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Committed and dependable Telecommunication Engineer with Ericsson GSM core, UTRAN and Huawei background, strong educational and practical experience in Wireless industry. Thorough troubleshooting in switching and signaling in the GSM and WCDMA nodes involving traditional SS7 communications as well as protocols like TCP/IP, ATM, and related. Creative team player renowned for his productivity and ability to handle critical tasks and deadlines. Proven track record on number of successfully completed projects in culturally diverse international environment from planning the concept, through testing, integration and implementation, until onsite deployment and support of working solution.

Skills and tools

Extensive knowledge in Ericsson's switches, TDMA, CDMA and GSM, MSC, VLR, HLR, UMTS RNC, RXI and Node B. Troubleshooting experience in CMS40 ANSI and CME20 ETSI standards

SAP SMS, Primus, GS3, OSS, moshell, Ameritec, Anritsu PCM analyzer, Inet ISUP analyzer, Ethereal and Wireshark TCP/IP analyzer,  OSS M2000, LMT, iCare and many others Ericsson and Huawei proprietary tools.

Proficient in Windows, UNIX, MS Office, C/C++, HTML and Assembler. Protocols used:  SS7, C7, RANAP, NBAP, RNSAP, RRC, ATM ALCAP, AAL2, AAL5, TCP/IP.

Work experience

Jun 2016May 2019

System Administrator, Developer


Design, development and support of web site, e-commerce store, blog and related social networks connections and presence. Utilizing HTML 5.0, CSS 3.0 and WordPress to build a responsive web site and online store. Maintaining the web site and the store with continuous improvements and additions, providing new features for interactivity, new shipping and payment methods, SEO, etc. Customizing the interface, adding additional language, troubleshooting performance and functionality issues. Supporting the web site and the store users with their questions, requests and online experience.

Apr 2014Apr 2016

SW development Project Manager


Developing the project plan and related documents for a web based software application called “Documents Registry”. It is an application for creating, editing, storing and exchanging business related documents between the employee and the HR, payroll and related departments. Produced the MySQL DB structure and design. The server side of the application is based on MySQL and php platform and the client side on HTML 5.0, CSS 3.0 and Java Script. It should run on any device and/or platform on a standard web browser. Preparing the SRS document. Creating various reports for the project status.

Nov 2011Feb 2013

Wireless Maintenance Engineer


First line support for wireless operators in Germany. Responsible for 3G UTRAN, OSS and LTE products line. Handling customer requests tickets and projects support. O&M operations such as software and hardware upgrades, new sites integrations and commissioning, demos and presentation for the customer. Projects: Telefonica O2 3G IPRAN swap, T-Mobile LTE Integration (PnP and USB).

Jun 2011Oct 2011

RAN Integration Engineer


Participating in different integration and configuration project for key customers like KPN and Vodafone. Integrating 4 new RNC 3820, software upgrade of 40 RNC’s and 4000 Node B’s. New and existing planning, re-tuning and configuration management of wireless networks.

May 2010Aug 2010

UTRAN Support Engineer


Dedicated UTRAN Support Engineer for Vodafone local account in Ericsson Romania. Daily activities includes faults finding, tracing, answering CSR in SMS. Responsible for 5 RNC (one type 3280) and 850 Node B, performing traffic analysis and recommends improvements. Involved in a recently migration to IP based Iub links troubleshooting, causing IP packets loss. Working with latest Ericsson OSS platform and AMOS tools.

Oct 2009Dec 2009

UTRAN Engineer - Contractor


Supporting the RF Optimization team in their daily drive test activity. Adding IRAT, and UTRAN neighbor relations, implementing parameters changes on RNC and Node B level, developing moshell scripts, using mobatch with the latest P7 software and Ericsson AMOS OSS related products. Utilizing T-Mobile specific software tools for network optimization. Troubleshooting any transmission or call setup/handover issues during testing. Creating detailed daily alarm report for more than 300 sites in PA market and verifying the call test data using KPI counters.

