Gagik Petrosyan
Network Operation Center senior engineer at Inyo Networks Inc- Claim this Profile
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Armenian -
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Arabic -
Topline Score
Bio
Credentials
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CCNA, Ericsson SPO, IPTNMS, SO-EM
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Experience
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Praxis Associates, Inc.
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Telecommunications
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1 - 100 Employee
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Network Operation Center senior engineer
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Sep 2013 - Present
Main responsibilities: Full network operation, maintenance & support of all network, nodes and customer services, included but not limited: design, implementation, configuration, integration, testing of all network devises and services. New HW/SW products & services in customer network, alarm, event and performance monitoring and report, tier 1 & tier 2 support of life network, customer & vendor negotiation, troubleshooting, emergency & escalation handling, MOP, OPI, n/w planning &design… Show more Main responsibilities: Full network operation, maintenance & support of all network, nodes and customer services, included but not limited: design, implementation, configuration, integration, testing of all network devises and services. New HW/SW products & services in customer network, alarm, event and performance monitoring and report, tier 1 & tier 2 support of life network, customer & vendor negotiation, troubleshooting, emergency & escalation handling, MOP, OPI, n/w planning &design document preparation & presentation, implementation, follow up, test, acceptance & report to the management. Technical Activities: Design & implementation, startup & testing, script preparation and integration, troubleshooting & escalation; Ericsson & Cisco aggregation routers; Ericsson, Calix & Tellabs OTN multiplexers; Juniper routers, firewall and VPN; Ericsson, Catalyst, Calix, Telco Ethernet multiplexers and multilayer switches; DPS telecom remote monitoring and control devices, Microsemi time providers; Ericsson, Calix, Telco, Cisco network control and data servers; . Customers : California Broadband Cooperative, Praxis Associate, Digital 395 Show less Main responsibilities: Full network operation, maintenance & support of all network, nodes and customer services, included but not limited: design, implementation, configuration, integration, testing of all network devises and services. New HW/SW products & services in customer network, alarm, event and performance monitoring and report, tier 1 & tier 2 support of life network, customer & vendor negotiation, troubleshooting, emergency & escalation handling, MOP, OPI, n/w planning &design… Show more Main responsibilities: Full network operation, maintenance & support of all network, nodes and customer services, included but not limited: design, implementation, configuration, integration, testing of all network devises and services. New HW/SW products & services in customer network, alarm, event and performance monitoring and report, tier 1 & tier 2 support of life network, customer & vendor negotiation, troubleshooting, emergency & escalation handling, MOP, OPI, n/w planning &design document preparation & presentation, implementation, follow up, test, acceptance & report to the management. Technical Activities: Design & implementation, startup & testing, script preparation and integration, troubleshooting & escalation; Ericsson & Cisco aggregation routers; Ericsson, Calix & Tellabs OTN multiplexers; Juniper routers, firewall and VPN; Ericsson, Catalyst, Calix, Telco Ethernet multiplexers and multilayer switches; DPS telecom remote monitoring and control devices, Microsemi time providers; Ericsson, Calix, Telco, Cisco network control and data servers; . Customers : California Broadband Cooperative, Praxis Associate, Digital 395 Show less
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Ericsson
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Sweden
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Telecommunications
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700 & Above Employee
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AT&T LAB Support Senior Engineer
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Nov 2012 - Sep 2013
Main responsibilities: Full support & maintenance of customer n/w laboratory Ericsson Core & Access nodes, included but not limited: integration, implementation & testing of all new HW/SW products & services in customer network, tier 1 & tier 2 supports to customer life network, customer negotiation of any implementation: MOP, OPI, n/w planning &design document preparation & presentation, implementation, follow up, test, acceptance & report to the management. Technical… Show more Main responsibilities: Full support & maintenance of customer n/w laboratory Ericsson Core & Access nodes, included but not limited: integration, implementation & testing of all new HW/SW products & services in customer network, tier 1 & tier 2 supports to customer life network, customer negotiation of any implementation: MOP, OPI, n/w planning &design