Mainframe Developer(Natual/ Adabas) - Onsite- Downey, CA- W2 Only

Title: Mainframe Developer(Natual/ Adabas)  Location: Downey, CA (Onsite)
Duration: 12+ Months
 Position Overview 
We are seeking an experienced Mainframe Systems Programmer/DBA to lead and support complex database upgrade projects, system software installations, configurations, testing, implementation, maintenance, and enhancements for legacy enterprise systems. The ideal candidate will have deep expertise in mainframe database administration and systems programming, with strong experience managing hierarchical, relational, and file-based database environments.
 Key Responsibilities

• Plan, install, configure, test, implement, and maintain core mainframe database products and system software.

• Manage and upgrade database environments including IMS, DB2, and ADABAS.

• Monitor database health, performance, capacity, and space utilization.

• Perform database administration and provide technical consulting to application development and operations teams.

• Design logical and physical databases, including database creation and optimization.

• Develop and execute backup, recovery, replication, compression, partitioning, and reorganization strategies.

• Conduct technical reviews and performance evaluations of existing database systems.

• Recommend and implement improvements to database architecture and DBMS software.

• Support production systems and troubleshoot complex system/database issues.

• Lead database-related initiatives and mentor junior team members.

Required Skills & Technologies

• Mainframe Platforms: IBM z/OS, SMP/E, JCL

• Database Technologies: IMS DB/DC, DB2, ADABAS

• Middleware & Transaction Processing: CICS

• Programming/Scripting: Assembler, COBOL, REXX

• Security: ACF2, NATSECURITY

• Tools & Utilities: IBM File Manager, DELTA/IMS, NATURAL/SUPERNAT, ENTIREX, CA SPOOL, IMS & DB2 BMC Tools, N2O/TRIM

Required Experience

• Minimum 7 years of experience as a Systems Programmer/DBA

• At least 3 years in a lead role

• Strong hands-on experience with IMS DB/DC, CICS, ADABAS, NATURAL, N2O, and TRIM

Education

• Bachelor s degree in Information Technology, Computer Science, Engineering, or a related field.