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Added 16 mins ago
Lead Infrastructure Support Engineer (Linux/Azure)
CIBC
Toronto, ON
Full-time
…and development teams across the bank. As an Infrastructure Engineer, you'll manage and modernize a complex environment across Linux, Windows, virtualization, co-located data centres, and…
Added 44 mins ago
Ingénieur Support Mainframe / Mainframe Support Engineer
mthree
Montreal, QC
Full-time
…Cyber et sécurité de l'information ; Science des données et…
Added 45 mins ago
Ingénieur Support Mainframe / Mainframe Support Engineer
mthree
Montreal, QC
…Cyber et sécurité de l'information ; Science des données et…
Added 1 hour ago
DevOps Engineer
Infosys
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Added 1 hour ago
Senior Dotnet Developer
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$90 to $100 CAD / hour
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The Senior Software Engineer Developer leads software application development, mentoring developers, and translating business needs into technical solutions. It focuses on improving system…
Added 2 hours ago
Technology Lead - Databricks Admin
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Familiarity with DevOps and CI/CD (GitHub Actions, Azure DevOps, Jenkins).
Added 3 hours ago
Junior Software Developer (contract position) / Développeur débutant de logiciels (poste contractuel)
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You will work as part of our development team under the guidance and mentoring of our Development Team Lead, alongside a Platform Engineer, a Business Analyst and a Cloud Network and…
Added 5 hours ago
Manager, Software Engineering
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Full-time
Lead or actively participate in cross-pod technical guilds (e.g., Frontend, AI/ML, DevOps)
Added 10 hours ago
Lead Site Reliability Engineer - Database Management
SimCorp
Toronto, ON
Full-time
Join some of the most innovative thinkers in FinTech as we lead the evolution of financial technology. If you are an innovative, curious, collaborative person who embraces challenges and…
Added 12 hours ago
Lead Infrastructure Architect
Financial Services Regulatory Authority of Ontario (FSRA)
Toronto, ON
Full-time
Certifications: Azure Solutions Architect Expert, Azure Administrator Associate, Azure DevOps Engineer Expert, Terraform Associate. Microsoft 365 Enterprise Administrator Expert, an asset.
Added 13 hours ago
Lead Software Engineer
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Richmond, BC
Full-time
We are seeking an out-of-the-box thinking Lead Software Engineer to join our innovative technical projects team. The ideal candidate will have strong expertise in; building code…
Added 13 hours ago
Senior Certificate Automation Engineer
Raise
Toronto, ON
Full-time
We at Raise are hiring a Senior Certificate Automation Engineer for one of our top clients. After establishing themselves as an industry leader, they’re now expanding their team to meet…
Added 17 hours ago
Quality Engineering III
TD
Toronto, ON
Full-time
Will act as a Software Development Engineer in Test (SDET) role or as Journey Test Lead partnering with Journey Solution Train Engineers (SLTE), Release Train Engineers (RTE), and Product…
Added 17 hours ago
AI DevOps Specialist (AI Enablement & Secure DevOps)
Celestica International LP
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Google Cloud Professional DevOps Engineer or Professional Cloud Architect
Added 17 hours ago
Senior Security Engineer - Identity and Access Management
Marqeta
Remote, Canada
Full-time · Remote
We’re seeking an experienced Senior Security Engineer with a strong passion for Identity and Access Management (IAM) and proven expertise in cloud-native environments, particularly AWS. In…
Added 17 hours ago
Quality Engineering III
TD
Toronto, ON
Full-time
Will act as a Software Development Engineer in Test (SDET) role or as Journey Test Lead partnering with Journey Solution Train Engineers (SLTE), Release Train Engineers (RTE), and Product…
Added 18 hours ago
Integrator engineer
Tata Consultancy Services
Montreal, QC
Full-time
1. Lead SecDesign deep dives with the requestor of the assessment.
Added 18 hours ago
Oracle EDQ Platform Engineer
Aptino, Inc.
Brampton, ON
$50 to $55 CAD / hour
Contract
We are looking for an experienced Oracle EDQ Platform Engineer to support the migration of Oracle Enterprise Data Quality (EDQ) from on-premises environments to Microsoft Azure Cloud.
Added 19 hours ago
Performance Test Engineer
Zodiac Solutions, Inc
Toronto, ON
Full-time
The Performance Test Lead drives the non-functional testing lifecycle, defining strategies for load, stress, spike, and endurance testing.
Added 19 hours ago
Development Security Specialist (Industrial Oil & Gas Applications)
Pengcorp Ltd.
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We are seeking a Senior Application Security & DevSecOps Engineer to establish, operationalize, and continuously improve our Secure Software Development Lifecycle (SSDLC) across enterprise,…
Added 19 hours ago
Technical Consultant III (35732)
Myticas Consulting
Toronto, ON
Full-time
Technical Consultant III (Software Engineer, Senior/Lead)
Added 19 hours ago
Senior QA Engineer III – Automation | Banking | API | Kafka | ETL (35729)
Myticas Consulting
Ottawa, ON
Full-time
Senior QA Engineer III – Automation | Banking | API | Kafka | ETL
Added 20 hours ago
Senior Security Platform Engineer - 100% Remote
Recrute Action
Toronto, ON
Contract
…documentation, implementation guides, and operational runbooks; lead knowledge-sharing and enablement sessions for…
Added 21 hours ago
Senior Data Engineer
fgf brands
Toronto, ON · Greater Toronto Area, ON
Other
We are seeking a Senior Data Engineer with deep expertise in designing and delivering scalable, real-time streaming as well as batch data pipelines and solutions using modern data platforms…
Added 22 hours ago
Quality Engineer III
TD
Toronto, ON
Full-time
Microsoft Certified: Azure DevOps Engineer Expert