document preparation & presentation, implementation, follow up, test, acceptance & report to the management. Technical Activities: Start up & testing, DT/Moshell script preparation and loading, Troubleshooting with main Ericsson knowledge base environment: Primus, Ericol, GKO & others, PLEX/Protocol Analyzer/GCP traces & SCCP/ISUP/MGW/Wireshark decoders, debugging, health checks, core/access node software OSS & manual update/upgrade in 2G/3G/LTE network, configuration audit, traffic and signaling recalculations, reconfigurations, provisioning, HW Expansion, Integration, radio cell re-homing, circuit & packet data traffic node integration & configuration of SGSN & radio controllers (2G, 3G & LTE) with other vendor routers & switches (Cisco, Catalyst, Nexus, Juniper & Extreme), O&M consultation, KPI and Statistics monitoring and supervision, presentation & report to customer management, changeover/handover/migration, provision of an expertise and interface functions toward customer. Customers : AT&T Show less Main responsibilities: Full support & maintenance of customer n/w laboratory Ericsson Core & Access nodes, included but not limited: integration, implementation & testing of all new HW/SW products & services in customer network, tier 1 & tier 2 supports to customer life network, customer negotiation of any implementation: MOP, OPI, n/w planning &design document preparation & presentation, implementation, follow up, test, acceptance & report to the management. Technical… Show more Main responsibilities: Full support & maintenance of customer n/w laboratory Ericsson Core & Access nodes, included but not limited: integration, implementation & testing of all new HW/SW products & services in customer network, tier 1 & tier 2 supports to customer life network, customer negotiation of any implementation: MOP, OPI, n/w planning &design document preparation & presentation, implementation, follow up, test, acceptance & report to the management. Technical Activities: Start up & testing, DT/Moshell script preparation and loading, Troubleshooting with main Ericsson knowledge base environment: Primus, Ericol, GKO & others, PLEX/Protocol Analyzer/GCP traces & SCCP/ISUP/MGW/Wireshark decoders, debugging, health checks, core/access node software OSS & manual update/upgrade in 2G/3G/LTE network, configuration audit, traffic and signaling recalculations, reconfigurations, provisioning, HW Expansion, Integration, radio cell re-homing, circuit & packet data traffic node integration & configuration of SGSN & radio controllers (2G, 3G & LTE) with other vendor routers & switches (Cisco, Catalyst, Nexus, Juniper & Extreme), O&M consultation, KPI and Statistics monitoring and supervision, presentation & report to customer management, changeover/handover/migration, provision of an expertise and interface functions toward customer. Customers : AT&T Show less
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AT&T
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United States
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Telecommunications
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700 & Above Employee
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Support Engineer
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2012 - 2013
Main responsibilities: Full support & maintenance of customer n/w laboratory Ericsson Core & Access nodes, included but not limited: integration, implementation & testing of all new HW/SW products & services in customer network, tier 1 & tier 2 supports to customer life network, customer negotiation of any implementation: MOP, OPI, n/w planning &design document preparation & presentation, implementation, follow up, test, acceptance & report to the management. Technical… Show more Main responsibilities: Full support & maintenance of customer n/w laboratory Ericsson Core & Access nodes, included but not limited: integration, implementation & testing of all new HW/SW products & services in customer network, tier 1 & tier 2 supports to customer life network, customer negotiation of any implementation: MOP, OPI, n/w planning &design document preparation & presentation, implementation, follow up, test, acceptance & report to the management. Technical Activities: Start up & testing, DT/Moshell script preparation and loading, Troubleshooting with main Ericsson knowledge base environment: Primus, Ericol, GKO & others, PLEX/Protocol Analyzer/GCP traces & SCCP/ISUP/MGW/Wireshark decoders, debugging, health checks, core/access node software OSS & manual update/upgrade in 2G/3G/LTE network, configuration audit, traffic and signaling recalculations, reconfigurations, provisioning, HW Expansion, Integration, radio cell re-homing, circuit & packet data traffic node integration & configuration of SGSN & radio controllers (2G, 3G & LTE) with other vendor routers & switches (Cisco, Catalyst, Nexus, Juniper & Extreme), O&M consultation, KPI and Statistics monitoring and supervision, presentation & report to customer management, changeover/handover/migration, provision of an expertise and interface functions toward customer. Customers : AT&T Show less Main responsibilities: Full support & maintenance of customer n/w laboratory Ericsson Core & Access nodes, included but not limited: integration, implementation & testing of all new HW/SW products & services in customer network, tier 1 & tier 2 supports to customer life network, customer negotiation of any implementation: MOP, OPI, n/w planning &design document preparation & presentation, implementation, follow up, test, acceptance & report to the management. Technical… Show more Main responsibilities: Full support & maintenance of customer n/w laboratory Ericsson Core & Access nodes, included but not limited: integration, implementation & testing of all new HW/SW products & services in customer network, tier 1 & tier 2 supports to customer life network, customer negotiation of any implementation: MOP, OPI, n/w planning &design document preparation & presentation, implementation, follow up, test, acceptance & report to the management. Technical Activities: Start up & testing, DT/Moshell script preparation and loading, Troubleshooting with main Ericsson knowledge base environment: Primus, Ericol, GKO & others, PLEX/Protocol Analyzer/GCP traces & SCCP/ISUP/MGW/Wireshark decoders, debugging, health checks, core/access node software OSS & manual update/upgrade in 2G/3G/LTE network, configuration audit, traffic and signaling recalculations, reconfigurations, provisioning, HW Expansion, Integration, radio cell re-homing, circuit & packet data traffic node integration & configuration of SGSN & radio controllers (2G, 3G & LTE) with other vendor routers & switches (Cisco, Catalyst, Nexus, Juniper & Extreme), O&M consultation, KPI and Statistics monitoring and supervision, presentation & report to customer management, changeover/handover/migration, provision of an expertise and interface functions toward customer. Customers : AT&T Show less
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Ericsson
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Sweden
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Telecommunications
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700 & Above Employee
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Customer Network Support team Leader
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Aug 2010 - Oct 2012
Customer Network Support: Team Lead, Proactive Support, Add on Sale (SW & HW products, Services) Coordination of day to day operational activities of assigned CNS Team. End-to-end quality CSR handling, proactive support activities, emergency handling, knowledge transfer, and to maintain good knowledge of the customers’ operational environment Main Activities: • Maintain customer intimacy and secure healthy business relations with the customer, gather business intelligence that can… Show more Customer Network Support: Team Lead, Proactive Support, Add on Sale (SW & HW products, Services) Coordination of day to day operational activities of assigned CNS Team. End-to-end quality CSR handling, proactive support activities, emergency handling, knowledge transfer, and to maintain good knowledge of the customers’ operational environment Main Activities: • Maintain customer intimacy and secure healthy business relations with the customer, gather business intelligence that can generate additional sales • Manage the implementation of SUM audits and leveling , and other proactive support deliverables and report findings back to Customer, KAM, SDM • Review delivery performance together with the SDM and suggest improvement activities when SLA is not fulfilled
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Customer Network Support Senior Engineer
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Dec 2009 - Sep 2010
Ericsson Local Support activities: CSR handling (SMS, Primus, analysis etc), SW update/upgrade via OSS, Trouble Shooting with PLEX/Protocol Analyzer/GCP traces & SCCP/ISUP/MGW decoders, Health Checks, Configuration AUDIT, Traffic and Signaling Recalculations, Reconfigurations, HW Expansion, Integration, BSC/RNC/CELL re/homing, MSC in Pool Implementation, MSC_S full start up/integration, M-MGW full start up, testing, configuration, trouble shooting, script preparation, loading with Moshell, O&M… Show more Ericsson Local Support activities: CSR handling (SMS, Primus, analysis etc), SW update/upgrade via OSS, Trouble Shooting with PLEX/Protocol Analyzer/GCP traces & SCCP/ISUP/MGW decoders, Health Checks, Configuration AUDIT, Traffic and Signaling Recalculations, Reconfigurations, HW Expansion, Integration, BSC/RNC/CELL re/homing, MSC in Pool Implementation, MSC_S full start up/integration, M-MGW full start up, testing, configuration, trouble shooting, script preparation, loading with Moshell, O&M consultation, KPI and Statistics monitoring and supervision, changeover/handover/migration, MSC/MSS/HLR/FNR/STP/TSC/MGW full Audit and Optimization, Performance monitoring, provision of an expertise and interface functions toward customer, On Job Training of Ericsson and Customer engineers
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Managed Service Senior Engineer
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Jul 2009 - Nov 2009
Ericsson Managed Service Department. DT preparation, correction, checking, loading, configuration/integration and system demonstration, HW expansion, HW & SW troubleshooting, Solution/Configuration/Performance AUDIT, BSC/RNC/CELL re/homing, MSC in Pool, Dual Stack Implementation, provision of expertise and interface functions toward customer, O&M consultation, KPI and Statistics monitoring and supervision, changeover/handover/migration,.
