Cognizant
Mainframe Engineer
Job at a glance
- Workplace
- On-site
- Employment
- Full-time
- Sector
- Engineering & Technology
- Posted
- October 21, 2026
- First found
- October 21, 2026, 4:05 PM ET
Cognizant is hiring a Mainframe Engineer in Hartford, Connecticut, United States. Posted October 21, 2026.
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About the job
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.
