Mainframe MQ & z/OS Systems Programmer – Remote

Harris Computer

Ottawa

Remote

CAD 90,000 - 105,000

Full time

14 days+

A complete application in a minute

Tailored resume and cover letter, ready to send.

Get past ATS filters

Job summary

Harris Computer is seeking a skilled Mainframe WebSphere MQ & z/OS Systems Programmer to support, maintain, and upgrade enterprise-scale mainframe environments in a 24x7 setting across North America. The role emphasizes stability, security, and performance of MQ on z/OS, with involvement in RACF security, automation, storage, monitoring, and subsystem upgrades.

The ideal candidate has deep hands-on experience in multi-LPAR environments and has supported major financial institutions and large

Qualifications

Extensive hands-on mainframe experience with WebSphere MQ on z/OS.
Strong knowledge of RACF security and access controls.
Experience upgrading and maintaining z/OS subsystems (CICS, IMS).
Ability to design automation and monitoring around mainframe environments.
Familiarity with storage utilities (DASD/DFSMS) and SMP/E maintenance.

Responsibilities

WebSphere MQ administration on z/OS; troubleshoot and upgrade MQ components.
Maintain, upgrade, and secure mainframe environments across LPARs.
Implement MQ health checks and integrate with automation (CA-OPS/MVS).
Configure RACF/ACF2/Top Secret security profiles and ensure regulatory compliance.
Maintain z/OS and subsystems; perform SMP/E maintenance and migrations.
Develop Rexx, CLIST, PL/I, COBOL utilities for automation and reporting.
Create JCL for backups, migrations, and maintenance tasks.
Work with enterprise clients to deliver reliable mainframe services.