We are seeking a Senior Mainframe System Programmer with deep technical expertise and hands-on experience to join our clients high-performing IT infrastructure team. This is a critical role supporting enterprise-grade mainframe systems, tools, and application environments across distributed and host systems.
Lead the installation, upgrade, and customization of z/OS ISV software in a multi-system mainframe environment.
Act as the primary SME for installing and maintaining:
CA Suite of Products
IBM Program Products
IBM WebSphere MQ for z/OS
SAS MXG
Omegamon Suite & Boxscore
Automation tools (SA/390, CA OPSMVS)
Provide comprehensive support to Application Development, IT Infrastructure, Operations, and Production Support teams.
Manage system performance, capacity planning, and hardware configuration to ensure high availability.
Maintain Disaster Recovery (DR) readiness and participate in DR exercises.
Use IBM and ISV support portals to manage issue tickets and resolutions.
Proactively monitor systems and implement improvements to prevent downtime.
Participate in 24x7 on-call rotations for critical support.
10–20 years of experience as a z/OS Mainframe System Programmer.
Expert knowledge of:
JCL, JES2, DFSMS, DFHSM, DFDSS, SDSF, DFSORT
TSO, ISPF/PDF
Proficiency with scripting and programming languages such as REXX and COBOL.
Strong working knowledge of:
CA Technologies tools: CA-VIEW, CA-DELIVER, SYSVIEW, EASYTRIEVE, CA-1, CA-7
EOS, FOLDERS, and additional ISV products
Familiarity with UNIX/Linux, Windows, and optionally z/VM.
Skilled in performance tuning, capacity management, and root-cause analysis.
We are committed to hiring military and Veteran spouses and encourage you to identify your connection with the MSEN when reaching out to us or applying to any of our open roles.
Have questions or want to learn more about us? We would love to hear from you!
Altis Recruitment Team
Email: militaryfamilies@altis.com
613-230-3700
Welcome on behalf on the Altis Recruitment team! Altis has a long-standing business relationship with the Defence community. For more than 30 years, we have been grateful to work alongside the Department of National Defence and countless military professionals. We know that family members of military personnel often make many personal sacrifices to support their loved ones. We understand that it can be difficult to pursue a career when embracing sudden changes like relocation and deployment. For some, this has meant putting a pause on career goals or professional development. We would like to provide you with everything you need for a successful and confident job search – in addition to access to job opportunities. Download the checklists our experts have created to help you be at your best from application to interview.