Senior Voice & Data Center Network Engineer

purview asia pacific pte. ltd.

Singapore

On-site

SGD 120,000 - 180,000

Full time

6 days ago

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Job summary

Purview Asia Pacific Pte. Ltd. is seeking a Senior Network Engineer with deep expertise in Voice Transport, Cisco data center networking, and enterprise networking to support global manufacturing, engineering, and corporate environments.

You will design, implement, optimize, and support voice and data center infrastructure, including Cisco ACI, Nexus, VoIP, SIP, CUCM, CUBE, routing, QoS, DNS/DHCP/IPAM (Infoblox), and cross-site deployments, while mentoring junior engineers.

Qualifications

At least 10+ years of enterprise network engineering experience.
Strong hands-on experience with Cisco ACI, Cisco Nexus and Data Center networking.
Strong expertise in VoIP, SIP, SBC, CUCM, CUBE and voice transport.
Excellent understanding of BGP, OSPF, EIGRP, MPLS, VRF, QoS and multicast.
Experience with VXLAN, EVPN, vPC and spine-leaf architectures.
Experience with Infoblox DNS/DHCP/IPAM is preferred.

Responsibilities

Design, deploy, and support enterprise Voice/VoIP infrastructure, including SIP, RTP, SBCs, PRI gateways and Cisco Collaboration platforms.
Manage and optimize Cisco CUCM, CUBE, Unity and IM&P environments, including dial plans, call routing, QoS and voice quality.
Design and operate Cisco ACI data center fabrics, including multi-site/multi-pod environments.
Manage Cisco Nexus 9K/7K/5K, vPC, VXLAN, EVPN and spine-leaf architectures.
Implement network segmentation, micro-segmentation, security policies and high-availability solutions.
Support data center migrations, new site/plant deployments and integration with compute and storage platforms.
Design and manage enterprise L2/L3 networks using BGP, OSPF, EIGRP, MPLS and VRF.
Implement QoS, traffic engineering, capacity planning and network performance optimization.
Manage DNS/DHCP/IPAM, preferably using Infoblox.
Develop HLD/LLD documents, network diagrams, test plans and operational runbooks.
Lead troubleshooting, incident management, root-cause analysis and continuous improvement.
Collaborate with security teams on cybersecurity, compliance, vulnerability remediation and governance requirements.
Work with global technical teams, vendors and stakeholders and provide technical leadership and mentoring.