CHENNAI · FULLTIME
Lead Engineer / Technical Lead
Prodapt Solutions
Chennai · onsite · Posted 22d ago
Sourced from
Undisclosed4–9 yrsfulltimeChennai
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Section · 01
About this role
Overview
Key responsibilities
Responsibilities
Key responsibilities
Requirements
Required skills experience
Preferred qualifications
Key responsibilities
- Act as the highest level of technical escalation (L3) for incidents raised against the Nokia FlowOne platform and its integrations.
- Perform root cause analysis on complex production issues provisioning failures, orchestration errors, and service activation defects across FlowOne modules.
- Troubleshoot cross-system integration issues between FlowOne and upstream/downstream network elements: HSS/HLR, PCRF, OCS/billing platforms (Matrixx, Aria), and SIM/IMSI provisioning systems.
- Diagnose resource allocation failures between FlowOne and Nokia Unified Inventory (UIV) e.g. incorrect or unavailable port, bandwidth, or equipment records blocking service activation.
- Analyze Diameter protocol traces (S6a, Gx, Gy/Ro, Cx/Sh) to isolate provisioning sync issues, unknown-subscriber errors, and related result-code failures.
- Own and drive resolution of P1/P2 incidents impacting customer-facing services such as IMSI provisioning, activation, and data/voice service delivery.
- Coordinate with Nokia vendor support and engineering teams on platform-level bugs, patches, and escalations.
- Review orchestration workflows, catalog configurations, and activation rules within FlowOne to identify systemic defects.
- Build and maintain runbooks, a known-error database (KEDB), and troubleshooting guides for L1/L2 teams.
- Monitor system health via Grafana/Elasticsearch dashboards to proactively identify error spikes and provisioning failures before they escalate.
- Participate in a rotational on-call schedule to support 24x7 production operations.
- Support problem management identify recurring issues and drive permanent fixes with engineering and vendor teams.
- Review and validate changes and patches prior to production deployment as part of the change management process.
Responsibilities
Key responsibilities
- Act as the highest level of technical escalation (L3) for incidents raised against the Nokia FlowOne platform and its integrations.
- Perform root cause analysis on complex production issues provisioning failures, orchestration errors, and service activation defects across FlowOne modules.
- Troubleshoot cross-system integration issues between FlowOne and upstream/downstream network elements: HSS/HLR, PCRF, OCS/billing platforms (Matrixx, Aria), and SIM/IMSI provisioning systems.
- Diagnose resource allocation failures between FlowOne and Nokia Unified Inventory (UIV) e.g. incorrect or unavailable port, bandwidth, or equipment records blocking service activation.
- Analyze Diameter protocol traces (S6a, Gx, Gy/Ro, Cx/Sh) to isolate provisioning sync issues, unknown-subscriber errors, and related result-code failures.
- Own and drive resolution of P1/P2 incidents impacting customer-facing services such as IMSI provisioning, activation, and data/voice service delivery.
- Coordinate with Nokia vendor support and engineering teams on platform-level bugs, patches, and escalations.
- Review orchestration workflows, catalog configurations, and activation rules within FlowOne to identify systemic defects.
- Build and maintain runbooks, a known-error database (KEDB), and troubleshooting guides for L1/L2 teams.
- Monitor system health via Grafana/Elasticsearch dashboards to proactively identify error spikes and provisioning failures before they escalate.
- Participate in a rotational on-call schedule to support 24x7 production operations.
- Support problem management identify recurring issues and drive permanent fixes with engineering and vendor teams.
- Review and validate changes and patches prior to production deployment as part of the change management process.
Requirements
Required skills experience
- Hands-on experience with Nokia FlowOne (Design Hub, OrderHub, Service Order Management Activation, Service Catalog) is required.
- Hands-on experience with Nokia Unified Inventory (UIV) is required including resource/inventory data modeling and troubleshooting resource allocation issues.
- Strong understanding of telecom provisioning and service activation workflows, including IMSI/SIM lifecycle management.
- Working knowledge of the Diameter protocol and 3GPP interfaces (S6a, Gx, Gy/Ro, Cx/Sh) and their standard result/error codes.
- Experience troubleshooting OSS/BSS integrations across HSS/HLR, PCRF, OCS, and billing platforms such as Matrixx or Aria.
- Strong SQL and log analysis skills, with familiarity in Elasticsearch, Kibana, or Grafana for monitoring and RCA.
- Understanding of REST/SOAP APIs and XML/JSON-based integrations typical of OSS environments.
- Experience working within ITIL-based incident, problem, and change management processes.
- Strong root cause analysis, documentation, and cross-team communication skills, including direct vendor coordination.
Preferred qualifications
- Nokia FlowOne and/or Nokia Unified Inventory (UIV) certification or formal vendor training.
- Scripting experience (Python or Shell) for automating routine diagnostics.
- Exposure to core network elements such as MME, SGSN/GGSN, PGW, and HLR/HSS.
ITIL v3/v4 certification.
Sourced from naukri
Section · 02
Skills
Grafana3Gpporchestrationapislog analysiselastic searchDiagnosticsDownstreamCore NetworkAutomatingKibanaintegrationsChange ManagementItil V3HSSJSONdeploymentCommunication SkillsoperationsData Modeling
Section · Company
About Prodapt
Prodapt Solutions
IT Services & Consulting
3.0k+
employees
1999
27 years old
Chennai, Tamil Nadu
India
About
Prodapt Solutions specializes in connected technology services, supporting telecom operators and digital service providers in optimizing their networking capabilities.
Industries
IT Services & ConsultingTelecom
Employee ratings
1,231 reviews
3.5/ 5
Culture
3.4
Career growth
2.7
Work-life
3.5
Employees rate it well for
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