Search by job, company or skills

Senior Network Engineer Voice Transport & Cisco Data Center

Senior Network Engineer Voice Transport & Cisco Data Center

infrasoft technologies pte ltd
10-13 Years
SGD 9,500 - 13,500 per month
Early Applicant
  • Posted a day ago
  • Be among the first 10 applicants

Job Description

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)

More Info

Job Type:
Industry:
Employment Type:

Key Skills