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RQ11128 - Sr. Technology Architect

Job in Toronto, Ontario, C6A, Canada
Listing for: Source Code
Full Time position
Listed on 2026-08-03
Job specializations:
  • IT/Tech
    Systems Engineer, Systems Administrator, IT Consultant, IT Infrastructure
Salary/Wage Range or Industry Benchmark: 121834 - 182752 CAD Yearly CAD 121834.00 182752.00 YEAR
Job Description & How to Apply Below

RQ11128 - Sr. Technology Architect

11-month contract (207 business days) - possible extension

ONSITE 5 days - Toronto

Must Have
  • Demonstrated a minimum of 10+ 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 ability to configure mainframe tools such as MICS, RMF to build reports and view data from these tools.
Deliverables

The Resource will act as subject matter experts on a variety of Mainframe performance and capacity analysis and reporting activities such as:

Enabling and supporting the day to day operations of the Government of Ontario's Mainframe performance and capacity disciplines to maintain KTLO activities and project work relating to the planning, installation, maintenance, upgrades of software products in support for post GDC Mainframe migration activities as well as the most recent Mainframe acquisition for Disaster recovery at our CO-LO site.

Key Responsibilities

This position will provide Performance and Capacity Operational Support for sustaining the day-to-day operations of Mainframe Software and program products.

In this role you will provide expertise to review and analyze mainframe resource and capacity data to ensure the most effective use of computing infrastructure and IMS/DB2 subsystems, author and update capacity plans for the mainframe platform, provide project input into mainframe refresh initiatives, and upgrades, provide support for mainframe vendor billing and inquiries from application teams.

You will also be responsible for preparing mainframe capacity assessments to application development and infrastructure teams for project related workload changes.

Provide and document incident analysis, resolution, and prevention, designing procedures and best practice techniques, using IBM and ISV online tools for opening and managing incident report tracking and resolution. You will participate in Mainframe DR Hardware installation project activities along with actively participating in periodic disaster recovery exercises, maintaining disaster recovery readiness of systems, and monitoring status of systems to proactively prevent incidents.

Plan, configure and support installation of new Mainframe hardware platform.

Collaborate with internal business partners in IT Operations, application development, Infrastructure, and IT Production Support to accomplish organizational goals that are consistent in supporting both IT and Business objectives. You will work directly with Hardware and Software vendors on solutions, build your network, and deepen existing relationships. You will leverage your verbal, written, and presentation communication skills to build strong partnerships.

Provide migration support for Mainframe software, networking components.

Provide decommissioning support for Mainframe software and program products.

Daily operational changes, Incident/problem management. Provide on call/standby support when required. Closure of tickets in a timely manner, Keeping clients/management up to date on ticket status.

Must adhere to Service Level Agreement (SLA) metrics, device maintenance. Providing technical MOP for all changes, ability to provide acquire system captures and articulate/document capture and point or root cause.

Qualifications

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…

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