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Ericsson
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Sweden
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Telecommunications
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700 & Above Employee
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O&M & NSS MSS/MGW Senior Engineer
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Sep 2008 - May 2009
Network Element testing, integration and system demonstration, SW and exchange data handling, loading of initial SW, HW & SW troubleshooting, handling acceptance procedure, provide an expertise and interface functions toward customer, training of employees, O&M consultation, KPI and Statistic monitoring and supervision. RNC, MSC-S, M-MGW, integration, tests, O&M (DT, CV, CCR & Mo Scripts preparation, loading, acceptance Tests, expansion & upgrade, support, trouble shooting, KPI… Show more Network Element testing, integration and system demonstration, SW and exchange data handling, loading of initial SW, HW & SW troubleshooting, handling acceptance procedure, provide an expertise and interface functions toward customer, training of employees, O&M consultation, KPI and Statistic monitoring and supervision. RNC, MSC-S, M-MGW, integration, tests, O&M (DT, CV, CCR & Mo Scripts preparation, loading, acceptance Tests, expansion & upgrade, support, trouble shooting, KPI, Stats) (APZ21240, APZ21250, APG40, R12.1, R4, GMPV3, BC 3002, BC3003, BC3024) (Integration & testing, Upgrades, O&M, KPI, Stats) (Integration & networking with IGWP & RNC, KPI&Statistics) (GSM/WCDMA/UMTS dimensioning, planning, calculation)
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MSS/MGW ELS/NSG Senior Engineer
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Dec 2007 - Sep 2008
Ericsson Local Support main responsibilities: CSR handling (SMS, Primus, analysis etc), Upgrades and Updates, Trouble Shooting, trace implementation, health checks, audit reports, traffic and signaling recalculations, reconfigurations, expansion, integration, node monitoring, provision of an expertise and interface functions toward customer, on job training to employees MSC Server & M-MGW, HLR , STP Start up, integration, tests, acceptance, swap & re-homing Upgrades, expansion… Show more Ericsson Local Support main responsibilities: CSR handling (SMS, Primus, analysis etc), Upgrades and Updates, Trouble Shooting, trace implementation, health checks, audit reports, traffic and signaling recalculations, reconfigurations, expansion, integration, node monitoring, provision of an expertise and interface functions toward customer, on job training to employees MSC Server & M-MGW, HLR , STP Start up, integration, tests, acceptance, swap & re-homing Upgrades, expansion, trouble shooting (APZ21240, APZ21250, APG40, R12.1, R11, R4, GMPV3, BC 3002, BC3003, BC3024) MSC IN POOL- end to end project
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OMS&NSS MSS/MGW Senor Engineer
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Aug 2007 - Dec 2007
Network Element testing, integration and system demonstration, SW and exchange data handling, loading of initial SW, HW & SW troubleshooting, handling acceptance procedure, provide an expertise and interface functions toward customer, provide an on job training to employees MSC Server & M-MGW, integration, tests (DT, CV, CCR & Mo Scripts preparation, loading, acceptance tests, expansion & upgrade, support, trouble shooting) (APZ21240, APZ21250, APG40, R12.1, R4, GMPV3, BC 3002… Show more Network Element testing, integration and system demonstration, SW and exchange data handling, loading of initial SW, HW & SW troubleshooting, handling acceptance procedure, provide an expertise and interface functions toward customer, provide an on job training to employees MSC Server & M-MGW, integration, tests (DT, CV, CCR & Mo Scripts preparation, loading, acceptance tests, expansion & upgrade, support, trouble shooting) (APZ21240, APZ21250, APG40, R12.1, R4, GMPV3, BC 3002, BC3003, BC3024) (Customer negotiation, Integration & testing, Upgrades) BSC & HLR integration & migration, MVV tests, Solution preparation, test integration, life migration, Acceptance tests, Support, Trouble shooting)
