Remote Mainframe Developer: Production Support

S.I. Systems Ltd.; United States; On-site; CAD 96,000 - 138,000; Full time

Benefits offered by this job

100% Remote

Job summary

S.I. Systems Ltd. in Canada is seeking an experienced Senior Mainframe Developer / Production Support Analyst to provide ongoing application support, troubleshooting, maintenance, and enhancements in a mainframe environment.

The ideal candidate has hands-on COBOL, DB2, JCL, VSAM, and IDMS skills plus strong production support experience, incident management, RFCs, and on-call readiness. This 1-year contract offers 100% remote work and collaboration with cross-functional teams.

Qualifications

• Proven experience in mainframe development, maintenance, and production support.
• Strong hands-on COBOL programming skills.
• Solid DB2 knowledge for queries and troubleshooting.
• Proficiency with JCL for batch job execution, monitoring, and troubleshooting.
• Experience working with VSAM files.
• Working knowledge of IDMS.
• Experience supporting business-critical applications in a production environment.
• Familiarity with ServiceNow for incident, problem, and change management.
• Experience working with RFCs and supporting project implementations.
• Strong troubleshooting, debugging, and problem-solving skills.
• Ability to collaborate effectively with cross-functional technical teams.
• Excellent verbal and written communication skills.
• Willingness and availability to participate in on-call support.

Responsibilities

• Provide day-to-day production support for mainframe applications, ensuring system availability, stability, and performance.
• Analyze, troubleshoot, and resolve application incidents and production issues in a timely manner.
• Develop, maintain, debug, and enhance mainframe applications using COBOL, DB2, JCL, VSAM, and IDMS.
• Investigate application failures, batch processing issues, database errors, and performance-related problems.
• Support Requests for Change (RFCs), including impact analysis, development, testing, implementation, and post-deployment validation.
• Participate in application enhancement initiatives and project-related development activities.
• Use ServiceNow to manage incidents, service requests, changes, and problem tickets.
• Coordinate with developers, infrastructure teams, database administrators, and other stakeholders to resolve technical issues.
• Perform root cause analysis and implement corrective and preventive solutions.
• Support batch job scheduling, monitoring, troubleshooting, and recovery activities.
• Maintain technical documentation, operational procedures, and support knowledge articles.
• Participate in on-call support rotations, including after-hours incident resolution when required.

Skills

COBOL

DB2

JCL

VSAM

IDMS

Production support

Incident management

On-call readiness

Troubleshooting

Communication skills

Tools

ServiceNow

Job description

S.I. Systems Ltd. in Canada is seeking an experienced Senior Mainframe Developer / Production Support Analyst to provide ongoing application support, troubleshooting, maintenance, and enhancements in a mainframe environment.

The ideal candidate has hands-on COBOL, DB2, JCL, VSAM, and IDMS skills plus strong production support experience, incident management, RFCs, and on-call readiness. This 1-year contract offers 100% remote work and collaboration with cross-functional teams.