Network Consultant (Singapore, Singapore)

Singtel; Singapore; On-site; Confidential; Full time

Job summary

Singtel is seeking a Network Consultant to monitor, support, and maintain customers' SD‑WAN solutions and IT infrastructure. The role requires solid technical foundations, problem-solving skills, and the ability to work under pressure in a dynamic environment.

Responsibilities include proactive monitoring, incident handling, SD‑WAN change requests across platforms, and coordination with vendors. English fluency and certifications in networking are advantageous.

Qualifications

• Tertiary education in IT, Networking, or related field.
• 1–2 years in IT infrastructure operations or technical support (LAN/WAN/Cloud).
• Certifications in networking, systems, virtualization, cloud, or ITSM are advantageous.

Responsibilities

• Monitor and support network infrastructure including SD‑WAN, routers, switches, and firewalls.
• Respond to and resolve IT incidents; document resolutions.
• Execute standard service and change requests across SD‑WAN platforms.
• Perform daily health checks, log reviews, and system performance monitoring.
• Coordinate with vendors and specialist teams for escalations and improvements.

Skills

Network monitoring

Incident management

Communication

Problem solving

Team collaboration

Education

Bachelor's degree in IT/ Networking

Polytechnic diploma in related field

Tools

Cisco Viptela

VMware VeloCloud

RansNet

Silver Peak

Fortinet

WLAN platforms (Cisco/Aruba/Meraki)

Job description

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”.

We are looking for dedicated and highly motivated Network Consultant to join our team.

This role is critical in ensuring the continuous monitoring, support, and maintenance of customers' SD-WAN solutions and overall IT infrastructure. The ideal candidate will possess a solid technical foundation, strong problem-solving capabilities, and the ability to perform under pressure in a dynamic environment.

Key Responsibilities

Monitoring and Support

• Proactively monitor and support network infrastructure, including routers, switches, firewalls, SD-WAN, and wireless solutions.
• Provide first-level support and troubleshooting for detected issues.

Incident Management

• Respond to and resolve IT incidents in a timely manner, adhering to established procedures and escalation protocols.
• Accurately document incidents and resolutions within the incident management system.

SD-WAN Change Request Management

• Execute predefined standard service requests and change requests across various SD-WAN platforms, including:
  • Cisco Viptela
  • VMware VeloCloud
  • RansNet
  • Silver Peak
  • Fortinet

Operational Tasks

• Perform daily health checks, log reviews, and system performance monitoring.
• Ensure all scheduled tasks are completed within agreed service levels.
• Troubleshoot infrastructure issues and coordinate with specialist teams and vendors.
• Participate in maintenance activities and operational improvements.

Communication

• Maintain clear communication with internal IT teams, stakeholders, and end users.
• Provide timely updates on incident status and operational activities.

Compliance and Security

• Follow company policies and regulatory standards to ensure secure and compliant IT operations.

Qualifications & Requirements

• Tertiary education in Information Technology, Networking, or a related field (Bachelor's degree or Polytechnic diploma preferred).
• At least 1–2 years of experience in IT infrastructure operations or technical support (LAN/WAN/Cloud).
• Relevant professional certifications in networking, systems, virtualization, cloud, or IT service management (e.g., ITIL, CCNA, CCNP, VMware, or SD-WAN vendor certifications) are advantageous.
• Strong analytical and problem-solving skills with a keen interest in information security and network reliability.
• Fluent in English, both written and spoken, with strong interpersonal and communication skills.
• Candidates should indicate their certifications and years of experience with the listed technologies in their application.

• Good to haveexperience or knowledge supporting SD-WAN environments such as:
  • Cisco Viptela
  • VMware VeloCloud
  • RansNet
  • Silver Peak
  • Fortinet
• Ability to perform operational changes, troubleshoot issues, and coordinate escalations when required.
• Experience with enterprise wireless platforms such as Cisco, Aruba, Ruckus, Meraki, or equivalent solutions is advantageous.
• Experience supporting and troubleshooting enterprise Wireless LAN (WLAN) environments, including:
  • Access Points (APs)
  • Wireless Controllers
  • Cloud-managed wireless solutions