Senior IMS Mainframe Systems Programmer

Ensono; Boston (MA); On-site; USD 85,000 - 148,000; Full time

Benefits offered by this job

Unlimited Paid Days Off

Health plan options

401k with company match

Dental/vision and disability coverage

Fertility and family-forming benefits

Education reimbursement or student aid

Job summary

Ensono is seeking an experienced IMS Systems Programmer to provide premium mainframe support for z/OS environments, focused on IMS and related OEM software. The role requires extensive IMS administration expertise and the ability to operate on a 24/7 schedule across time zones.

You will drive customer migrations, optimize IMS configurations, and collaborate with project managers to clear technical hurdles while following Ensono’s change control processes.

Qualifications

• Bachelor's degree or equivalent work experience.
• 10+ years of professional IMS administration and systems programming experience.
• Experience with IMS in a parallel Sysplex environment is required.
• Strong skills in JCL, DBDS/DBDGEN, PSBGEN, and IMS database design.
• Knowledge of VSAM, OSAM, and IMS data sets and indexing.

Responsibilities

• Provide premium IMS mainframe support for z/OS customers.
• Offer 24x7x365 production support across multiple time zones.
• Install IMS software products following best practices and Ensono standards.
• Support customer migrations and transitions related to IMS and OEM products.
• Assist project managers to meet migration timelines and resolve technical hurdles.
• Coordinate with Disaster Recovery Services for DR planning and execution.
• Adhere to ITSM change control procedures and scheduling constraints.

Skills

JCL

IMS

DB2/IMSDB

Troubleshooting

System programming

Production support

Vendor coordination

Disaster recovery

Education

Bachelor's degree or equivalent

Tools

CA IMS tools

IBM IMS tools

Job description

Ensono is seeking an experienced IMS Systems Programmer to provide premium mainframe support for z/OS environments, focused on IMS and related OEM software. The role requires extensive IMS administration expertise and the ability to operate on a 24/7 schedule across time zones.

You will drive customer migrations, optimize IMS configurations, and collaborate with project managers to clear technical hurdles while following Ensono’s change control processes.