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Senior Network Technical Support Specialist (L3)

Ntt Singapore Pte. Ltd.

D12 Toa Payoh, Balestier, SerangoonContractS$9,000 – S$11,000/mo

Posted 24 Jul 2026

About this role

Responsibilities: Deliver technical solutions to clients and take responsibility for the standards of work, project sign off and client satisfaction. Provide client support, assisting with troubleshooting and design, configuration and escalated problem management. Act as key project team members charged with the analysis of client and technical requirements, specifications development, solution design and development, and in some environments may consult on testing and deployment processes. Expected to be technology leads for specific technologies and to use their deep knowledge of these technologies to propose enhancements. Education: Degree in Computer Engineering, Computer Science, Information Technology or related field CCIE, CCNP, CCNA F5, or other relevant Requirements: At least 5 – 10 years' professional technical experience related to software development, systems design and deployment, or networking and infrastructure within a large scale (preferably multi- national) technology services environment Experience in designing and building complex LAN and large WAN Expertise in routing/switching technology, including BGP, OSPF, etc. Expertise in designing and building complex data center network with Software Defined Networking (SDN) solutions such as Cisco Catalyst Center, Cisco ACI, EVPN or any OpenFlow protocol. Experience in designing and building complex WAN with Software Defined WAN solutions such as Viptela, SilverPeak and Riverbed. Experience in designing and building complex campus network with Software Defined Access (SDA) solutions from Cisco or any other SDA vendors. Experience in network automation via scripting (e.g. Python, Ruby) or tools (e.g. Ansible, Algosec, Chef) Experience in designing and building network security (Checkpoint, Palo Alto, Fortigate, Cisco firewall, IDS/IPS, VPN, SSL, Cisco ISE). Experience in designing and building complex LAN and large WAN in F5 Context, LTM and GTM Experience in project management methodologies Singaporean/PR preferred

What they're looking for

TroubleshootingSDCCNAData Center

About Ntt Singapore Pte. Ltd.

Industry: Information & communications

Frequently asked questions

What does a Senior Network Technical Support Specialist (L3) at Ntt Singapore Pte. Ltd. do?

Responsibilities: Deliver technical solutions to clients and take responsibility for the standards of work, project sign off and client satisfaction. Provide client support, assisting with troubleshooting and design, configuration and escalated problem management. Act as key project team members cha…

What skills does this Senior Network Technical Support Specialist (L3) role need?

Key skills for this role include Troubleshooting, SD, CCNA, Data Center.

How much does a Senior Network Technical Support Specialist (L3) at Ntt Singapore Pte. Ltd. pay?

This role lists a salary of S$9,000 – S$11,000 per month.

Is this Senior Network Technical Support Specialist (L3) role remote, hybrid, or on-site?

The listing is based in D12 Toa Payoh, Balestier, Serangoon. Check the posting for remote or hybrid options.

How do I apply for this Senior Network Technical Support Specialist (L3) role?

You can apply directly on Ntt Singapore Pte. Ltd.'s careers page. ApplyLah can tailor your résumé and cover letter to this exact role in seconds first.