Apply now

Posted yesterday

Mainframe Developer

@ J&M Group

Winnipeg, Manitoba

Contract
Apply now
SIGNALS

Requirements summary:

  • Technical Requirements
  • Strong experience with Enterprise COBOL and JCL.
  • Knowledge of CICS, VSAM, and SQL databases.
  • Experience with TSO/ISPF and mainframe debugging tools.
  • Experience And Qualifications
  • Degree in Computer Science or equivalent experience.
Source and dates

Source type not verified · apify-linkedin

Employer posting date
2026-11-12
First seen by our source
2026-11-14
Source record updated
2026-11-14

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

J&M Group

FieldValue
Open jobs on Jobsy88
Job description
We are seeking a Mainframe Developer to develop, maintain, and optimize business-critical enterprise applications while supporting ongoing system modernization initiatives.

Key Responsibilities

  • Develop and maintain applications using COBOL and JCL.
  • Analyze existing systems, application logic, and data flows.
  • Optimize database access and application performance.
  • Perform unit, integration, and regression testing.
  • Troubleshoot production issues and conduct root-cause analysis.
  • Support legacy application modernization initiatives.

Technical Requirements

  • Strong experience with Enterprise COBOL and JCL.
  • Knowledge of CICS, VSAM, and SQL databases.
  • Experience with TSO/ISPF and mainframe debugging tools.
  • Familiarity with mainframe version control systems.

Experience And Qualifications

  • Degree in Computer Science or equivalent experience.
  • Experience supporting high-volume transactional mainframe systems.
  • Strong analytical, documentation, and communication skills.

Similar jobs

  • Mainframe Developer

    Toronto, ON
    Contract

    Apptoza Inc.

    Candidates need strong hands-on experience in COBOL, CICS, DB2 and JCL, plus mainframe development and production support. They also need previous experience as a Mainframe Lead Developer.

    COBOL, CICS, DB2, JCL

  • Mainframe Developer

    Vancouver, BC
    Full Time

    Ancile Canada Inc

    5+ YOECandidates need at least 5 years of mainframe development experience and a degree or college program in a related field. Strong COBOL, JCL, CICS, DB2 and z/OS skills are essential.

    IBM z/OS, TSO/ISPF, File-AID, BMC AMI DevX Code Pipeline, BMC Control-M, JIRA

  • Senior Mainframe Developer

    Ottawa, ON
    Full Time

    Thermo Fisher Scientific

    8+ YOECandidates need a bachelor's degree and 8+ years of hands-on mainframe development experience, with strong skills in COBOL, CICS, JCL, VSAM, IDMS/DB2 and SORT utilities. Strong problem-solving, stakeholder communication and mentoring abilities are also required.

    COBOL, CICS, JCL, VSAM, IDMS, DB2

  • Mainframe Developer – COBOL, JCL, DB2, IMS & Mainframe Modernization

    Toronto, ON

    Astra North Infoteck Inc.

    Candidates need strong IBM mainframe skills in COBOL, JCL, SQL, DB2 and IMS, plus experience with Endevor, File-AID and CA-7. They must work independently, learn quickly and be comfortable with AI tools such as GitHub Copilot.

    IBM Mainframe, Endevor, File-AID, CA-7, INSYNC, Jira

    Senior Mainframe Developer (COBOL , JCL, DB2, IMS , Mainframe Integration)

    Toronto, ON

    Astra North Infoteck Inc.

    Candidates need strong IBM mainframe skills in COBOL, JCL, DB2 and IMS, plus the ability to work independently and solve problems. Experience with AI-assisted coding tools such as GitHub Copilot is expected.

    COBOL, JCL, DB2, IMS, Endevor, File-AID

    Mainframe Developer – DB2, COBOL, CICS, JCL & z/OS.

    Toronto, ON
    Contract

    Astra North Infoteck Inc.

    6+ YOECandidates need 6-8 years of mainframe application development experience, with DB2 as the core skill. The role also calls for strong troubleshooting and documentation habits and comfort with code reviews, testing and releases.

    DB2

  • Mainframe Developer - Public Sector - Must have Security Clearance

    Toronto, ON
    Contract

    Thinkpivot: Thinkpivot Talent Solutions provides executive recruiting for discerning clients with specializations in Sales, Marketing and Technology roles..

    Candidates need mainframe experience with COBOL, MQ Series and JCL, plus previous public sector contract experience and an Enhanced Reliability security clearance.

    Mainframe, COBOL, MQ Series, JCL, z/OS, CICS

  • Senior Mainframe Developer

    Ottawa, ON
    HybridFull Time

    Fisher Scientific Company

    8+ YOECandidates need a bachelor's degree and 8+ years of hands-on mainframe development experience, with strong skills in COBOL, CICS, JCL, VSAM, IDMS/DB2 and SORT utilities. They also need solid problem-solving, communication and mentoring abilities, and willingness to join on-call support.

    COBOL, CICS, JCL, VSAM, IDMS, DB2

Locations & environments

Locations

All of CanadaRemote · Hybrid · On-site · Field

Pro tip: add remote jobs to widen your search.

Exclude locations

Workplace type

Company jobs in these results

These are this company’s jobs loaded in your current search. The company may have more openings.