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Atos

APPLICATION DEVELOPER

Toronto, ON, Canada

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Job details

Experience: Hands-on experience in Mainframe technologies with a minimum of 6+ years of relevant experience.
Posting language: English
Posted: Nov 9, 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.

Position: Application Developer Location: Ontario, Canada (Oniste)

Technical Skills & Experience:

Hands-on experience in Mainframe technologies with a minimum of 6+ years of relevant experience.
Strong expertise in COBOL, JCL, DB2, CICS, IMS DB, Control-M, and ServiceNow.

Roles & Responsibilities:

Monitor and support Mainframe production environments, ensuring high system reliability and uptime.

Analyze, troubleshoot, and resolve job failures, abends, and performance-related issues.

Execute and manage batch jobs, and resolve scheduling conflicts using tools such as CA-7 and Control-M.

Work on ServiceNow ticket handling and CNTLM-related activities.

Possess strong analytical and problem-solving skills with the ability to respond effectively to business/user queries.

Coordinate with cross-functional teams during production incidents and critical situations.

Flexible to work in shifts and extend support during critical production issues or escalations.

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.

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More about this job

Responsibilities

Monitor and support Mainframe production environments to ensure high system reliability and uptime. Manage batch jobs, resolve scheduling conflicts, and troubleshoot performance-related issues or system failures.

Requirements

Requires a minimum of 6+ years of hands-on experience in Mainframe technologies. Strong expertise in COBOL, JCL, DB2, CICS, IMS DB, Control-M, and ServiceNow is essential.

Skills

Mainframe
COBOL
JCL
DB2
CICS
IMS DB
Control-M
ServiceNow
CA-7
Troubleshooting
Analytical skills
Problem-solving
Production support
Batch job management

Visa sponsorship

Not detected in the job text

Keywords

Mainframe
COBOL
JCL
DB2
CICS
IMS DB
Control-M
ServiceNow
CA-7
Production Support
Batch Processing
Troubleshooting
IT Systems
Digital Transformation
Cybersecurity
Cloud
Data Transformation
System Reliability
Incident Management

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