SUMMARY:

• Dedicated IT professional with over 13 years of extensive experience in Structured Software Development, with proven track record in various industries such as telecom, ecommerce, B2B and B2C retail, and emergency services.
• Competent in key phases of SDLC for web - based and client/server applications with focus on optimization.
• Hands on expertise in project-based documentation analyses, requirements definition and maintenance, development and implementation, source control (code, documentation, data models) and white box testing.
• Well skilled in analyses and multilevel reporting as well as optimal defects/issues resolution. (DT&RLC).
• Solid, practical knowledge of programming tools: C++ Builder/Visual Studio, J-Builder, Eclipse, Netbeans, Android SDK.
• Hands on experience in working with customer’s equipment/network on customer’s site (integration, configuration, troubleshooting)
• Proficient in development, deployment of performance testing procedures across multiple/target specific environments, as well as front-end and server-side optimization.
• Successfully performed in Quality-Driven development, and proficient in utilization of process management tools as well as environment configuration utilities with key focus on stability and maintainability.
• Strong understanding of OOP/OOD methodologies, working knowledge of design patterns and best practices.
• In-depth knowledge and experience with Java, C/C++, UNIX Scripting (SHELL, TCL/TK), PERL, FOXPRO as well as proficiency with MS SQL and Sybase.
• Practical knowledge of LTE, UTRAN, GSM, and CDMA networks architecture: hardware (ATCA, HP), connections, communications, applications (IMS, CTS, ISC, SCG, PCF) and tools.
• Supporting top telecom customers worldwide (ex. Verizon, AT&T, Sprint, MTS-Russia, Safaricom-Kenya, Orange), delivering latest product updates, trainings and roadmaps.
• Hands-on experience in mobile application development for Android platform
• Ability to multi-task and drive projects from start to finish both independently and as a part of a team.
• Problem solver, experienced at implementing cost-effective and easily maintained solutions.
• Excellent organizational skills, attention to details and ability to meet deadlines in fast paced environment.
• Comfortable in working in multicultural environment; fluent in English, French and Russian languages.

TECHNICAL SKILLS:

Operational Systems: Unix/Linux, MS Windows NT/2000/XP/7, DOS, Android

Programming languages: Java (JDBC, JDNI, JavaBeans, Hibernate, Struts), C/C++, UNIX SHELL, TCL TK, Python, PERL, MS/SQL, SQL, Visual Basic, VBA, HTML, XML, PASCAL, BASIC, PHP, FOXPRO

Programming tools: C++ Builder/Visual Studio, J-Builder, Eclipse, NetBeans, Android SDK and, VBA.

Databases: MS Access, MS SQL Server, SybaseTelecommunication: Wireless network LTE standards, UTRAN standards, CDMA standards, GSM standards (SY-1), SAM, WMS, WiPS, OMCCore Network: CTS, ISC, PCF, SCG, IMS, ATCA, HP G6/G8, LSS/LCP, 9370 RNC, CLLI, SS7, 7750 Routers (ALU, Nortel, Ericsson, Motorola), Tariff Tools

Software &Tools: MS Office, MS Visual SourceSafe, Erwin ERX, T.O.A.D, Adobe Acrobat, Adobe PhotoShop, Visio Professional, Macromedia Dreamweaver, Quick Books.

PROFESSIONAL EXPERIENCE:

Confidential, Naperville, IL

Network Integration Enginee r

Responsibilities:

• Integration / deployment of variety of telecommunication solutions for core network on ATCA and HP hardware platforms for Confidential major customers
• Analysis of customer’s requirements and project input documents for feasibility, optimal performance, reliability and system security
• Preparation of site-specific project documentation - MOP (Methods of Procedure)
• Validation (dry-run) of MOP (Methods of Procedure) in the lab environment, providing updates to the project documentation and tools and utilities (e.g. installation shell scripts)
• Generation of input configuration files and packages based on technical specifications provided by the customer (FI spreadsheets, software installation/configuration scripts, etc)
• Pre-integration inspection of the hardware, verifying hardware consistency, checking the new hardware is properly mounted, powered up and error free (placing orders for replacement parts and services if needed)
• Initial configuration of hardware: IP network, admin account, SNMP, power settings, disk RAID settings, firmware and virtual machine on brand new IMS hardware at customer’s site
• Installation of GUI, necessary user’s accounts, scheduling default maintenance tasks, backups and performance measurements collections (KPIs) on newly integrated IMS
• Initial start-up of IMS; installation of necessary licenses, provision of necessary translations in the database
• Registering the new IMS systems on customer’s network (1360 COM, HP SIM)
• Identifying and isolating hardware and software problems on the equipment, providing on-spot solutions and workarounds
• Prepared and validated the input configuration files for automated provisioning of service parameters (xls provisioning of charging profiles, connection profiles, filters, etc)
• Performing post-integration audits and system backup, securing the platform
• Compilation of integration completion packages and acceptance testing results
• Verification of compliance of network and system parameters (global and site-specific) with customer’s specifications
• Development of automated scripts for verification test scenarios
• Performing software upgrades (SU) on various core network elements (ISC - IP Session Controlles, CTS - Converged Telephony Server, SCG - Service Continuity Gateway, 7750 Routers)
• Per customer’s request debugging and troubleshooting IMS systems, providing shell scripts to customize system to accommodate customer’s special request
• IMS integration is always an on-site project; therefore nationwide travel is required, depending on location where customer decided to grow its core network.

