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Added 35 mins ago
Engineering Manager, Software
General Dynamics Missions System International
Dartmouth, NS · Ottawa, Ontario
$122,000 to $155,000 CAD / year
Full-time
Our Canadian Air team is seeking a Software Engineering Manager to lead a group of talented developers. The successful candidate will oversee the day-to-day operations of the Software team…
Added 50 mins ago
Medical Radiation Technologist II
Alberta Health Services
AB · Greater Edmonton Metropolitan Area
Part-time
As a Medical Radiation Technologist (MRT) II, you will perform specialized technical radiological imaging examinations on patients for the purpose of disease and pathology diagnosis. You…
Added 50 mins ago
Medical Radiation Technologist II
Alberta Health Services
AB · Greater Edmonton Metropolitan Area
Part-time
…and supplies over 50 lbs. The position also requires wearing lead aprons for extended periods, up to a minimum of 6.75…
Added 50 mins ago
Medical Radiation Technologist II
Alberta Health Services
AB · Greater Edmonton Metropolitan Area
Part-time
As a Medical Radiation Technologist (MRT) II, you will perform specialized technical radiological imaging examinations on patients for the purpose of disease and pathology diagnosis. You…
Added 50 mins ago
Medical Radiation Technologist II
Alberta Health Services
AB · Greater Edmonton Metropolitan Area
Temporary
As a Medical Radiation Technologist (MRT) II, you will perform specialized technical radiological imaging examinations on patients for the purpose of disease and pathology diagnosis. You…
Added 50 mins ago
Canada Financial Controller
DLF - BV
Kawartha Lakes, ON · Lindsay, ON
Full-time
Lead the Canadian Finance team and oversee accounting, financial reporting, payroll, treasury, taxation, and financial controls.
Added 1 hour ago
Solutions Delivery Manager
Trackunit
London, ON
Full-time
…construction data. As Solution Delivery Manager for AME, you’ll lead the regional team helping customers successfully implement and adopt Manager and…
Added 1 hour ago
Sales Executive
Roomnexa Technologies
Field, ON
Full-time
Role-specific conversation - portfolio review for design, technical discussion for engineering, or scenario-based discovery for sales.
Added 1 hour ago
Property and Facilities Manager
Camp Kadesh
Christopher Lake, SK
Full-time
…long-term projects. This person should have a diverse background of technical experience, with confidence and patience to solve problems as they…
Added 1 hour ago
Senior Embedded Software Designer
Kepler Communications Inc.
Toronto, ON
Full-time
…we’re committed to creating an environment where you can grow, lead, and make a global…
Added 1 hour ago
Project Engineering Manager
AtkinsRéalis
Montreal, QC
Full-time
The Project Engineering Manager will join the Engineering Management practice within the Technical Professional Organization (TPO) of Engineering Services Canada. The Project Engineering…
Added 1 hour ago
Senior Project Coordinator – Architectural Envelope
AtkinsRéalis
Toronto, ON
Full-time
…the project lifecycle. Working closely with the Construction Lead, Construction Managers, Design Teams, Subcontractors, and Stakeholders. The successful candidate will ensure…
Added 1 hour ago
I&C Lead Engineer
AtkinsRéalis
Mississauga, ON
Full-time
Lead a team of I&C engineers to prepare I&C related tasks and deliverables.
Added 1 hour ago
Manager, Fire Safety - Eastern Canada
AtkinsRéalis
Ottawa, ON · Montreal, QC · Quebec, QC
Full-time
Demonstrated ability to lead technical teams, support employee development, and foster a collaborative and high-performance culture.
Added 1 hour ago
Systems Integration Engineer
AtkinsRéalis
Montreal, QC · Quebec, QC
Full-time
Able to lead discussions with partners, customers, and suppliers, and interact with technical experts in a delivery management capacity.
Added 1 hour ago
Senior Plant Controls Systems Engineer
AtkinsRéalis
Mississauga, ON
Full-time
Acts as project technical lead, has prime technical and commercial interface with the client and internal engineering and commercial groups on projects of substantial scale and complexity.
Added 1 hour ago
Infrastructure DBA
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Toronto Atria
Full-time
Join Sun Life's Data Management Services team as a SQL Server Infrastructure Database Administrator and lead the charge in modernizing our database infrastructure. You'll work across…
Added 1 hour ago
Designer - Men's Lifestyle Apparel
lululemon
Vancouver, BC
Full-time
…running, training, and other athletic pursuits. Setting the bar in technical fabrics and functional design, we create transformational products and experiences that support people in…
Added 1 hour ago
Salesforce Business System Analyst- Financial Services Cloud
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Toronto, ON
Full-time
A business-facing Program Manager who bridges strategy and technology - translating business needs into product features and driving them to launch. Not a technical/coding role.
Added 1 hour ago
Expression of Interest | Executive Assistant | Vancouver
lululemon
Vancouver, BC
Full-time
…running, training, and other athletic pursuits. Setting the bar in technical fabrics and functional design, we create transformational products and experiences that support people in…
Added 1 hour ago
Senior Process Engineer LNG
Airswift
Calgary, AB
Contract
Serve effectively in client facing roles, communicating technical information clearly and professionally
Added 1 hour ago
Solution Architect / Sales Engineer
TRSB Inc.
Montreal, QC
Full-time
Technical discovery & solution design - Lead technical deep-dives with prospects to map their content/translation/localization workflows to OTTO's four-pillar architecture, identifying the…
Added 1 hour ago
Associate Manager, Data Engineering
Avanade
Toronto, ON
Full-time
…Manager within Avanade's Data & AI practice, you'll combine technical leadership, consulting expertise, and delivery excellence to help clients modernize their data platforms and accelerate…
Added 1 hour ago
Production Manager
General Dynamics Missions System International
Ottawa, ON
Full-time
You will guide and lead in a dynamic team environment, interacting with teams across the organization such as Planning, Manufacturing and Test Engineering, Engineering, Supply Chain…
Added 1 hour ago
Manager, Production
I M P Group International Inc.
Amherst, NS
Lead the development of new and innovative reporting tools that will allow the organization to better identify opportunities for productivity and quality improvements

