Sr. Mainframe Developer Resume
Naperville, IL
SUMMARY
- A dynamic IT professional with over six years of strong IT experience in Mainframe Technologies.
- Experience in Analysis, Design, Development and testing on Confidential mainframe using COBOL, JCL, VSAM, CICS,DB2, ISPF, SQL, IMS, MVS/ZOS/Unix, MQ series and Credit Card Processing Application (Vision PlusTM package) domain.
- To operate as a Programmer Analyst / Systems Analyst, Mainframe Technologies and Application Developer in a dynamic organization that provides opportunities and challenge.
- Extensive experience in Client Server and Mainframe environment.
- Experienced team player at all organizational levels.
- Experienced and certified in health Insurance domain, good experience on various HIPAA transaction set numbers 835 (Health Care Claim Payment/Advice) and 834(Benefit Enrollment and Maintenance).
- Exceptionally flexible and fast learner with proven ability to lean new concepts quickly.
- With strong Coding and analytical skills, polished leadership skills and ability to motivate teams to increase productivity.
- Experience in working with Mainframes, COBOL, JCL, VSAM, CICS, EASYTRIEVE, DB2, IMS DB, JAVA, Eclipse Plug - ins, UNIX, Shell Script, Batch, J2EE, WEB SERVICES and SQL Developer.
- Responsible, flexible, highly adaptable and willing to learn new concepts and methods of operation.
- Proven ability to work effectively and accurately.
- Good knowledge of Linux and Windows Operating System
- Confidential Certified DB2 Associate.
TECHNICAL SKILLS
Operating System: OS390, MVS, VM, CMS, DOS/VSE, RDOS, UNIX, AIX, HP-UNIX, VI, LINUX and Windows (XP, 2000, NT).
Database: DB2, INFORMIX, ORACLE, IMS DB/DC, ADABAS, ACCESS, FOXPRO, VSAMNATURAL CONSTRUCT and DBAM.
Language: COBOL, MicroFocus COBOL, Net Express 5.1, INFORMIX-4GL, Focus, SQL, PL/SQL, ESQL/C, PL1, NATURAL, SAS, JCL, IFPL, KornShell and CogniShell Scripts.
Technique: Hierarchical Database Design, Relational Database Design and Modelling with a heavy emphasize on Referential Integrity, Structured Methodologies, System Testing, and Quality Assurance.
Confidential processes: Change Management, Release Management, Incident Management, Defect prevention, Review and Inspection, OPAL(on Demand Process Asset Library), Six-sigma & Lean, IGSDF( Confidential Global Solution Delivery Framework).
PROFESSIONAL EXPERIENCE
Confidential, Naperville, IL
Sr. Mainframe Developer
Responsibilities:
- As a senior developer of the team, was responsible in meeting with the business teams to understand the requirements and document the same following the SDM process.
- Implementing new components & code fixes into production.
- Providing the post implementation support in production as per the business need.
- Develop new COBOL modules to support business operations of the application.
- Created ADABAS files (view) required to Read, Store and Maintain ADABAS database records in NATURAL environment.
- Maintain production system for WIC program during rewrite from ADABAD Naturral Unix to FOXPro front-end
- Involved in the coding in COBOL and IMS to perform front-end processing/mapping, as well as reporting, for new client.
- Developed process to dump IMS database segments, convert to DB2, and load to new DB2 format.
- Worked in the Investments group, developing online and batch NATURAL/ADABAS modules and batch COBOL and COBOL/CICS modules with imbedded ADA SQL.
- Designing and developing new batch programs using COBOL, IMS, JCL and VSAM.
- Designed and developed a tool in NATURAL (version 2.2) which allowed browse and update of ADABAS records.
- Use SQL embedded call routines in COBOL to extract vital record segments from ADABAS database to create batch reports.
- Conversion of the Case Tracking System from IMS to DB2.
- Assigning the testing tasks to offshore resources and track the status.
- Reviewed and provided feedback on Unit Test scenarios, Unit test case/scripts, and data to offshore resources as well as other team members.
- Developed effective technical and userdocumentation
- Effective planning and working with multiple client vendors
- Write Technical Specifications of the modules.
- Prepare and execute Unit Test Scripts.
- Development and testing.
- Implement changes into the system using Changeman.
- Perform Unit and system testing of the modules.
- Participation in Vendor calls.
- Resolve amend Tickets.
- Perform analysis of the existing modules using interest tool.
- Migration of components using Endeavour version control tool to production.
- Maintain metrics of the incidents logged on a monthly basis.
Confidential
Analyst / Developer
Responsibilities:
- Analyzed, developed, maintained, enhanced and supported Calwin Welfare Application systems that comply with user’s requests for all branches in California, United States.
- Experience with online development using CICS, IMS DB/DC, PSBs, and SSAs.
- Analyzed existing code based on high-level integration requirements.
- Performed Analysis of business requirements to improve the business process of existing systems.
- Developed Micro Focus COBOL/Oracle code based on design.
- Served in customizing an online NATURAL/DB2 system according to end-user specifications.
- Provided support by ensuring stability of the application, addressing and resolving the issues in a timely manner.
- Involved in the full life cycle development of adding new features / functionality to an online NATURAL / ADABAS system
- Developed and executed SQL scripts as required for conversions, database maintenance and ad-hoc query requests.
- Experience in Confidential Mainframe COBOL, JCL, CICS, IMS DB/DC, DB2, SAS and related technologies in Mainframe.
- Shared knowledge of application programs and development tools with new team members.
Confidential
Analyst / Developer
Responsibilities:
- Analyzed, designed and developed Mainframe integration code between the state’s ERP System (KPMG’s R*STARS/ADPICS)and the new purchasing system (BuySpeed).
- Analyzed existing code based on high-level integration requirements.
- Prepared design document based on analysis.
- Developed COBOL/DB2 code based on design.
- Prepared jobs (JCL) based on design.
- Created and Maintained DB2 Stored Procedures.
- Developed DFSort /Icetool based file joins and reports.
- Developed secure FTP scripts based on State's security requirements.
- Handled responsibilities of analyzing, troubleshooting, and debugging Linux system issues
- Install, configure, and maintain Linux operating systems(RHEL).
- Responsible for providing support in various Linux environments and Performed the tasks of developing application specification and developing suitable test plans