Senior AS400 Developer with 3-5 years of exp in COBOL CL, SQL, ALDON, File Management

CGI

We are looking for an AS/400 Developer with 3–5 years of hands-on development experience on the IBM AS/400 platform. The candidate will be responsible for developing, enhancing, and maintaining AS/400 applications based on business requirements. The role involves coding, debugging, testing, defect resolution, and implementation activities while working closely with functional, QA, and development teams throughout the SDLC.

The candidate will work with COBOL/COBOL 400, CL/CLLE, SQL, DB2, AS/400 Physical Files (PF), Logical Files (LF), and File Management. The role also requires experience with ALDON for source code management and application deployment.

Your future duties and responsibilities

Develop, enhance, and maintain AS/400 applications based on business requirements.
Develop and debug programs using COBOL/COBOL 400 and CL/CLLE.
Write and optimize SQL queries and work with DB2.
Work with AS/400 Physical Files (PF), Logical Files (LF), and File Management.
Perform coding, unit testing, debugging, and defect resolution.
Use ALDON for source code management and application deployment.
Analyze technical requirements and prepare technical and design documentation.
Participate in code reviews and follow established development standards.
Collaborate with functional, QA, and development teams throughout the Software Development Life Cycle (SDLC).

Required Qualifications To Be Successful In This Role

Must-Have Skills

3–5 years of hands-on AS/400 / IBM i development experience.
Strong hands-on experience with COBOL/COBOL 400, CL/CLLE, and SQL.
Experience working with ALDON for source code management and application deployment.
Good knowledge of AS/400 File Management, Physical Files (PF), Logical Files (LF), and DB2.
Strong debugging, analytical, and problem-solving skills.

Good-to-Have Skills

Experience participating in code reviews and following development standards.
Experience preparing technical and design documentation.
Experience collaborating with functional, QA, and development teams throughout the SDLC.

CGI is an equal opportunity employer. In addition, CGI is committed to providing accommodation for people with disabilities in accordance with provincial legislation. Please let us know if you require reasonable accommodation due to a disability during any aspect of the recruitment process and we will work with you to address your needs.

Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

That same commitment to fairness extends to how we use technology. To support our recruitment team, AI tools may be used to help assess applications though they never replace human judgement. All hiring decisions remain entirely in the hands of our recruitment professionals.

Come join our team—one of the largest IT and business consulting services firms in the world.