INFRASOFT TECHNOLOGIES PTE LTD
3 weeks ago
Senior Network Engineer – Voice Transport & Cisco Data Center
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Company information
- Company
- INFRASOFT TECHNOLOGIES PTE LTD
- Location
- Singapore Singapore
- Posted
- 3 weeks ago
Job description
Key Responsibilities
Voice Transport & Unified Communications
Cisco Data Center
Network
ing
Enterprise
Network
Engineering
Security, Compliance & Governance
Required Skills & Experience
Preferred Certifications
#J-18808-Ljbffr
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)
#J-18808-Ljbffr
Required skills
- automotive
- documentation
- manufacturing
- audits
- continuous improvement
- collaboration
- dns
- architecture
- unified communications
- voip
- sip
- rtp
- capacity planning
- cybersecurity
- regulatory frameworks
- high availability
- disaster recovery
- performance tuning
- sd-wan
- dhcp
- traffic engineering
- wan
- ccnp
- bgp
- ospf
- encryption
- segmentation
- unity
- routing protocols
- acls
- incident resolution
- mpls
- lld
- security policies
- cisco aci
- data center
- eigrp
- aci
- multi-site
- test plans
- vrf
- vpc
- it policies
- ccie
- qos
- vulnerability remediation
- network engineering
- root-cause analysis
- redundancy
- compliance checks
- vxlan
- cisco nexus
- infoblox
- ipam
- multicast
- cube
- evpn
- hld
- dc migrations
- routing & switching
- cucm
- micro-segmentation
- call routing
- sbcs
- cloud telephony
- network diagrams
- operational runbooks
- spine-leaf architectures
- cisco collaboration
- large-scale networks
- multi-site networks
- voice transport
- pri gateways
- im&p
- dial plans
- codec strategies
- voice quality slas
- voice traffic analysis
- cisco data center
- multi-pod
- nexus 9k
- nexus 7k
- nexus 5k
- compute integration
- storage integration
- enterprise network engineering
- l2/l3 network design
- routing policies
- cisco dc
- nexus platforms
- dc fabric technologies
- voip optimization
- network performance engineering
- cisco aci specialist
- voice certifications
- uc certifications
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