Senior Mainframe Systems Programmer - zOS

Posted Jul 13, 2026

EnsonoRemote - United StatesRemotefull_timesenior

$85,000 – $148,000 USD

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Tech Stack

Z/OsSmp/ETso/IspfSdsfJclUnix System ServicesDb2CicsIms

Solid badges = required, outlined = preferred

Responsibilities

Install, test, and implement new z/OS operating systems and other system software.
Monitor, tune, and debug systems software to resolve technical issues and optimize applications.
Provide thought leadership and technical guidance for automation strategies and key project initiatives.
Participate in the team on-call schedule for incident and problem resolution.
Configure and customize system parameters, including PARMLIB and JES2 setup.

Soft Skills

Written CommunicationVerbal CommunicationTeamworkProblem SolvingMentoring

Benefits

401k
Dental
Disability Insurance
Flexible Hours
Gym/Wellness
Health Insurance
Life Insurance
Parental Leave
Sabbatical
Tuition Reimbursement
Unlimited PTO
Vision

Culture

Inclusive HiringPay TransparencyFlexible HoursCross-Functional TeamsOn-Call Rotation

Requirements

Required: Bachelor’s degree required and/or equivalent work experience

Regions: Us

About Ensono

Industry: saas

Size: large

Ensono is a hybrid IT services provider that manages complex enterprise IT environments, helping clients leverage modern infrastructure and technologies.

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Compensation

Base salary: $85,000 – $148,000 USD

Equity: Associate Equity Appreciation Program

Bonus: Annual bonus plan based on company and individual performance

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