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Job Title Cobol Developer
About your role: You will join a technology team responsible for supporting enterprise mainframe applications that power Fiserv's core financial services platforms. In this role, you will apply deep technical expertise and strong problem-solving skills to ensure system reliability, performance, and compliance in a fast-paced, SLA-driven production environment.
What you'll do: - Modify, test, and support mainframe applications using COBOL, JCL (DB2), and CICS in an IBM z/OS environment.
- Review application designs and source code to assist with testing, debugging, and production readiness.
- Code and test high-priority and critical changes in support of business and operational requirements.
- Perform performance tuning and optimization of mainframe applications to maintain stability and efficiency.
- Troubleshoot and resolve production issues, including root cause analysis and defect correction.
- Collaborate with remote and cross-functional team members to deliver reliable application support.
- Provide regular project and task status updates to project managers and related stakeholders.
- Create and maintain technical and operational documentation to support ongoing application maintenance.
- Responsibilities listed are not intended to be all-inclusive and may be modified as necessary.
Experience you'll need to have: - 6+ years of software development experience.
- Hands-on experience in an IBM Mainframe (z/OS) environment.
- Proficiency with COBOL, JCL, and DB2.
- Experience deploying fixes in SLA-driven production environments.
- Strong analytical and communication skills.
- Experience in creating technical documentation.
- Bachelor's degree in computer science, Information Technology, or equivalent practical experience
Experience that would be great to have: - DB2 utilities, IDCAMS, SyncSort, File-Master, CICS.
- FTP / NDM file transmission.
- REXX, Endevor, Clarity, Jira.
- Microsoft Outlook, Word, Excel, SharePoint.
How you'll work: - On-call rotational support.
- Use of Computer and audio equipment required.
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Salary Range $97,500.00 - $164,400.00
These pay ranges apply to employees in New Jersey and New York. Pay ranges for employees in other states may differ.
It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.
This position is not eligible for an annual incentive opportunity and is also not eligible to earn commissions.
Thank you for considering employment with Fiserv. Please:
- Apply using your legal name
- Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).
Our commitment to Equal Opportunity: Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.
If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv's Disability Accommodation Policy for additional information.
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