawei NCE Campus/Fabric solutions (HCIP/HCIE preferred).
• 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.