Mainframe Application Architect

Kyndryl

Senior Mainframe Application Developer at Kyndryl developing COBOL applications for public sector clients. Engaging in modernization efforts and maintaining critical Unemployment Insurance systems.

Posted 5/17/2026full-timeRemote • Texas • 🇺🇸 United StatesSeniorLead💰 $143,640 - $273,000 per yearWebsite

Tech Stack

Tools & technologies

SDLC

About the role

Key responsibilities & impact

Partner with client stakeholders to analyze business and architectural requirements and recommend scalable solutions
Assess and manage interdependencies across complex mainframe applications
Design, develop, and enhance applications on IBM z/OS platforms
Translate business requirements into technical specifications and COBOL-based solutions
Lead mainframe modernization efforts, including remediation and sunsetting of legacy applications
Develop, test, and deploy high-quality code, ensuring performance, reliability, and maintainability
Support production environments, including break/fix resolution and long-term remediation strategies
Provide technical troubleshooting and issue resolution across development and production systems
Contribute to documentation, knowledge sharing, and best practices across the team
Mentor junior developers and contribute to building a high-performing AMS delivery team
Participate in 24x7 on-call rotation and provide after-hours support as needed

Requirements

What you’ll need

12+ years of hands-on experience in COBOL development within IBM z/OS mainframe environments
Strong expertise in IMS DB and DB2 (critical skill requirement)
Advanced experience with CA7 scheduling
Deep knowledge of mainframe technologies, including: JCL, CICS, VSAM, MQ, TSO, FTP
Proven experience supporting production environments, including defect resolution and stabilization
Experience across the full SDLC (Development → System Test → UAT → Production)
Strong analytical skills with experience in application architecture and dependency analysis
Familiarity with Agile and/or Waterfall delivery methodologies
Bachelor’s degree in Computer Science, Information Technology, or equivalent experience

Benefits

Comp & perks

comprehensive benefits package which includes medical and dental coverage
disability
retirement benefits
paid leave
paid time off

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

COBOLIBM z/OSIMS DBDB2CA7 schedulingJCLCICSVSAMMQTSO

Soft Skills

analytical skillsmentoringcommunicationproblem-solvingcollaborationknowledge sharingleadershipteam buildingtechnical troubleshootingissue resolution