# Senior Mainframe Systems Programmer - IMS Phyical at Ensono

> Provide IMS systems programming support, troubleshooting and migration services for Ensono's mainframe clients.

- Company: Ensono (ensono.com)
- Location: Remote - United States (remote)
- Places: Remote, United States
- Posted: 2026-10-08
- Level: Senior
- Team: Mainframe Systems Programming
- Reports to: Senior Manager - Mainframe Systems Programming
- Work mode: Remote
- Apply: https://ensono.com/company/careers/jobs-board/?gh_jid=4740839005
- Page: https://ye.saranatour.dev/jobs/senior-mainframe-systems-programmer-ims-phyical-ensono-kn7c8ce4wv994z734a7ey38xa58hdkmt

## The posting

Senior Mainframe Systems Programmer - IMS Phyical
Ensono · Remote - United States

**Position Summary**

Provide premium software support and services to Ensono mainframe clients as they relate to Mainframe IMS systems.

Position reports to Senior Manager - Mainframe Systems Programming

Key Areas of Focus for this Role

- Fulfill customer service requests for mainframe z/OS customers in a timely manner as they pertain to IMS and related OEM software products.

- Provide primary support for reported problems related to IMS and related OEM software products.

- Provide support on 24 x 7 x 365 basis across multiple time zones.

- Follow procedures for installing OEM software products efficiently and according to best practices and Ensono standards (for productivity/scalability purposes).

- Provide key support for customer migration services (new customer transitions) as they pertain to IMS and related OEM software products.

- Assist the assigned project manager in the migration of newly acquired customers such that all technical hurdles are addressed in a timely manner and do not impede the expected progress of the transition nor the targeted migration date.

- In joint cooperation with the Disaster Recovery Services, successfully execute tasks associated with any given customer’s disaster recovery plans.

- Adhere to a schedule that efficiently manages resources and allows timely implementations.

- Follow ITSM change control procedures

What the Ideal Candidate Brings to this Role

_Required Qualifications help to assure new Associates are set up for success in their role with Ensono. To be considered for this career opportunity, it is important that you meet all Required Qualifications. Candidates that may meet some, but not all, Other Qualifications are still encouraged to apply._

**Required Qualifications**

- Bachelor’s degree required and/or equivalent work experience.

- 10+ years of professional experience in IMS for administration and systems programming support. CA and IBM tools for IMS a plus

- Extensive experience with the following:

- Knowledge in best practices of software management, maintenance and documentation

- Configure and manage IMS in a parallel sysplex environment

- Develop innovation, strategies, processes and best practices in IMS systems programming

- Troubleshooting and solving of IMS System and database issues

- Evaluating change requests and determine impact to assigned clients

- Troubleshooting and solving production database issues

- Strong JCL skills

- Database Administration

- Knowledge of IMS database organization using access methods of VSAM and OSAM

- Full function database organization types: HSAM, HISAM, SHISAM, HDAM, HIDAM, INDEX, GSAM

- Definition and use of LOGICAL databases: HALDB (partitioned): PHDAM, PHIDAM, ILDS, PSINDEX, etc.

- Knowledge of Fast Path databases (DEDBs)

- Database Design and related utilities

- DBD source coding and DBDGEN

- PSB source coding and PSBGEN

- How databases are processed using secondary indexes (PROCSEQ=)

- Correct usage of PROCOPT= to minimize database locking

- Understanding of path calls

- Understanding of bi-directional logical relationships
- Understanding and use of Data Set Groups

Other Qualifications

- Reviewing new versions of IMS for functionality, advising how they benefit the client

- Vendor consultations for problems and questions

- DR recovery of application objects

- IMS commands related to ACB and FORMAT changes

- Coding