Find work in Canada.

622,059 jobs across our Canadian network. How we count

Jobs in Canada

Email me new jobs Save this search

Added 18 days ago
A
Mechanical Engineering Intern (January - April 2027)
Arup
Toronto, ON
- Full-time
Computer programming languages (e.g., Dynamo, Python, Grasshopper)
Added 18 days ago
C
Expert System Architecture - Google Cloud Platform and Gemini Entreprise-CA
CN
Toronto, ON
- Full-time
Build, deploy, and operate custom AI agents using Agent Development Kit (ADK), Agent Studio, Agent Runtime, Python, APIs, and Model Context Protocol (MCP).
Added 18 days ago
E
Sr. Backend Engineer - Test Automation
eBay
Toronto, ON
- Full-time
You'll help establish a developer-owned quality culture, ensuring that testing is built into the development lifecycle rather than treated as a separate activity.
Added 18 days ago
F
Embedded Software Developer
Fortinet
Burnaby, BC
- Full-time
Experience with Python, Go, Bash, or another language used for automation, testing, or supporting services.
Added 18 days ago
AC
Développeur·euse C / Python
ALTEN Canada
Montreal, QC
- Full-time
Développer en C (logiciel côté système) et Python (compétences fortes requises)
Added 18 days ago
TC
Kafka Developer
Tata Consultancy Services
Mississauga, ON
- $100,000 to $130,000 CAD / year
- Full-time
…administrative and operational tasks using Shell scripting, Python, or other automation tools.- Ensure platform compliance with organizational security, governance, audit, and regulatory…
Added 18 days ago
Capacity and Performance Manager
Atos
Mississauga, ON
Added 18 days ago
TD
Associate, Strategic Finance & Analytics
Tetra Digital Group
Toronto, ON
- $125,000 to $175,000 CAD / year
- Full-time
Strong financial modelling and quantitative skills - advanced Excel and PowerPoint required; SQL or Python a plus
Added 18 days ago
Senior Cloud Security & DevSecOps Engineer
Capgemini
Toronto, ON
Scripting skills using Python, Bash, or PowerShell.
Added 18 days ago
KI
Intern Cloud Developer, Platform Engineering
Kinaxis Inc.
Ottawa, ON
- Internship
…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 18 days ago
GS
Spécialiste DevOps SRE (Senior)
Groupe SII
Montreal, QC
- Full-time
Maîtrise de Linux, Bash, Python, Jenkins, Git et des outils de monitoring
Added 18 days ago
SJ
Principal Associate, Software Engineering
So Jobs
Toronto, ON
- Full-time
Are you passionate about improving developer productivity, building modern engineering platforms, and leveraging AI-powered tools to transform how software is developed at enterprise scale?
Added 18 days ago
SI
Web Developer
Spait Infotech
Canada
- Full-time
Backend technologies such as Node.js, PHP, or Python
Added 18 days ago
A
Capacity and Performance Manager
Atos
Canada
- Full-time
Added 18 days ago
C
AI Python Engineer
Centraprise
Toronto, ON
- Contract
Strong hands-on experience with TypeScript, JavaScript, Node.js, Python, React, FastAPI, REST APIs, and WebSockets.
Added 18 days ago
K
Senior Full Stack Developer
KellyOCG
Montreal, QC
- $69 CAD / hour
- Contract
We’re seeking a senior, hands-on software developer to design, build, and maintain business applications. You’ll work across application development and production support, contribute to…
Added 18 days ago
ES
Python full stack Engineer
Epsilon Solutions Ltd.
Montreal, QC
- Contract
Python Overall 7 years of development experience with 5 years of handson experience in Python Proven ability to write optimized efficient and clean code
Added 18 days ago
S
Java Developer
Synechron
Montreal, QC
- $80,000 to $90,000 CAD / year
- Full-time
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…
Added 18 days ago
KG
SRE/DevOps Engineer (Digital Certificate Management)
K&K Global Talent Solutions INC.
Toronto, ON
- Full-time
Strong proficiency in Linux, with solid scripting skills in Python and/or Shell
Added 18 days ago
L
DevOps Engineer
LTM
Mississauga, ON
- $121,700 to $132,672 CAD / year
- Full-time
Experience in Automation of manual processes using Shell, Python scripts
Added 18 days ago
H
Production Support Analyst
Hays
Montreal, QC
- Contract
Hands-on experience with PL/SQL, Shell Scripting, Python, and Perl.
Added 18 days ago
LC
Staff Engineer
Loblaw Companies Limited
Brampton, ON
- Full-time
15+ years of experience in software engineering covering Java, Springboot, GoLang and Python.
Added 18 days ago
LC
Data Science Analyst
Loblaw Companies Limited
Brampton, ON
- Full-time
Strong proficiency in Python and SQL, with hands-on experience in data manipulation, exploratory data analysis, statistical modeling, machine learning development, and workflow automation.
Added 18 days ago
WD
Staff Software Engineer - USD Authoring
Walt Disney Animation Studios
Vancouver, BC
- $143,100 to $191,950 CAD / year
- Full-time
What does it mean to be a developer here at WDAS?
Added 18 days ago
TR
Senior Software Engineer
Thomson Reuters
Toronto, ON · Canada, Toronto, Ontario
- Full-time
…reliability, deployment velocity, operational maturity and developer experience. This role is ideal for an engineer who enjoys both building production software and improving how that…

Atos

Capacity and Performance Manager

Mississauga, ON, Canada

Apply About employer

Applications open in a new tab.

Job details

Posting language: English
Posted: Oct 20, 2026

Original job description

Atos is the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory requirements.

With more than 52,000 employees serving over 4,500 clients across 54 countries, Atos helps modernize core IT systems, accelerate cloud and data transformation, strengthen cybersecurity, and deliver secure digital workplace environments to support its clients, its employees and society. Atos also provides consulting and advisory services through its Atos Amplify brand. A trusted partner in operating complex and mission-critical environments, Atos supports organizations across highly regulated and sovereign contexts.

About Atos Group

Atos Group is a global leader in digital transformation with c. 54,000 employees and annual revenue of c. €7.2 billion, operating in 54 countries under two brands - Atos for services and Eviden for products and systems. European number one in cybersecurity and a leader in cloud, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is listed on Euronext Paris.

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
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)"

Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.

Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment.

Choose your future. Choose Atos.

Apply About employer

More about this job

Responsibilities

The Capacity and Performance Manager ensures mainframe systems meet business needs by analyzing data, trends, and forecasts to optimize resource utilization. They proactively identify constraints, manage thresholds, and provide actionable recommendations to leadership to maintain service levels and cost efficiency.

Requirements

Candidates must have at least 5 years of experience in a z/OS mainframe environment with a strong background in capacity planning and performance management. A degree in computer science or a related field is required, along with technical proficiency in tools like SMF/RMF, WLM, and various monitoring software.

Skills

Z/OS
Mainframe
Capacity Planning
Performance Management
SMF/RMF
WLM
CPU/MSU
MXG
Power BI
OMEGAMON
Trend Analysis
Forecasting
Data Analysis
System Optimization
IT Infrastructure
Risk Assessment

Visa sponsorship

Not detected in the job text

Keywords

Z/OS
Mainframe
Capacity Planning
Performance Management
SMF
RMF
WLM
CPU
MSU
R4HA
MXG
Power BI
OMEGAMON
Z15
Z16
ZBNA
IntelliMagic
BMC AMI OPS
REXX
Python
IT Infrastructure
Data Analysis
Forecasting
System Optimization
Risk Management
Cloud Transformation
Cybersecurity
Digital Services
Mission-critical
Hardware

Report this job