**Overview**

Planned Systems International (PSI) is an an Enterprise IT services company seeking an experienced Unisys 2200 Mainframe Database Administrator (DBA) to manage, maintain, and optimize our database systems operating on the Unisys 2200 series mainframe platform. The ideal candidate will have a deep understanding of Unisys database environments DMS 2200 and RDMS 2200 and possess strong skills in data integrity, performance tuning, and database security within mission-critical legacy systems.

**Essential Functions and Job Responsibilities**

+ Administer and maintain DMS 2200 and RDMS 2200 databases on the Unisys 2200 mainframe environment.
+ Maintain all DMS schemas and subschemas, as well as RDMS schemas, both in multiple production and development environments.
+ Maintain database backups for all database environments.
+ Write and enhance software using ACOB, UCOB, Assembler, and SSG in support of the database environment.
+ Plan and sc...