Remote z/OS Mainframe Systems Programmer (Senior)

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

Benefits offered by this job

Unlimited Paid Days Off

401k with company match

Education Reimbursement

Job summary

Ensono is seeking a Senior Mainframe Systems Programmer to support ongoing projects involving installation, testing, and implementation of new z/OS operating systems and related system software. You will monitor, tune, and maintain z/OS components, with a focus on reliability and performance.

The role emphasizes on-call incident resolution, change control, and collaboration across teams. Qualified candidates have extensive mainframe experience, strong problem-solving abilities, and excellent

Qualifications

• Requires minimum 10+ years in a mainframe environment
• Bachelor’s degree or equivalent work experience
• Knowledge of z/OS installation and maintenance including SMP/E
• Working knowledge of TSO/ISPF, SDSF, JCL
• USS file system management and security
• Able to work well as a team member
• Stress resistant for major incidents or emergencies
• Strong interpersonal, verbal and written communication skills
• Customer service skills at management level
• Good planning and organizational skills
• Initiative and fast learning abilities

Responsibilities

• Participate in On-call Schedule
• Incident / Problem resolution
• Configuration and customization of z/OS environments
• PARMLIB configuration and JES2 customization
• Support in solving problems and implementing changes on z/OS environments
• Communication with vendors
• Participation in technical projects

Skills

z/OS knowledge

analytical skills

problem solving

team player

communication skills

Education

Bachelor’s degree or equivalent

Tools

TSO/ISPF

SDSF

JCL

Unix System Services (USS)

Job description

Ensono is seeking a Senior Mainframe Systems Programmer to support ongoing projects involving installation, testing, and implementation of new z/OS operating systems and related system software. You will monitor, tune, and maintain z/OS components, with a focus on reliability and performance.

The role emphasizes on-call incident resolution, change control, and collaboration across teams. Qualified candidates have extensive mainframe experience, strong problem-solving abilities, and excellent