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MSS/MGW Senior Engineer
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Jan 2007 - Aug 2007
Network Element start up, testing, integration and system demonstration, SW and exchange data handling, DT & CCR preparation, loading of initial SW, HW & SW troubleshooting, handling acceptance procedure, provide an expertise and interface functions toward customer MSC Server & M-MGW start up, integration, tests (DT, CV, CCR & Mo Scr preparation, loading, acceptance, exp & upgrade) (APZ21240, APZ21250, APG40, R12.1, M-MGW R3, R4, GMPV2, GMPV3, BC205, BC206, BC215, BC216, BC 3002… Show more Network Element start up, testing, integration and system demonstration, SW and exchange data handling, DT & CCR preparation, loading of initial SW, HW & SW troubleshooting, handling acceptance procedure, provide an expertise and interface functions toward customer MSC Server & M-MGW start up, integration, tests (DT, CV, CCR & Mo Scr preparation, loading, acceptance, exp & upgrade) (APZ21240, APZ21250, APG40, R12.1, M-MGW R3, R4, GMPV2, GMPV3, BC205, BC206, BC215, BC216, BC 3002, BC3003, BC3024) (Customer negotiation, Integration & testing, Upgrades) BSC & HLR integration & migration, MVV tests, Solution preparation, test integration, life migration, Acceptance tests) RNC & MGW integration, 3G trial implementation MSC IN POOL Show less Network Element start up, testing, integration and system demonstration, SW and exchange data handling, DT & CCR preparation, loading of initial SW, HW & SW troubleshooting, handling acceptance procedure, provide an expertise and interface functions toward customer MSC Server & M-MGW start up, integration, tests (DT, CV, CCR & Mo Scr preparation, loading, acceptance, exp & upgrade) (APZ21240, APZ21250, APG40, R12.1, M-MGW R3, R4, GMPV2, GMPV3, BC205, BC206, BC215, BC216, BC 3002… Show more Network Element start up, testing, integration and system demonstration, SW and exchange data handling, DT & CCR preparation, loading of initial SW, HW & SW troubleshooting, handling acceptance procedure, provide an expertise and interface functions toward customer MSC Server & M-MGW start up, integration, tests (DT, CV, CCR & Mo Scr preparation, loading, acceptance, exp & upgrade) (APZ21240, APZ21250, APG40, R12.1, M-MGW R3, R4, GMPV2, GMPV3, BC205, BC206, BC215, BC216, BC 3002, BC3003, BC3024) (Customer negotiation, Integration & testing, Upgrades) BSC & HLR integration & migration, MVV tests, Solution preparation, test integration, life migration, Acceptance tests) RNC & MGW integration, 3G trial implementation MSC IN POOL Show less
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Ericsson
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Sweden
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Telecommunications
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700 & Above Employee
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Ericsson Experienced Principal Engineer
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Jul 2004 - Jan 2007
Network Element start up, testing, integration and system demonstration, SW and exchange data handling, DT correction, loading of initial SW, HW & SW troubleshooting, handling acceptance procedure, provide an expertise and interface functions toward customer, DT preparation for GSM&PSTN exchanges, report progress within the assigned area of the customer project, deliver final reports. ERICSSON RUSSIA: Ericsson Training Center: Upgrade from simple EM141 transit switch to EIN3.1… Show more Network Element start up, testing, integration and system demonstration, SW and exchange data handling, DT correction, loading of initial SW, HW & SW troubleshooting, handling acceptance procedure, provide an expertise and interface functions toward customer, DT preparation for GSM&PSTN exchanges, report progress within the assigned area of the customer project, deliver final reports. ERICSSON RUSSIA: