David Garay
Born on May 24th, 1983. Hernandarias, Paraguay
Married
Experience
2007Present NSN Core Stream Zoetermeer, NL
Senior Core Network Engineer
Worked primarily as service engineer providing support to T-Mobile Netherlands, involved in advanced troubleshooting, planning and dimensioning.
Support for Pre-Sales (KPN M2M One-HLR, Teleena MVNE), planning and implementation of the IT HLR (Unix based systems, ex-Apertio One-NDS and NT-HLR).
Involved in project in other countries for implementation of Release 4 network elements (Bristol-UK, Feb 2009).
Day to day activities include ticket handling, commissioning, integration and testing of MGW, MSS & HLR, software upgrades and troubleshooting. Planning of new elements.
20062007 NSN Core Stream Rio de Janeiro, Br
NSS Engineer
Responsible for the commissioning, integration and acceptance of MGWs, MSS and HLR.
Provided emergency support for Claros release 4 network and Ois R 4 IP network.
Developed macros, procedures and technical seminars.
Experience with interoperability tests during TIM release 4 trial (worked with the integration of E// and Siemens BSCs to our CN and Nokias BSC to E//s CN).
Responsible for testing new features, corrections and PDCs.
20042006 NSN Access Stream Rio de Janeiro, Br.
BSS Intern
Awarded with best performance prize in recognition for the work done in making tools to automate Ois network audit.
SW upgrade of BTSs (Ultra and Metrosite) and Microwaves.
Resolution of IP related cases and features, such as BSC site connectivity and Gb over IP.
Provided support for the test of new features and corrections in BSC/BTS side.
20032004 NITNET Niteroi, Br
Technical Support
Provided technical support for internet access related issues, both for broadband and dial-up based connections, also for Windows and Linux OS.
20022004 Universidade Federal Fluminense, RJ.
Auxiliary Professor
Winner of the best science project in Physics Institute.
Two years experience.
Education
Professional Training
Senior Engineer Program Part 1 Lisbon/PO Communication, Troubleshooting Skills and leadership. Part 2 Warsaw/PL Sales and working with Virtual Teams.
IP hands on workshops (CCNP level) Zoetermeer/NL.
Release 4 networks dimensioning Munich/GE
Release 4 networks Routing, O&M, Integration Rio /Br.
BSC Integration, BSS Essentials, DXSOM, GSM System
Training, Flexihopper (Nokia Microwave Radio) - Rio /Br.
E-learnings (ATM, 3G features, 3G System and more)
Language Skills
Spanish My natural language
Guarani Second language of my country
Portuguese Fluent (2001-2007 in Brazil)
English Good written and conversation.
Dutch Basic reading, writing and conversation (Level 1 at Leiden University).
Certifications
Cisco Certified Network Professional (CCNP)
Cisco Certified Design Associate (CCDA)
Solaris 10 Advanced System Administrator (SCSA)
Rev-IP level 4 (NSN specific, max award)
Formal Education
20012006 Universidade Federal Fluminense, RJ
Telecommunications Engineer.
Summary of Skills
GSM BSS and NSS integration and troubleshooting
Networking IP protocols BGP,OSPF, MSTP, etc. Troubleshooting and design. SIP/VOIP NSN Voip Server implementation.
Programming languages Visual Basic, C, Ruby scripting.
Operating Systems Linux/Unix, Windows
Interests
Traveling. Languages. Literature and computers.
