Timo Farin

Experience

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  Saraware / Wipro Wireless Solutions

  Feb 2002 - Jun 2007

  Testing Engineer

  Functional and integration testing of Nokia Networks Base Station Controller (BSC) software.Focus in radio network features, database and parameters testing. - Telecom testing and test case automation by using TTCN - O&M testing - Planning, implementing, executing and reporting of test cases - Test Team Leader during one BSC software release - Tools: TTCN, HIT, OSItest, Nethawk

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  Wipro Technologies

  Jul 2007 - Jul 2008

  Project Engineer

  Ramp-up, launch and operate of internal mobile network known as NTN in Bangalore Nokia R&D site. Mobile network consist of Nokia Networks / NSN elements. I was subcontractor in Nokia and NSN collaborated project. After basic functionalities were up and running I started to implement requested services and features. I also troubleshooted issues that arise during the startup period. I had to manage work tasks with various partners, subcontractors, local mobile phone R&D teams and engineers from Finland, India and Singapore.NETWORK DEVICES EXPERIENCE:- Packet Core – Flexi NS DX SGSN, GGSN, Flexi ISN, DNS- Circuit Core – Rel4 MGW, Circuit Switched Data Server (CDS)- 2G GSM RAN – DX BSC3i, UltraSite BTS- 3G WCDMA RAN – IPA RNC, OMS, UltraSite BTS- UMA core – Kineto UNC, Checkpoint security GW, SUN AAA Radius server, WLAN AP's - Transmission core – Cisco 7609 router, Cisco switches, NSN AXC ATM, NSN ESA/ESB switches - Security – Checkpoint R65 SmartCenter firewall solution, Nokia IPSO products- DX220 PSTN fixed line telephone switch- Servers and systems – Asterisk, Linux, Windows, CS data dial-up serverWORK DUTIES:- Operate and configure PS, CS and RAN elements- Activate and verify of radio network and core features- Operate and maintain of network elements, SW/HW upgrades, backups- Support various R&D teams by providing requested radio network configuration and test setups- Responsible of Bangalore NTN site security Show less

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  Nokia

  Aug 2008 - Apr 2014

  Senior Engineer

  Operate and develop of Nokia internal mobile test network (NTN). Mobile network consist of Nokia Networks elements. Collaboration with external Nokia Networks HLR/MSS/IMS engineers.Radio Access of the NTN PLMN (244/07) operated according to licence granted by Finnish Communications Regulatory Authority.NETWORK DEVICES OPERATING EXPERIENCE:- Packet Core – Flexi NS DX combi SGSN, Flexi NG GGSN, Flexi ISN, DNS- Circuit Core – Rel4 MGW and MSS, HLR- GSM RAN – DX BSC3i, Flexi EDGE and Multiradio, UltraSite BTS - WCDMA RAN – IPA and mc RNC, OMS, Flexi, UltraSite nodeB- LTE RAN - Flexi FDD and TDD LTE eNode-b - EPC core – Flexi NS MME, Flexi NG SGW/PGW, HSS, DNS- Transmission core – Cisco 7600 series routers, switches, AXC ATM, RAD, ESA/ESB, CES, TDM- Tools – Wireshark, Network Protocol Analyzers Nethawk M5 and NSN Emil / Megamon, FEWS- Servers and systems – Asterisk, Kannel, Windows, Linux, FTP, Iperf- UMA core – Kineto UNC, Checkpoint security GW, SUN Radius AAA WORK DUTIES: - Similar to my Microsoft job position, check above! KEY CONTRIBUTION EXAMPLES:- VoLTE setup and support (excluding IMS core) - 3G RAN, CS and PS cores modernization - from ATM to ALL-IP based - CSFB to 3G/2G (Redirect, PS HO)- IPv4v6 dual stack PDP and EPS support - 2G, 3G and LTE RAN network planning and optimisation tasks - Rel8 architecture in packet core (S4-SGSN)- over 100k€ annual transmission cost savings with CES over ATM/PSN and IP based features- VAMOS / OSC in GSM network - doubled the voice call capacity- Ramp-up of the LTE network- Developed Asterisk PBX / IVR server- Integrated TD-SCDMA RAN core to NTN (my areas MGW, SGSN, IP plan/config, iRAT config) - and hundreds of more... Show less

