Senior Mainframe CoolGen Developer
Confirmed on the employer's own hiring board on Nov 11, 2026. First seen by Alion on Nov 10, 2026. Cognizant scores A on the Alion truth index.
About the role
We are looking for an experienced Senior Mainframe CoolGen Developer to design, develop, test, enhance, and support high-volume, reliable enterprise applications built on CA Gen/CoolGen and Mainframe technologies.
In this role, you will work with business-critical applications, contribute to technical design and modernization initiatives, resolve complex application and production issues, and collaborate with business, application, infrastructure, and cross-functional teams.
In this role, you will:
Design, develop, test, enhance, maintain, and support high-volume enterprise applications using CA Gen/CoolGen and Mainframe technologies.
Contribute to application design and technical standards for Mainframe and CA Gen solutions.
Assess legacy CA Gen applications for maintainability, scalability, performance, and modernization readiness.
Support technical design across database, interface, batch, online, and integration components.
Perform technical impact analysis, debugging, root-cause analysis, defect resolution, code reviews, and performance tuning.
Support batch processing activities, including job scheduling, dependency analysis, job-abend resolution, restart/recovery, and batch-cycle monitoring.
Contribute to modernization initiatives such as component rationalization, API enablement, re-platforming, and progressive replacement.
Support unit testing, system integration testing (SIT), user acceptance testing (UAT), release and deployment activities, and post-production validation.
Provide technical guidance to team members and support complex development and design decisions.
Work model
We strive to provide flexibility wherever possible. Based on this role's business requirements, this is a Remote position open to qualified applicants in the United States. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.
The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.
What you need to have to be considered
9+ years of relevant experience in designing, developing, testing, maintaining, and supporting enterprise Mainframe applications.
Strong hands-on experience in CA Gen/CoolGen application development, which is a must-have requirement for this role.
Strong technical proficiency in Mainframe technologies, including COBOL, JCL, DB2, CICS, TSO/ISPF, and VSAM.
Proven experience with application development, enhancements, maintenance, and production support of business-critical Mainframe applications.
Strong knowledge of DB2/SQL, including database queries, data analysis, troubleshooting, and performance optimization.
Experience with batch processing, including job scheduling, dependency analysis, abend resolution, restart/recovery, and batch-cycle monitoring.
Ability to perform technical impact analysis, debugging, root-cause analysis, defect resolution, and code reviews across CA Gen and Mainframe components.
Experience supporting unit testing, SIT, UAT, release/deployment activities, and post-production validation.
Strong analytical, troubleshooting, documentation, and communication skills, with the ability to collaborate effectively across business and technical teams.
Experience assessing legacy CA Gen applications for maintainability, scalability, and modernization readiness.
Exposure to modernization approaches such as component rationalization, API enablement, re-platforming, or progressive replacement.
These will help you stand out
Experience resolving complex performance and production issues across CA Gen and Mainframe applications.
Experience providing technical guidance on complex application development and design decisions.
We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.
Salary and Other Compensation
The annual salary for this position is between $105,000 to $120,000 depending on experience and other qualifications of the successful candidate.
This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.
Benefits
- Medical/Dental/Vision/Life Insurance
- Paid holidays plus Paid Time Off
- 401(k) plan and contributions
- Long-term/Short-term Disability
- Paid Parental Leave
- Employee Stock Purchase Plan