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Added 4 hours ago
GA
Solutions Engineer Intern
Geekplus America Inc
Markham, ON
- Internship
…eventually lead multiple projects or workstreams with guidance from senior team…
Added 5 hours ago
HI
Senior Data Engineer/ETL Developer
HRbrain Inc.
Toronto, ON
- Full-time
1st Senior Data Engineer, 10+ years Experience
Added 5 hours ago
HI
Sr. Data Engineer
HRbrain Inc.
Toronto, ON
- Full-time
We are looking for a Senior Data Engineer to joint their Data & Analytics team within Data & Technology team, reporting directly to the Director of Data & Analytics.
Added 5 hours ago
H
Senior Java Engineer - Kafka & Distributed Systems
Hays
Toronto, ON
- Contract
We’re seeking an experienced Senior Java Engineer - Kafka & Distributed Systems with strong Core Java skills, proven expertise in data streaming (e.g., Apache Kafka, Apache Flink), and…
Added 5 hours ago
I
Senior DevOps Engineer
iCOUNTER
Remote, Canada
- $136,000 to $170,000 CAD / year
- Full-time
- Remote
As a DevOps Engineer, you’ll be a hands-on owner of the infrastructure and delivery systems behind our platform. That means architecting scalable, secure cloud environments, primarily on…
Added 6 hours ago
CC
Senior Salesforce Engineer
Canadian Cancer Society
Vancouver, BC
- Full-time
We are seeking a hands-on Salesforce Platform and AI Engineer to design, build, and scale secure, data-driven solutions that advance CCS’s mission. This role combines Salesforce…
Added 6 hours ago
A
Senior Software Engineer
AspiringIT
Kitchener, ON
- Full-time
Aspiring IT Inc. is seeking an experienced Senior Software Engineer to design, develop, integrate, and maintain scalable software applications and cloud-based systems.
Added 6 hours ago
V
Staff Information Security Engineer - Threat Detection & Response
Visier
Remote, Canada
- Full-time
- Remote
…the moments that matter most. As the market leader in people analytics, workforce planning, organizational design, and manager effectiveness solutions, we fuel smarter decision-making for…
Added 8 hours ago
Senior AI Engineer, IT Solutions 1 1 1
Celestica International LP
Toronto, ON
We are seeking a highly motivated and technically proficient AI Engineer to join our growing Data & Analytics team. In this role, you will be a key liaison between business stakeholders and…
Added 8 hours ago
Software Engineer, Backend
Lyft
Toronto, ON
…Learning Platform (MLP) team is seeking a backend Software Engineer to help build and operate our platform, which supports real-time, online, and offline ML model execution, development,…
Added 9 hours ago
C
IT Quality Engineer - AVP
Citi
Mississauga, ON
- Full-time
Citi is seeking an experienced IT Quality Engineer to lead quality assurance and test automation engineering for our Exchange Traded Derivatives (ETD) Clearing & Product Processor platforms.
Added 9 hours ago
Staff Software Engineer, Messaging Experience
Braze
Toronto, ON
We're looking for a Staff Engineer for our Messaging Experience team, responsible for building, maintaining, and evolving Canvas, our flagship product. That means supporting the…
Added 9 hours ago
A
Senior Java Software Engineer
Altis
Ottawa, ON
- $80 to $85 CAD / hour
- Contract
We are seeking an experienced Senior Java Developer to support a federal government initiative focused on strengthening Canada's cybersecurity capabilities. You'll contribute to the…
Added 9 hours ago
B
Staff Software Engineer, Messaging Experience
Braze
Toronto, ON
- Full-time
We're looking for a Staff Engineer for our Messaging Experience team, responsible for building, maintaining, and evolving Canvas, our flagship product. That means supporting the…
Added 9 hours ago
EC
Senior BI Analytics Engineer
Experis Canada
Markham, ON
- Contract
WE'RE HIRING: Senior BI / Analytics Engineer – Microsoft Fabric & Power BI (Direct Lake)
Added 10 hours ago
WT
Senior Java Software Engineer
Wissen Technology
Montreal, QC
- Full-time
…Engineering, Generative AI & Machine Learning, Real-Time Data Analytics & Insights, Interactive Data Visualization & Decision Intelligence, Intelligent Process Automation, Multi-Cloud &…
Added 10 hours ago
IS
Quality Engineer
ITMC Systems, Inc
Montreal, QC
- Full-time
Support the Program Lead in escalating blockers that require senior customer authority to resolve
Added 10 hours ago
M
Full Stack Engineer
Manulife
Toronto, ON · Waterloo, ON
- Full-time
You will work independently on most assignments while collaborating with senior engineers when addressing new or complex challenges. This role is well suited to an engineer who wants to…
Added 10 hours ago
R
Senior Platform Automation Engineer
RBC
Toronto, ON
- Full-time
Added 11 hours ago
ES
Senior Data Engineer
Exchange Solutions
Toronto, ON · Greater Toronto Area, Canada
- Full-time
The Senior Data Engineer reports to the Director, Information Technology Operations and designs, builds, and scales the data systems that support analytics, AI-enabled experiences, and…
Added 11 hours ago
PT
Quality Engineer
Precision Technologies
Montreal, QC
- Full-time
Support the Program Lead in escalating blockers that require senior customer authority to resolve
Added 11 hours ago
T
Senior Python Test Automation Engineer
Telesat
Ottawa, ON
- Full-time
We are seeking a senior Python Automation Engineer to design, build, and maintain scalable test automation frameworks for distributed, event-driven applications. This is a hands-on…
Added 11 hours ago
TC
Agentic AI Engineer
Tata Consultancy Services
Mississauga, ON
- $100,000 to $130,000 CAD / year
- Full-time
Senior years of software engineering experience, including 5+ years designing and building enterprise AI/ML platforms.
Added 11 hours ago
NB
Senior Data Engineer
National Bank of Canada
Montreal, QC
- Full-time
A career as a Senior Developer in Data Engineering on the Financial crime and regulatory projects team at National Bank means serving as a Data Analytics Specialist. This position allows…
Added 11 hours ago
C
Senior Project Manager – Operational Systems & Digital Solutions
CIMA+
Mississauga, ON · Toronto, Ontario
- $125,440 to $172,440 CAD / year
- Full-time
…what’s expected of us to meet the challenges of tomorrow and engineer a better…

