Z/OS Mainframe Specialist — COBOL, CICS & DB2 Expert

Staffing Spot, Inc.; New York (NY); On-site; USD 100,000 - 150,000; Full time

Job summary

Staffing Spot, Inc. seeks an experienced Mainframe Technical Specialist to design, develop, maintain, and support enterprise mainframe applications and infrastructure. Strong expertise in COBOL, JCL, DB2, CICS, and z/OS is required, with excellent troubleshooting and production support capabilities.

The role covers IBM z/OS platforms, batch and online processing, requirements analysis, and collaboration on upgrades, migrations, and modernization initiatives.

Qualifications

• Experience with IBM z/OS mainframe environments.
• Hands-on COBOL, JCL, DB2, CICS, VSAM.
• Strong SQL and DB2 concepts.
• Experience with ISPF/PDF, TSO, SDSF and mainframe utilities.
• Experience with source-code management and deployment tools such as Endevor, Changeman, Git, or equivalent.
• Strong debugging and production incident-management skills.

Responsibilities

• Design, develop, enhance, and maintain mainframe applications on IBM z/OS platforms.
• Develop and support applications using COBOL, JCL, DB2, CICS, and related technologies.
• Analyze business and technical requirements and translate them into technical solutions.
• Perform application development, debugging, testing, and deployment.
• Troubleshoot production incidents and perform root-cause analysis.
• Monitor application performance and identify opportunities for optimization.
• Develop and maintain JCL procedures, batch jobs, utilities, and scheduling processes.
• Work with DB2 databases, including SQL development, performance tuning, and data analysis.
• Support CICS online transactions and troubleshoot transaction-related issues.
• Perform code reviews and ensure adherence to development and coding standards.
• Participate in application upgrades, migrations, modernization, and release activities.
• Prepare technical documentation, application specifications, and operational procedures.
• Collaborate with application developers, infrastructure teams, database administrators, business analysts, and production support teams.
• Participate in on-call and production support activities when required.

Skills

IBM z/OS

COBOL

JCL

DB2

CICS

VSAM

ISPF/PDF

TSO

SDSF

IDCAMS

SORT/ICETOOL

IEBGENER

IEBCOPY

Endevor

Changeman

Git

Incidence/Production Support

Tools

Jenkins

Job description

Staffing Spot, Inc. seeks an experienced Mainframe Technical Specialist to design, develop, maintain, and support enterprise mainframe applications and infrastructure. Strong expertise in COBOL, JCL, DB2, CICS, and z/OS is required, with excellent troubleshooting and production support capabilities.

The role covers IBM z/OS platforms, batch and online processing, requirements analysis, and collaboration on upgrades, migrations, and modernization initiatives.