mthree

Ingénieur Support Mainframe / Mainframe Support Engineer

Montreal, QC, Canada

Posting language: English · French
Posted: Sep 22, 2026

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Original job description

English section of this bilingual listing.

Want to work in technology at an investment bank?

We are looking for someone to be a part of a dynamic team as a Mainframe Support Engineer for one of our clients to support critical production mainframe applications, maintain operational reliability, troubleshoot incidents, and minimize downtime across our client's technology environment.

About mthree:

Since 2010, mthree has been helping clients solve their business and technological challenges. We are a technology and business consultancy with a global workforce delivering significant business and IT projects in some of the largest financial services organizations worldwide.

Core Services
Consulting and Advisory
Managed Services
Alumni Graduate Program
Alumni Pro Program

We have a global presence and are experts in delivering exceptional quality to our client base, providing consulting services across Risk, Regulation & Compliance; Vendor Products; Application Support; Application Development; Cyber & Information Security; Data Science and DevOps areas.

Our Expert program offers experienced professionals access to top roles in tech, finance, aviation and insurance. Join us to work on groundbreaking technology projects, from international trading platforms to critical applications for leading airlines. We recruit professionals who are eager to fast-track their careers in technology or operations within prestigious global organizations.

Responsibilities:

Monitor and manage production technology through alerts, incident resolution, problem management and user escalations.
Troubleshoot issues across applications, software, hardware and networks.
Respond to production tickets, system alerts and job failures.
Lead incident calls with technology and infrastructure teams.
Collaborate with developers and end users to resolve production issues.
Provide real-time recovery/status updates to senior stakeholders.
Identify process improvements in code and data workflows.
Work within a global follow-the-sun support model across Asia, EMEA and North America.
Participate in an on-call rotation, including possible weekend coverage.

