Mainframe z/OS Connect API Lead - CICS, HA, DevOps

Capgemini; Columbus (OH); On-site; USD 54,000 - 85,000; Part time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Retirement benefits

Job summary

Tundra Technical Solutions is seeking an experienced Senior IBM Mainframe z/OS Connect Administrator/Developer for an on-site Columbus, OH contract role. You will design, implement, and support API enablement solutions on IBM Mainframe with a focus on z/OS Connect EE and CICS integration.

The position requires strong HA, security, and production-support capabilities, plus collaboration with cross-functional teams.

Qualifications

• 5+ years of experience with IBM z/OS Connect EE.
• Hands-on with IBM CICS Transaction Server, RACF, REST APIs/JSON, JWT/OAuth2, TLS/SSL.
• Experience with CICSPlex SM and Sysplex environments.
• Experience configuring multi-instance and multi-LPAR HA architectures.
• Experience exposing CICS transactions as REST APIs.
• Strong troubleshooting and production support skills.
• Experience with Liberty Server administration.

Responsibilities

• Install, configure, upgrade, and administer IBM z/OS Connect EE environments.
• Design and implement HA deployments across multiple LPARs and multiple z/OS Connect instances.
• Configure and support z/OS Connect integration with CICS regions, CICSPlex, and other mainframe assets.
• Design and implement HA and failover strategies for z/OS Connect and CICS environments.
• Develop, deploy, and manage REST APIs exposing CICS and other mainframe transactions.
• Configure and support RACF-based authentication and authorization.
• Implement JWT, TLS/SSL, and enterprise security controls for API access.
• Troubleshoot performance, connectivity, and production issues across z/OS Connect, CICS, RACF, and networking layers.
• Collaborate with Mainframe, Security, Infrastructure, and API Management teams.

Skills

z/OS Connect EE

CICS Transaction Server

RACF

REST APIs/JSON

JWT/OAuth2

TLS/SSL Security

DevOps/CI/CD

CICSPlex/Sysplex

HA multi-LPAR

Production support

Liberty Server

Tools

Liberty Server

Job description

Tundra Technical Solutions is seeking an experienced Senior IBM Mainframe z/OS Connect Administrator/Developer for an on-site Columbus, OH contract role. You will design, implement, and support API enablement solutions on IBM Mainframe with a focus on z/OS Connect EE and CICS integration.

The position requires strong HA, security, and production-support capabilities, plus collaboration with cross-functional teams.