Senior Network Engineer - Voice & Cisco Data Center

Purview Asia Pacific; Singapore; On-site; SGD 110,000 - 190,000; Full time

Job summary

Purview Asia Pacific is seeking a Senior Network Engineer to design, implement, and optimize enterprise Voice/VoIP and data center networks in Singapore for global manufacturing, engineering and corporate environments.

You will lead multi-site Cisco ACI deployments, manage Nexus spine-leaf architectures and mentor junior engineers while collaborating with security teams and global stakeholders.

Qualifications

• At least 10+ years of enterprise network engineering experience.
• Hands-on experience with Cisco ACI, Nexus and data center networking.
• Strong expertise in VoIP, SIP, SBC, CUCM, CUBE and voice transport.
• Solid 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.
• Experience supporting large-scale, multi-site enterprise networks; manufacturing/automotive experience is an advantage.
• Strong network architecture, documentation and troubleshooting skills.
• Ability to work across global teams and manage complex technical environments.

Responsibilities

• Design, deploy, and support enterprise Voice/VoIP infrastructure including SIP and gateways.
• Manage and optimize CUCM, CUBE, Unity and IM&P environments and dial plans.
• Design and operate Cisco ACI data center fabrics across multi-site environments.
• Manage Cisco Nexus 9K/7K/5K with vPC, VXLAN and EVPN architectures.
• Implement network segmentation, security policies, and high-availability solutions.
• Support data center migrations and new site deployments with compute/storage integration.
• Design and manage L2/L3 networks using BGP, OSPF, EIGRP, MPLS and VRF.
• Implement QoS, traffic engineering, and performance optimization.
• Manage DNS/DHCP/IPAM and leverage Infoblox when available.
• Produce HLD/LLD documents, diagrams, test plans and runbooks.
• Lead troubleshooting, incident management and continuous improvement.
• Collaborate with security teams on cybersecurity, governance and remediation.
• Work with global teams, vendors and stakeholders providing technical leadership and mentoring.

Skills

Cisco ACI

Cisco Nexus

Voice/VoIP

SIP & CUCM

BGP/OSPF/EIGRP

VXLAN/EVPN

VPC and Spine-Leaf

QoS & Traffic Engineering

DNS/DHCP/IPAM

Network Security & HA

Documentation & Diagrams

Mentoring & Leadership

Job description

Purview Asia Pacific is seeking a Senior Network Engineer to design, implement, and optimize enterprise Voice/VoIP and data center networks in Singapore for global manufacturing, engineering and corporate environments.

You will lead multi-site Cisco ACI deployments, manage Nexus spine-leaf architectures and mentor junior engineers while collaborating with security teams and global stakeholders.