Mainframe Software Developer

Canadian Pacific Railway; Calgary; On-site; CAD 85,000 - 120,000; Full time

Job summary

Canadian Pacific Kansas City is seeking a Mainframe Software Developer for a seven-month fixed-term contract to design, develop, test, and maintain robust software on mainframe systems. The role focuses on delivering reliable solutions within an SDLC framework and supporting mission-critical applications.

This is a fixed-term engagement with growth potential for extensions. The role requires a minimum of 3 years hands-on Mainframe experience, proficiency in Cobol-DB2/IMS and JCL, and strong unit

Qualifications

• Minimum 3 years of hands-on experience developing and supporting complex, integrated application systems for Mainframe systems
• Proficient with Cobol-DB2/IMS, JCL and strong unit testing skills
• Strong understanding of SDLC processes and best practices

Responsibilities

• Analyze, implement, maintain, and document system and application software
• Diagnose, isolate, and resolve complex software issues; provide expert troubleshooting and problem fixing
• Review, modify, and test existing programming systems, ensuring reliable and efficient operation in large-scale environments
• Lead needs analysis and requirement gathering for application development and implementation
• Ensure all delivered solutions align with business requirements and follow established SDLC methodologies
• Develop, code, and test new application programs and features; maintain thorough documentation of all development and revisions
• Share knowledge—coach developers on best practices and provide code reviews for quality assurance
• Participate in 24/7 on-call support rotation to provide rapid response and resolution for business-critical systems
• Monitor software health and performance, ensuring optimal application operation across the system lifecycle
• Contribute to post-implementation reviews to foster continuous improvement

Skills

Cobol-DB2/IMS

JCL

Unit testing

SDLC

Job description

Join CPKC, North America’s first transnational railroad connecting U.S., Canada, and Mexico, where your career drives progress and safety is paramount. We connect communities, fuel economic growth, and provide meaningful work in a culture that values diversity, accountability, and pride. With opportunities for training, development, and advancement, you’re not just building a career—you’re part of something bigger. Together, we move goods, connect people, and create lasting change. Your future starts here.

PURPOSE OF THE POSITION:

Drive business success by designing, developing, testing, implementing, and maintaining robust software solutions on Mainframe Computer Systems. Deliver projects within an SDLC framework, support mission-critical applications, and foster best practices across the development team.

This is a 7 month fixed term contract with possible extensions.

POSITION ACCOUNTABILITIES:

• Analyze, implement, maintain, and document system and application software
• Diagnose, isolate, and resolve complex software issues; provide expert troubleshooting and problem fixing
• Review, modify, and test existing programming systems, ensuring reliable and efficient operation in large-scale environments
• Lead needs analysis and requirement gathering for application development and implementation
• Ensure all delivered solutions align with business requirements and follow established SDLC methodologies
• Develop, code, and test new application programs and features; maintain thorough documentation of all development and revisions
• Share knowledge—coach developers on best practices and provide code reviews for quality assurance
• Participate in 24/7 on-call support rotation to provide rapid response and resolution for business-critical systems
• Monitor software health and performance, ensuring optimal application operation across the system lifecycle
• Contribute to post-implementation reviews to foster continuous improvement

POSITION REQUIREMENTS:

• Minimum 3 years of hands-on experience developing and supporting complex, integrated application systems for Mainframe systems
• Proficient with a variety of programming languages, including Cobol-DB2/IMS, JCL and strong unit testing skills
• Strong understanding of SDLC processes and best practices

PRE-EMPLOYMENT REQUIREMENTS:

• Criminal history check
• Education verification
• Professional references

BECOMING A RAILROADER:

As an employee with a North American presence, the possibility does exist that the location of your position may be changed based on organizational requirements.

Management Conductor Program

Becoming a qualified conductor or locomotive engineer is the single best way for a management employee to learn the business at CPKC. You may be required to obtain a certification or to maintain your current certification/qualification as a conductor or locomotive engineer.

CULTURE OF INCLUSION:

For our U.S. applicants, CPKC is an equal opportunity/affirmative action employer, inclusive of protected veterans and individuals with disabilities. For Canadian applicants CPKC is an employment equity employer committed to the principles of employment equity and inclusion. We encourage all qualified candidates to apply including: women, Black, Indigenous, People of Color (BIPOC), members of the LGBTQ+ community and people with disabilities. Accommodations for the job application process can be provided, as appropriate, upon request. All applicant information will be managed in accordance with the federal Personal Information Protection and Electronic Documents Act (PIPEDA).