Liao David

Experience

• 

  Sercomm

  Jul 2005 - Oct 2006

  R&D Engineer

  Work for Router and Switch product, embedded application.R&D Engineer: Responsibilities are coding development and Trouble shooting for Router and Switch product.Using GCC tool, C language, Java script language in Linux environment.

• 

  Asiainfo

  Jan 2007 - Aug 2008

  PSO

  Work in BOSS system. (Business & Operation Support System)Upgrade executive(Feb 2008~Aug 2008): Plan and assign and monitor the upgrade process, and take the main responsibility of upgrade in technique side.Using Shell & ORACLE procedure to meet different maintenance or marketing’s requirement, like: Auto version upgrade procedure, auto alert process of China mobile, etc….Onsite support engineer(Jan 2007~Jan 2008): Work with China Mobile customer in Guangxi province, responsibility is: Requirement clarify, Onsite technique support, Trouble shooting for BOSS product. Show less

• 

  Huawei

  Sept 2008 - now

  Work in Application and software department, BSS product.PTML(Ufone) BSS SA/customization team leader 1) Taking mainly charge of new requirement clarification and design, FRS confirmation;2) Technique solution/proposal discussion/ negotiation with Customer and 3rd party vendors.3) New commercial promotion design/testing/configuration/launch onsite technique support4) Trouble shooting for BSS product, mainly on OCS(Online charging system).5) Taking care of team member promo, study and system performance.6) Technique Support/suggest in the new project proposal 3G/CBS/Phase11/Phase 12 in Ufone.7) Onsite coding of different tool to meet marketing’s requirements. Like :Procedure of ORACLE, shell in Linux. Had lead coding project like: Ufone daily summary, network charging separated by DB script, charging verification by script.8) Charging Matrix Configuration for all NWD, IDD (International & Satellite) & IR scenario by BSS tool (OCS SMAP)9) Providing customized WebService Interfaces (SOAP) for External Systems for charging in OCS System. Show less 1) Take charge of offsite version development and delivery, Including OCS/CBS projects: Ufone Pakistan/ GG Poland/ MTN Cyprus/Telecom Mauritania/Orange Mauritius/ STC Bahrain/ STC Saudi /Canada OT/CMHK/Global Philippines…Etc.2) Solution/ specification discussion/suggestion with SA(system architecture)/onsite TTL(technique team leader), find out the best/optimize solution.3) Take care of team performance/promotion, technique article output. Had 5 technique articles are contributed and published in HUAWEI support website. http://support.huawei.com4) Make the study schedule of new member, and help them to be as a team.5) Hands-on & detailed configuration experience on wider range of OCS features including but not limited to Usage/Accumulation, Recharge based bonus, tariff, Location based charging, Period-end automatic bonus Loan, Bundle-resource purchase (voice, sms, mms, GPRS) Online/Offline notification, AOC, self-care (IVR, USSD, SMS, GUI/WebService)  Community charging, CUG, referral feature, Parent-Child account & others exciting features. Show less 1) Take charge of Sri Lanka Dialogue OCS product development and delivery.Version trouble shooting and onsite support.2) Service optimization and solution development. Using coding tool to support customer’s requirement, major for: CBDE(Coding tool of charging logic definition), ISCE(Coding tool of SCP logic definition), ORACLE procedure to meet customer’s configuration requirement.3) Function testing and verification. Testing tool of different service signal, service like: IDD call, CAMEL SMS, GPRS, UCB. Tools including but not limited to: Auto service, Charge verify, Soap UI(webservice), IDT(DCC message simulation tool). Show less

  • SA Team leader

    Feb 2011 - now

  • R&D customization team leader

    Aug 2009 - Feb 2011

  • R&D offsite engineer

    Sept 2008 - Aug 2009