Technology Architect - Mainframe Performance

Role: Technology Architect – Mainframe Performance & Capacity Management

Client: Infrastructure Technology Services

Location: Toronto Ontario – Onsite

The candidate brings over 10 years of extensive experience supporting large-scale IBM Mainframe environments within enterprise and government organizations, specializing in Mainframe Performance, Capacity Management, Infrastructure Modernization, and Data Center Transformation initiatives.

Requirements

Key areas of expertise include:

• Over 10 years of hands-on experience providing operational oversight, administration, and support for Tier-4 enterprise Mainframe infrastructure environments.
  
• Extensive experience performing Mainframe Performance and Capacity Management activities, including capacity planning, workload forecasting, resource utilization analysis, and infrastructure optimization.
  
• Strong expertise working with IBM Mainframe performance tools including MICS, RMF, SMF, and various ISV capacity management solutions for monitoring, reporting, and trend analysis.
  
• Demonstrated experience analyzing SMF data and generating detailed capacity reports to support infrastructure planning, budgeting, and performance tuning initiatives.
  
• Proven ability to conduct CPU capacity assessments, hardware refresh evaluations, and "what-if" workload impact modeling to support strategic infrastructure decisions.
  
• Extensive knowledge of IBM Mainframe CPU technologies, including MIPS, MSUs, zIIP processors, Capacity Backup (CBU), and Capacity on Demand (CoD) concepts.
  
• Experience performing complex workload impact calculations across multi-LPAR and multi-partitioned enterprise environments.
  
• Strong background reconciling Mainframe software vendor billing, ISV workload charges, software licensing consumption, and capacity-based cost optimization initiatives.
  
• Proficient in SAS Programming for capacity reporting, performance analytics, trend forecasting, and executive-level reporting.
  
• Demonstrated success identifying and implementing CPU cost-saving opportunities through workload balancing, zIIP offloading, software optimization, and capacity management best practices.
  
• Experience supporting Mainframe hardware refresh projects, infrastructure modernization initiatives, software upgrades, migration programs, and disaster recovery implementations.
  
• Extensive involvement in Data Center transition activities, hardware/software migrations, and enterprise infrastructure transformation programs within mission-critical environments.
  
• Experience planning, configuring, supporting, and implementing new Mainframe hardware platforms and associated software products.
  
• Strong knowledge of Disaster Recovery (DR) planning, testing, readiness validation, recovery exercises, and business continuity operations.
  
• Proven experience managing incidents, problems, change requests, and operational support activities while maintaining strict Service Level Agreements (SLAs).
  
• Skilled in root cause analysis, technical troubleshooting, incident prevention, and development of operational procedures and best practices.
  
• Experience utilizing IBM and third-party vendor support tools for incident management, problem resolution, and software maintenance activities.
  
• Strong collaboration skills working with infrastructure teams, application development groups, operations teams, vendors, and business stakeholders to deliver enterprise technology solutions.
  
• Demonstrated ability to produce comprehensive technical documentation, capacity plans, operational procedures, migration strategies, architecture artifacts, and executive-level reports.
  
• Experience supporting large-scale government or public-sector environments with high availability, security, and operational compliance requirements.
  
• Strong communication, presentation, and stakeholder management skills with the ability to translate complex technical concepts into business-focused recommendations.
  

Benefits

Must Have:

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

· E xperience 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.

The candidate's background in Mainframe Capacity Management, Infrastructure Modernization, Data Center Refresh Programs, Disaster Recovery Planning, and Enterprise Operations Support makes them well aligned with the Government of Ontario's Technology Architect requirements.