SathishKumar Durairaj

**** ******** **

Contact No: +1 - 408-***-****

Baton Rouge, LA - 70816 E-

mail: abhq7p@r.postjobfree.com

USA

Career Summary

o Around Nine years of experience in communication industry in GSM,

GPRS, EDGE and UMTS.

o Experience in operation and maintenance of GERAN network (BSC/BTS) and

good working knowledge of UTRAN network (RNC/NodeB).

o Experience in operation and maintenance of Operation support system

(OSS).

o Proficiency in Ericsson's AMOS (Mo Shell version P6.1 and P7.0)

Scripting tool.

o Experience in third carrier parameter changes and audits.

o Experience in System Acceptance Testing (SAT) of BSS and OSS.

o Experience with Ericsson, Nokia equipments and good knowledge of

Alcatel equipment.

o Experience in RF Performance Management through Ericsson and Nokia

OSS.

o Experience in RF optimization and planning.

o Good working knowledge of GSM, WCDMA and CCS7 protocols.

o Experience in Engineering Design Plan for Alcatel's Media Gateway

(MGW) and Call Server (MSS).

o Experience in Engineering Design Plan for Ericsson BSS and DACS

(Tellabs and Alcatel) port mapping for New Media Gateways (MGW).

o Experience in "TRIDENT", Decision framework tool used by RF

engineering.

o Good analytical and communication skills and a team player.

TECHNICAL SKILLS

o Technologies: GSM, GPRS, EDGE, WCDMA, CCS7 and good knowledge of

NMS, SIP and RTP.

o Languages: C, C++, ASP, Awk scripting

o Hardware: Sun Solaris Enterprise Servers E4500, E5500, E450 and S9000.

o OS: MS Windows (95/98/NT/2k/XP), MS DOS, Unix (Solaris, HPOV)

o Protocol Analyzers and Tools: Tektronix K1205, Ghepardo, Actix

o Drive Test Tools: Ericsson TEMS, Anite

o Propagation Tools: Map Info, Atoll and Optimi

PROFESSIONAL EXPERIENCE

02 '10 - 12'10 AT&T Mobility Baton Rouge, LA

RF Engineer

o Experience in performance management for UMTS and GSM sites through

OSS.

o Experience in optimization of network.

o Responsible for NodeB balancing through Ericsson's RNC.

o Configuration and re-configuration of UTRAN activities through Common

Explorer in Ericsson's OSS.

o Experience in Operation and Maintenance of UTRAN through AMOS(Mo

Shell) version P6.1 and P7.0 scripting tool.

o Responsible for third carrier RF parameter changes and audits.

o Experience in Layer Management parameter changes for Ericsson UTRAN

sites.

o Experience in performance management and node balancing of Nokia GSM

sites.

o Supported configuration and re-configuration activities related to

Nokia GSM sites through Nokia OSS.

o Responsible for analysis of T1errors and creating trouble tickets

related to T1 errors based on the severity.

o Co-ordination with vendors for System acceptance testing(SAT)

conducted for SGSN upgrade.

o Experience in handling UMTS and GSM antenna tilts using RETs for

Andrews and Katherein equipments.

o Experience in performance tools such as, Business Objects, COPS,

SENSR, Vision (NDR),Net Track, BEAST, Arieso Geo tool and Optimi.

o Experience in operation and maintenance of NodeBs using EMAS.

o Supporting the ongoing RNC rehomes as well as drive testing and

analysis of the rehomed sites using TEMS activated User Equipment(UE).

o Responsible for the creation of neighbor list for both GSM and UTRAN

sites via Mapinfo, COPS and OptPCS.

o Responsible for the Implementation process of New Site build data

using "TRIDENT" in order to achieve standardization and to improve

efficiency and data integrity.

07 '09 - 12'09 AT&T Mobility Minneapolis, MN

Senior RF Engineer

o Experience in sectorization of GSM sites through OSS.

o Responsible for preparation of neighbor information through RF

propagation tools, such as Map Info, Atoll and Optimi.

o Recommendations in parameter changes and feature activations based on

TEMS drive test data.

o Supporting BSS activities for sectorization through OSS .

o Responsible for preparation of datafills for sectorization, new site

builds and sectorization with dualband sites.

o Responsible for preparation, observation and analysis of KPIs for

sectorized sites.

o Experience in customization and generation of statistical data through

Business Objects.

o Co-ordination with RAN team for the migration of UMTS.

o Experience in AT&T proprietary performance tools such as Net tool, RA

and BEAST.

o Responsible for providing T1 informations through Granite Engineering

Database.

