Senior Network Engineer – Voice Transport & Cisco Data Cente

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

Job summary

Teceze is seeking an experienced Senior Network Engineer to design and support enterprise voice transport and data center networking. You will work on Cisco ACI fabrics, Nexus switches, and spine-leaf architectures while optimizing routing protocols and QoS for mission-critical infrastructure.

Ideal candidates have hands-on Cisco ACI/Nexus Data Center experience, VOIP/SIP expertise, and a track record with large multi-site networks.

Qualifications

• HHands-on experience with Cisco ACI and Nexus Data Center technologies.
• Solid knowledge of VoIP, SIP, SBCs, CUCM, and CUBE.
• Experience supporting large-scale, multi-site enterprise networks and DR.

Responsibilities

• Design and support enterprise voice transport solutions using VoIP, SIP, RTP, SBCs, and CUCM.
• Manage Cisco Collaboration technologies including CUCM, CUBE, Unity, and IM&P.
• Design and maintain Cisco ACI fabrics, Nexus switches, VXLAN, EVPN, and spine-leaf architectures.
• Implement and optimize routing and switching protocols (BGP, OSPF, EIGRP, MPLS, VRF).
• Configure QoS, traffic engineering, and voice quality optimization.
• Support data centre migrations, high availability, disaster recovery, and network performance improvements.
• Collaborate with global teams on network design, troubleshooting, security, and documentation.

Skills

VoIP

SIP

RTP

SBCs

CUCM

CUBE

Cisco ACI

Nexus Data Center

VXLAN

EVPN

BGP

OSPF

EIGRP

MPLS

VRF

QoS

Traffic engineering

Network troubleshooting

Tools

Cisco ACI

Nexus Data Center

Infoblox DNS/DHCP/IPAM

Job description

Domain: Enterprise Networking | Voice Transport | Cisco Data Center

Are you a networking expert passionate about Cisco Data Center technologies, Voice Transport, and enterprise network architecture? Here’s an exciting opportunity to work on large-scale, mission-critical global infrastructure!

• Design and support enterprise voice transport solutions using VoIP, SIP, RTP, SBCs, and Cisco Unified Communications.
• Manage Cisco Collaboration technologies, including CUCM, CUBE, Unity, and IM&P.
• Design and maintain Cisco ACI fabrics, Nexus switches, VXLAN, EVPN, and spine-leaf architectures.
• Implement and optimize routing and switching protocols, including BGP, OSPF, EIGRP, MPLS, and VRF.
• Configure QoS, traffic engineering, and voice quality optimization.
• Support data centre migrations, high availability, disaster recovery, and network performance improvements.
• Manage DNS/DHCP/IPAM solutions, preferably Infoblox.
• Collaborate with global teams on network design, troubleshooting, security, and technical documentation.

Hands-on expertise in Cisco ACI and Nexus Data Center technologies

Solid knowledge of VoIP, SIP, SBCs, CUCM, and CUBE

Strong routing, switching, QoS, and network troubleshooting skills

Experience supporting large-scale, multi-site enterprise networks

Excellent communication and stakeholder management skills

Good to Have

• CCNP/CCIE certifications in Data Center, Collaboration, or Routing & Switching
• Cisco ACI or Unified Communications certifications
• Infoblox DNS/DHCP/IPAM experience
• Manufacturing or automotive industry exposure

Looking for: Experienced network professionals who can drive technical delivery, resolve complex network challenges, and support mission-critical enterprise infrastructure.

Interested? Share your updated CV via DM or comment below.

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