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  Microsoft

  Apr 2014 - Oct 2014

  Senior Engineer

  Operate and develop internal mobile test network. Mobile network consist of Nokia Networks elements. Collaboration with external Nokia Networks HLR/MSS/IMS engineers.NETWORK DEVICES OPERATING EXPERIENCE:- Packet Core – Flexi NS combi DX SGSN, Flexi NG GGSN, DNS- Circuit Core – Rel4 MSC Server, IPA MGW, DX HLR- EPC core – Flexi NS MME, Flexi NG SGW/PGW, HSS, DNS- 2G GSM – DX BSC3i, Flexi and UltraSite BTS - 3G UTRAN – IPA RNC, stand alone OMS, Flexi and UltraSite nodeB - 4G E-UTRAN - Flexi FDD and TDD LTE eNodeB - Transmission core – Cisco 7600 series routers, switches, Nokia AXC ATM, CES, ESA/ESB- Tools – Wireshark, Network Protocol Analyzers Nethawk M5 and NSN Emil / Megamon- Servers and systems – Asterisk, Windows, LinuxWORK DUTIES:- Maintenance tasks – software and hardware upgrades, CD/MP software installations, technical support notes implementation, backups, broken HW replacing, HW extensions- Install and commission of PS, CS, EPC and RAN elements, configure and integrate to network- Network planning tasks - Core, RAN, Transmission- Activate and testing of radio network, core and transmission features, new integrations, parameter changes- Serve R&D teams by providing requested network configuration and test setups- Help test teams in debugging tasks by tracing and analyzing network interfaces and logs- Troubleshoot network – functional and configuration errorsKEY CONTRIBUTION EXAMPLES: - Implemented and configured SRVCC to 3G/2G test environment with tracing support - World 1st VoLTE call with Nokia X product made in Oulu NTN - CMAS and ETWS CBS test setup for GSM, WCDMA and LTE networks - 2G and 3G RANs, MGW and SGSN relocated under new ATCA MSC Server - Configured roaming environment for 2G and 3G RANs – MORAN feature used in RNC Show less

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  T-Mobile Austria

  Jan 2015 - May 2016

  Core Network Engineer

  Consultant role.Engineer in CS Voice core network planning team of TMA / T-Mobile Austria.TMA Rel4 CS core consist of Nokia network elements, Nokia MSS pool concept in use.Daily Nokia Rel4 CS Voice Core tasks * design, testing and troubleshootingSIP expertise: * design, testing and troubleshooting * Mitel/Mavenir iSBC integration to TMA Rel4 CS core * SIP functionality in Nokia MSS * new SIP interconnections via iSBC * new SIP PBXs via iSBC * TDM to SIP trunk migration tasks MVNO/MVNE projects * testing and test management * LTE extensions for MVNO/MVNE's Chief Engineer at TMA Reference Network update project * HLD/LLD documentation * managing work tasks for PS, RAN, Security and Transmission Engineers * testing and troubleshootingTools experience: * Osix * Netscout * HIT / MML (Nokia DX) * Wireshark * Huawei USN tracingKeywords: SIP, ISUP, BICC, TCAP/MAP, GTP, SS7, SCCP, Camel, SCTP, Sigtran, Diameter, BSSAP, RANAP Show less

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  Hewlett Packard Enterprise

  Jan 2017 - May 2018

  System Test Engineer

  Consultant role.Testing of HP OCCP high availability server platform and Intelligent Network based PBX Voice services running on top of it. Main contact towards the customer (Deutsche Telekom) for onsite support. • Testing hundreds of different VoIP/IMS and PSTN call scenarios - logic configuration, generating calls, CDR call report and signaling verifying on different interfaces - SIP, Diameter and T-INAP protocols• Ericsson fixed IMS core (TAS, MRF) • F5 SIP Load Balancer Functional Testing• Test case automation via DSAT and Simulap tools• Testing of alarms and counters• Testing of GUI and LDAP database inter working• Redundancy, HA and system tests• Review, update and design of test cases• Report test results and faults to the HP ALM Quality Center platform(keywords: DTAG, IMS, CVS, CVS Helper, Aftd, UDR, OpenLDAP, PostgreSQL, Rf, ISC, S-CSCF, TAS, MRF, SSP, ENUM, PABX) Show less

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  Navigil

  Sept 2019 - Oct 2020

  Network Engineer

  Navigil manufactures wellness wristwatches for senior people and the whole ecosystem around it.My duties were clarification, research, design, testing and support tasks with the following network technologies- VoIP- SIP- LTE Cat-M1 / LTE-M / eMTC / M2M - VoLTE- VPN- AWS - roamingOne of the most important tasks were the voice connectivity architecture design for the new LTE-M based product

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  Nokia

  Oct 2020 - Jan 2024

  Senior Test Engineer, Field Verification

  Testing of radio networks in the field- 4G LTE- 5G NR - EN-DC- SA / NSA deployments- Performance, stability, KPI, drive test, new features, regression, Tools - Nemo Outdoor and Nemo Analyze - Netact - KPI reporter - Qualcomm UE tracing QxDM and configuring tools- DCAP- Emil - WiresharkLTE and NR base stations maintenance and configurations tasksTroubleshootingTrace and monitorReporting

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  Looking for new opportunities

  Jan 2024 - now

  Looking for a new opportunity

  -- Ready for the next chapter in my job career ---At the moment learning Robot Framework and Python-Interested in Test and Telecom Engineer positions.Career break started with the travel around the Europe with the self made camper van, trip included a lot of biking and spending time in a nature, not to forget food and culture. The trip was very refreshing for the body and mind.