Apply

Ready to go for it?

AI Apply speeds things up—apply directly if you prefer.

FREE ACCESS
5,000–10,000 jobs/day
Scoutfield Logo

See all jobs on Scoutfield

Search thousands of fresh jobs every day.

Discover
  • Fresh listings
  • Fast filters
  • No subscription required
Create a free account and start exploring right away.
Fiserv

Senior Application Analyst – Mainframe

Fiserv

. Modify, test, and support mainframe applications using COBOL, JCL (DB2), and CICS in an IBM z/OS environment .

Posted 10/26/2026full-timeUnited StatesSenior💰 $90,000 - $158,400 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive experience in modifying and supporting mainframe applications using COBOL, JCL, and DB2 within an IBM z/OS environment, alongside strong analytical and communication skills for effective collaboration and documentation.

Highest-signal resume keywords
COBOL ProgrammingJCL ScriptingDB2 Database ManagementIBM z/OS Environment ExperienceTechnical Documentation Creation

ATS Keywords

Tailor your resume
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
COBOLJCLDB2CICSPerformance TuningRoot Cause AnalysisREXXEndevorSyncSortFile-Master
Soft Skills
Analytical SkillsCommunication Skills
Tools & Technologies
IBM MainframeFTPNDMMicrosoft OutlookMicrosoft WordMicrosoft ExcelSharePointClarityJira
Industry Keywords
Production SupportSLA-driven EnvironmentsTechnical DocumentationOn-call Support

About the role

Key responsibilities & impact
  • 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 supporting business and operational requirements
  • Perform performance tuning and optimization of mainframe applications
  • Troubleshoot and resolve production issues, including root cause analysis and defect correction
  • Collaborate with remote and cross-functional team members
  • Provide regular project and task status updates to project managers and stakeholders
  • Create and maintain technical and operational documentation
  • Participate in on-call rotational support

Requirements

What you’ll need
  • 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 creating technical documentation
  • Bachelor’s degree in computer science, Information Technology, or equivalent practical experience
  • Experience with DB2 utilities, IDCAMS, SyncSort, File-Master, and CICS
  • Experience with FTP / NDM file transmission
  • Experience with REXX, Endevor, Clarity, and Jira
  • Experience with Microsoft Outlook, Word, Excel, and SharePoint
  • Must be a US citizen or US Permanent Resident
  • Ability to obtain and maintain an extended background check
  • Use of computer and audio equipment required

Benefits

Comp & perks
  • Annual incentive opportunity, potentially delivered as a mix of cash bonus and equity awards
  • On-call rotational support