Packet Core Engineer

Job Summary

Packet Core Engineer

Locations

• Noida
• Chennai

Responsibilities

• Monitor Packet Core network elements and services through OSS/NMS tools.
• Perform real-time surveillance of LTE EPC and 5G Core alarms.
• Execute initial fault isolation, impact assessment, and troubleshooting.
• Acknowledge, analyze, and escalate critical alarms as per operational procedures.
• Open and manage trouble tickets with internal teams and vendors.
• Perform health checks and routine operational activities.
• Follow incident, change, and problem management processes.
• Prepare shift handover reports and operational summaries.
• Coordinate with L2, Engineering, Transmission, IP, RAN, and Vendor teams during incidents.
• Ensure SLA compliance and timely ticket resolution.
• Support planned maintenance activities during maintenance windows.
• Maintain operational documentation and SOPs.

Technical Skills Required

LTE EPC Knowledge

• MME (Mobility Management Entity)
• SGW (Serving Gateway)
• PGW (Packet Gateway)
• HSS (Home Subscriber Server)
• PCRF / PCF
• DNS

5G Core Knowledge

• AMF
• SMF
• UPF
• UDM
• AUSF
• NRF
• NSSF
• PCF

Protocol Knowledge

• Gtp-c / gtp-u
• Diameter
• SIP (Basic)
• SCTP
• TCP/IP
• SS7 (basic understanding)

IP Networking

• Routing and Switching fundamentals
• VLANs
• OSPF/BGP basics
• Packet tracing and analysis
• Wireshark

Tools

• OSS/NMS monitoring tools
• Ticketing systems (ServiceNow, Remedy, etc.)
• Linux/Unix basics
• MS Office reporting tools

Qualifications

• Bachelors Degree in Electronics, Telecommunications, Computer Science, or related field.
• Certifications such as Nokia, Ericsson, Huawei, CCNA, or 5G certifications are preferred.

Experience

• For L1 Engineer: 0-3 years of Telecom NOC/Packet Core Operations experience.
• For Senior L1 Engineer: 3-5 years of LTE EPC / 5G Core Operations experience.

Required Competencies

• Strong analytical and troubleshooting skills.
• Excellent communication and stakeholder management.
• Ability to work in 24x7 rotational shifts.
• Understanding of ITIL processes.
• Customer-focused mindset.
• Ability to work under pressure during major incidents.

KPIs

• Alarm response time.
• Incident acknowledgement within SLA.
• Ticket handling efficiency.
• Escalation compliance.
• Network availability support.
• Shift handover quality.
• Reduction in repeat incidents.

Preferred Vendor Exposure

• Ericsson/ Openet Packet Core (MME, SGW, PGW, HSS, PCRF, 5GC)
• Ericsson EPC/5GC

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.