Ericsson Training Center: Upgrade from simple EM141 transit switch to EIN3.1 Included: customer negotiation, printout collection, DT & NCD preparation, system upgrade, start up, testing, integration, changeover. MTT, KOMET: AXE810/10 gateways, 1 AXD301 gateway, PSTN exchanges (DT preparation, start up, integration, testing) MTS, MEGAFON, BEELINE: MSC/HLR, BSC/TRC AXE810/10 (APZ21240, APG40) (DT preparation, start up, integration, testing) ASVT, SVYAZINVEST, BASHINSVYAZ: AXE810/10 Enabler PSTN tandem (DT preparation) ERICSSON SOUTH AFRICA Burkina Faso - CELTEL: MSC Server & M-MGW integration test (CP- APZ21230, IOG20C, APG40, AXD301) (DT & CV editing, DT & CV loading, acceptance tests) (APZ21250, APG40, R12.1, M-MGW 4.0.2) (Customer negotiation, Integration & testing, Upgrades, BSC & HLR integration & migration, MVV tests, changeover, acceptance) ERICSSON EGYPT Egypt - Telecom Egypt, Kazakhstan - Transtelecom: ENABLER (EM141) upgrades EIN1.0 domain upgrades to EIN3.1 RSS & EAR migrations (Migration DT preparation, changeover, acceptance) CSR shooting for ENABLER & EIN1.0 domains EIN 3.1 Solutions (APZ21233, APG40, AXD301) (Negotiation, DT preparation, start up & testing, Integration, upgrades, changeover, acceptance) AXD301 ML& MGW (ATM&IP based) start up & testing NCD preparation, upgrade & update, CSR & trouble shooting ERICSSON UKRAINE Ukraine - OPTIMA: AXE810 Enabler (APG40) PSTN tandem (Negotiation, changeover & acceptance document Preparation, DT preparation, start up, integration, Changeover, acceptance)
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Senior PSTN Engineer, Commissioning Supervisor
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Mar 2000 - Jul 2004
Supervising of transportation works, Start up, Testing, Upgrading & Updating, Trouble Shooting, Acceptance. Training of new employees Projects: Greece - OTE: IAS-F, IAS-W (start up, testing) X-mate OMS (Sun Solaris) (Start up, integration, testing, changeover) Armenia - ARMENTEL: AXE-10 tandem PSTN exchanges AXE-10 OPS/OTN, ISS, X-mate OMS (Sun Solaris) (Start up, integration, testing, changeover, migration)
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The Ministry of Industry and Trade
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Yerevan, Armenia
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Secretary of Collegiate, Ministry 1st Assistant
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Oct 1999 - Mar 2000
Coordination of all Work Stuff paper work Coordination of all Work Stuff paper work
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The Ministry of Industry and Trade of Armenia
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Yerevan, Armenia
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Foreign Economic Trade expert, Department of Foreign Trade
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May 1999 - Sep 1999
Foreign Economic relation Foreign Trade Regulation Legislation Foreign Economic relation Foreign Trade Regulation Legislation
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Government Work Stuff Of Armenia
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Yrevan, Armenia
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Specialist
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May 1998 - Apr 1999
"The Official Bulletin" CJSC Publishing the Legislation "The Official Bulletin" CJSC Publishing the Legislation
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Education
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1998 - 2000
National Academy of Science of Armenia, Institute of Physical Research
Pre PHD, Physics -
1997 - 1999
Graduate School of Public Administration
Master of Public Administration, Politics, Economics, Legislation, Management, Public Administration -
1996 - 1998
Graduate School of State Engineering University
Master of Electronics, Electronics, Microelectronics -
1992 - 1996
State Engineering University of Armenia
Bachelor of Engineering and Management, Technical Cybernetics & Foreign Economic Relations
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