Sep 2007Dec 2008

UTRAN Optimization Engineer - Contractor

Market Lead for Central TX region. Performing base line parameters and RND CIQ audits, fine tuning the network performance. Using the OSS to perform different measurements like OCNS, UETR and UeH exception, analyzing log files and traces to find traffic affecting issues. Delivering daily network status report, using complex Excel spread sheets, involving VB scripts and functions. Utilizing moshell, perl scrip, SONAR and other Ericsson tools to extract, collect and present data about network characteristics. I spent also one month as a First Line Support Engineer helping WRAN group.

Apr 2006Aug 2007

Senior UMTS Integration Engineer - Contractor

Team lead engineer in Ericsson UTRAN integration project for Cingular UMTS market in Little Rock, Arkansas. Integrating, testing and deploying RNC, RXI and 140 Node B's (RBS's). Coordinating tasks with onsite field team, RF planning and optimization; troubleshooting and resolving problems related to connectivity, call establishment and HSDPA sessions; software updates and parameters settings. Extend the contract for O&M support for RNC and RXI for 1 year after the integration.

Dec 2004Apr 2006

Integration Engineer - Contractor

Consulting various GSM/UMTS customers on wide spectrum of implementation and integration activities.Optimization projects for GSM customers. Analyzing exchange parameters settings, EOS and database parameters and providing designed custom solution for best performance in operators' network and improving KPI’s. Writing MOP (Methods of Procedure) and implementing changes requested. Directing and supporting the onsite testing and integration units. Remotely upgrading software - via OSS, remotely BSC/TRC and RBSC re-home.

Aug 2004Dec 2004

CTAC Support Engineer - Contractor

Cingular Wireless

Highest Level Support Consultant at TAC support center on the CSE (Common Service Experience) project on Cingular and AT&T Wireless merger. Troubleshooting provisioning, load balancing, roaming, E911 and IN calls scenarios during migration of AT&T customers to Cingular network. Working with several of Cingular proprietary tools like Teligence, CARE, Snooper and Access7.

Nov 1998Jul 2004

System Support Analyst IV

Worldwide Second Line Support for GSM, CDMA and TDMA network for the following products: MSC/VLR/HLR, Tigris RAS, WIN nodes SCF, SSF and MSC server in UMTS. Knowledgeable in FNR, HLR redundancy and WCDMA MGW. Received training in operation and configuration of MGW R2, Cello based ATM switch, connecting it to different nodes in the UMTS network like RNC, SGSN, MSC and PSTN network using EMAS. 24 hours on-call, support, consultation, troubleshooting, debugging, and writing emergency patches corrections. Thorough experience in design, implementation and troubleshooting E911 services phase 1 and 2 for major US GSM operators in multi vendor environment.

Software correction packages - development and testing. Key role in critical cut-off support and upgrades.


* MSC R10 FOA project and Customer Demo for T-Mobile. Responsible for developing, troubleshooting and executing Regression test and demo instruction for High Speed Signaling Link.

* GPS in mobile networks for AT&T Wireless. Installation, configuration, and support of Ericsson’s SMLC servers.

* GSM TTY Demo project for Cingular, including test, execution and support.


Recognized by the company’s management team as a key contributor to its success and included in a special stock options program twice in 2000 and 2001.

Jan 1998Dec 1998

System Test Engineer

Reltec Corporation

Creating and executing Systems Test Procedures for Reltec DISC*S family of Multiplexes, including different platforms FITL, MATRIX and SONET.

Testing various Digital Loop Carrier (DLC) services and modes: TR008 Mode I, and II, INA, DTA, TR-303 and ISDN. Working closely with Software Department and Integration, defining the requirements and isolating faults.

Jul 1997Dec 1997

System Test Engineer

Developing test specifications, test instructions and plans for System and Function Test.

Performing the test cases and troubleshooting the faults occurred. Lead System Engineer for charging and accuracy tests.

Designing script files for automated testing, using simulators. Performing regression test on software corrections.

Jan 1995May 1997

Customer Support Engineer

Ericsson Telecommunications

First Line Customer Support for wire line AXE10 switches, software and hardware maintenance, software packages upgrade, remote network management and monitoring using TMOS, fault finding, and help desk activities.

Performing Customer’s Acceptance Test, installing and testing E1 PCM systems. Experience in installation and configuration of X.25 based packet switching equipment ERIPAX.


Oct 1988Oct 1994

Master Degree

Technical University

Thesis: Programs and algorithms for optical character recognition of symbols and digits.