Skills Required:

Background in Computer Science equivalent to a B.Sc. Equivalent practical experience is a reasonable substitute.
3-5 years of production support or similar experience.
UNIX/Linux
Shell, Python, Perl or JavaScript
Relational databases such as DB2, SQL, Sybase or PostgreSQL
Mainframe technologies: COBOL, JCL, VSAM, DB2
Debugging and coding production COBOL/DB2 applications.
Incident management and application troubleshooting.
Strong communication and analytical/problem-solving skills.

At mthree, our values support courageous teammates, needle movers, and learning champions all while striving to support the health and well-being of all employees. We take great pride in celebrating the diversity of each individual who contributes to making mthree the company it is today and will be in the future. We value diversity both within mthree and with our partner companies, and we're proud to provide an environment where all our colleagues can flourish. That means promoting a strong culture of equality but, most importantly, inclusion.

Applicants must be currently authorized to work in Canada on a full-time basis. The Company will not sponsor applicants for work visas.

Read the full bilingual original

**English version below**

Doit être local à Montréal

Vous souhaitez travailler dans le domaine de la technologie au sein d'une banque d'investissement?

Nous recherchons un(e) Ingénieur(e) Support Mainframe pour rejoindre une équipe dynamique chez l'un de nos clients. Ce poste consiste à assurer le support des applications mainframe critiques en production, à garantir la fiabilité opérationnelle des systèmes, à diagnostiquer et résoudre les incidents, ainsi qu'à minimiser les temps d'interruption au sein de l'environnement technologique de notre client.

À propos de mtrois :

Depuis 2010, mtrois aide ses clients à résoudre leurs défis commerciaux et technologiques. Nous sommes une société de conseil en technologie et en affaires avec une main-d'œuvre mondiale qui réalise des projets commerciaux et informatiques significatifs dans certaines des plus grandes organisations de services financiers du monde.

Services principaux

Consulting et Conseil
Services gérés
Programme de diplômés Alumni
Programme Alumni Pro

Nous avons une présence mondiale et sommes experts dans la fourniture d'une qualité exceptionnelle à notre base de clients, offrant des services de conseil dans les domaines du risque, de la réglementation et de la conformité ; Produits des fournisseurs ; Support d'application ; Développement d'application ; Cyber et sécurité de l'information ; Science des données et DevOps.

Notre programme Expert offre aux professionnels expérimentés l'accès à des rôles de premier plan dans la technologie, la finance, l'aviation et l'assurance. Rejoignez-nous pour travailler sur des projets technologiques révolutionnaires, des plateformes de trading internationales aux applications critiques pour les principales compagnies aériennes. Nous recrutons des professionnels désireux de faire progresser rapidement leur carrière dans la technologie ou les opérations au sein d'organisations mondiales prestigieuses.

Responsabilités :

Surveiller et gérer les environnements de production technologiques à l'aide d'alertes, de la résolution d'incidents, de la gestion des problèmes et de l'escalade des demandes utilisateurs.
Diagnostiquer et résoudre les incidents liés aux applications, aux logiciels, au matériel informatique et aux réseaux.
Traiter les tickets de production, les alertes système et les échecs de traitements automatisés (jobs).
Animer et coordonner les cellules de crise (incident calls) avec les équipes technologiques et d'infrastructure.
Collaborer avec les développeurs et les utilisateurs finaux afin de résoudre les incidents de production.
Fournir aux parties prenantes et aux responsables seniors des mises à jour en temps réel sur l'état des systèmes et les actions de rétablissement.
Identifier des opportunités d'amélioration des processus dans les flux de données et les développements applicatifs.
Travailler dans un modèle de support mondial « Follow the Sun » couvrant l'Asie, la région EMEA (Europe, Moyen-Orient et Afrique) et l'Amérique du Nord.
Participer à une rotation d'astreinte, pouvant inclure une couverture le week-end.
Ce poste requiert actuellement une présence sur site d'au moins trois jours par semaine

