Senior z/OS Mainframe Systems Programmer — Remote

Ensono; Columbus (OH); Remote; USD 85,000 - 148,000; Full time

Benefits offered by this job

Unlimited Paid Time Off

Health plan options

401k with company match

Dental, vision & disability coverage

Education Reimbursement or StudentLoan

Flexible work schedule

Job summary

Ensono is seeking a Senior Mainframe Systems Programmer to lead installation, testing, and deployment of new z/OS operating systems and system software. You will maintain, debug, and tune z/OS components, with strong focus on PARMLIB, JES2 customization, and cross-product integration.

The role requires extensive mainframe experience, strong analytical skills, and teamwork. Remote work is supported; salary ranges reflect US market norms and a robust benefits package.

Qualifications

• 10+ years of experience in a mainframe environment within a large enterprise
• Bachelor’s degree required and/or equivalent work experience
• Knowledge of z/OS and z/OS installation and maintenance including SMP/E
• Working knowledge of TSO/ISPF, SDSF, JCL
• Working knowledge of Unix System Services (USS) and security

Responsibilities

• Participate in on-call schedule
• Incident and problem resolution
• Configure and customize z/OS and related products
• Setup parameters and communicate with vendors
• Contribute to technical projects and ensure z/OS stability

Skills

Mainframe experience

Team collaboration

Communication skills

Analytical thinking

Education

Bachelor's degree or equivalent

Tools

TSO/ISPF

SDSF

JCL

USS

Job description

Ensono is seeking a Senior Mainframe Systems Programmer to lead installation, testing, and deployment of new z/OS operating systems and system software. You will maintain, debug, and tune z/OS components, with strong focus on PARMLIB, JES2 customization, and cross-product integration.

The role requires extensive mainframe experience, strong analytical skills, and teamwork. Remote work is supported; salary ranges reflect US market norms and a robust benefits package.