Mainframe System Admin or Programmer (W2 only)

 Job Title:  Mainframe System Admin

Location:  Remote

Client Note: Do not look for Application side/Programmer

Job Description:

We are seeking a Senior MVS/CICS Systems Programmer and Administrator with 10+ years of experience to manage mission-critical IBM mainframe environments. Key responsibilities include z/OS systems administration, CICS transaction support, and batch operations management.

Job Responsibilities

• z/OS & Subsystem Management: Administer MVS/z/OS environments, JES2/JES3, WLM, and Parallel Sysplex/Coupling Facility; support CICS, DB2, IMS/IDMS, and MQ subsystems.
• Batch Operations & Scheduling: Oversee complex batch execution, abend resolution, job restarts, and SFTP/Connect:Direct file transfers using Control-M, CA-7, and Stonebranch UAC.
• Security & Integration: Manage RACF user/dataset access profiles, SSL/TLS certificates, and Unix/NAS system integration.
• Diagnostics & Tuning: Perform dump analysis (IPCS, SVC dumps) and performance tuning using OMEGAMON, MainView, and SMF/RMF metrics.
• Code Promotion: Support RTC and SCLM-based code promotion workflows and SMP/E maintenance.

Qualifications & Skills

• experience hands-on IBM mainframe and z/OS experience across financial, insurance, or utility workloads.
• Deep proficiency in JCL, REXX, COBOL, Assembler, and SAS.
• Strong knowledge of TCP/IP networking, storage (DASD, DFSMS), and debugging tools.

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Mainframe Programmer (ZOS – CICS Webservices)

Location: Remote

Long term contract

Rate: $55 per hour on W2

Job Summary

Looking for a z/OS Connect Developer with strong CICS webservices experience to develop and support REST APIs that integrate modern applications with mainframe systems. The ideal candidate should have experience with IBM z/OS Connect, REST APIs, OpenAPI, CICS, COBOL, and mainframe environments.

Required Skills

• Hands-on experience with IBM z/OS Connect Enterprise Edition and API development.
• Strong understanding of REST APIs, HTTP methods, JSON payloads, and OpenAPI/Swagger specifications.
• Experience integrating APIs with CICS, COBOL, Db2, and IMS applications.
• Ability to understand COBOL copybooks and mainframe data structures for JSON mapping.
• Knowledge of z/OS concepts including RACF/SAF security, regions, SMF, and WLM.
• Experience with API testing and troubleshooting.

Responsibilities

• Design, develop, and deploy REST APIs using z/OS Connect.
• Configure API mappings between mainframe applications and JSON services.
• Support CICS-based API integrations and troubleshoot issues.
• Collaborate with development and architecture teams on mainframe modernization initiatives.

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