SUMMARY:

• Skilled in MVS Operating System Support, DB2, Oracle, VSAM tools, System Utilities, CICS, TCP/IP network communication, support and maintenance.
• Experienced at expert level in Assembler (BAL), REXX, C/C++, COBOL, JCL, and SQL - PL/SQL languages.

TECHNICAL SKILLS:

OS: IBM MVS/370/390 - z/OS, IBM/VM, UNIX (AIX, Linux, Solaris, z/OS USS), Windows NT/2000/XP

HARDWARE: IBM S/370-390-zSeries, System/88, RS/6000, Intel platform

SOFTWARE: C/C++ (IBM/SAS/MS), STL, MFC, MS SDK, MS Visual Studio, XDC-debugger, IBM z/OS Utilities, CA software, BMC, SYNCSORT/DFSORT, FileAid, VSAM, VTAM, SNA, TCP/IP, CICS, DB2-Connect, Endeavor, ChangeMan, MQSeries, HTML, PHP, SQL.

DBMS: DB2 zOS/UDB; Oracle

LANGUAGES: IBM Assembler, JCL, C, C++, PL/I, COBOL, REXX/CLIST, SQL-PL/SQL (Oracle, DB/2), XML, Java, JavaScript.

PROFESSIONAL EXPERIENCE:

Confidential, Woodlawn, MD

Sr. Programmer Analyst

Responsibilities:

• Long-term project on obfuscation of PII/FTI and other sensitive information for Validation Database (COBOL, Assembler, JCL, DB2, VSAM, IBM Utilities, SYNCSORT, Compuware software tools, File-Aid/RDX/Data Solutions).
• Created and updated Exit Routines Assembler code, for using in Data Solutions product, and in DB2 processing.
• Performed system test runs and result verification according to the test plan, and test milestones.
• Supported speeding-up for system regression test via automated comparison of test results with expected result templates.
• Developed and introduced technological standards and naming convention on testing and QA activities.
• Applied Ajile software development methodology for managing, design, coding, and testing activities.
• Organized training classes for the company User Group, covering topics like z/OS, JCL, REXX, Assembler, TSO/ISPF, others, to share knowledge and experience among mainframe development teams.

Confidential, Annapolis, MD

Sr. Mainframe Developer-Analyst

Responsibilities:

• Project on conversion of a large-scale legacy Retirement Payment System to the new platform (zOS, CICS, COBOL, Assembler, Endeavor, IBM Utilities, SYNCSORT, VSAM, .Net, SQL).
• Provided documentation required to port the system between platforms.
• Advised management and technical staff on standards and regulations for record management.
• Provided analysis, and created program specification documentation on legacy program code, both in Assembler, and COBOL.
• Performed and documented verification and tracking of code versions to plan testing according to delivered change requests.
• Evaluated and compared competing requirements for Database Record Management Systems.
• Represented Application Support, Service Management to audit, business or other areas w/accurate responses. Responded to operational inquiries, audit requests and management reporting questions.

Confidential, Hanover, MD

Sr. Mainframe DB Developer

Responsibilities:

• Project on conversion of a legacy medical claim processing system to newly designed Claim and Accumulators database system (DB2, Oracle, zOS, AIX, CICS, COBOL, IBM Utilities, and DFHSORT).
• Provided consultations on database design, and system architecture issues.
• Performed remediation of control deficiencies, risk concerns, agreed upon actions. Independently researched and resolved multiple issues.
• Performed DBA functions (DB2, Oracle, BMC Utilities, and FileAid).
• Supported major system upgrades, vendor patches, operation scheduling, job dependencies, necessary storage increase.
• Design and further tuning of SQL queries (DB2, and Oracle) to provide required data for claim processing application components. Design and development of DB Stored Procedures (SQL, PL/SQL) for complex database requests.
• Supported initial database load and data verification (ETL, DB2, and Oracle).

