Description
Job Summary:
Senior professional for analysis, maintenance, and evolution of IBM z/OS legacy systems, with a focus on requirements gathering and application mapping.
Key Highlights:
1. Senior expertise in IBM z/OS legacy systems
2. Focus on analysis, maintenance, and evolution of systems
3. Opportunity to participate in migration/modernization projects
Senior professional responsible for the analysis, maintenance, and evolution of legacy systems in the IBM z/OS environment, performing technical and functional requirements gathering, application and database mapping, identification of risks and interdependencies, as well as supporting testing, acceptance activities, and platform migration processes.
**Job Description**
* Gather and analyze technical and functional requirements for the z/OS environment
* Map legacy systems, applications, source code, and databases
* Identify system interdependencies, risks, and critical points
* Propose technical solutions and support testing and acceptance activities
* Produce clear technical documentation to support future platform migration
* Collaborate with infrastructure, database, and production teams
* Analyze and propose performance improvements for legacy source code and databases
Manipulate and optimize DB2 databases
*
**Mandatory Requirements**
Solid experience in systems analysis within the IBM z/OS environment
Bachelor’s degree in Information Technology or related fields
Proven knowledge of:
* COBOL
* Batch processing (JCL/PROC)
* CA-Endevor or Changeman (version management)
* IBM DB2
* IMS/DB and IMS/TM
* VSAM and QSAM files
* CICS (transactional environment)
* Control-M (job orchestration)
* TSO/ISPF
**Desirable Knowledge**
* Data modeling and technical solution design
* CSP/AD (Cross System Product / Application Development)
* XPEDITER (debugging)
* Natural/ADABAS, Assembler, CA-ROSCOE, CA-Easytrieve Plus
* Experience in legacy system migration or modernization projects
* Performance analysis using APA (IBM Application Performance Analyzer)
* Development of processing flows
**Desirable Knowledge**
* Experience with data modeling and technical solution design
* Experience with **CSP/AD (Cross System Product / Application Development)**
* Use of **XPEDITER** for program debugging
* Knowledge of **Natural/ADABAS, Assembler, CA-ROSCOE, and CA-Easytrieve Plus**
* Participation in **legacy system migration or modernization projects**
* Performance analysis and measurement using **APA (IBM Application Performance Analyzer)**
* Development of **processing flows**