Technology Architect

Assignment: RQ11128 - Technology Architect - Senior Job Title: Technology Architect Requisition (SS): RQ11128 Start Date: 2026-06-01 Client: Infrastructure Technology Services End Date: 2027-03-31 Organization: Infrastructure Technology Services Ministry: Ministry of Public and Business Service Delivery and Procurement # Business Days: 207.00 5 days onsite Must Have:

• 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 build reports and view data from these tools.

Description

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.
• 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.
• 2. 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.
• 3. Plan, configure and support installation of new Mainframe hardware platform
• 4. 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.
• 5. Provide migration support for Mainframe software, networking components
• 6. Provide decommissioning support for Mainframe software and program products
• 7. 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.
• 8. You can demonstrate a minimum of 7 years' experience in Mainframe Performance/Capacity Management roles. You also have
• 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 build reports and view data from these tools.

Evaluation Breakdown

1. Enterprise Tier 4 Mainframe Infrastructure experience - 30%

• 10+ years experience providing oversight to support mainframe infrastructure.
• Demonstrated experience overseeing Mainframe Performance and Capacity for refresh and transition activities, as well as team resources associated with the migration.
• Demonstrated experience with replacement of large enterprise complex services and hardware at large critical locations.
• Demonstrated experience and in-depth knowledge of modern Data Centre service models combined with a solid background in contemporary Data Centre approaches.

2. Recent Experience - 10%

• Within 3 years.

3. Documentation and Skills Communication - 15%

• Demonstrated experience with assisting transition and refresh.
• Demonstrated experience in change management activities.
• Demonstrated ability for strong documentation and writing skills.

4. demonstrated knowledge with Mainframe Performance and Capacity Management in a support and Project Management role - 15%

• Demonstrated knowledge and operational support experience with Mainframe in a large scale environment similar as the Government of Ontario and 10+ years demonstrated experience in complex projects related to data center uplifts and hardware/software migrations.