09 '08 - 12'08 T-Mobile Inland Empire, CA

RNC Engineer

o Operation and maintenance of RNC through OSS.

o Supported UMTS launch activities.

o Responsible for providing alarm statistical reports, Tri-market's UMTS

and 2G KPI reports, RNC performance report.

o Experience in collection and analysis of TEMS drive test data for IRAT

issues.

o Experience in WRAN explorer for RNC activities.

o RNC activities using MO-Shell (AMOS version P6.1) through Ericsson's

OSS.

o Co-ordination with RF engineers for troubleshooting issues in RNC and

NodeB.

o Responsible for UETR recordings through Ericsson OSS.

o Involved in GSM frequency re-tuning.

05 '08 - 08 '08 AT&T Mobility Redmond, WA

Senior Engineer - OSS (Architecture&Planning)

o Responsible for System Acceptance Testing of Nokia OSS and

applications.

o Testing of Configuration, performance and fault management

functionality including various applications (Traffica Z4-Real

time/ReportBuilder/Network Doctor/MML/CM Editor/CM Analyzer/Element

management).

o Testing of BSS software package loading through OSS.

o Experience in testing NetAct Administration and user management

procedures and tools.

o Creation of trouble reports and follow up with NSN.

o Involved in the system verification after new software loads/fixes.

o Responsible for System Acceptance testing of NetAct's backup and

remote system backups.

o Responsible for creation, maintenance of FOA (first office

Application) documents as and when required.

10 '07 - 03 '08 Ericsson Plano, TX

Engineer - BSS/NSS

o Experience with statistical analysis of Network performance data.

o Initiating call traces and Co-ordination with field technicians to

collect TEMS measurements for different traffic types (voice/ data),

for KPI measurements.

o Post processing drive test data using Actix for Analysis &

Optimization and analyzing ethereal traces.

o Preparing report on availability and usage of different statistical

Object types/Counters in the network.

o Preparing report for maintaining and improving BSC Key Performance

Indicators (KPI).

o Experience in RNC Re-balancing and NodeB rehoming and addition.

o Involved in integration related projects in Alcatel-Lucent 7670 MSN

o Experience in configuration changes in Alcatel-Lucent 7670 MSN and

AIM reporting

o Preparation of EDP (Engineering design package) related documents.

o Gained good knowledge of Node-B/RNC re-homing, new RNC and NodeB

installation, and optimization.

o Collecting NSS, BSS, RNC/Node B and DACS related data for the

preparation of EDPs.

o Responsible to provide the Facilities request form for NSS and BSS.

o Latest updates of EDPs based on the latest Market Design Documents

(MDD).

o Preparation of Engineering and Re-design related data for ongoing

project.

o Co-ordination with project managers and engineers for the site exit

process

o Follow-up on work orders related to Site exit, Trunk Group removal,

Trunk Group reduction and rehomes.

o Reviews and handoffs related to Site Exit for Ericsson MSC

Decommissioning and commissioning.

o Generation of Statistical reports for MSC Decommissioning projects,

and analyzing the reports.

o Co-ordination with circuit designers for DACS port assignments and re-

design related data

o Responsible to provide upper management with status reports.

03 '07 - 08 '07 AT&T Bridgeton, MO

Engineer - Operations and Network Support

o Providing Critical Network support services for High profile, Business

critical application (CTP-CTC, and CBUS) for internal and external

customers.

o Working closely with peers, development, system-test and application

trainers

o Administering ticketing systems and problem solving through remote

Operations support systems.

o Maintaining responsiveness to company's global customer base, manages

application availability, and partner in release initiatives.

o Maintenance of automation tools, scripts, system administration,

application administration, and network management tools (HPOV, BMC

Patrol Express).

o Involved in software upgrades (release management), patch management,

outage management, security management, and end-user interfacing.

o User provisioning and global support for AT&T's proprietary

applications.

o Acceptance test for various UNIX machines which supports OSS.

o Testing SQL Queries on Oracle RDBMS and validation of data.

o Raising trouble report for the problems identified, analyzing,

preparing detailed test reports and tracking the issues.

o Technical co-ordination and support for various teams.

