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Mainframe Engineer

Cognizant

Hartford, CTJob$99–116K/yrSeen 5 days agoSeen in employer's feed 5 days ago

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At a glance

Compensation
$99–116K/yr
Location
Hartford, CT
Work Authorization
Not specified

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Job overview

Cognizant seeks a Mainframe Developer to design, develop, and maintain COBOL applications on IBM z/OS. The role supports batch and online programs, manages code promotion with Endevor, and builds CI/CD pipelines and automation for mainframe development. It also involves production troubleshooting, release governance, UAT support, and collaboration with onshore and offshore teams.

Skills & qualifications

RequiredNice to have

Skills

COBOL DevelopmentIBM Z/OSEndevorMainframe DevOpsCI/CD PipelinesJenkinsGitLab CIAzure DevOpsGitZowe CLI/APIsShell ScriptingPythonREXXJCLTSO/ISPFVSAMDB2 Embedded SQLIMS DBCICSAbend-AIDXpediterFile-AIDAutomated TestingTopaz for Total TestzUnitCode Quality ScanningSonarQubeCode PipelineJob SchedulingControl-MCA-7AutosysInfrastructure AutomationAnsibleContainerizationAgileServiceNow Change ProcessesInsuranceFinancial ServicesAnalytical Skills

Qualifications

5+ Years COBOL ExperienceBachelor's in Computer Science, IT or Equivalent Experience

Full job description

Cognizant is seeking a Mainframe Developer to design, develop, and maintain COBOL applications on IBM z/OS, using Endevor for change management and DevOps practices to automate build, test, and deployment.

Key responsibilities

  • Develop, enhance, and support batch and online COBOL programs.

  • Manage code promotion across environments (Dev, QA, Prod) using Endevor.

  • Build and maintain CI/CD pipelines for mainframe code (build, test, deploy)

  • Automate repetitive tasks such as compiles, deployments, and testing using scripting.

  • Integrate Endevor with Git and DevOps toolchains.

  • Build and maintain JCL, PROCs, and scheduling dependencies.

  • Troubleshoot production issues, including abends and performance problems.

  • Support UAT, prepare implementation plans, and follow release governance.

  • Collaborate with onshore/offshore teams and document technical designs

Required skills

  • 5+ years of COBOL development on IBM z/OS

  • Hands-on Endevor experience (elements, packages, processors, promotion, approvals)

  • DevOps experience on mainframe: CI/CD pipelines using Jenkins, GitLab CI, or Azure DevOps

  • Git version control and integration with Endevor (e.g., Endevor Bridge for Git)

  • Zowe CLI/APIs and scripting (Shell, Python, or REXX)

  • Strong JCL, TSO/ISPF, and VSAM skills

  • DB2 (embedded SQL) and/or IMS DB

  • CICS for online processing

  • Debugging tools such as Abend-AID, Xpediter, or File-AID

Preferred skills

  • Automated testing tools (Topaz for Total Test, zUnit)

  • Code quality and scanning tools (SonarQube, Code Pipeline)

  • Job scheduling (Control-M, CA-7, Autosys)

  • Infrastructure automation (Ansible) and containerization basics

  • Agile and ServiceNow-based change processes

  • Insurance or financial services domain knowledge

Qualifications

  • Bachelor’s degree in Computer Science, IT, or equivalent experience

  • Strong analytical, communication, and problem-solving skills

The salary range for this role is between $99,000 and $116,000 depending on skills and qualifications of the candidate, Applications will be accepted till 10/31/2026.

Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

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