Senior Cloud Network Engineer

HCLTech; Singapore; On-site; SGD 90,000 - 120,000; Full time

Job summary

A global technology leader based in Singapore is seeking an experienced Network Engineer to manage and resolve network incidents, lead technical calls, and provide mentoring to junior engineers. The ideal candidate will possess at least 10 years of experience and deep expertise in LAN/WAN architectures along with strong skills in AWS Load Balancers and Cisco technologies. This role will enhance customer satisfaction through effective communication and problem resolution. A bachelor's degree in a related field is required.

Qualifications

• Minimum 10 years of experience in supporting global network infrastructures.
• Expert level knowledge of EIGRP, OSPF, BGP and route table troubleshooting.
• Strong hands-on experience with Cisco and Aruba WLAN technologies.

Responsibilities

• Manage and resolve network tickets using ServiceNow.
• Lead technical incident calls for high-severity situations.
• Conduct network testing, audits, and compliance checks.

Skills

Network troubleshooting

Customer communication

Technical mentoring

Education

Bachelor’s degree in Computer Science or related field

Tools

ServiceNow

Wireshark

AWS Load Balancer

Cisco Viptela

F5 Load Balancers

Job description

Responsibilities

• Manage and resolve network tickets and incidents using the ServiceNow platform.
• Lead technical incident calls and act as the subject matter expert during high‑severity situations.
• Troubleshoot and provide break‑fix support for complex network issues across LAN, WAN, and cloud environments.
• Perform root cause analysis (RCA) and implement corrective and preventive actions.
• Define, review, and improve operational processes while ensuring adherence to established standards.
• Work collaboratively to ensure timely resolution of issues within defined SLA parameters.
• Mentor and provide technical guidance to junior engineers and support staff.
• Conduct network testing, audits, and compliance checks as required.
• Enhance customer satisfaction through effective communication, ownership, and problem resolution.
• Participate in the Follow‑the‑Sun global support model, ensuring seamless regional transitions.

Requirements

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• Minimum 10 years of Network Engineer experience supporting global network infrastructures.
• Deep technical expertise across LAN/WAN architectures.
• Strong experience with AWS Load Balancers and integration of hyperscaler environments with on‑premises data centers and applications.
• Expert level knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, BGP and ability to interpret and resolve complex route table problems.
• Expert level knowledge for debugging network devices and outstanding Wireshark reading skills.
• Strong hands‑on experience with Cisco Viptela (vManage, vSmart, vBond, vEdge).
• Switching: Cisco/Arista (STP, HSRP, SVI, EtherChannel, StackWise, VSS, Nexus).
• Wireless: Cisco and Aruba WLAN technologies.
• Load Balancers: F5 (Virtual Load Balancer).