Critical Systems Analyst at CN

United States Digital Space LLC

📍 vaughan, on, Canada

Full-time Other-General Posted June 17, 2026

Job Description

Influence railway operations as a Critical Systems Analyst at CN, focused on legacy Mainframe applications in a collaborative environment. Your expertise will shape the transition to modern architectures.

This senior role is vital to CN's Core Modernization program, aimed at updating aging systems for operational excellence. You will utilize your deep legacy systems knowledge and experience in Java, C/C++, and COBOL to drive enhancements that ensure safety and compliance. Your input will guide strategic modernization projects while maintaining the functioning of existing applications.

Key Responsibilities: • Provide subject matter expertise in legacy Mainframe systems • Design and implement enhancements for regulatory compliance • Analyze incidents and support AMS teams • Conduct workshops to explain legacy system behaviors • Collaborate with Architecture teams on migration readiness

Requirements: • Strong experience in enterprise or legacy environments • Han...