Compétences requises

Formation en informatique de niveau Licence (Bac+3) ou équivalent. Une expérience pratique significative pourra être considérée en remplacement du diplôme.
3 à 5 ans d'expérience en support de production ou dans un poste similaire.
Bonne maîtrise des environnements UNIX/Linux.
Connaissances en scripting et développement : Shell, Python, Perl ou JavaScript.
Expérience des bases de données relationnelles telles que DB2, SQL, Sybase ou PostgreSQL.
Connaissance des technologies Mainframe : COBOL, JCL, VSAM et DB2.
Expérience du débogage, de la maintenance et du développement d'applications de production COBOL/DB2.
Solide expérience en gestion d'incidents et en diagnostic d'applications.
Excellentes compétences en communication, en analyse et en résolution de problèmes.

Chez mtrois, nos valeurs soutiennent des coéquipiers courageux, des moteurs d'aiguilles et des champions de l'apprentissage tout en s'efforçant de soutenir la santé et le bien-être de tous les employés. Nous sommes très fiers de célébrer la diversité de chaque individu qui contribue à faire de mtrois l'entreprise qu'elle est aujourd'hui et sera à l'avenir. Nous valorisons la diversité tant au sein de mtrois qu'avec nos entreprises partenaires, et nous sommes fiers de fournir un environnement où tous nos collègues peuvent s'épanouir. Cela signifie promouvoir une forte culture d'égalité mais, surtout, d'inclusion.

Les candidats doivent être actuellement autorisés à travailler au Canada à temps plein. L'entreprise ne parrainera pas les candidats pour des visas de travail

**English Translation**

**Must be local to Montreal**

Want to work in technology at an investment bank?

About mthree:

Core Services
Consulting and Advisory
Managed Services
Alumni Graduate Program
Alumni Pro Program

Responsibilities:

Monitor and manage production technology through alerts, incident resolution, problem management and user escalations.
Troubleshoot issues across applications, software, hardware and networks.
Respond to production tickets, system alerts and job failures.
Lead incident calls with technology and infrastructure teams.
Collaborate with developers and end users to resolve production issues.
Provide real-time recovery/status updates to senior stakeholders.
Identify process improvements in code and data workflows.
Work within a global follow-the-sun support model across Asia, EMEA and North America.
Participate in an on-call rotation, including possible weekend coverage.
Current posting specifies at least 3 days per week onsite.

Skills Required:

Background in Computer Science equivalent to a B.Sc. Equivalent practical experience is a reasonable substitute.
3-5 years of production support or similar experience.
UNIX/Linux
Shell, Python, Perl or JavaScript
Relational databases such as DB2, SQL, Sybase or PostgreSQL
Mainframe technologies: COBOL, JCL, VSAM, DB2
Debugging and coding production COBOL/DB2 applications.
Incident management and application troubleshooting.
Strong communication and analytical/problem-solving skills.

Applicants must be currently authorized to work in Canada on a full-time basis. The Company will not sponsor applicants for work visas.

Apply About employer

More about this job

Responsibilities

Monitor and manage critical production mainframe applications while troubleshooting incidents and coordinating with infrastructure teams. Provide real-time status updates to stakeholders and identify opportunities for process improvements in data and application workflows.

Requirements

Requires a bachelor degree in computer science or equivalent practical experience with 3-5 years in production support. Candidates must possess strong knowledge of mainframe technologies, UNIX/Linux environments, and scripting languages.

Skills

Mainframe
COBOL
JCL
VSAM
DB2
UNIX
Linux
Shell
Python
Perl
JavaScript
SQL
Sybase
PostgreSQL
Incident management
Production support

Benefits

Health and well-being support
Professional development opportunities

Visa sponsorship

Not detected in the job text

Keywords

Mainframe
Production support
COBOL
JCL
VSAM
DB2
UNIX
Linux
Shell
Python
Perl
JavaScript
SQL
Sybase
PostgreSQL
Incident management
Troubleshooting
Investment banking
Follow-the-sun
Application support
Data workflows
System alerts
Infrastructure
Debugging
Maintenance

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