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Added 5 days ago
GT
Consultant, Site Reliability Engineering
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- $65 to $72 CAD / hour
- Contract
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Kafka Developer
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- $100,000 to $130,000 CAD / year
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Added 5 days ago
Capacity and Performance Manager
Atos
Mississauga, ON
Added 5 days ago
TD
Associate, Strategic Finance & Analytics
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Added 5 days ago
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Added 5 days ago
KI
Intern Cloud Developer, Platform Engineering
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…automation to simplify complex processes. As a Co-op/Intern Cloud Developer, Platform Engineering within the Cloud Engineering Team, you will learn about how DevOps, automation, CI/CD…
Added 5 days ago
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Added 5 days ago
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Added 5 days ago
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Web Developer
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Added 5 days ago
A
Capacity and Performance Manager
Atos
Canada
- Full-time
Added 5 days ago
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AI Python Engineer
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Added 5 days ago
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Senior Full Stack Developer
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Added 5 days ago
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Java Developer
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We are seeking a hands-on, experienced Java Developer with a proven track record in building large-scale, distributed systems. This role offers exciting opportunities to work on high-impact…
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SRE/DevOps Engineer (Digital Certificate Management)
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Added 5 days ago
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DevOps Engineer
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- $121,700 to $132,672 CAD / year
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Added 5 days ago
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Production Support Analyst
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Added 5 days ago
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Atos

Capacity and Performance Manager

Canada

Full-time

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Job details

Job type: Full-time
Posting language: English
Posted: Oct 20, 2026

Original job description

Capacity and Performance Manager

Position Summary

The Capacity and Performance Manager ensures that mainframe capacity and performance meet current and future business needs while optimizing cost and resource utilization. This role analyzes capacity and performance data, trends, incidents, thresholds, and forecasts to proactively identify constraints and prevent system overload.

The role ensures that IT component capacity is sufficient to meet required service levels, optimizes utilization of existing resources, and provides recommendations to the GTD Capacity Coordinator and Capacity Director regarding capacity requirements, demand forecasts, performance improvements, and appropriate service levels.

Responsibilities

Perform capacity planning as needed, typically for specific hardware or software platforms.
Gather and analyze business demand, workload, utilization, and forecast data required to develop capacity plans.
Review capacity and performance reports, assess risks and opportunities, and recommend actions to the Capacity Director or GTD Capacity Coordinator.
Create and adapt capacity assessment criteria and alert thresholds.
Ensure that monitoring levels for resource capacity and system performance are adequate and that data recorded in capacity management databases are kept up to date and utilized by the capacity management process.
Determine the most appropriate forecasting methods and implement them.
Forecast trends in component usage based on available data.
Identify, interpret, and disseminate information used in the capacity decision-making process.
Participate in the development of capacity plans by evaluating forecasts and identifying capacity needs based on the scheduled timeline.
Monitor trends in component utilization and report capacity variances.
Produce technical and management reports at regular intervals detailing actual component utilization, trends, and forecasts.
Monitor the potential effects of software and middleware on hardware utilization, or vice versa, to determine performance management service levels.
Evaluate new hardware and software that could improve the efficiency of the capacity management process.
Verify that reliability, availability, and disaster recovery requirements are considered in capacity planning activities.
Reduce software costs (4RHA, MSU).
Maximize the use of existing resources (zIIP, WLM).
Obtain performance and capacity information to facilitate incident or problem resolution or to analyze the impact of changes.
Identify trends, variances, and ways to address them.
Develop a capacity plan that enables the achievement of capacity management process objectives.
Proactively generate a forecast report, based on past trends, to anticipate volume and upcoming peaks.

Experience

Degree or equivalent experience in Computer science, systems, or related field.
5+ years in a z/OS mainframe environment
Languages: English – Fluent; French – Fluent (professional working proficiency)
Experience in capacity planning, performance, or operations
Experience in mission-critical environments (public sector or large enterprises)

Key technical skills

z/OS (architecture, LPAR, PR/SM)
SMF/RMF data analysis
WLM (Workload Manager)
Advanced concepts:
CPU / MSU / R4HA
I/O, memory, paging
Tools:
MXG / Excel / Power BI
OMEGAMON or equivalent tools

Analytical skills

Trend analysis and capacity forecasting
Rapid identification of capacity constraints
Ability to model scenarios (growth, projects)
Strong ability to synthesize information for decision-making

Business acumen

Understanding of IBM software costs (MSU-based)
Ability to optimize cost vs. performance
Contribution to investment decisions (upgrades, optimization)

Leadership & Soft Skills

Takes ownership of capacity and performance outcomes, driving actions through completion to achieve service, performance, and cost objectives.
Anticipates capacity and performance risks, identifies root causes, and implements solutions before service or business operations are impacted.
Uses data and sound judgment to prioritize issues, evaluate trade-offs, and recommend timely, effective actions.
Builds alignment across technical and business teams to drive decisions, resolve issues, and deliver measurable improvements.

Preferred Experience

Formal mainframe training or relevant technical certifications.
Experience with z15 / z16
zIIP optimization / offloading
Advanced tools (zBNA, IntelliMagic, BMC AMI OPS)
Automation / scripting (REXX, Python)"

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More about this job

Responsibilities

Plan and forecast mainframe capacity, analyze utilization and performance trends, and identify constraints before they affect service levels. Recommend and implement actions to optimize resources and software costs, support incident and change analysis, and provide capacity reports and plans to technical and business stakeholders.

Requirements

Requires a degree or equivalent experience in computer science, systems, or a related field, plus at least five years in a z/OS mainframe environment and experience in capacity planning, performance, or operations. Candidates should have strong z/OS, SMF/RMF, WLM, forecasting, and analytical skills; English and French fluency are specified, while mainframe certifications, z15/z16, advanced tools, and scripting are preferred.

Skills

Mainframe Capacity Planning
Performance Management
z/OS
LPAR
PR/SM
SMF/RMF Data Analysis
Workload Manager (WLM)
CPU and MSU Optimization
I/O and Memory Analysis
MXG
Excel
Power BI
OMEGAMON
Trend Analysis
Capacity Forecasting
REXX and Python Scripting

Visa sponsorship

Not detected in the job text

Keywords

z/OS
Mainframe
Capacity Planning
Performance Management
LPAR
PR/SM
SMF/RMF
Workload Manager (WLM)
CPU
MSU
R4HA
I/O
Memory
Paging
MXG
Excel
Power BI
OMEGAMON
z15
z16
zIIP
zBNA
IntelliMagic
BMC AMI OPS
REXX
Python
Capacity Forecasting
Trend Analysis
Disaster Recovery
Cost Optimization

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