Senior Voice & Data Center Network Engineer (Cisco)

PURVIEW ASIA PACIFIC PTE. LTD.; Singapore; On-site; SGD 140,000 - 200,000; Full time

Job summary

PURVIEW ASIA PACIFIC PTE. LTD. is seeking a Senior Network Engineer with deep Cisco expertise to design, deploy and optimize voice and data center networks across global manufacturing and corporate environments.

You will lead high-availability infrastructure projects, work with cross-functional teams, and mentor engineers while ensuring security and governance standards are met. This role requires strong communication and global collaboration.

Qualifications

• Extensive enterprise network engineering experience in large-scale environments.
• Hands-on expert in Cisco ACI, Nexus data center networking.
• Deep knowledge of VoIP, SIP, SBC, CUCM, CUBE.
• Strong routing and switching with BGP/OSPF/EIGRP, MPLS, VRF.
• Experience with VXLAN/EVPN and spine-leaf architectures.
• Experience with Infoblox DNS/DHCP/IPAM is preferred.

Responsibilities

• Design, deploy, and support enterprise Voice/VoIP infrastructure (SIP, RTP, SBCs, PRI gateways).
• Manage and optimize CUCM, CUBE, Unity and IM&P environments, including dial plans and QoS.
• Design and operate Cisco ACI data center fabrics (multi-site).
• Manage Nexus 9K/7K/5K, vPC, VXLAN, EVPN and spine-leaf architectures.
• Implement network segmentation, security policies, high availability.
• Support data center migrations and site deployments; integrate with compute/storage.
• Design and manage L2/L3 networks using BGP, OSPF, EIGRP, MPLS, VRF.
• Implement QoS, traffic engineering, capacity planning, performance optimization.
• Manage DNS/DHCP/IPAM (Infoblox).
• Develop HLD/LLD, network diagrams, test plans, runbooks.
• Lead troubleshooting, incident management, root-cause analysis, continuous improvement.
• Collaborate with security teams on cybersecurity and governance.

Skills

Cisco ACI

Cisco Nexus

VoIP & SIP

CUCM & CUBE

BGP/Ospf/EIGRP/MPLS/VRF

VXLAN/EVPN

Voice Transport

Network security

Leadership & mentoring

Job description

PURVIEW ASIA PACIFIC PTE. LTD. is seeking a Senior Network Engineer with deep Cisco expertise to design, deploy and optimize voice and data center networks across global manufacturing and corporate environments.

You will lead high-availability infrastructure projects, work with cross-functional teams, and mentor engineers while ensuring security and governance standards are met. This role requires strong communication and global collaboration.