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Added 16 mins ago
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Spécialiste des outils digitaux - Publications Techniques / Digital Tools Business Specialist - Technical Publications
Airbus Aircraft
Montreal, QC
- Full-time
Added 31 mins ago
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Quality Assurance Specialist
Raytheon
Ottawa, ON
- Full-time
We are presently seeking a Quality Assurance Specialist to play a critical role in maintaining and enhancing our AS9100 and ISO 9001 Quality Management System (QMS). The ideal candidate…
Added 31 mins ago
DM
Control Systems Technical Specialist II
Discovery Mining Ltd
South Porcupine, ON
- Temporary
The Control Systems Technical Specialist II is a member of the Metallurgy team and is responsible for maintaining and improving the availability and integrity of the site industrial control…
Added 46 mins ago
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Support Specialist - AI Applications
Marsh
Toronto, ON
- Full-time
…includes handling user-facing production issues, requests, and data or information needs, as well as collaborating on vulnerability remediation and other support escalations. A key focus is…
Added 1 hour ago
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Analyst III GCMSMS (Food Testing) - Eurofins Experchem Laboratories, Inc.
Eurofins
Toronto, ON
- Full-time
Reporting directly to the Department Head, the GC-MS/MS Specialist (Analyst III) will be responsible for providing advanced technical support and analysis within the Food Chemistry team for…
Added 1 hour ago
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Scientific Specialist - Eurofins Experchem Laboratories, Inc.
Eurofins
Toronto, ON
- Full-time
The Scientific Specialist provides advanced scientific, technical, and operational leadership to support laboratory operations, research initiatives, and strategic business objectives.…
Added 1 hour ago
HT
Advanced Applications Blow Molding Specialist
Husky Technologies
Bolton, ON
- Full-time
Title: Advanced Applications Blow Molding Specialist
Added 2 hours ago
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ILS Specialist
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- $100,000 to $130,000 CAD / year
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…including Logistics Support Analysis, Configuration Management, Data Management, Obsolescence Management, and Technical Writing. As an ILS Specialist, you will ensure the reliability,…
Added 2 hours ago
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ILS Specialist
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Calgary, AB
- $100,000 to $130,000 CAD / year
- Full-time
…including Logistics Support Analysis, Configuration Management, Data Management, Obsolescence Management, and Technical Writing. As an ILS Specialist, you will ensure the reliability,…
Added 2 hours ago
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Procurement & NetSuite Specialist
Kelly
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- $65,000 to $70,000 USD / year
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Kelly is recruiting a Procurement & NetSuite Specialist for a manufacturing client in Waterloo. This hands-on opportunity combines purchasing and supplier management with maintaining the…
Added 2 hours ago
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Network Support Specialist
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Provide technical designs for network connectivity to Manitoba Hydro endpoints, data centers, on-premises, and in the cloud.
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Sr. Cloud Applications Developer (AS/400)
OpenText
Waterloo, ON
- Full-time
OpenText is seeking a highly motivated and technically skilled Senior AS/400 (IBM i) Application Support Specialist to join our Enterprise Applications team. This role is responsible for…
Added 2 hours ago
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Sr. Cloud Applications Developer (AS/400)
OpenText
Richmond Hill, ON
- Full-time
OpenText is seeking a highly motivated and technically skilled Senior AS/400 (IBM i) Application Support Specialist to join our Enterprise Applications team. This role is responsible for…
Added 2 hours ago
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Sr. Cloud Applications Developer (AS/400)
OpenText
Mississauga, ON
- Full-time
OpenText is seeking a highly motivated and technically skilled Senior AS/400 (IBM i) Application Support Specialist to join our Enterprise Applications team. This role is responsible for…
Added 2 hours ago
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Snr Talent Acquisition Business Partner
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Vancouver, BC
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Added 3 hours ago
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Reliability Planner
Maple Leaf Foods Inc
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- $71,000 to $103,000 CAD / year
- Part-time
The Specialist, Asset Reliability Planning role at Heritage will be responsible for the development and implementation of a Proactive Maintenance Program based on sound reliability centered…
Added 3 hours ago
OW
Oliver Wyman- Private Capital/Industrials- Engagement Manager
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Toronto, ON
- Other
…post-transaction value realization. At Oliver Wyman, we take a multi-specialist approach to our engagements, bringing teams comprising both deep industry and functional expertise, supported…
Added 3 hours ago
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Oncology, Therapeutic Specialist (Ontario West & MB/SK)
AbbVie
Toronto, ON
- $112,000 to $162,000 CAD / year
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AbbVie Canada is looking to hire an Oncology, Therapeutic Specialist to join our Oncology commercial sales team. The Oncology, Therapeutic Specialist role will focus on Oncologists treating…
Added 3 hours ago
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Industrial Hygiene Specialist [SK-15217]
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A leading manufacturing organization is seeking an Industrial Hygiene Specialist to support a complex Ontario-based operation. This is an opportunity to lead occupational-hygiene and…
Added 3 hours ago
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Community & Industry Engagement Specialist
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SK
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Added 4 hours ago
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Inventory Specialist
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Added 4 hours ago
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Technical Solutions Specialist
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- Full-time
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The Technical Solutions Specialist is part of BusPlanner's Projects team and provides hands-on technical troubleshooting, configuration, and implementation support across the BusPlanner…
Added 4 hours ago
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Therapeutic Specialist, Virology, Montreal and surrounding
AbbVie
Montreal, QC
- Full-time
…valued? AbbVie Canada is looking to connect with a Therapeutic Specialist to join our commercial sales team in our Virology division. This role will be based in Montreal and this territory…
Added 4 hours ago
S
Inventory & Procurement Specialist- Calgary
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Calgary, AB
- Full-time
Leverage Oracle/ERP systems to troubleshoot purchase order, receiving, and master data issues to improve invoice processing efficiency.
Added 5 hours ago
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Junior Building Design (CSA) Specialist
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TEKFORTUNE INC

IBM z/OS Mainframe Performance Specialist

Toronto, ON, Canada

Contract

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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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