Sr. Tech Eng (L2-Operations)

Job Description

Designation: Senior Technical Engineer (L2-Operations) (Permanent Role)Domain Expertise:Excellent understanding of GSM (Packet Core, MSC, HLR, STP, SS7 signalling, GGSN) and VAS Services (IN, SMS, USSD, MMS & GPRS)Experienced in IP networking, routing, connectivity, etc.Minimum 2-year Work experience, preferable in an O&M VAS & IOT environment with a mobile operatorTechnical know-how on MAP, INAP, CAMEL, GPRS, TCAP, SCCP, ISUP, SIGTRAN protocol stacksDiameter call flow for AAAWorking knowledge of CDRsVOIP/SIP protocolTechnical Skills:Set 1: UNIX (Sun Solaris/Linux), Shell/Perl/python ScriptingSet 2: Tools like Wireshark, postman, ticketing tool, NagiosSet 3: Working knowledge on API Workflow & TestingSet 4: SQL / Database Configuration & MaintenanceSet 5: Physical Server / VM basic Installation & Management using ILO/AWS/RDS/IDREG or equivalentSet 6: Knowledge of VLAN, IP, SFTPSet 7: Core network elements like HLR/HSS/SMSC/STP/MSC/SGSN/GGSN/Packet SwitchingExperience:4+ years relevant experience with minimum 2 to 3 years in the wireless Telecom DomainStrong analytical troubleshooting work experiencePreferred:Knowledge or work experience in technologies related to Connected Car /IOT solutionKnowledge or work experience in technologies related to Load Balancer / High-Availability / Geo-Redundancy SolutionsKnowledge or work experience in technologies related to APIs interworking / error codesKnowledge or work experience in using tools / third party software such as Swagger, Wireshark, Hadoop, Kafka, Hazelcast, Security Certificates, WGET, POSTMAN, SOAP, TCP dumpKnowledge or work experience in troubleshooting and analysis on SS7/GTP/GRX/Diameter/SIGTRANSoft Skills:Willing to work in Night shiftsSelf-learner & Team PlayerExcellent Communication SkillsExcellent Spoken and Written EnglishProcess OrientedGood in Process/Operation/Project documentation such as SOPs/MOPsGood in Daily Operations/Updates/Follow-UpsOpen to TravelKey Responsibilities:Responsible for handling Level 1 and Level 2 analysis, trouble shooting and resolution.Responsible for handling product queries.Handling all the communication related to the assigned customer accounts.Coordinating the issues internally and with outsourced partners, service providers (ISPs, ILD/NLD carriers) and onsite teams.Responsible for maintaining and making available up-to-date contact information, supported product lists, technical information regarding products, troubleshooting information, all known fault handling information and other information of general use.To interface with customer for all CSRs internal and external.Emergency CSR handling on a 24/7 service level, with on call support.Implement workarounds to limit customer downtime. Subsequently follow-up and ensure implementation of permanent solution.Participate or organize Technical Call Bridge to address technical diagnostics & collaboration with customers and partners.Maintain all the connectivity and account details from a support perspective to provide efficient support.Ensuring SLAs to better level than customer contract.To execute tasks allocated by the reporting manager in a timely mannerCoordination with customer/partner SPOC for all technical aspectsCoordination with customer/partner SPOC for Hardware / VM / Software Installation / Configuration including OS install, RAID configuration, high availability module, IP allocationMultitask and handle various tasks based on priorityOn-site assistance to Network Specialist for connectivity (e.g. MPLS) related technical and logistics aspectsCoordination with customer/partner SPOC for all on-site tasks including structured cabling, labelling, rack mounting, equipment powering etc.Coordination with customer L1 / NOC teams including basic and detail level filtration & troubleshootingCoordination with L3 teamIncident management, reporting, RCA preparation

Keyskills :
knowledge discoveryhigh availabilitycommunication skillsstructured cablingss7 signallingcall flowsoftware installationsqlip networkingpilot projectsservice providersmessaging platformsnetwork elementscore networkprotocol stacksservice le