Manager, Data Core Engineer

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 protocols. Proficient in troubleshooting complex network incidents and optimizing network performance in a 24x7 operational environment.

Highest-signal resume keywords

4G LTE EPC And 5G Core ExpertiseTroubleshooting 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 KubernetesPython, Shell Scripting, Ansible And CI/CD Practices

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Applicant Tracking System Keywords

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Hard Skills

4G LTE EPC5G CoreNetwork FunctionsSignalling AnalysisTroubleshootingPacket AnalysisProtocol AnalysisAutomationPerformance ManagementDisaster Recovery

Soft Skills

Analytical SkillsProblem-SolvingStakeholder ManagementCommunicationDocumentation

Tools & Technologies

WiresharkTcpdumpLinuxVMwareKubernetesAnsibleREST APIsCI/CDAutomation FrameworksCloud-Native Deployments

Certifications & Qualifications

Cisco CCNACisco CCNPITIL v4

Industry Keywords

Mobile Network OperationsTelecommunicationsIncident ManagementProblem ManagementChange Management24x7 OperationsSubscriber MobilitySession ManagementBearer ManagementPolicy Control

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 other 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 and 5G signalling and procedures, including attach, registration, PDU session establishment, handovers and roaming
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 parameter configuration, controlled network changes, rollouts and integration activities
Evaluate network changes to maintain quality of service and minimise regression risks
Support Linux, VMware and Kubernetes-based environments, including health monitoring, logging and performance management
Develop and adapt automation 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 network deployments
Participate in Business Continuity Plan execution and identify workarounds during critical interventions and disaster recovery
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 during complex interventions
Maintain operational procedures and network documentation
Share technical knowledge and troubleshooting practices
Contribute to Incident, Problem, Change and Major Incident Management processes in a 24x7 operational 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, including 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 procedures
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 desirable
Knowledge of cloud fundamentals desirable
ITIL v4 certification desirable
Experience working across multiple telecommunications vendors desirable
Knowledge of scripting, command-line environments and Windows/Unix administration desirable
Operational experience supporting complex, mission-critical IT or telecommunications systems desirable
Ability to work in a 24x7 telecom environment, including weekend, night and overtime working as required

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 develop expertise in LTE and 5G signalling flows, Diameter, GTP, PFCP, SIP, SCTP and HTTP/2
Opportunities to develop cloud-native telecommunications operations involving Kubernetes, NFV and virtualised network environments
Opportunities to develop network automation using Python, Shell scripting, Ansible and REST APIs
Opportunities to develop CI/CD, automation and AI skills within network operations
Opportunities to develop major incident handling, business continuity and disaster-recovery practices
Inclusive workplace and equal opportunity commitment