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RQ11128 - Technology Architect - Senior

Company: A.T. Consulting & Recruiting Inc.

Location: toronto, London

Posted: June 06, 2026

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Position Details

Overview

demonstrated a minimum of 7 years' experience in Mainframe Performance/Capacity Management roles.

Experience with interactive capacity management tools including MICS, RMF and other ISV tools.

Strong understanding and can demonstrate experience working with SMF data .

Performed capacity requirement assessments for CPU upgrades and refreshes including the ability to perform ‘what-if’ impact models.

Past experience reconciling mainframe billing for ISV workloads .

Experience performing complex calculations to estimate workload impacts in terms of MIPS and/or MSUs across a multi-partitioned environment.

Understand zIIP utilization .

Experience with SAS Programming.

Ability to proactively identify CPU cost-savings opportunities.

A firm understanding of IBM Mainframe CPU concepts including CBUs and CoD , and you can configure mainframe tools such as MICS, RMF to buil...