Senior Core Engineer

Ericsson GmbH; Hyderabad; On-site; INR 800,000 - 1,300,000; Full time

Job summary

Ericsson GmbH in Hyderabad, India invites applications for a Core Support Engineer to join the Network Operations team. You will provide operational support for CS/PS Core Network nodes, troubleshoot faults, and ensure stability, performance, and availability of core elements across the network.

The role requires hands-on Core Network experience, knowledge of CS core technologies, and ability to coordinate with NOC and customer teams.

Qualifications

• Bachelor's degree in Engineering, Telecommunications, Computer Science, or a related field.
• Hands-on experience in Core Network Operations and Support.
• Strong knowledge of CS Core Network technologies and architecture.
• Experience with network elements MGW, MSS, GMSC, GMGW, STP, and DRA.
• Understanding of Packet Core and Telecom Network Operations.
• Basic to intermediate knowledge of IP networking and protocols.
• Experience in fault management, performance analysis, and customer support environments.

Responsibilities

• Provide operational support for CS/PS Core Network nodes deployed across the network.
• Perform troubleshooting and fault resolution for Core Network elements to maintain network stability and service availability.
• Monitor network health and proactively identify performance issues and service degradations.
• Handle incidents and fault management activities in coordination with NOC, Back Office, and customer teams.
• Analyze daily operational reports and implement action plans to address critical KPI/KQI deviations.
• Conduct routine audits and health checks of Core Network nodes and related infrastructure.
• Manage and coordinate Change Requests (CRs) with relevant stakeholders and support teams.
• Drive customer complaint resolution through effective coordination with technical support groups.
• Ensure execution and compliance of backup and restoration processes for Core Network elements.
• Perform preventive and corrective maintenance activities to maintain network reliability.
• Support MSC site operations, facility management, and information management activities.
• Supervise third‑party vendors and ensure adherence to operational and safety standards.
• Follow customer and central team operational guidelines and processes.
• Participate in a 24x7 operational support environment and support network upkeep activities as required.

Skills

Core Network Ops

CS Core Network

MGW

MSS

GMSC

GMGW

STP

DRA

IP networking

Fault management

Change management

Incident management

Root cause analysis

24x7 support

Customer support

Stakeholder management

Troubleshooting

Education

Bachelor's degree in Engineering/Telecommunications/CS

Job description

Join our Team

About this opportunity

We are looking for a Core Support Engineer to join our Network Operations team. In this role, you will be responsible for providing technical support, troubleshooting network issues, and ensuring the stability, performance, and availability of Core Network elements. You will work closely with customers, NOC teams, and internal stakeholders to resolve faults, optimize network performance, and support operational excellence across the network domain. At Ericsson, you will have the opportunity to work with cutting‑edge technologies, contribute to critical network operations, and play a key role in delivering an exceptional customer experience.

What you will do

• Provide operational support for CS/PS Core Network nodes deployed across the network.
• Perform troubleshooting and fault resolution for Core Network elements to maintain network stability and service availability.
• Monitor network health and proactively identify performance issues and service degradations.
• Handle incidents and fault management activities in coordination with NOC, Back Office, and customer teams.
• Analyze daily operational reports and implement action plans to address critical KPI/KQI deviations.
• Conduct routine audits and health checks of Core Network nodes and related infrastructure.
• Manage and coordinate Change Requests (CRs) with relevant stakeholders and support teams.
• Drive customer complaint resolution through effective coordination with technical support groups.
• Ensure execution and compliance of backup and restoration processes for Core Network elements.
• Perform preventive and corrective maintenance activities to maintain network reliability.
• Support MSC site operations, facility management, and information management activities.
• Supervise third‑party vendors and ensure adherence to operational and safety standards.
• Follow customer and central team operational guidelines and processes.
• Participate in a 24x7 operational support environment and support network upkeep activities as required.

You will bring

• Bachelor's degree in Engineering, Telecommunications, Computer Science, or a related field.
• Hands‑on experience in Core Network Operations and Support.
• Strong knowledge of CS Core Network technologies and architecture.
• Experience working with network elements such as MGW, MSS, GMSC, GMGW, STP, and DRA.
• Understanding of Packet Core and Telecom Network Operations.
• Basic to intermediate knowledge of IP networking and protocols.
• Experience in fault management, performance analysis, and customer support environments.
• Ability to perform troubleshooting, root cause analysis, and problem resolution under pressure.
• Familiarity with change management, incident management, and operational processes.
• Strong analytical, communication, and stakeholder management skills.
• Flexibility to work in a 24x7 support model and handle critical operational situations.
• A customer‑focused mindset with a commitment to service quality and operational excellence.

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

Why join Ericsson?

At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.

Primary country and city: India (IN) || Hyderabad