Mainframe Developer

Cloudious LLC; Mississauga; On-site; CAD 100,000 - 140,000; Full time

Job summary

Cloudious LLC is seeking a skilled Mainframe Developer in Mississauga, ON (Canada) with strong IBM Mainframe experience. You will analyze requirements, design, develop, test, and maintain batch and online applications, and troubleshoot production issues in a fast-paced environment.

The role requires COBOL, JCL, DB2, VSAM, and CICS expertise, plus exposure to z/OS and TSO/ISPF. Collaboration with analysts and QA teams will be essential throughout the SDLC.

Qualifications

• Experience in Mainframe development, enhancement, and production support.
• Strong debugging, troubleshooting, and problem-solving skills.
• Knowledge of SDLC, Agile methodologies and release processes.
• Experience with IBM Mainframe environments z/OS, TSO/ISPF.

Responsibilities

• Analyze business requirements and perform impact analysis.
• Design, develop, test and maintain Mainframe applications.
• Develop and enhance programs using COBOL, CICS, DB2, VSAM, JCL.
• Create and maintain batch jobs, procedures and utilities.
• Troubleshoot and resolve production issues and defects.
• Participate in code reviews and ensure adherence to coding standards.
• Collaborate with business analysts, QA teams and stakeholders during SDLC.
• Support application deployments and postproduction activities.
• Prepare technical design and support documentation.

Skills

Mainframe

DB2

COBOL

JCL

CICS

VSAM

GenAI

Job description

Please share 4-5 profiles ASAP on Mainframe Developer role in Mississauga, ON.

We are seeking a skilled Mainframe Developer with strong experience in IBM Mainframe technologies The candidate will be responsible for analyzing business requirements developing and maintaining batch and online applications supporting production issues and delivering high quality solutions in a fast paced environment

Key Responsibilities

Analyze business requirements and perform impact analysis

Design develops test and maintain Mainframe applications

Develop and enhance programs using COBOL CICS DB2 VSAM and JCL

Create and maintain batch jobs procedures and utilities

Troubleshoot and resolve production issues and application defects

Participate in code reviews and ensure adherence to coding standards

Collaborate with business analysts QA teams and stakeholders during SDLC phases

Support application deployments and postproduction activities

Prepare technical design and support documentation

Required Skills

• COBOL
• JCL
• DB2
• VSAM
• CICS

Experience in application development enhancement and production support

Strong debugging troubleshooting and problem-solving skills

Knowledge of SDLC Agile methodologies and release processes.

Experience with IBM Mainframe environments zOS TSOISPF

Skills

Mandatory Skills: Mainframe, DB2, COBOL, JCL, CICS, VSAM

Nice to have: AI/GenAI

Job Title: Mainframe Developer AI/GenAI Exp.