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Senior Mainframe COBOL Developer

MSys Inc.

Remote · USContractSeen 1 day agoSeen in employer's feed 1 day ago

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At a glance

Compensation
No compensation found
Location
Remote · US
Schedule
Contract
Work Authorization
Not specified

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Job overview

The Senior Mainframe COBOL Developer designs, develops, enhances, and maintains enterprise mainframe applications using COBOL, CICS, DB2, and IBM MQ. The role supports transaction processing, batch and online components, and system integration, collaborating with business and technical teams to deliver maintainable solutions. Prior healthcare or health insurance domain experience, including exposure to claims-related systems or processes, is mandatory.

Skills & qualifications

RequiredNice to have

Skills

COBOLCICSDB2SQLIBM MQMainframe Application DevelopmentRequirements AnalysisTechnical Solution DesignCodingDebuggingUnit TestingProduction SupportTroubleshootingRoot Cause AnalysisMainframe IntegrationTransaction ProcessingPerformance and ReliabilityCode ReviewsSecure DevelopmentJCLVSAMBatch ProcessingMainframe Scheduling ToolsCI/CDDevOpsSource ControlEndevorChangeman

Qualifications

Healthcare or Health Insurance ExperienceClaims Systems or Processes Exposure

Full job description

Mode of Interview:- Webcam interview *** Long term project Linkedin MustRemote

Job Description:

Job Purpose:-

Design, develop, enhance, and maintain reliable enterprise mainframe applications using COBOL, CICS, DB2, and IBM MQ. Contribute to secure, high-quality transaction processing and system integration, working with business and technical teams to deliver maintainable solutions that meet operational and business requirements.

Primary Skills:-

  • Strong hands-on experience in COBOL application development and maintenance in an IBM mainframe environment.

  • Practical experience with CICS for online transaction processing and integration with mainframe applications.

  • Strong DB2 knowledge, including SQL, data access, query analysis, and troubleshooting.

  • Experience with IBM MQ for reliable messaging and integration between applications and systems.

  • Experience analyzing requirements, designing technical solutions, coding, debugging, unit testing, and supporting production applications.

  • Ability to troubleshoot complex mainframe issues across batch and online processing and identify root causes.

  • Understanding of mainframe application integration, transaction processing, performance, and reliability considerations.

  • Mandatory prior experience in the healthcare or health insurance domain, with exposure to claims-related systems or processes.

  • Ability to participate in code reviews and follow coding standards, secure development practices, and change-management processes.

Good to Have:-

  • Experience with JCL, VSAM, batch processing, and mainframe scheduling tools.

  • Exposure to healthcare / payer systems.

  • Experience in CI/CD or DevOps practices.

  • Familiarity with source control and mainframe development tools such as Endevor or Changeman.

Key Responsibilities:-

  • Develop, enhance, maintain, and support mainframe applications using COBOL, CICS, DB2, and IBM MQ.

  • Translate functional and technical requirements into reliable, maintainable program changes and technical solutions.

  • Develop and maintain online transaction processing and batch components, as required by the application.

  • Write and optimize DB2 SQL and troubleshoot data-related issues to support accurate and efficient processing.

  • Implement and support IBM MQ messaging flows and investigate integration or message-processing issues.

  • Perform unit testing, debugging, impact analysis, and defect resolution across mainframe components.

  • Analyze production incidents, identify root causes, and implement fixes while minimizing operational risk.

  • Collaborate with analysts, architects, QA, operations, and other developers on design, testing, releases, and issue resolution.

  • Participate in code reviews and ensure compliance with development standards, documentation, and change-control processes.

  • Support deployment and release activities, validate changes, and provide post-release support when required.

  • To adhere to ISMS Policies and Procedures.

How this job compares

Set against the 6,828 open Software Developer jobs on Olive Jobs, counted October 29, 2026.

Pay
  • This postingNot listed
  • US median$105–191K/yr4,941 salary ranges
  • US median$29–64/hr465 hourly ranges
Openings
Olive Jobs lists 6,828 open Software Developer jobs across the US. 5% of them nationwide are listed as remote or flexible.
Hiring the most across the US
Experience
Software Developer postings that state a minimum ask for 5 years of experience at the median; the middle half ask for 3 to 7 years (5,564 postings).
Education
3,021 of the 6,828 open Software Developer jobs (44%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on October 29, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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