TEKFORTUNE INC

IBM z/OS Mainframe Performance Specialist

Toronto, ON, Canada

Contract

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Applications open in a new tab.

Job details

Job type: Contract
Apply by: Dec 3, 2026
Posting language: English
Posted: Nov 3, 2026

Original job description

Title: IBM z/OS Mainframe Performance Specialist

Location: Toronto, Ontario, Canada

Work Model: Hybrid – 1–2 days onsite per week

Duration: 9 months (possible 3-month extension)

Industry: Banking / Financial Services (BFSI)

Job Description

We are looking for an experienced Senior IBM z/OS Mainframe Performance Specialist with strong expertise in IBM Workload Manager (WLM), mainframe performance tuning, capacity planning, IMS and Db2.

The ideal candidate will be responsible for assessing and optimizing enterprise IBM z/OS environments, improving workload management, monitoring system performance, and developing capacity management and forecasting strategies.

Key Responsibilities

Assess and analyze enterprise IBM z/OS mainframe environments across production, development, testing and disaster recovery LPARs.

Review and optimize IBM WLM policies, service classes, report classes, performance goals and workload priorities.

Perform mainframe performance tuning, CPU utilization analysis and resource optimization.

Develop and implement WLM optimization strategies to improve workload performance and system efficiency.

Perform capacity planning, forecasting and trend analysis for CPU, storage and system resources.

Analyze and optimize IMS transaction performance and Db2 workloads.

Develop and enhance enterprise performance reports covering LPAR performance, WLM goals, IMS response times, Db2 transactions and capacity trends.

Troubleshoot production performance issues, perform root-cause analysis and recommend corrective actions.

Provide technical advisory services, documentation and knowledge transfer to internal teams.

Required Technical Skills

Strong experience with IBM z/OS Mainframe environments.

Extensive hands-on expertise in IBM Workload Manager (WLM).

Expertise in WLM policy configuration, service classes, report classes and performance goals.

Strong mainframe performance tuning and optimization experience.

Experience in enterprise capacity planning and forecasting.

Strong IMS and Db2 performance analysis and optimization experience.

Experience with LPAR performance monitoring and CPU/storage utilization.

Strong analytical, troubleshooting and communication skills.

Preferred Experience

Banking or financial services industry experience.

Experience supporting large-scale enterprise mainframe environments.

Experience developing performance reporting and capacity management frameworks.

Experience providing technical consulting, recommendations and knowledge transfer.

Engagement Details

Nine-month engagement with potential extension.

Hybrid working arrangement with 1–2 days onsite per week in Toronto.

Occasional additional onsite attendance and after-hours support may be required.

The role involves four major deliverables covering performance assessment, WLM optimization, reporting and technical advisory services.

Ideal Candidate Profile

Candidates should have strong experience as a Senior z/OS Performance Engineer, IBM WLM Specialist, Mainframe Performance Consultant or Mainframe Capacity Planning Specialist.

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More about this job

Responsibilities

Assess and optimize enterprise IBM z/OS environments, including WLM policies, mainframe performance, IMS and Db2 workloads, and CPU and storage utilization. Develop capacity forecasts and performance reports, troubleshoot production issues, and provide technical recommendations, documentation, and knowledge transfer.

Requirements

Candidates need extensive hands-on experience with IBM z/OS and WLM, including policy configuration, service classes, report classes, and performance goals. Strong mainframe tuning, capacity planning, IMS and Db2 performance analysis, and communication skills are required; banking or financial services experience is preferred.

Skills

IBM z/OS
IBM Workload Manager (WLM)
WLM Policy Configuration
Mainframe Performance Tuning
Capacity Planning
Capacity Forecasting
IMS Performance Analysis
Db2 Performance Analysis
LPAR Performance Monitoring
CPU Utilization Analysis
Storage Utilization
Workload Optimization
Performance Reporting
Root-Cause Analysis
Troubleshooting
Technical Advisory Services

Visa sponsorship

Not detected in the job text

Keywords

IBM z/OS
IBM Workload Manager (WLM)
Mainframe
LPAR
WLM Policies
Service Classes
Report Classes
Performance Goals
Performance Tuning
CPU Utilization
Storage Utilization
Capacity Planning
Capacity Forecasting
Trend Analysis
IMS
Db2
Performance Reporting
Workload Management
Production Troubleshooting
Root-Cause Analysis
Disaster Recovery
Banking
Financial Services
Technical Consulting
Knowledge Transfer

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