Karuna D. Kadam
Senior Telecom Support
Navi Mumbai
Summary
Telecom support engineer resolving production issues across mediation, recharge, and billing workflows. Handles L3 application support, CDR validation, and cross-team escalation to restore services and protect revenue flow. Supports OpenShift release testing, deployment checks, and RCA delivery across telecom platforms.
Overview
1
1
Language
11
11
years of professional experience
Work History
JIO PLATFORMS LIMITED
06.2021 - Current
- Administer and patch OpenShift clusters, managing namespaces, RBAC, quotas, PVCs, ingress controllers, load balancers, and network policies.
- Support Estel and IoT systems on Kubernetes, handling configuration, cluster planning, upgrades, and monitoring for production stability.
- Investigate critical recharge issues, provide detailed RCA, and achieve recharge success rate of 95% in 15 minutes for urgent business incidents.
- Plan storage and capacity by partitioning large database tables, defining purging policies, and supporting backup and dormant-data churn controls.
- Monitor alerts with Prometheus and Grafana, resolve application and system incidents, and configure new alarms for OS and application components.
- Coordinate shared releases with TIBCO, POS, SAPCC, SAPCI, and Self-care teams, using Git, Postman, and JMeter for E2E and replica testing.
- Prepare daily, weekly, and monthly reports for stakeholders, and escalate production defects through HPSM and Rational for fix validation and deployment.
STERLITE TECHNOLOGIES LIMITED
04.2019 - 06.2021
- Implemented IPLMS Crestel application support across CDR identification, collection, parsing, and distribution workflows for telecom clients.
- Resolved client-raised issues and requirements through Jira, coordinating requests, new configurations, and monthly subscriber and volume reporting.
- Configured collection, processing, parsing, and IPlog parsing services on Linux and GUI platforms, including Natlog Binary and offline services.
- Upgraded and migrated applications from the existing system to Docker and Intelleza, optimizing cluster and containerized deployments.
- Investigated database and backend issues from Linux, performed root cause analysis within SLA, and maintained zero data loss thresholds.
- Led backlog clearance for Vodafone with a team of 20 members, while handling client communication, CR and MOP raising, and issue follow-up.
RELIANCE JIO INFOCOMM LIMITED
02.2016 - 12.2018
- Reprocessed 10-20 failed CDRs weekly to prevent revenue loss and restore billing flow.
- Resolved 5-10 CDR processing incidents per day across mediation, billing, and downstream interfaces.
- Implemented Digital Route MediationZone solutions for PGW, SMSC, and MGCF data collection and output mapping.
- Configured mediation workflows for Billing, Interconnect, Fraud Control, Revenue Assurance, MNP, and 4G services.
- Coordinated migration of services from pre-production to production and validated CDRs in replica environments.
- Analyzed failed CDRs, escalated network and switch issues, and partnered with engineering teams on corrective fixes.
- Prepared MOPs, coordinated production changes, and supported daily operations for online charging and client queries.
Education
Bachelor of Engineering - undefined
RAIT, Nerul
Nerul01-2015
Diploma - undefined
Agnel Polytechnic, Vashi
Vashi01-2012
SSC - undefined
St. Xavier's High School, Nerul
Nerul01-2008
Skills
Kubernetes
Openshift
Postman
JMeter
Linux
Prometheus
Unix/Linux shell scripting
Production support
Release management
Root cause analysis
Capacity monitoring
OpenShift administration
Microservices support
Telecom billing support
CDR reconciliation
Service reliability monitoring
Problem management
Service level management
Change control
Disaster recovery planning
Service transition planning
Cloud operations monitoring
Timeline
JIO PLATFORMS LIMITED
06.2021 - Current
STERLITE TECHNOLOGIES LIMITED
04.2019 - 06.2021
RELIANCE JIO INFOCOMM LIMITED
02.2016 - 12.2018
SSC - undefined
St. Xavier's High School, Nerul
Diploma - undefined
Agnel Polytechnic, Vashi
Bachelor of Engineering - undefined
RAIT, Nerul
INTERNSHIP
- Completed 6 months internship at L&T, Mahape from June-2010 till Nov-2010.
- Completed 6 months internship at Godrej and Boyce from Dec-2011 to May-2012
DECLARATION
I hereby solemnly declare that the above details furnished by me are true to my Knowledge and Belief.