Environment: Java, SQL, UNIX (Red Hat Enterprise Linux Server), Shell, XML, CTS, ISC, SCG, 7750 Routers, ATCA, HP c7000 G6/G8

Confidential, Naperville, IL

Network Data Architect

Responsibilities:

• Supported UTRAN network activities such as network engineering support; data audit and alignment; provisioning support for base stations migrating over the network.
• Utilizing Java technologies developed supporting tools for automated network audit with generation of audit reports and auto-fix scripts for detected network inconsistencies.
• Performed network data audit and prepared reports of found conflicts and inconsistencies along with recommendations on network reconfiguration to resolve the issues.
• Prepared XML workorders (for WMS) and CLI scripts (for OMC-U) for the upcoming migrations (re-homes, re-parentings)
• Developed UNIX Shell scripting tools to calculate impacted network elements and nodes for upcoming Provided the technical documentation for tools and processes utilized within the project activities.
• Spearheaded global and localized root-cause analyses, utilizing innovative techniques and development practices to achieve low-cost high impact resolutions.
• Provided training for members of the integrated project teams as well as generated custom “views” and access points
• Migrations of RNCs (5 200 to 937 0) within UTRAN network.
• Performed UTRAN network modifications such as addition/deletion of sites (NodeB, OneBTS), carriers and neighbors (NodeB add, Carrier Adds; NDER analysis, WO production and loading).
• Performed UTRAN NodeB reconfigurations including but not limited to: T1/T3 growth, Link Profile change, Frequency retune, cell id updates, change of wattage, reconfigure the hardware (OneBTS part), various types of NodeB’s conversions
• Monitored KPI of NodeBs/eNodeBs after their modifications or turnover to production to ensure compliance with the customer’s requirements as well as to ensure no degradation has happened after the modification
• Participated in site model conversion (macro cell to D2U, D4U, and reverse); conversion of transport from ATM to IP and back.
• Performed LTE network modifications such as addition/deletion of sites (eNodeB), carriers and neighbors (eNodeB add, Carrier Adds; CQ analysis, WO production and loading).
• Configured Local Switching System for routing e911 and other local calls for modifications such as addition/deletion of sites (NodeB add, Carrier Adds, Sector add; NDER analysis, LCP scripts production and loading).
• Supervised offshore team, performing NodeB growth/carrier growth activities.
• Performed the WOs generation for 9370 RNC growth.
• Assisted radio engineering teams to prepare the input configuration files for automated migration tools.
• Evaluated risks and impacts exposed by modification of network configuration while various modes of network freezes.
• Performed offline simulations of migration processes in order to detect the potential problems and advise the radio engineering teams on solution prior to running the process in field.
• Supported migrations (5 200 to 937 0) in real time and provided solutions and workarounds for appearing issues in extremely limited time conditions.
• Supported reparenting/rehome process (9 370 to 937 0): CIQ review, providing homing plan, preparing WOs in WiPS
• Preparation of project-specific project documentation - MOP (Methods of Procedure) - for NodeB/Carrier growth, decommission, retune, reconfiguration, etc.
• Optimized performance and debugged the automation tools and its components.
• Analyzed UTRAN/LTE network configuration and prepared various statistics as requested by the customer.
• Successfully completed tasks in timely manner (meeting all the deadlines and customer’s expectations).

Environment: Java, SQL, UNIX, Shell, Python, XML, Netbeans, WMS, SAM, WPS, LSS, OMC-U, Excel

Confidential, Wheeling, IL

Developer specializing in J2EE

Responsibilities:

• Responsible for project-based documentation management, participated in LOE assessment, Project Planning and Risk management for multi-tier (MVC) application development utilizing J2EE framework.
• Evaluated requirement specifications, functional solutions and supporting documentation with members of Business and Engineering teams during requirements definition and analyses phases.
• Developed, integrated, tested and maintained different modules of multi-tier application utilizing J2EE, SQL, Servlets and Visual Basic, across multiple static and dynamic environments.
• Supervised deployment of ClearCase (CC) for version control and internal traceability optimization, provided configuration specification for different releases and branches in Clearcase (version control).
• Implemented new application modules, Change Requests (CRs), Emergency Modification Requests (EMR’s) Business Trouble Management Enhancements (BTME) and integration procedures throughout SDLC.
• Perform code reviews, guided improvements and optimization process for Java, SQL (queries, views and stored procedures), as well as implementation of in-house developed tracking and analyses modules.
• Optimized performance of application and its components with special focus on DB and Business logic tier.
• Participated in code reviews for improvements and optimization process for Java, SQL (queries, views and stored procedures), as well as implementation of in-house developed tracking and analyses modules.

Environment: Java, JNDI, JDBC, Hibernate, SQL, UNIX, Clearcase, XML, VB, Tomcat, Eclipse, MS Project, Visio, UML