Transmission Engineer, Datacom Engineer & IMS Core Engineer

Transmission Engineer

• Provide technical support to customer operations and maintenance teams for transmission network issues.
• Support troubleshooting and fault isolation for MSTP, SDH, OTN, DWDM, and IP/MPLS networks.
• Assist customer teams during network outages and critical issue resolution.
• Coordinate with field engineers and vendors for corrective actions and restoration activities.
• Support preventive and corrective maintenance activities whenever required by the customer.
• Lead/support transmission rollout projects including new node integration and network expansion activities.
• Coordinate installation, commissioning, and acceptance testing of transmission equipment.
• Support network migration, swap, modernization, and expansion activities.
• Participate in SDH to OTN migration activities including planning, execution, testing, and service restoration.

• Lead and manage Datacom engineers and field support teams.
• Assign tasks, monitor team performance, and ensure timely delivery of activities.
• Provide technical mentoring and skill development for team members.
• Conduct technical reviews, risk assessments, and operational planning.
• Ensure adherence to company processes, safety standards, and customer requirements.
• Manage end‑to‑end deployment of Datacom projects including:

• IP/MPLS networks
• SRv6 deployments
• Routing & Switching infrastructure
• Enterprise and telecom backbone solutions

• Coordinate with project managers, customers, and cross‑functional teams during implementation activities.
• Review HLD/LLD designs and validate implementation plans.

• Operate and maintain IMS nodes (CSCF, SBC, TAS, HSS/UDM)
• Troubleshoot SIP/Diameter signaling and VoLTE/Vo Wi Fi  call flows
• Basic knowledge of NFVI platform and perform troubleshooting for cloud layer.
• Manage PCRF/PCF policies, QoS, and bearer issues
• Handle incidents, KPIs, and SLA compliance
• Support upgrades, patches, and network optimization
• Deliver IMS/VoLTE projects (integration, testing, rollout)

• Strong knowledge of transmission technologies:
  
  MSTP, Fiber Optics, SDH, OTN, DWDM
• Understanding of SDH to OTN migration concepts and transmission modernization activities.
• Experience with transmission equipment from vendors such as Huawei, Nokia, or Ericsson.
• Knowledge of telecom network troubleshooting and implementation procedures.
• Understanding of telecom KPIs and SLA management.

• Strong knowledge of: MPLS, SRv6, BGP, OSPF, ISIS, IPv6, VPN technologies
• Routing & Switching
• Network Security fundamentals
• Experience with Huawei, Cisco, Juniper, or Nokia Datacom equipment.
• Familiarity with NMS/EMS tools and network monitoring systems.

• Strong knowledge of IMS architecture and 3
  
  GPP standards
• Hands‑on with SIP, Diameter, RTP, DNS
• Experience in VoLTE, VOBB, Business Trunking, Vo Wi Fi , VoNR, S8HR and PCRF/PCF
• Familiarity with EPC/5GC and NFVI