Data Core Engineer – Manager

Vodafone

. Troubleshoot and resolve complex 4G LTE EPC and 5G Core network incidents within agreed SLAs .

Posted 11/11/2026full-timeBangalore • IndiaMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates strong expertise in 4G LTE EPC and 5G Core architectures, with hands-on experience in network functions and troubleshooting complex incidents. Proficient in automation and operational solutions using Python, Shell scripting, and CI/CD practices within a 24x7 telecom operations environment.

Highest-signal resume keywords

4G LTE EPC And 5G Core ArchitecturesTroubleshooting Diameter, GTPv2-C, GTP-U, PFCP, SIP, SCTP, DNS, HTTP/2, MAP And TCP/IPPacket And Protocol Trace Analysis Using Wireshark And TcpdumpLinux Administration, VMware And KubernetesIncident, Problem, Change And Major Incident Management

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Hard Skills

4G LTE EPC5G CoreNetwork FunctionsAutomation FrameworksPythonShell ScriptingCI/CD PracticesPacket AnalysisProtocol TroubleshootingSubscriber Mobility Management

Soft Skills

Analytical SkillsProblem-SolvingStakeholder ManagementCommunicationDocumentation

Tools & Technologies

WiresharkTcpdumpLinuxVMwareKubernetesAnsibleREST APIsCloud-Native DeploymentsNFVDisaster Recovery

Certifications & Qualifications

Cisco CCNACisco CCNPITIL v4

Industry Keywords

TelecommunicationsMobile Network OperationsOperational ProcessesService Level AgreementsHigh AvailabilityGeo-RedundancyDisaster RecoveryVoLTEVoNR24x7 Environment

Tech Stack

Tools & technologies

AnsibleCloudDNSKubernetesLinuxPythonShell ScriptingTCP/IPUnixVMware

About the role

Key responsibilities & impact

Troubleshoot and resolve complex 4G LTE EPC and 5G Core network incidents within agreed SLAs
Investigate high-complexity technical issues escalated by first-line and operational teams and provide remediation
Analyse attach failures, registration failures, bearer issues, data-session problems, roaming incidents and signalling faults
Perform packet and protocol trace analysis using Wireshark and tcpdump
Configure, integrate and optimise network software parameters
Support MME, SGW, PGW, PCRF, HSS, AMF, SMF, UPF, UDM and PCF network functions
Analyse LTE attach, 5G registration, PDU session establishment, handovers and roaming procedures
Troubleshoot Diameter, GTPv2-C, GTP-U, PFCP, SIP, SCTP, DNS, HTTP/2, MAP and TCP/IP protocols
Execute preventive and corrective maintenance and conduct periodic preventive system checks
Support network changes, rollouts and integration activities while minimising regression risks
Support Linux, VMware and Kubernetes environments, including health monitoring, logging and performance management
Develop automation and operational solutions using Python, Shell scripting, Ansible, REST APIs and CI/CD practices
Improve operational processes using automation and AI
Support High Availability, Geo-Redundancy, Disaster Recovery, NFV and cloud-native deployments
Participate in Business Continuity Plan execution and disaster-recovery interventions
Escalate complex technical problems to vendors and collaborate through resolution
Engage with Major Incident Management during critical outages
Provide incident communications to stakeholders
Coordinate with vendors, departments and Vodafone operating companies to meet service levels
Support field engineers and Planning, Integration and Deployment teams
Maintain operational procedures and network documentation
Share technical knowledge and troubleshooting practices
Contribute to Incident, Problem, Change and Major Incident Management in a 24x7 environment

Requirements

What you’ll need

A BE/B.Tech in Electronics & Telecommunications
6–8 years of experience in Mobile Network Operations
Strong expertise in 4G LTE EPC and 5G Core architectures, network functions, interfaces, operational processes and solution design
Hands-on experience with MME, SGW, PGW, PCRF, HSS, AMF, SMF, UPF, UDM and PCF
Strong understanding of subscriber mobility, session management, bearer management, policy control, charging, roaming, VoLTE and VoNR
Detailed understanding of 4G/5G signalling and call flows, including attach, registration, PDU session establishment, handovers and roaming
Practical expertise in Diameter, GTPv2-C, GTP-U, PFCP, SIP, SCTP, DNS, HTTP/2, MAP and TCP/IP
Proven experience troubleshooting attach, bearer, data-session, roaming and signalling-related problems
Experience analysing packet and protocol traces using Wireshark and tcpdump
Hands-on knowledge of Linux administration, VMware and Kubernetes-based orchestration
Experience with system health monitoring, log analysis and performance management
Understanding of HA, Geo-Redundancy, Disaster Recovery, NFV and cloud-native network deployments
Experience with Incident, Problem, Change and Major Incident Management in a 24x7 telecom operations environment
Working proficiency in Python, Shell scripting, Ansible, REST APIs, automation frameworks and CI/CD pipelines
Effective analytical, problem-solving, stakeholder management, communication and documentation capabilities
Cisco CCNA and/or CCNP certification, cloud fundamentals and ITIL v4 certification are desirable
Experience working across multiple telecommunications vendors
Knowledge of scripting, command-line environments and Windows/Unix administration
Operational experience supporting complex, mission-critical IT or telecommunications systems

Benefits

Comp & perks

Opportunity to work extensively with 4G LTE EPC and 5G Core technologies in a large-scale telecommunications operations environment
Exposure to traditional and cloud-native telecom network architectures, including NFV, Kubernetes, HA and Geo-Redundancy
Hands-on involvement in technically complex incident resolution, network optimisation, rollouts and integration activities
Opportunities to apply automation, scripting and AI to improve operational processes, consistency and efficiency
Cross-functional collaboration with network Operations, Planning, Integration, Deployment, vendors and Vodafone operating companies
Opportunity to deepen expertise in business continuity, disaster recovery and mission-critical telecommunications platforms
Opportunities to further develop advanced 4G/5G Core troubleshooting and optimisation techniques
Opportunities to further develop cloud-native telecommunications operations, network automation, CI/CD, AI, major incident handling and disaster-recovery practices