Job Description
Staff Leadership and Management
Engineer – Core Network Operations.Technology
Accountable for meeting and prioritising assigned tasks, targets / deadlines
Responsible for self-learning and development with guidance from the Manager

Ensure cohesive working with the other team members
Provide information to the Manager on work accomplishments, individual / team challenges
Review performance metric dashboards prepared on various performance metrics and provide input to the manager
 Provide support to Planning, Business and Regional Network activities

Adhoc and Operational Meeting

Participate and provide inputs in operational meetings as and when required 
Set up and manage adhoc meetings for day-to-day operational requirements as and when required
Report at process and functional level

Escalations

Escalate issues that will result in significant time, scope, employee / client or cost impact if not resolved
Provide solutions to issues that require formal resolution

Performance

Ensure effective execution of day-to-day operations and resolution of operational issues
Improve productivity and quality through leading practice initiatives

Reporting

Report on daily checks (CS&PS Core nodes) 
Identify key risks, issues and dependencies and propose mitigation actions
Provide suggestions regarding operational changes
Responsibilities
Operational Delivery 

Participate in core network (Circuit Switch, Packet Switch) area trouble shooting, remote / on-site support and emergency recovery activities.
Be involved in the System / Function Verification, trial project and support activities.

Provide technical support in core network (Circuit Switch, Packet Switch) area towards Marketing Unit, Customer service, and other departments.
Perform new product lab test, customer environment qualification and integration
Ensure effective maintenance of PS and CS network elements and implementation of network requirements and specifications to support business strategic services and products
Liaise with Sales Engineers and other technical staff to troubleshoot global network problems.
Perform full system tests daily as required by circumstances.
Develop and maintain a knowledge base for core network technologies.
Prepare and provide consulting support to project team as the need arises.
Follow up installations and preventive maintenance on Ericsson nodes (MSC, MSS, MSC-S Blades, SGSN-MME, GGSN/EPG, BSC, RNC, MGW, SBG HLR-FE, HSS-FE, EIR-FE, CUDB, IMS, vSBG, IPWORKS) and Huawei nodes (BSC, RNC, CloudMSE, CloudPCRF, SBC, etc.)
Oversee software upgrades in Core nodes (PNF&VNF&CNF)

Manage and coordinate roaming configurations and routine tests
Coordinate Disaster Recovery testing and reporting
Prepare reports daily, weekly, and monthly for Management and relevant Group functions
Act as liaison between Network Managed Service (MS) vendor and IT team and/or IT MS vendor.
Qualifications
EDUCATION & QUALIFICATIONS

B.Sc. in Electrical/ Electronic or Telecommunications Engineering.

MSC in Telecoms or equivalent would be an advantage.
At least 4 years work experience in a medium to large telecoms company

Experience in troubleshooting TCP/IP with protocol analyzers, Wireshark, legacy Core network operations, roaming cloud based systems, etc.
Experience on Ericsson and Huawei core equipment portfolio will be desirable.

TRAINING

Ericsson Centralized User Database (CUDB) 13B Operation and Service Configuration
Huawei Mobile Core Network Fundamental & UPCC Operation and Maintenance Training
GSM System Survey and GPRS System Survey
ISO 9001: 2015 Quality Management System-Requirements / ITIL V3 frameworks
Any other relevant

KNOWLEDGE

Understanding of 3GPP, ITU-T and ANSI standards.

Circuit and Packet switched communications protocols such as SS7 (including SCCP, TCAP, MAP and CAMEL phases 1 to 4), SCTP (SIGTRAN), Diameter, including ability to design and configure voice, data and messaging flows. 

Voice SIP / RTP, ISUP and voice convergence technologies, including IMS (including VoLTE and VoWiFi).

Online Charging System (OCS) and CAMEL in billing and call control.

Core Network virtualization and cloudification

SKILLS

Basic understanding of telecom network key technology is preferred
Familiar to 3GPP, ITU-T Standard and Core network and flow is preferred.
Voice SIP / RTP, ISUP and voice convergence technologies, including IMS (including VoLTE and VoWiFi).
Hands on with sniffers, Wireshark and testing tools advanced mode.
Experience with mobile networks(2G/3G/4G/5G), international signaling, and international interconnects a strong plus.
Extensive experience with complex signaling interop within next generation intelligent networks.
Problem Solver 
Quality and efficiency minded, analytical thinking.
Quick learner, willing to take challenge, thriving in fast paced, high-pressure environment.

BEHAVIORAL QUALITIES

Decisive Problem Solver 
Detail-oriented 
Highly organized 
Proactive & creative 
Manages time 
Open-minded 
Open and trustworthy
High orientation towards customer needs 

 HOW TO APPLY ? 

All applications must be submitted ONLINE at : https://ehle.fa.em2.oraclecloud.com/hcmUI/CandidateExperience/ 

Deadline: Apply Before : 04/09/2026, 12:55 AM