Senior Tier-3 Network Engineer: Enterprise IT & Training

St Engineering; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

ST Engineering is seeking a highly motivated Tier 3 Network Engineer to join the Competency Specialist Office in Jurong East. You will provide expert support, troubleshoot complex network issues, and maintain enterprise infrastructure for customers.

You will also design and deliver technical training, mentor Tier 1/2 engineers, develop KB articles, and promote best practices to raise team competency and service quality.

Qualifications

• Minimum 5 years hands-on enterprise network support experience.
• At least 3 years in a Tier 3 senior network engineering role.
• Experience with LAN, WAN, WLAN, Data Center and Network Security technologies.
• Ability to implement, maintain, troubleshoot and perform break-fix activities.
• Basic knowledge of cloud networking concepts and platforms with willingness to learn.

Responsibilities

• Provide Tier 3 technical support for customers' enterprise network infrastructure.
• Serve as final escalation point for complex incidents beyond Tier 1 and Tier 2.
• Perform advanced troubleshooting, fault isolation, patching and root-cause analysis.
• Collaborate with engineers and customers to resolve issues and provide updates.
• Open and drive TAC cases with principal vendors until resolution.
• Develop training materials and mentored sessions for Tier 1/2 engineers.

Skills

Enterprise networking

Network security

Troubleshooting

Training & mentoring

Cloud concepts

Education

Bachelor's degree in Computer Science/Engineering

Tools

Cisco IOS

SolarWinds

Nexus

Job description

ST Engineering is seeking a highly motivated Tier 3 Network Engineer to join the Competency Specialist Office in Jurong East. You will provide expert support, troubleshoot complex network issues, and maintain enterprise infrastructure for customers.

You will also design and deliver technical training, mentor Tier 1/2 engineers, develop KB articles, and promote best practices to raise team competency and service quality.