02 '05 - 08 '05 T-Mobile Parsippany, NJ

Senior RF Engineer - BSS

o Preparation of Data fills for the EDGE implementation through OSS.

o Reconfiguration of ABIS path for EDGE.

o Activation and performance of EDGE reconfigured sites.

o Changing radio network parameters on RF Eng Inputs.

o Configuration, maintenance and administration of Ericsson's OSS/BSS

9.0 for GSM Network.

o Technical co-ordination with project managers and field technicians

regarding EDGE activation and performance of the EDGE activated sites.

o Involved in Flexible ABIS implementation for EDGE Activation.

07 '02 - 01 '05 Hutchison Essar South Limited Chennai,

India

Senior Engineer - OSS/BSS

o Responsible for Administration of Ericsson's operation and support

system (OSS).

o Responsible for Operation and maintenance of BSS.

o Involved in commissioning and performed acceptance testing for OSS.

o Worked in fault management, configuration management and Performance

management using OSS applications CNA, CHA, BSM, SDM, SMIA and PMR.

o Worked with SUN Solaris 8.1, Business Objects, VERITAS Volume

Management, Netbackup.

o Working Knowledge of SUN Enterprise servers E4500 and E5500.

o Definition, configuration and preparation of statistical reports

regarding the performance of the cellular network for KPI analysis.

o Traffic analysis and network performance analysis and changing radio

network parameters on RF Eng Inputs.

o Integration of new BTS sites and performing TRX expansion in existing

BTS sites.

o Involved in re-homing of BTS sites from one BSC to other and

performing testing for correctness of re-homing.

o Raising trouble reports for OSS and BSS related faults.

o Co-ordination with field technicians to resolve any network degrading

faults generated at BTS sites.

o Analysis of call drop, signal strength and quality using Ericsson

TEMS, for Coverage related Customer Concerns.

o AXE software update, RP SW and APG loading - Scripted packages using

OSS - OSS OPS and SMO script handling tools - Live nodes/Emergency

handling Process

o Optimizing the network to combat interference, fading and any

abnormalities in the Network.

10 '99 - 06 '02 Aircel Limited

Coimbatore, India

Engineer - OSS/BSS

o Involved in network integration, responsible for testing and operation

and maintenance of Ericsson's BSC and cellular base stations.

o Diagnosis and troubleshooting of faults generated in BSC locally and

in remote BSC/BTS sites through Operation and Support System (OSS).

o Experience with fault management, configuration management and

Performance management in OSS.

o Preparation of data fills for BTS site integration.

o Integration of new BTS sites and expansion of existing sites.

o Upgradation of BSC/BTS software, loading correction packages

(emergency and approved) for optimum performance of BSC and performed

regression testing after loading new software.

o Roaming definitions of different network operators through OSS, and

performing roaming tests.

o Analyzing of signaling messages for Location Updating, Call Setup

etc., using Tektronix K1205 protocol analyzer.

o Measurement and analysis of radio network parameters using TEMS.

o Traffic analysis and network performance analysis and preparing

statistical reports for KPI analysis.

o Changing radio network parameters based on RF Eng. inputs

o Raising trouble reports for BSS and BTS related faults.

o Co-ordination with field technicians to resolve any network degrading

faults generated at BTS sites.

o AXE software update, RP SW loading - Scripted packages using OSS - OSS

OPS and SMO script handling tools - Live nodes/Emergency handling

Process

06 '98 - 09 '99 Qsoft IM Pvt Ltd Chennai,

India

Web Designer

o Responsible for designing, implementation, validation and hosting of

websites.

o Involved in client and server side validations.

o Used Active Server Pages (ASP), and designing tools like Koy Precision

Tool (KPT) and Adobe photoshop 5.0.

EDUCATION

Bachelors in Engineering (Computer Science and Engineering);

Sathyabama College of Engineering, University Of Madras, Chennai,

India

TECHNICAL TRAININGS COMPLETED

o Basic Mobile Telephony from Ericsson

o Telecom Platform & AXE 10 Survey from Ericsson

o CME 20 - Cellular Communication Basics from Ericsson

o MSC operation and maintenance from Ericsson

o OSS Management - On Site Introduction from Ericsson

o Workshop OSS - Operation Handling

o DX200/IPA2800 Switching platform Essentials & Administration from

Nokia

o NSS - Operation and Maintenance from Nokia

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