Senior Mainframe CICS Systems Engineer – z/OS

ensono; United States; Hybrid; USD 65,000 - 123,000; Full time

Benefits offered by this job

Unlimited Paid Days Off

Health plan options

401k with company match

Dental and Vision coverage

Education reimbursement

Job summary

Ensono is seeking an experienced mainframe CICS support professional to provide premium service for z/OS customers and OEM software products. The role covers handling CSOs, troubleshooting, and coordinating with Disaster Recovery and upgrade activities to ensure smooth transitions.

You will join a team offering 24x7 coverage, requiring strong communication, analytical skills, and the ability to work independently or in collaboration with cross-functional teams across multiple time zones.

Qualifications

• Bachelor’s degree required or equivalent work experience.
• 5+ years experience on the zSeries mainframe platform with hands-on CICS TS and OEM product support.
• Strong knowledge of CICS TS concepts, configuration and tailoring.
• Experience with IBM SMP/E.
• Ability to monitor CICS TS performance and troubleshoot.
• Excellent communication for written, verbal and presentations.
• Ability to work independently or in a team.

Responsibilities

• Fulfill CSOs for mainframe z/OS customers related to CICS TS and OEM products.
• Provide primary support for reported CICS TS issues and OEM products.
• Offer 24x7x365 support across multiple time zones.
• Install OEM product updates per Ensono standards.
• Prepare customer partitions for annual OS upgrades with proactive tasks.

Skills

z/Series mainframe

CICS TS

SMP/E

Analytical thinking

Team collaboration

Multitasking under deadlines

Education

Bachelor’s degree or equivalent

Job description

Ensono is seeking an experienced mainframe CICS support professional to provide premium service for z/OS customers and OEM software products. The role covers handling CSOs, troubleshooting, and coordinating with Disaster Recovery and upgrade activities to ensure smooth transitions.

You will join a team offering 24x7 coverage, requiring strong communication, analytical skills, and the ability to work independently or in collaboration with cross-functional teams across multiple time zones.