- Tanjong Pagar Central Region (Singapore) Singapore
Full Time Senior Network Engineer – Voice Transport - Cisco Data Center Jobs, Salary up to SGD 13,500 in INFRASOFT TECHNOLOGIES PTE LTD Central Region (Singapore) - Maukerja
Senior Network Engineer – Voice Transport - Cisco Data Center
INFRASOFT TECHNOLOGIES PTE LTD
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Job Description
Responsibilities
Key Responsibilities
Voice Transport & Unified Communications
Design, deploy, and support Voice Transport systems including SIP, RTP, SBCs, PRI gateways, and VoIP infrastructure across global sites
Manage and optimize Cisco Collaboration platforms (CUCM, CUBE, Unity, IM&P)
Maintain dial plans, call routing, QoS policies, codec strategies, and voice quality SLAs
Integrate voice systems with WAN, SD-WAN, MPLS, and cloud telephony platforms
Conduct voice traffic analysis, capacity planning, and performance tuning
Cisco Data Center
Network
ing
Architect and operate Cisco ACI fabrics, including multi-pod/multi-site deployments
Manage Cisco Nexus platforms (9K/7K/5K), vPC, VXLAN, EVPN, and spine-leaf architectures
Implement segmentation, micro-segmentation, and security policies
Support DC migrations, new plant deployments, and compute/storage integration
Ensure high availability, redundancy, and disaster recovery readiness
Enterprise
Network
Engineering
Lead L2/L3 network design using BGP, OSPF, EIGRP, MPLS, VRF, and advanced routing policies
Implement QoS, traffic engineering, and performance optimization
Manage DNS/DHCP/IPAM platforms (Infoblox preferred)
Develop HLD/LLD, network diagrams, test plans, and operational runbooks
Drive incident resolution, root-cause analysis, and continuous improvement
Security, Compliance & Governance
Apply cybersecurity standards across voice and DC environments (ACLs, segmentation, encryption)
Collaborate with security teams on audits, compliance checks, and vulnerability remediation
Ensure designs comply with global IT policies and regulatory frameworks
Required Skills & Experience
10–20+ years in enterprise network engineering with focus on voice transport and Cisco DC
Hands-on expertise with Cisco ACI, Nexus platforms, and DC fabric technologies
Strong experience with VoIP, SIP, SBCs, CUCM, CUBE, and voice quality optimization
Deep understanding of routing protocols, QoS, multicast, and network performance engineering
Experience with Infoblox DNS/DHCP/IPAM
Proven experience supporting large-scale, multi-site enterprise networks (manufacturing/automotive preferred)
Strong documentation and architecture skills
Preferred Certifications
CCNP/CCIE (Routing & Switching, Data Center, Collaboration)
Cisco ACI Specialist certifications
Voice/UC certifications (Collaboration track)
Infrasoft Technologies is a dedicated software company for the Banking & Finance Industry. We help creating new business models with our software products, solutions and specialized services. We are an ISO9001 & 27001 and CMMi Level 5 v1.3 Company having a global foot print with operations in New York, London, Dubai, Bahrain, Malaysia, Singapore and Mumbai.
Voice Transport & Unified Communications
Design, deploy, and support Voice Transport systems including SIP, RTP, SBCs, PRI gateways, and VoIP infrastructure across global sites
Manage and optimize Cisco Collaboration platforms (CUCM, CUBE, Unity, IM&P)
Maintain dial plans, call routing, QoS policies, codec strategies, and voice quality SLAs
Integrate voice systems with WAN, SD-WAN, MPLS, and cloud telephony platforms
Conduct voice traffic analysis, capacity planning, and performance tuning
Cisco Data Center
Network
ing
Architect and operate Cisco ACI fabrics, including multi-pod/multi-site deployments
Manage Cisco Nexus platforms (9K/7K/5K), vPC, VXLAN, EVPN, and spine-leaf architectures
Implement segmentation, micro-segmentation, and security policies
Support DC migrations, new plant deployments, and compute/storage integration
Ensure high availability, redundancy, and disaster recovery readiness
Enterprise
Network
Engineering
Lead L2/L3 network design using BGP, OSPF, EIGRP, MPLS, VRF, and advanced routing policies
Implement QoS, traffic engineering, and performance optimization
Manage DNS/DHCP/IPAM platforms (Infoblox preferred)
Develop HLD/LLD, network diagrams, test plans, and operational runbooks
Drive incident resolution, root-cause analysis, and continuous improvement
Security, Compliance & Governance
Apply cybersecurity standards across voice and DC environments (ACLs, segmentation, encryption)
Collaborate with security teams on audits, compliance checks, and vulnerability remediation
Ensure designs comply with global IT policies and regulatory frameworks
Required Skills & Experience
10–20+ years in enterprise network engineering with focus on voice transport and Cisco DC
Hands-on expertise with Cisco ACI, Nexus platforms, and DC fabric technologies
Strong experience with VoIP, SIP, SBCs, CUCM, CUBE, and voice quality optimization
Deep understanding of routing protocols, QoS, multicast, and network performance engineering
Experience with Infoblox DNS/DHCP/IPAM
Proven experience supporting large-scale, multi-site enterprise networks (manufacturing/automotive preferred)
Strong documentation and architecture skills
Preferred Certifications
CCNP/CCIE (Routing & Switching, Data Center, Collaboration)
Cisco ACI Specialist certifications
Voice/UC certifications (Collaboration track)
Infrasoft Technologies is a dedicated software company for the Banking & Finance Industry. We help creating new business models with our software products, solutions and specialized services. We are an ISO9001 & 27001 and CMMi Level 5 v1.3 Company having a global foot print with operations in New York, London, Dubai, Bahrain, Malaysia, Singapore and Mumbai.
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