Confidential, Rye, NY

Senior Software Engineer

Responsibilities:

• Completed series of development and enhancement of proprietary multi-platform Data Warehouse Management System (zOS, DB2, Unix, Oracle, Windows, MS-SQL, .Net, Websphere, Java).
• Designed and developed multiple components of Total Content Management System (IBM Assembler, XDC, C/C++, COBOL, REXX/CLIST, CICS, script languages, TSO/ISPF, Change Manager, IBM Utilities, SYNCSORT, others).
• Created unified interface between data servers, and databases (DB2, Oracle, MS SQL, zOS, AIX, Unix, Windows).
• Strong analytical skills. Designed algorithms, and their SQL implementation for fast data retrieval from huge-scaled customer databases (billions of records, and larger).
• Performed major DBA responsibilities (DB2, Oracle, REORG, RUNSTATS, UNLOAD/LOAD, SQL*Loader, SQL*Plus, BMC and FileAid tools, others)
• Reviewed and evaluated applications’ technology risks, performance and capacity concerns, and supportability issues. Created recommendations on improvement; maintained application documentation, operational procedures, and identifying alternative solutions suggested to project management.
• Participated in compatible database schemas design (DB2, Oracle, MS-SQL). Performed physical and logical schema design, database objects allocation, tables, constraints, triggers and stored procedures.
• Analyzed and improved the logic of database access algorithms.
• Implemented and supported enterprise environment data transfer and conversion (DB2, Oracle, MS SQL, XML, DB2-Connect, etc.)
• Experience in solving software problems. Discovered and fixed the underlying source of major incidents. Production support liaison with Delivery Services, Technology Services and business support areas.

Confidential

Senior MVS Systems Programmer

Responsibilities:

• Managed production application & business process operations environment.
• Diagnosed, and identified resolution activities and required resources to restore technical systems and business processes.
• Identified, analyzed, helped determine root cause, follow-up actions and coordinate changes to resolve incidents and problems.
• Created updates, improvements, and fixes for customization and tuning of z/OS components, including TSO/ISPF, and DB2 subsystems; used languages are mainly JCL, REXX/CLIST, Assembler, and system utilities.
• Performed incident analysis and recommended appropriate solutions for fixing problems causing production incidents; working closely with business staff, Information Security, and Technical Services teams.
• Provided production database migration between physical locations. (ETL, Disaster Recovery).
• Maintained banking environment including. (zOS, CICS, DB2, IMS, TSO/ISPF, MQ-Series, VTAM, VSAM, Eztrieve, others).
• Monitored and enhanced Operating System performance (MVS, DB2, Omegamon, SMF, Trace Logs, SMP/E).
• Monitored and maintained telecommunication components.(S390, S88, AIX, PC, TCP/IP, SNA, Assembler, COBOL, REXX/CLIST).

Confidential

Oracle DBA

Responsibilities:

• Administration and maintenance of Oracle production database dedicated for processing credit card transactions, running on cluster of Windows/NT servers.
• Performed incident & problem management building and maintaining extensive application, technical environment and/or business process knowledge.
• Supported data and application migration after system upgrades.
• Provided automated database backup and recovery, and auto-switching between instances after failures, based on both AIX shell scripts, and Windows batch
• Facilitated business continuity planning, disaster recovery (BCP/DR) exercises, coordinated necessary steps with other involved parties (e.g. TCM, CNO, DBA, WMS/WIO)
• Database optimization and customization to provide appropriate balance between better batch performance, and faster OLTP response time. Previous related experience
• Developed a proprietary Office Document Management System, with major features later found in Lotus Notes. (OS/2, Windows, Novell, Sybase SQL Server, C/C++, MFC).
• Designed and developed components of Data Storage subsystem, Report Generator subsystem, and Data Control subsystem of a proprietary Database Management System running on IBM/370-390 platform; OS MVS and VM. (PL/I, IBM Assembler, C/C++).
• Developed DOS and Windows based office Document Management Systems, and proprietary banking Payments Authorization System. (Novell, RDBMS, C/C++).