Overview

Senior Network Specialist

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Date: 22 Jul 2025

Location:

Singapore, Singapore

Company:
Singtel Group

An empowering career at Singtel begins with a Hello. Our purpose, to Empower Every Generation, connects people to the possibilities they need to excel. Every “hello” at Singtel opens doors to new initiatives, growth, and BIG possibilities that takes your career to new heights. So, when you say hello to us, you are really empowered to say…“Hello BIG Possibilities”.

  • Act as Level-3 engineer and Subject Matter Expert for Global Network Services.
  • Part of the 24×7 escalations team (on rotational standby call).
  • Manage incidents escalation to ensure issues are recorded, tracked, resolved, and follow-ups are completed in a timely manner.
  • Provide Technical Support and consultancy as SME to internal stakeholder, for and not limited to service onboarding and process improvement.
  • Review complex change request and participate in pre-change council meeting.
  • Work closely and support problem management team to identify root cause of chronic problem or recurring issues, plan for preventive actions and improvement.
  • Analyse IP network performance and take proactive actions and preventive measures to monitor and enhance the network performance including software and hardware upgrades, etc.
  • Occasionally provide training to Tier 1 and 2 engineers on the complex issue handled.
  • Support engineering teams on new product/ feature implementation and technical support matters.
  • Publish Technical Support Bulletins and other technical documentation in the Knowledge Base
  • Review of technical documentation for training materials, manuals, troubleshooting guides, etc

 

Skills for Success:

  • Minimum cisco CNNP with rich experience troubleshooting in complex enterprise LAN and large WAN.
  • At least 8+ years’ experience in similar support roles, working directly with large global customers and partners.
  • Good knowledge on Telco and enterprise network and technologies.
  • Working experience in configuring and troubleshooting SD-WAN technologies
  • Strong understanding of routing protocols like OSPF, BGP, MP-BGP, MPLS, TE, SR, QoS, SDWAN Overlay protocols.
  • Expertise with Remote Access VPN solutions, IPSEC, PKI & SSL, TCP/IP, Authentication Protocols (LDAP, RADIUS etc.)
  • Experience of Security services (IDS/IPS, Firewalls etc.)
  • Strong ability to independently debug broad, complex, and unique networks with mixed medium and protocols required.
  • Working Experience with Checkpoint, Juniper, and Fortinet products a plus
  • Having SD-WAN certification and/or CCIE is a great advantage.
  • Working experience minimum in one of the following SDWAN product: Cisco, Silverpeak, Velocloud, Fortinet, etc.
  • Cloud and Virtualization experience (AWS, Azure, VMWare, OpenStack) is a plus.

 

 

 

About Singtel

Headquartered in Singapore, Singtel has 140 years of operating experience and played a pivotal role in the country’s development as a major communications hub. Optus, our subsidiary in Australia, is a leader in integrated telecommunications, constantly raising the bar in innovative products and services.

We are also strategically invested in leading companies in Asia and Africa, including Bharti Airtel (India, South Asia and Africa), Telkomsel (Indonesia), Globe Telecom (the Philippines) and Advanced Info Service (Thailand). We work closely with our associates, leveraging our scale in networks, customer reach and extensive operational experience to lead and shape the communications industry.

Together, the Group serves over 700 million mobile customers around world. Singtel is one of the largest listed Singapore companies on the Singapore Exchange by market capitalisation.

The Group has a vast network of offices throughout Asia Pacific, Europe and the USA, and employs more than 23,000 staff worldwide.