TechDoQuest

Infrastructure System Admin

Toronto, ON, Canada

Job type: Contract
Apply by: Oct 29, 2026
Experience: Extensive experience (7+ years) as a Middleware Administrator, with a strong focus on IHS and WAS.
Posting language: English
Posted: Sep 29, 2026

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Original job description

Description

This job posting is for an existing, active vacancy and we are looking to hire strong Infrastructure System Admin.

The Senior IHS/WAS Middleware Administrator is a technical leader responsible for the strategic planning, design, implementation, and ongoing management of IBM HTTP Server (IHS) and WebSphere Application Server (WAS) environments. This role requires deep expertise in middleware technologies, security architecture, and high-availability solutions. The Senior Administrator will lead efforts to ensure the stability, scalability, security, and optimal performance of the middleware infrastructure supporting critical business applications. They will also provide mentorship and guidance to junior administrators.

Job Title: Infrastructure System Admin

Location: Toronto, Ontario

Mode: Contract

Key Responsibilities:

Lead the design, implementation, and maintenance of complex IHS and WAS environments, including clustered and highly available configurations.
Develop and enforce middleware standards, policies, and procedures.
Provide expert-level troubleshooting and problem resolution for critical middleware issues.
Lead performance tuning and optimization efforts to ensure optimal application performance.
Design and implement security architectures for IHS and WAS environments, including authentication, authorization, and encryption.
Plan and execute middleware upgrades, patching, and migrations.
Automate middleware administration tasks using advanced scripting and automation tools.
Collaborate with development, infrastructure, security, and architecture teams to define and implement middleware solutions.
Mentor and provide technical guidance to junior middleware administrators.
Participate in on-call rotation and provide after-hours support as needed.
Evaluate and recommend new middleware technologies and tools.
Lead capacity planning and performance monitoring initiatives.

Qualifications:

Bachelor’s degree in computer science or a related field.
Extensive experience (7+ years) as a Middleware Administrator, with a strong focus on IHS and WAS.
Expert-level knowledge of IHS and WAS architectures, configuration, and administration.
Proven experience designing and implementing high-availability and disaster recovery solutions for IHS and WAS.
Deep understanding of security principles and best practices for middleware environments.
Strong scripting and automation skills (e.g., Python, Jython, Ansible).
Experience with monitoring and performance tuning tools (e.g., Dynatrace, AppDynamics, New Relic).
Excellent troubleshooting and problem-solving skills.
Strong communication and interpersonal skills.
Experience with Linux operating systems.
IBM Certified System Administrator - WebSphere Application Server Network Deployment or similar certification is highly desirable.

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More about this job

Responsibilities

Lead the design, implementation, security, maintenance, and optimization of IHS and WAS environments, including highly available configurations, upgrades, automation, and capacity planning. Resolve critical middleware issues, collaborate across technical teams, mentor junior administrators, and provide on-call support.

Requirements

Requires a bachelor’s degree in computer science or a related field and 7+ years of middleware administration experience focused on IHS and WAS. Candidates should have expertise in middleware architecture, high availability, disaster recovery, security, Linux, scripting and automation, monitoring, and performance tuning; an IBM WebSphere certification or equivalent is highly desirable.

Skills

IBM HTTP Server (IHS)
WebSphere Application Server (WAS)
Middleware Administration
High Availability
Disaster Recovery
Middleware Security
Performance Tuning
Troubleshooting
Python
Jython
Ansible
Linux
Dynatrace
AppDynamics
New Relic
Capacity Planning

Visa sponsorship

Not detected in the job text

Keywords

IBM HTTP Server (IHS)
WebSphere Application Server (WAS)
Middleware Administration
High Availability
Disaster Recovery
Security Architecture
Authentication
Authorization
Encryption
Performance Tuning
Capacity Planning
Performance Monitoring
Python
Jython
Ansible
Linux
Dynatrace
AppDynamics
New Relic
Middleware Upgrades
Patching
Migrations
Automation
Clustering
IBM Certified System Administrator
WebSphere Application Server Network Deployment
On-Call Support

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