Senior Voice & Cisco Data Center Network Engineer

infrasoft technologies pte ltd; Singapore; Sur place; SGD 120 000 - 180 000; Plein temps

Résumé du poste

infrasoft technologies pte ltd seeks a senior Enterprise Network Engineer focusing on voice transport and Cisco DC. You will design, deploy, and manage VoIP infrastructure, SIP trunking, and Cisco collaboration platforms across global sites.

The role requires deep expertise in Cisco ACI/Nexus, QoS, routing protocols, and security policy enforcement. Candidates should have strong documentation and incident management skills and a track record of large-scale deployments.

Qualifications

• 10–20+ years in enterprise network engineering with focus on voice transport and Cisco DC.
• Hands-on expertise with Cisco ACI fabrics and Nexus platforms.
• Strong experience with VoIP, SIP, SBCs, CUCM, CUBE, and voice quality optimization.
• Deep understanding of routing, QoS, multicast, and network performance engineering.
• Experience with Infoblox DNS/DHCP/IPAM.
• Proven experience supporting large-scale, multi-site enterprise networks.

Responsabilités

• Design, deploy, and support Voice Transport systems across global sites.
• Manage Cisco Collaboration platforms (CUCM, CUBE, Unity, IM&P).
• Maintain dial plans, call routing, QoS policies, and voice quality SLAs.
• Integrate voice systems with WAN, SD-WAN, MPLS, and cloud telephony.
• Conduct voice traffic analysis, capacity planning, and performance tuning.
• Architect and operate Cisco ACI fabrics and DC network with high availability.
• Lead network design using BGP, OSPF, EIGRP, and MPLS; document runbooks.
• Ensure security with encryption, segmentation, and policy enforcement.
• Drive incident resolution and continuous improvement in network operations.

Outils

Cisco ACI fabrics

Cisco Nexus platforms

VoIP & SIP

CUCM/CUBE/Unity/IM&P

BGP/OSPF/EIGRP/MPLS

Infoblox DNS/DHCP/IPAM

Voice quality optimization

Description du poste

infrasoft technologies pte ltd seeks a senior Enterprise Network Engineer focusing on voice transport and Cisco DC. You will design, deploy, and manage VoIP infrastructure, SIP trunking, and Cisco collaboration platforms across global sites.

The role requires deep expertise in Cisco ACI/Nexus, QoS, routing protocols, and security policy enforcement. Candidates should have strong documentation and incident management skills and a track record of large-scale deployments.