Senior Network Support Engineer

PERSOL; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

PERSOL in Singapore is seeking a Network Operations Specialist to join the client’s DMZ network support team. You will provide operations support and maintenance for core network infrastructure and work with cross-functional teams to ensure service levels.

The role involves fault analysis, configuration updates, performance optimization, and maintaining documentation and security policies to ensure consistency and efficiency across operations.

Qualifications

• Degree or Diploma in IT/Engineering with relevant experience in projects.
• Hands-on experience with firewall, switches, routers, DNS/DHCP/NTP, and TCP/IP networking.

Responsibilities

• Be part of the client’s DMZ network support team providing operations support and maintenance for core network infrastructure.
• Manage and track incidents through to resolution by collaborating with cross-functional teams and escalating issues as necessary to maintain SLAs.
• Conduct fault analysis, problem resolution, configuration updates, performance optimization, etc.
• Maintain and update documentation and best practices to ensure consistency and efficiency across operations as well as completeness and adherence to the required security policies, standard and guidelines.

Skills

Stakeholder management

Troubleshooting

Communication

Education

Bachelor's degree in IT or ECE

Diploma in IT or ECE

Tools

Firewall (Palo Alto)

Fortinet

Switches

Routers

DNS

DHCP

NTP

TCP/IP networking

Job description

Job Responsibilities

• Be part of the client’s DMZ network support team providing operations support and maintenance for core network infrastructure.

• Manage and track incidents through to resolution by collaborating with cross-functional teams and escalating issues as necessary to maintain service level agreements (SLAs).

• Conduct fault analysis, problem resolution, configuration updates, performance optimization, etc.

• Maintain and update documentation and best practices to ensure consistency and efficiency across operations as well as completeness and adherence to the required security policies, standard and guidelines.

Job Requirements

• Degree in Information Technology or Electrical/Electronics Engineering or equivalent with at least 2 years of experience in managing projects or Diploma in Information Technology or Electrical/Electronics Engineering or equivalent with at least 8 years of experience in managing projects.

• Hands‑on experience and working knowledge of firewall, switches, routers, DNS, DHCP, NTP configuration, TCP/IP networking, etc.

• Experience working with Firewall products such as Palo Alto and Fortinet

• Ability to diagnose and resolve network access problem and perform network troubleshooting.

• Certification in network/system expertise (e.g. CCNA, ITIL, etc) will have added advantage.

• Experience in vendor coordination and stakeholder management.

• Able to deal with staff officers and operational users in the course of work.