Remote Mainframe CICS & z/OS Specialist

Ensono; Downers Grove (IL); Hybrid; USD 90,000 - 130,000; Full time

Benefits offered by this job

Unlimited Paid Days Off

Health plan options

401k with company match

Dental, Vision, Disability & Life

Fertility/Adoption reimbursement

Paid parental leave

Education reimbursement

Sabbatical leave

Job summary

Ensono is seeking a senior mainframe support professional to provide premium CICS TS and OEM product assistance to our z/OS clients. The role emphasizes on-call availability, rigorous problem-solving, and cross-functional collaboration to ensure smooth migrations and disaster recovery readiness.

You will work with Ensono teams across time zones, adhering to best practices, and contributing to ongoing installation, maintenance, and operational improvements of z/OS environments.

Qualifications

• Bachelor’s degree or equivalent work experience.
• 5+ years experience on the zSeries (mainframe) platform including hands-on installation and maintenance of products related to CICS TS and OEM product support.
• Thorough working knowledge of CICS TS concepts, configuration and tailoring.
• Strong working knowledge of IBM SMP/E.
• Experience with monitoring tools for CICS TS regions.

Responsibilities

• Fulfill CSOs for mainframe z/OS customers related to CICS TS and OEM software.
• Provide primary support for reported CICS TS problems.
• Provide 24 x 7 x 365 support across multiple time zones.
• Follow procedures for installing OEM software products using Ensono standards.
• Assist in preparing customer partitions for OS upgrade cycles using checklists.
• Support customer migrations and transitions related to CICS TS and OEM products.
• Coordinate disaster recovery tasks with DR services.
• Adhere to schedule to optimize resources and timely implementations.
• Follow ITSM change control procedures for fixes and upgrades within z/OS products.

Skills

Mainframe z/OS

CICS TS

OEM product support

SMP/E knowledge

Analytical skills

Communication skills

Independent worker

Team player

Education

Bachelor’s degree or equivalent

Job description

Ensono is seeking a senior mainframe support professional to provide premium CICS TS and OEM product assistance to our z/OS clients. The role emphasizes on-call availability, rigorous problem-solving, and cross-functional collaboration to ensure smooth migrations and disaster recovery readiness.

You will work with Ensono teams across time zones, adhering to best practices, and contributing to ongoing installation, maintenance, and operational improvements of z/OS environments.