Senior Support Engineer - Core Networks

Ericsson; Kolkata Metropolitan Area; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Ericsson in India is seeking a Senior Support Engineer for the 4G/5G IMS domain to monitor network functions, resolve customer-reported problems under SLA, and participate in project delivery, system integration, testing and upgrades.

The role requires 5 years of IT/telecom ops experience, TCP/IP, cloud-native architectures, and strong English communication. You will act as the primary interface to customers, lead incident/change management, and support 24x7 rotations.

Qualifications

• Bachelor's degree in engineering is required.
• 5 years of IT or telecom operations experience.
• Experience with 4G/5G IMS installation, integration and troubleshooting.
• Knowledge of 4G EPC (MME, SGW, PGW), 5G core (UDM) is desirable.
• Strong English communication and customer-facing skills.
• Familiarity with Docker/Kubernetes for cloud-native telecom architectures.

Responsibilities

• Act as main IMS domain support interface across IMS nodes for monitoring and maintenance.
• Lead incident, problem, and change management; support cloud infra upgrades and post IMS node upgrades.
• Collaborate with global teams and interface with the customer.
• Ensure high availability, resiliency, and performance optimization of deployed solutions.
• Participate in 24x7 emergency support when required.

Skills

IMS domain

Cloud networks

Troubleshooting

Customer communication

On-call support

TCP/IP networking

Education

Bachelor's degree in engineering

Tools

Docker

Kubernetes

Job description

About the Opportunity

We are seeking a skilled Senior Support Engineer in the domain of 4G/5G IMS Domain to provide support to network function monitoring, customer reported problems according to established processes and contracted SLA. With experience more operational and technical issue handling for dedicated customers, solutions or domains becomes part of the work. The individual may also be involved in project delivery as part of the job role which will involve system integration, testing and upgrades.

Join our Team

About the Opportunity

We are seeking a skilled Senior Support Engineer in the domain of 4G/5G IMS Domain to provide support to network function monitoring, customer reported problems according to established processes and contracted SLA. With experience more operational and technical issue handling for dedicated customers, solutions or domains becomes part of the work. The individual may also be involved in project delivery as part of the job role which will involve system integration, testing and upgrades.

What you will do:

• Act as the main support interface for the Customer across IMS domain for monitoring and maintaining IMS Nodes
• Provide support and lead team for incident, problem, and change management activities, support monitoring during cloud infra upgrades and baby sit post IMS nodes upgrades.
• Collaborate with global competence domain teams and be the interface towards customer.
• Ensure high availability, resiliency, and performance optimization of deployed solutions
• Participate in 24x7 emergency support if necessary

The skills you bring:

• Education: Bachelor's (Btech or equivalent ) in engineering field.
• Domain Experience: 5 yrs of experience, Background in IT or Telecom operations; interest in cloud networks and 4G/5G infrastructure within production support contexts. IMS (VoLTE/VoWiFi) installation, integration and troubleshooting.
• Additional competence in 4G EPC (MME, SGW, PGW), 5G Packet Core & UDM is good
• Strong expertise in Core Products and Cloud native based telecom architectures
• Good customer management and communication skills
• Understanding of 4G/5G call flows and 3GPP specifications.
• Troubleshooting experience of the issues faced by customer in live network.
• Knowledge on E-2-E call flows for VoLTE/VoNR/EPSFB procedures
• Working knowledge of Networking (TCP/IP) and Cloud/Container platforms (Docker/K8s) from an operations perspective.
• Experience with Ericsson CEE,CCD/CNIS platform is desirable.
• Operational Mindset: Solid troubleshooting methodology, incident prioritization, and RCA documentation; comfort with on-call emergency rotation.
• Soft Skills: Strong communication in English, proactive team player, customer-focused, and committed to quality and reliability.

"All academic credentials must be from recognized and accredited institutions and are further subject to verification."